KR20090011527A - Double Hopper Fertilizer Spreader - Google Patents

Abstract

The present invention relates to a double hopper fertilizer spreader, and more specifically, organic fertilizer is accommodated organic fertilizer and the first hopper is formed on the bottom side of each organic fertilizer outlet, and the organic fertilizer is selectively mounted on the lower end of the organic fertilizer outlet A spraying direction control member for adjusting the spraying direction of the spraying unit, a striking unit rotatably installed in the first hopper to strike and crush the organic fertilizer accommodated by the first hopper, and positioned in the lower direction of the striking unit; An organic fertilizer discharge portion formed of the first bidirectional screw rotatably installed in the first hopper in a transverse direction and conveying the organic fertilizer pulverized by the striking portion in both directions; A second hopper which is coupled to the first hopper sidewall of the organic fertilizer discharge part and accommodates the granular fertilizer and is formed on both sides of the bottom part, the second hopper located on the upper side of the spraying direction control member, and the horizontal direction in the second hopper; And a granular fertilizer discharging unit which is rotatably installed and includes a second bidirectional screw for transferring the granular fertilizer accommodated by the second hopper in both directions.

The present invention configured as described above can be sprayed by spraying the organic fertilizer and the granular fertilizer to the outside at the same time more easily, so that labor can be greatly reduced, and the organic fertilizer and the granular fertilizer are sprayed and sprayed. The organic fertilizer and the granular fertilizer can be more evenly and accurately sprayed on the soil, and there is no fear that the organic fertilizer and the granular fertilizer will flow straight to the outside during the process of being introduced into the first and second hoppers. In addition, there is no risk of excessive fertilization of the organic fertilizer and the granular fertilizer to the outside unnecessarily, and a shutter for selectively blocking the discharge of the organic fertilizer and the granular fertilizer on the organic fertilizer outlet and the granular fertilizer outlet. There is no effect that needs to be.

Description

Double Hopper Fertilizer Spreader {DOUBLE HOPPER FERTILIZER DISTRIBUTOR}

The present invention includes a first hopper to accommodate the organic fertilizer and the organic fertilizer discharge port is formed on each side of the bottom portion, and is selectively mounted on the lower end of the organic fertilizer discharge port, the spraying direction control member for adjusting the spraying direction of the organic fertilizer, and A percussion part rotatably installed in the first hopper to strike and grind the organic fertilizer accommodated by the first hopper; and a percussion part rotatably installed in the first hopper in a lower direction of the percussion part An organic fertilizer discharging unit comprising a first bidirectional screw which transfers the organic fertilizer pulverized by the hitting unit in both directions; A second hopper which is coupled to the first hopper sidewall of the organic fertilizer discharge part and accommodates the granular fertilizer and is formed on both sides of the bottom part, the second hopper located on the upper side of the spraying direction control member, and the horizontal direction in the second hopper; It relates to a double hopper fertilizer spreader, characterized in that it comprises a; granular fertilizer discharging portion rotatably installed in the second bidirectional screw for conveying the granular fertilizer accommodated by the second hopper in both directions, specifically Since the organic fertilizer and the granular fertilizer can be sprayed to the outside at the same time more easily, the labor force can be greatly reduced, and the organic fertilizer and the granular fertilizer are sprayed and sprayed, so that the organic fertilizer and the organic fertilizer The granular fertilizer can be spread more evenly and accurately, and There is no fear that the organic fertilizer and the granular fertilizer will not immediately flow to the outside during the process of being put into the first hopper and the second hopper, and there is no fear of excessive fertilization of the organic fertilizer and the granular fertilizer to the outside. In addition, it relates to a double hopper fertilizer spreader does not need to be provided with a shutter for selectively blocking the discharge of the organic fertilizer and the granular fertilizer on the organic fertilizer discharge port and the granular fertilizer discharge port.

In general, the fertilizer spreader that is selectively mounted and used in agricultural machinery such as tractors and the hopper is largely accommodated fertilizer and the fertilizer discharge port formed in the lower portion; A spraying fan installed at a lower portion of the fertilizer discharge port of the hopper so as to rotate at a high speed; It comprises a; drive device for rotating the spreading fan.

Here, the fertilizer discharged through the fertilizer discharge port is diffused and spread to the outside by the spreading fan rotating at a high speed.

On the other hand, the fertilizer spreader constituted as described above is to spread and spread only the granular fertilizer having a constant thickness of the grains and weak cohesion between each other.

