JPH0568204U - Suction seeder - Google Patents

Abstract

(57) [Summary] [Purpose] When the suction box 2 is turned from the seeding position to the suction position, the suction box 2 can be prevented from turning above the suction position.
In addition, the suction box 2 can be easily turned around. [Structure] A substrate 1 having a mounting surface 10 on which a tray T can be mounted, a suction chamber 21, and the suction chamber 21.
A suction box 2 having a plurality of suction seeding openings 22a opening at
A support member 3 that can move the suction box 2 up and down with respect to the base body 1 and that can turn the suction box 2 between a seeding position in which the suction seeding port 22a is directed downward and a suction position in which it is directed upward.
And a suction passage A that connects the suction device 5 and the suction chamber 21. On one side of the suction sowing surface 22 in the suction box 2, a seed tank 23 that opens toward the sowing surface 22 and has an upper opening at the seeding position is provided. A handle 6 that interferes with the support member 2 is provided on the opposing side surfaces.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a suction type seeding machine, and more particularly, to a suction type seeding machine that sucks seeds by suction into the suction seeding openings of a suction box having a plurality of suction seeding openings and moves the seeds to a seeding position above a tray for seeding.

[0002]

[Prior Art]

 Conventionally, this seed suction seeding machine is provided with a substrate having a mounting surface on which a tray can be placed, a suction box having a suction chamber and having a plurality of suction seeding openings that open to the suction chamber. A suction box is supported by a support member so as to be movable up and down and rotatably with respect to the base body, and a suction machine is provided, and the suction machine and the suction chamber are connected via a flexible suction hose. During the seeding operation, the suction box is moved upward with respect to the substrate to place the tray on the mounting surface of the substrate, while the suction box is suctioned with its suction seeding port facing upward. The seed is dropped into the suction sowing surface in such a state, and the seeds that are dropped onto the suction sowing surface are adsorbed to the suction sowing opening by the suction action of the suction machine, and after that, the suction sowing opening of the suction box is directed downward. At the seeding position Then, the suction box is moved to the seeding position above the tray, the suction chamber is opened to the atmosphere, and seeds adsorbed to the suction seeding mouth are seeded in each pot of the tray. There is.

[0003]

[Problems to be solved by the device]

 However, in the above-mentioned conventional suction seeding machine, since the suction box is supported by the support member so as to be rotatable by 360 degrees with respect to the base body, the suction seeding surface faces upward from the seeding position. When it is turned to the adsorption position that is directed to, there is a problem that the seeds dropped on the suction seeding surface, i.e., the seeds dropped on the suction seeding surface, that is, the suction box, may be turned over from the suction position and fall outside from the suction box. In addition, when turning from the seeding position to the suction position or reversing from the suction position to the seeding position, since the outer wall of the suction box is held, the turning operation is very difficult to perform. Was there. The purpose of the present invention is to prevent the suction box from turning above the suction position when the suction box is turned from the seeding position to the suction position. Moreover, the suction box can be easily turned. To provide a type seeder.

[0004]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention has a substrate 1 having a mounting surface 10 on which a tray T can be mounted, a suction chamber 21 and a suction chamber 22 having a plurality of suction seeding ports 22a. A support for supporting the box 2 and the suction box 2 so that the suction box 2 can be moved up and down with respect to the base 1, and that the suction seeding port 22a is directed downward and the suction position is directed upward. A member 3, a suction device 5, and a suction passage A that connects the suction device 5 and the suction chamber 21 are provided, and the seeding is performed on one side of the suction seeding surface 22 of the suction box 2. A seed tank 23 that opens toward the surface 22 and has an opening 23f as a higher position at the seeding position is provided, and the support member 2 interferes with the opposing side surface of the suction box 2 that faces the mounting side of the seed tank 23. Handle 6 It is those provided.