That is, since the organic fertilizers can not be sprayed with a strong cohesive force between each other, there is a problem that the operator can not spray the particulate fertilizer and the organic fertilizer at the same time using the fertilizer spreader.

In addition, when the operator stops the fertilizer spraying operation, the inconvenience of having to shut off the fertilizer outlet by using a shutter provided on the fertilizer outlet in order to prevent the fertilizer contained in the hopper is unnecessarily discharged to the outside unnecessarily There is a problem.

The present invention was created in order to solve the above-mentioned problems, and because the organic fertilizer and granular fertilizer can be sprayed on the soil at the same time more easily and sprayed, the labor force can be greatly reduced as well as the organic fertilizer and the Since the organic fertilizer and the granular fertilizer can be more evenly and accurately sprayed on the soil because the granular fertilizer is sprayed and sprayed, the organic fertilizer and the granular fertilizer are directly supplied to the outside during the process of being introduced into the first hopper and the second hopper. The organic fertilizer and the granular fertilizer are not excessively fertilized to the outside, and the organic fertilizer outlet and the granular fertilizer discharge port selectively block the discharge of the organic fertilizer and the granular fertilizer. Providing a double hopper fertilizer spreader without the need for a shutter And that for that purpose.

The present invention for achieving the above object is the first hopper to accommodate the organic fertilizer and the organic fertilizer outlet is formed on each side of the bottom portion, and selectively mounted on the lower end of the organic fertilizer outlet to control the spraying direction of the organic fertilizer A spraying direction adjusting member, a striking portion rotatably installed in the first hopper and striking and crushing the organic fertilizer contained in the first hopper; An organic fertilizer discharge portion formed of a first bidirectional screw rotatably installed in the horizontal direction and conveying the organic fertilizer pulverized by the striking portion in both directions; A second hopper which is coupled to the first hopper sidewall of the organic fertilizer discharge part and accommodates the granular fertilizer and is formed on both sides of the bottom part, the second hopper located on the upper side of the spraying direction control member, and the horizontal direction in the second hopper; It is rotatably installed to provide a double hopper fertilizer spreader comprising a; granular fertilizer discharge portion consisting of a second two-way screw to transfer the granular fertilizer accommodated by the second hopper in both directions.

Here, both sides of the first hopper and the second hopper is provided with an inclined plate which is inclined downward in the inner direction of the first hopper and the second hopper, respectively, the inclined plate is the organic fertilizer discharge port and the granular fertilizer discharge port It is preferably located on the upper side and provided on both sides of the first hopper and the second hopper.

In addition, the organic fertilizer discharge unit and the granular fertilizer discharge unit is selectively installed on the upper portion of the rotary selectively installed in the agricultural machinery, the spreading direction control member so that the organic fertilizer and granular fertilizer can be sprayed in the forward direction of the rotary It is more preferable that the inclined downward in the forward direction of the rotary.

The present invention and the first hopper of the organic fertilizer discharge unit Due to the second hopper of the granular fertilizer discharge unit , the operator can easily spray the organic fertilizer and the granular fertilizer to the outside at the same time, and this can greatly reduce the labor for spraying the organic fertilizer and the granular fertilizer. In addition, since the organic fertilizer and the granular fertilizer are sprayed and sprayed, there is an effect that the organic fertilizer and the granular fertilizer can be more evenly and accurately sprayed on the soil.

And the first 1 Hopper  The first 2 Hopper  The inclined plates respectively provided at both sides of the organic fertilizer outlet and the granular fertilizer outlet are respectively located above the first hopper and the first agent. 2 Hopper  Since the organic fertilizer and the granular fertilizer are provided on both sides of the inside 1 Hopper  The first 2 Hopper  There is an effect that there is no fear of flowing straight to the outside during the input process.

In addition, when the operator stops the spraying operation 1 bidirectional screw  The second amount Screwdriver  Since the organic fertilizer and the granular fertilizer cannot be transported to the organic fertilizer outlet and the granular fertilizer outlet, respectively, when the worker stops spraying, the organic fertilizer and the granular fertilizer are unnecessarily spilled out. Overdose  There is no concern, and as a result, the organic fertilizer and the granular fertilizer are selectively discharged to the organic fertilizer outlet and the granular fertilizer outlet. Ugh There is an effect that does not need to be provided with a shutter to block.

In addition, the above Organic fertilizer discharge section  remind Granular fertilizer discharge part  When the organic fertilizer and the granular fertilizer are pulverized at the same time, when the organic fertilizer and the granular fertilizer are selectively installed at the upper part of the rotary machine selectively connected to the agricultural machine, the soil and the organic fertilizer and the granular fertilizer may be more easily mixed. It can be effective.

In addition, the organic fertilizer and the granular fertilizer can be sprayed in the forward direction of the rotary at the same time due to the spraying direction adjusting member inclined downward in the front direction of the rotary, so that the rotary and the organic fertilizer more easily The granular fertilizer can be finely ground the soil sprayed at the same time has the effect that the soil and the organic fertilizer and the granular fertilizer can be more efficiently mixed.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Of course, the scope of the present invention is not limited to the following examples, and various modifications can be made by those skilled in the art without departing from the technical gist of the present invention.

1 is a perspective view schematically showing a fertilizer spreader is an embodiment of the present invention, Figure 2 is a longitudinal sectional view schematically showing a state of the organic fertilizer discharge portion 10 according to the present invention, Figure 3 is a granular according to the present invention It is a longitudinal cross-sectional view which shows the state of the fertilizer discharge part 30 schematically.

First, the fertilizer spreader, which is an embodiment of the present invention, is largely configured to include an organic fertilizer discharge unit 10 and a granular fertilizer discharge unit 30 as shown in FIGS.

Here, the organic fertilizer discharge unit 10 is to spread the organic fertilizer to the outside, as shown in Figure 2, the first hopper 13, the spraying direction control member 15, the striking portion 17 and It consists of a first bidirectional screw 19.

More specifically, the first hopper 13 is for accommodating organic fertilizers, and organic fertilizer discharge ports 13a are formed at both sides of the bottom surface.

And, on the first hopper 13 and the drive member (13b) such as a hydraulic motor; A first pulley (13d) coupled to the drive shaft (13c) of the drive member (13b) and rotating by the rotational force of the drive shaft (13c); A second pulley 13e for receiving the rotational force of the first pulley 13d to rotate the first bidirectional screw 19; A first chain 13f wound around the outer periphery of the first pulley 13d and the second pulley 13e and transmitting the rotational force of the first pulley 13d to the second pulley 13e; A third pulley (13g) provided on the second pulley (13e) and rotating in the rotational direction of the second pulley (13e); A fourth pulley 13h for receiving the rotational force of the third pulley 13g to rotate the striking part 17; A second chain 13i wound around the outer circumference of the third pulley 13g and the fourth pulley 13h and transmitting a rotational force of the third pulley 13g to the fourth pulley 13h; A fifth pulley (13j in FIG. 2) positioned inside the fourth pulley 13h and rotating in the rotational direction of the fourth pulley 13h.

In addition, as shown in FIG. 2, the striking unit 17 and the first bidirectional screw 19 are rotatably installed in the first hopper 13 in the horizontal direction.

The shape and structure of the first hopper 13 is not limited to FIGS. 1 and 2, and may be formed in a shape and a structure capable of accommodating the organic fertilizer.

Next, the spraying direction control unit for adjusting the spraying direction of the organic fertilizer sprayed to the outside through the organic fertilizer discharge port 13a of the first hopper 13, the top of the organic fertilizer discharge port (13a) Is optionally coupled to the bottom of the

Here, although the upper end of the spraying direction control unit is not shown in the drawing, the organic fertilizer outlet 13a by a fixing member such as a fixing bolt which is fixed to penetrate the upper end of the spraying direction adjusting unit and the lower end of the organic fertilizer outlet 13a. May optionally be combined at the bottom of the

More specifically, the spraying direction control unit is formed integrally with the upper end is inclined downward to the lower end of the body (15a) is selectively coupled to the lower end of the organic fertilizer outlet (13a) and the upper side is open It consists of the inclination part 15b.

Here, the body (15a) is selectively coupled to the lower end of the organic fertilizer discharge port (13a) so that the inclined portion (15b) can be inclined downward in the front or rear direction of the first hopper (13).

The organic fertilizer discharged through the organic fertilizer discharge port (13a) is sprayed to the outside by moving along the inclined portion (15b).

The shape and structure of the spraying direction control unit is not limited to Figure 1, it is sufficient to be made of a shape and structure that can adjust the spraying direction of the organic fertilizer.

Next, the striking part 17 is for striking and pulverizing the organic fertilizer accommodated by the first hopper 13, as shown in Figure 2 rotates in the horizontal direction in the first hopper 13 It is possible to install.

Here, the striking part 17 is rotated by the fourth pulley 13h.