[0005]

[Action]

 With the above configuration, when performing the seeding operation, the suction box 2 is moved upward with respect to the base 1 to mount the tray T on the mounting surface 10 of the base 1, while the suction is moved upward. By gripping the handle 6 of the box 2 and turning the suction box 2 with respect to the base body 1, the suction box 2 can be easily turned to a suction position in which the suction seeding port 22a is directed upward, and the suction is performed. When the box 2 turns to the suction position, the handle 6 interferes with the support member 3 to prevent the suction box 2 from turning beyond the suction position, and the interference is used to maintain the suction box 2 at the suction position. be able to. Therefore, at this adsorption position, the seed can be easily adsorbed to the sowing port 22a without dropping the seed. That is, when the suction box 2 is turned to the suction position, the opening 22f of the seed tank 23 provided on one side of the suction sowing surface 22 in the suction box 2 becomes lower, and seeds in the seed tank 23 are Since the seeds can be adsorbed to the suction seeding port 22a by the suction action of the aspirator 5, the seeds can be maintained at the adsorption position by the grip 6, It is possible to prevent the seeds, which excessively flow down from the seed tank 23, from falling off due to the turning over the adsorption position of the adsorption box 2, and therefore, the seed adsorption work can be facilitated accordingly. Further, after the suction box 2 is sucked as described above, the suction box 2 is inverted so that the suction seeding port 22a faces downward, and in this case also, the grip 6 can be used to be inverted. ..

[0006]

【Example】

 1 to 4 show one embodiment of the suction type seeder of the present invention. The structure of the seeder will be schematically described. A substrate 1 having a mounting surface 10 on which a tray T can be mounted, A suction box 2 equipped with the suction chamber 21 and a suction seeding plate (suction seeding surface) 22 having a plurality of suction seeding openings 22a opening in the suction chamber 21, and the suction box 2 is moved up and down with respect to the substrate 1. A support member 3 which is capable of turning around the seeding position in which the suction seeding port 22a is directed downward and the suction position which is directed upward, a suction device 5, the suction device 5, and the suction device 5. A suction passage A communicating with the chamber 21 is provided.

As shown in FIG. 2, the base 1 is provided with a mounting surface 10 on which a tray T having a plurality of pot portions P for growing pot seedlings arranged vertically and horizontally can be mounted. A front receiver 11 is provided on the front side of the placing surface 10 for receiving the front end portion of the suction box 2, and the tray T is provided on the rear side of the placing surface 10 on the front side. Guide pins 12 and 12 for guiding to a predetermined position on the mounting surface 10 and rear receiving bodies 13 and 13 made of elastic rubber for receiving a seed tank 23 provided at a rear end portion of a suction box 2 to be described later, respectively. It is provided. Further, the base body 1 has a suction device 5 such as a blower inside the rear wall 1a, and both side walls 1b and 1b of the base body 1 have exhaust ports 14 and 14 for use when carrying the base body 1. It is provided with handles 15, 15. Further, in FIG. 2, reference numeral 16 is an operation switch for turning on / off the suction device 5. As shown in FIG. 2, the supporting member 3 includes a supporting portion main body 30 and a swinging portion 40 supported by the main body 30 so as to be vertically swingable. A substantially L-shaped hollow pipe 31 extending rearward from the rear wall 1a of the base body 1 and rising upward, and a pair of opposed support pieces 33, 33 connected to the upper end of the pipe 31 and extending toward the front side. And a base portion of the pipe 31 is attached to the rear wall 1a of the base body 1, and the pipe 31 has a suction port of the suction device 5 through a through hole formed in the rear wall 1a. It is connected to. Further, the elbow pipe 32 has one end communicating with the pipe 31 and the other end provided with a connection port portion 34 located between the base portions of the support pieces 33, 33 and extending toward the front side. At the tips of the supporting pieces 33, 33, there are provided supporting shafts 35, 35 for supporting the swinging portion 40 so as to be vertically swingable. On the other hand, the swinging portion 40 includes a first swinging body 41 having a U-shaped cross section, which is supported by the support shafts 35, 35 of the supporting pieces 33, 33 so as to be vertically swingable, and a tip end of the first swinging body 41. A fork-shaped second rocking body 42 that is detachably connected to the portion, and the second rocking body 42 has a planar U-shaped bifurcated portion 42a having a hollow inside and a width of the bifurcated portion 42a. It is integrally formed so as to form an air passage 40a formed by connecting a cylindrical shaft portion 42b extending rearward to a middle portion in the direction, and each free end portion of the forked portion 42a communicates with the air passage 40a. In addition, cylindrical shafts 43, 43 having a hollow portion 43a opening to the suction chamber 21 of the suction box 2 are provided in a protruding manner, and the suction box 2 is rotatable on these cylindrical shafts 43, 43. While supporting, the cylindrical shaft portion 42b is detachably fitted to the first swinging body 41. To, and communicatively connected to the rear end of the cylindrical shaft portion 42b and the connection port portion 34 of the elbow pipe 32 by a flexible hose 44 such as a bellows hose.