More specifically, the striking portion 17 includes a rotation shaft 17a that is rotated by the fourth pulley 13h; At least one formed on the rotary shaft (17a), by rotating in the rotational direction of the rotary shaft (17a) hitting the organic fertilizer (17b); comprises a.

Here, the rotating shaft 17a is preferably fixed to the bearing in the first hopper 13 to be rotated more smoothly.

In addition, the striking member 17b is pulverized by striking the organic fertilizer. In this case, although not shown in the drawing, a blade is formed on the striking member 17b so that the striking member 17b is more effective for the organic fertilizer. It is good to be crushed by hitting.

Due to the striking unit 17 configured as described above, the organic fertilizer having a strong cohesive force with each other can be more easily crushed.

The shape and structure of the hitting portion 17 is not limited to FIG.

Next, the first bidirectional screw 19 is to transfer the organic fertilizer crushed by the striking unit 17 in both directions so that the pulverized organic fertilizer can be discharged through the organic fertilizer outlet (13a). As shown in FIG. 2, the first hopper 13 is rotatably installed in the first hopper 13 in the lower direction of the striking part 17.

Here, the first bidirectional screw 19 is rotated by the second pulley 13e.

More specifically, the first bidirectional screw (19) and the screw shaft (19a) rotated by the second pulley (13e); It comprises a; screw blade (19b) formed to be inclined in both directions to the outer periphery of the screw shaft (19a).

Here, the screw shaft (19a) is preferably fixed to the bearing in the first hopper 13 to be rotated more smoothly.

On the other hand, when the screw shaft (19a) is rotated, the screw blade (19b) formed on the outer periphery of the screw shaft (19a) is rotated in the rotation direction of the screw shaft (19a).

The shape and structure of the first bidirectional screw 19 is not limited to FIG. 2, and the shape and structure of the first bidirectional screw 19 may be transferred to the organic fertilizer pulverized by the striking unit 17 in both directions.

Next, the granular fertilizer discharge unit 30 is for spreading the granular fertilizer to the outside, as shown in Figure 3 consists of a second hopper 33 and the second two-way screw 35.

More specifically, the second hopper 33 is for accommodating granular fertilizer, and is coupled to the sidewall of the first hopper 13 to accommodate the granular fertilizer as shown in FIG. 1.

Here, granular fertilizer discharge ports 33a are formed at both sides of the bottom surface of the second hopper 33, respectively, and the granular fertilizer discharge ports 33a are located above the inclined portion 15b of the spray direction control member 15. Will be located.

As such, when the granular fertilizer discharge port 33a is positioned above the inclined portion 15b, the granular fertilizer falls on the organic fertilizer that is moved along the inclined portion 15b and sprayed to the outside. Due to this, the organic fertilizer and the granular fertilizer may be simultaneously sprayed to the outside while being mixed.

And, on the second hopper 33 and the sixth pulley (33b) for receiving the rotational force of the fifth pulley (13j) to rotate the second bidirectional screw (35); The third chain 33c is wound around the outer periphery of the fifth pulley 13j and the sixth pulley 33b to transfer the rotational force of the fifth pulley 13j to the sixth pulley 33b.

In addition, the second hopper 33 is rotatably installed in the horizontal direction as shown in FIG. 3.

The shape and structure of the second hopper 33 is not limited to FIGS. 1 and 3, but may be a shape and a structure capable of accommodating the granular fertilizer.

Next, the second two-way screw 35 is to transfer the granular fertilizer accommodated by the second hopper 33 in both directions so that the granular fertilizer can be discharged through the granular fertilizer discharge port 33a. As shown in FIG. 3, the second hopper 33 is rotatably installed in the horizontal direction.

Here, the second bidirectional screw 35 is rotated by the sixth pulley 33b.

Since the second bidirectional screw 35 is configured in the same manner as the first bidirectional screw 19 described above, repeated description thereof will be omitted.

The shape and structure of the second bidirectional screw 35 is not limited to FIG. 3, but may be a shape and a structure capable of transferring the granular fertilizer 5 in both directions.

On the other hand, when the worker stops the spraying operation, the rotation of the first two-way screw 19 and the second two-way screw 35 is also stopped, wherein the organic fertilizer and the granular fertilizer are the organic fertilizer outlet 13a, respectively. And it can not be transferred to the granular fertilizer discharge port (33a).