In this case, as shown in FIG. 2, a support cylinder 41a that rotatably supports the cylindrical shaft portion 42b is provided at the tip end portion of the first rocking body 41, and the cylindrical portion 42b is provided on the support cylinder 41a. While supporting the rotatably, a pair of left and right springs 45, 45 are interposed between each side wall portion of the first oscillating body 41 and the flange portion 42c projecting on the outer periphery of the cylindrical shaft portion 42b on the base side, By these springs 45, 45, both of the cylindrical shafts 43, 43 provided in the bifurcated portion 42a are normally urged so as to be parallel to the placing surface 10, and external objects hit the suction box 2 during work. In such a case, the second oscillating body 42 is rotated against the first oscillating body 41 against the springs 45, 45 for buffering, or the angle of the suction box 2 with respect to the mounting surface 10 is set. It is configured so that it can be changed slightly.

Thus, the hollow portion between the pipe 31 and the elbow pipe 32, the flexible hose 44, the air passage 40a between the cylindrical shaft portion 42b and the forked portion 42a, and the hollow portion 43a of the tubular shafts 43, 43. Thus, the suction passage A from the suction device 5 to the suction chamber 21 is formed.

As shown in FIGS. 2 and 3, the suction box 2 includes a box-shaped main body 20 opened to the bottom side and a suction seeding plate 22 detachably attached to the open side of the box-shaped main body 20. In addition, the suction chamber 21 is formed inside, and the suction seeding plate 22 is provided with a plurality of suction seeding ports 22a that open to the suction chamber 21. Further, the suction seeding plate 22 is recessed at the center side, and on the rear side thereof, a seed tank 23 extending substantially the entire length in the width direction of the box-shaped main body 20 is continuously provided via an inclined surface portion 22b. .. As shown in FIG. 2, the seed tank 23 includes a front wall 23a, side walls 23b and 23b, a rear wall 23c, a top wall 23d and a bottom wall 23e, and only the upper portion of the front wall 23a is sucked and seeded. It is configured to open toward the plate 22 side, and the opening 23f is arranged at a higher position at the seeding position shown in FIG. The suction box 2 is rotatably supported by the cylindrical shafts 43, 43 of the swinging part 40 on both side walls 20b, 20b and faces the mounting side of the seed tank 23 in the suction box 2. The front wall 20c is provided with a handle 6 which projects forward and interferes with the bifurcated portion 42a of the swinging part 40 when the suction box 2 is turned to regulate the turning range of the suction box 2.

The handle 6 is used to turn the suction box 2, and the suction box 2 is turned in the direction of the arrow shown by the phantom line in FIG. 2 to move the suction seeding plate 22 as shown in FIG. When the handle 6 is rotated to the upwardly directed suction position, the handle 6 interferes with the bifurcated portion 42a so as to prevent the suction box 2 from turning beyond the seeding position. Therefore, it is possible to maintain the suction box 2 in the suction position by utilizing the interference of the handle 6 with the forked portion 42a, and by maintaining the suction position, the seeds in the seed tank 23 are kept in the front wall. As shown in FIG. 2, the suction box 2 is made to flow down from the opening 23f of 23a to the upper surface of the suction seeding plate 22 through the inclined surface portion 22b, and the suction box 2 is turned from the suction position in the direction of the solid line arrow in FIG. When the suction sowing plate 22 is turned upside down so as to be positioned at the sowing position, seeds not sucked into the suction sowing port 22a are stored again in the seed tank 23 through the opening 23f through the inclined surface portion 22b. It is configured to be done.

Further, a pair of atmosphere opening holes 24, 24 are provided on the upper wall 20 a of the box-shaped main body 20 near the side walls 20 b, 20 b and near the inner opening of the cylindrical shafts 43, 43. The closing plates 25, 25, which are formed and have an operating portion 25a for closing the opening holes 24, 24, are swingably supported via hinges 26, 26, and the closing plates 25, 25 are supported by a spring 27, 27, the opening holes 24, 24 are always urged to be closed, and the opening holes 24, 24 are opened by the lifting operation of the closing plates 25, 25, the suction chamber 21 is opened to the atmosphere, and seeding by suction is performed. The seeds adsorbed on the suction seeding port 22a of the plate 22 are released and sowed.