That is, when the worker stops the spraying operation, the organic fertilizer and the granular fertilizer are unnecessarily discharged to the outside, so that there is no risk of excessive fertilization, and as a result, the organic fertilizer outlet 13a and the granular fertilizer outlet ( 33a) there is an advantage that it is not necessary to be provided with a shutter for selectively blocking the discharge of the organic fertilizer and the granular fertilizer.

On the other hand, both sides of the first hopper 13 and the second hopper 33 in the inner direction of the first hopper 13 and the second hopper 33 as shown in Figs. It is preferable that the inclined inclined plate 50 is provided, respectively.

More specifically, the inclined plate 50 is located above the organic fertilizer discharge port 13a and the granular fertilizer discharge port 33a, respectively, and the first bidirectional screw 19 and the second bidirectional shank screw 35, respectively. Located on the upper side of the) and provided on both sides of the first hopper 13 and the second hopper (33).

As such, when the inclined plate 50 is disposed above the organic fertilizer discharge port 13a and the granular fertilizer discharge port 33a, respectively, the inclined plate 50 is provided on both sides of the first hopper 13 and the second hopper 33. The organic fertilizer and the granular fertilizer are advantageous in that there is no fear that the organic fertilizer and the granular fertilizer flow down immediately to the outside during the process of being injected into the first hopper 13 and the second hopper 33.

In addition, the organic fertilizer discharge unit 10 and the granular fertilizer discharge unit 30 may be selectively installed on the frame 91 that is selectively mounted on agricultural machinery, such as a tractor, preferably selected for the agricultural machinery It is good to be selectively installed in the upper portion of the rotary 70 is crushed to finely ground the soil.

However, the rotary 70 may be selectively connected to the agricultural machine due to the upper link coupler (71 in Figure 4) and the lower link coupler (73 in Figure 4) formed in the front direction.

Here, the rotary 70 is the same as the conventional technology and at the same time can be easily implemented by those skilled in the art to which the present invention will be described in detail.

As such, when the organic fertilizer discharge unit 10 and the granular fertilizer discharge unit 30 are selectively installed on the upper part of the rotary 70 which is selectively connected to the agricultural machine, the organic fertilizer and the granular fertilizer are simultaneously sprayed. Since the soil can be finely crushed, there is an advantage that the soil and the organic fertilizer and the granular fertilizer can be more easily mixed.

4 is a side view schematically showing a state in which the fertilizer spreader is an embodiment of the present invention located behind the agricultural machine 1, Figure 5 is an organic fertilizer 3 and granular fertilizer (5) in the front direction of the rotary 70 ) Is a side view schematically showing a state in which spraying at the same time.

In addition, when the organic fertilizer discharge unit 10 and the granular fertilizer discharge unit 30 is selectively installed in the upper portion of the rotary 70, the organic fertilizer (3) and the in the front direction of the rotary 70 It is preferable that the inclined portion 15b of the spraying direction adjusting member 15 is inclined downward in the front direction of the rotary 70 so that the granular fertilizer 5 can be sprayed.

As described above, when the inclined portion 15b of the spraying direction adjusting member 15 is inclined downward in the forward direction of the rotary 70, the organic fertilizer 3 and the granular fertilizer 5 are shown in FIG. 5. At the same time can be sprayed in the forward direction of the rotary 70, the rotary 70 is more easily to finely crush the soil sprayed at the same time the organic fertilizer (3) and the granular fertilizer (5) This allows the soil and the organic fertilizer 3 and the granular fertilizer 5 to be more efficiently mixed.

Meanwhile, at the rear of the rotary 70, two weirs 99 are formed by using the surrounding soil of the organic fertilizer 3 and the granular fertilizer 5 simultaneously sprayed outward as shown in FIGS. 4 and 5. The torso forming unit 90 may be located.

Here, the ridge forming unit 90 is installed at the rear of the frame 91 that is selectively rotated to the rotary 70.

Here, the frame 91 may be selectively rotated in the vertical direction as needed by the hydraulic cylinder 75 provided in the upper portion of the rotary 70 as shown in FIG.

However, one end of the hydraulic cylinder 75 is axially coupled to the upper portion of the rotary 70, the other end is axially coupled to the connecting member (91a) installed on the frame (91).

More specifically, the ridge forming unit 90 and the crosspiece (93 of FIG. 1) installed in the frame 91; A support (95) installed on the crosspiece (93) so as to be adjustable in height; It is fixed to the bottom of the support (95) to simultaneously dig out the surrounding soil of the organic fertilizer (3) and the granular fertilizer (5) to form a furrow and at the same time to cover the soil dug to form a ridge It is composed of a ridge forming member (97).

As such, when the ridge forming unit 90 is located at the rear of the rotary 70, the organic fertilizer 3 and the granular fertilizer 5 are sprayed at the same time to form a ridge on finely ground soil. It becomes possible.

According to the present invention configured as described above, the first hopper 13 of the organic fertilizer discharging unit 10 and the second hopper 33 of the granular fertilizer discharging unit 30 are more easily operated by the organic fertilizer 3 and the organic fertilizer 3. Not only can spray the granular fertilizer (5) to the outside at the same time, it can be greatly reduced the labor required to spray the organic fertilizer (3) and granular fertilizer (5), and also the organic fertilizer (3) Since the granular fertilizer 5 is sprayed and sprayed, there is an advantage that the organic fertilizer 3 and the granular fertilizer 5 can be more evenly and accurately sprayed onto the soil.

1 is a perspective view schematically showing a fertilizer spreader which is an embodiment of the present invention,

Figure 2 is a longitudinal sectional view schematically showing a state of the organic fertilizer discharge unit according to the present invention,

Figure 3 is a longitudinal sectional view schematically showing a state of the granular fertilizer discharge portion according to the present invention,

Figure 4 is a side view schematically showing a state in which the fertilizer spreader is an embodiment of the present invention located behind the farm machinery,

5 is a side view schematically showing a state in which organic fertilizer and granular fertilizer are sprayed simultaneously in the forward direction of the rotary.

*** Explanation of symbols for main parts of drawing ***

One; Agricultural machinery, 3; Organic Fertilizer,

5; Granular fertilizer, 10; Organic fertilizer discharge unit,

13; First hopper, 13a; Organic fertilizer outlet,

13b; Drive member 13c; driving axle,

13d; First pulley, 13e; 2nd pulley,

13f; First chain, 13 g; Third Pulley,

13h; Fourth pulley, 13i; 2nd Chain,

13j; Fifth pulley, 15; Spraying direction control member,

15a; Body, 15b; Slope,

17; A striking portion 17a; Rotation axis,

17b; A striking member, 19; First bidirectional screw,

19a; Screw shaft, 19b; Screw Wings,

30; Granular fertilizer discharge, 33; Hopper 2,

33a; Granular fertilizer outlet, 33b; 6th Pulley,

33c; Third chain, 35; 2nd bidirectional screw,

50; Swash plate, 70; Roundabout,

71; Upper link coupler, 73; Lower link coupler,

75; Hydraulic cylinder, 90; Formation,

91; Frame, 91a; Connecting Member,

93; Crossbar, 95; support fixture,

97; Ridge forming member 99; fillet.

Claims (3)

A first hopper accommodating organic fertilizer and having organic fertilizer outlets respectively formed at both sides of the bottom portion, a spraying direction control member selectively mounted at a lower end of the organic fertilizer outlet, and controlling a spraying direction of the organic fertilizer, and the first hopper A striker rotatably installed in the transverse direction and striking and crushing the organic fertilizer accommodated by the first hopper; and a striker positioned in a lower direction of the striking unit and rotatably installed in the first hopper and traversed An organic fertilizer discharge portion comprising a first bidirectional screw for transferring the organic fertilizer pulverized by the two directions; A second hopper having a granular fertilizer discharge port coupled to the first hopper sidewall of the organic fertilizer discharge portion to receive granular fertilizer and formed on both sides of the bottom portion, and positioned at an upper side of the spraying direction control member; and a horizontal direction in the second hopper. Double hopper fertilizer spreader comprising: a granular fertilizer discharge portion is rotatably installed to be made of a second two-way screw to transfer the granular fertilizer accommodated by the second hopper in both directions. The method of claim 1, On both sides of the first hopper and the second hopper inside the inclined plate which is inclined downward in the inner direction of the first hopper and the second hopper, respectively The inclined plate is located above the organic fertilizer discharge port and the granular fertilizer discharge port, respectively, the double hopper fertilizer spreader, characterized in that provided on both sides of the first hopper and the second hopper. The method according to claim 1 or 2, The organic fertilizer discharging unit and the granular fertilizer discharging unit are selectively installed on the upper part of the rotary machine selectively connected to the agricultural machinery, Double hopper fertilizer spreader characterized in that the spreading direction adjusting member is inclined downward in the forward direction of the rotary so that the organic fertilizer and granular fertilizer can be sprayed in the forward direction of the rotary.

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