In FIG. 1, 28 and 28 are a pair of grips provided near the outer side of the closing plates 25 and 25 in the upper wall 20a of the suction box 2 for vertically swinging the suction box 2, In addition, in the box-shaped main body 20, a reinforcing plate 29a having a U-shaped cross section, which is fixed to the upper wall 20a and abuts on the suction seeding plate 22 to reinforce the upper wall 20a and the suction seeding plate 22, and the reinforcing plate 29a. L-shaped reinforcing plates 29b and 29b, which extend in the direction orthogonal to the reinforcing plate 29a from the longitudinal middle portion of the plate 29a and are fixed to the inner surface of the upper wall, are provided, and suction is performed by these reinforcing plates 29a and 29b. At this time, the suction seeding plate 22 and the box-shaped main body 20 are prevented from being deformed, so that the seeds can be favorably adsorbed to the suction seeding port 22a of the suction seeding plate 22.

Reference numerals 46 and 46 denote springs interposed between the rear end portion of the first rocking body 41 and the pipe 31, which are balance spouts for lightening the vertical rocking of the suction box 2. It is a ring.

In the above embodiment, the rocking portion 40 is composed of the first rocking body 41 and the second rocking body 42, and the second rocking body 42 is rotatably connected. Of course, the first rocking body 41 and the second rocking body 42 may be integrally formed. Besides, the second rocking body 42 may be U-shaped to support the suction box 2 in a cantilevered manner, or may be, for example, L-shaped to support the suction box 2 in a cantilevered manner.

Further, as shown in FIG. 1, the tray T is accommodated and held in the accommodation box B such that the upper portion of the tray T projects from the accommodation box B.

Further, the suction sowing plate 22 can be replaced with a suction sowing plate 22 having an arbitrary suction sowing port 22a according to the type and size of seeds to be sowed, and the bottom portion of the box-shaped main body 20 can be replaced. The suction seeding plate 22 may be fitted to the bottom of the box-shaped main body 20 or may be detachably attached by a fixing tool such as a bolt. Further, as shown in FIG. 5, facing surface portions 20c and 22b are provided on the outer peripheral portion of the bottom of the box body 20 and the outer peripheral portion of the suction seeding plate 22, respectively, and the facing surface portions 20c and 22b are provided. Fasteners 7a and 7b made of, for example, removable hook members and loop members may be attached to the inner surfaces facing each other, and the fasteners 7a and 7b may be detachably attached. By using such fasteners 7a, 7b, the suction seeding plate 22 can be quickly and easily attached to and detached from the box-shaped main body 20, and at the time of manufacturing the suction seeding plate 22, the fitting is taken into consideration like a fitting structure. Since the manufacturing precision is not required, and the bolt insertion hole is not required to be processed as in the case of fixing with a bolt, the suction seeding plate 22 can be easily manufactured.

Next, the operation of the suction seeder constructed as above will be described.

First, when performing a sowing operation, the operation switch 16 is turned on to drive the suction device 5, and from the suction device 5, the pipe 31, the elbow pipe 32, the flexible hose 44, the cylindrical shaft portion. Each suction seeding port in the suction seeding plate 22 of the suction box 2 through the air passage 40 between the fork 42a and the forked portion 42a, the hollow portions 43a, 43a of the cylindrical shafts 43, 43, and the suction passage A leading to the suction chamber 21. 22a is given a suction action.

Next, the suction box 2 is swung upward with respect to the base body 1 via the swinging portion 40 as shown by the phantom line in FIG. 2, and under this state, the mounting of the base body 1 is performed. The tray T is placed at a predetermined position on the surface 10 via the guide pin 11.

Then, the suction box 2 is rotated in the upward swing position in the direction of the arrow shown by the phantom line in FIG. 2, and is rotated so that the suction seed plate 22 is located on the upper surface side as shown in FIG. Then, since the opening 23f of the seed tank 23 moves to the lower position, the seed in the seed tank 23 flows down from the opening 23f to the upper surface of the suction seeding plate 22 via the inclined surface portion 22b, and the suction seeding plate 22 By the suction operation at each suction sowing port 22a of 22, the seeds located near each suction sowing port 22a are respectively adsorbed at each suction sowing port 22a.

When performing such suction operation, since the grip 6 is provided on the front wall 20c of the suction box 2, the suction box 2 is turned by gripping the grip 6 and turning the suction box 2. 2 can be easily turned to the suction position, and further, when the suction box 2 is rotated to the suction position, the grip 6 crosses the upper surface of the bifurcated portion 42a of the swinging portion 40 and the suction box 2 The rotation of the suction box 2 above the suction position can be prevented, whereby the suction box 2 turns too much above the suction position, and the seeds flowing down to the suction seeding plate 22 are sucked from the suction seeding plate 22, that is, the suction box 2 to the outside. It can be surely prevented from falling. Further, after the suction is completed, the suction box 2 is turned in the direction of the solid line in FIG. 1 and inverted so that the suction seeding plate 22 is located at the seeding position which is directed downward. Also in this case, the suction box 2 can be turned from the standing position to the seeding position by using the handle 6, so that the suction box 2 can be easily inverted from the suction position to the seeding position. Further, by reversing the suction box 2, only the seeds sucked at the suction sowing port 22a remain on the suction sowing plate 22, and the seeds not sucked at the suction sowing port 22a are passed through the inclined surface portion 22b. The seed tank 23 is stored again through the opening 23f.

After that, in a state where the suction box 2 is swung downward and moved to a position directly above the tray T, first, the front end of the suction box 2 is moved to the front receiver 11. Then, the rear seed tank 23 of the suction box 2 is supported on the upper part of the rear receivers 13, 13. Then, the operation switch 16 of the suction device 5 is turned off to stop the suction by the suction device 5, and at the same time, the closing plates 25, 25 are lifted by the operating portions 25a, 25a to open the atmosphere opening hole 24, By opening 24 and opening the suction chamber 21 to the atmosphere, it is possible to sow the seeds adsorbed at the suction seeding openings 22a of the suction seeding plate 22 into the pots P of the tray T, respectively.

In the above embodiments, the support member 3 is formed of a hollow member, and the support member 3 is provided with the suction passage A that connects the suction device 5 and the suction chamber 21. However, it goes without saying that the support member 3 may not be formed of a hollow member, and the suction device 5 and the suction chamber 21 may be connected to each other through a suction hose.

[0025]

[Effect of the device]

 As described above, the present invention has a substrate 1 having a mounting surface 10 on which a tray T can be mounted, a suction chamber 21 and a suction box 2 having a plurality of suction seeding openings 22 a opened in the suction chamber 21. A support member 3 that can move the suction box 2 up and down with respect to the base body 1 and that can turn around the seeding position where the suction seeding port 22a is directed downward and the suction position where the suction seeding port 22a is directed upward. A suction seeding machine comprising a suction machine (5) and a suction passage (A) communicating the suction machine (5) with the suction chamber (21), wherein the seeding is provided on one side of the suction seeding surface (22) of the suction box (2). A seed tank 23 is provided which opens toward the surface 22 and has an opening 22f as a higher position in the sowing position, and the support member 2 is provided on the opposite side surface facing the mounting side of the seed tank 23 in the suction box 2. Providing an interfering handle 6 Therefore, when the suction box 2 is turned from the seeding position to the suction position or inverted from the suction position to the seeding position, the turning operation can be easily performed by the grip 6, and the suction When the box 2 is turned from the seeding position to the suction position to position the suction seeding port 22a at the suction position, when the suction box 2 is turned to the suction position, the grip 6 interferes with the support member 3 and the suction is performed. It is possible to prevent the rotation of the box 2 beyond the adsorption position, and use the interference to maintain the adsorption position of the adsorption box 2, and as a result, at this adsorption position, the adsorption of seeds to the sowing port 22a is adsorbed. Can be done easily and without seed loss. That is, when the suction box 2 is turned to the suction position, the opening 22f of the seed tank 23 provided on one side of the suction seeding surface 22 of the suction box 2 becomes lower, and the seed in the seed tank 23 becomes the seed. The seeds can be adsorbed to the suction seeding opening 22a by the suction action of the suction device 5 from the opening 22f to the suction seeding surface 22, and at this time, since the grip 6 can maintain the adsorption position, It is possible to prevent the seeds, which excessively flow from the seed tank 23, from falling off due to the turning over the adsorption position of the adsorption box 2, and accordingly, the operation of adsorbing the seeds can be facilitated accordingly. As a result, it is possible to prevent the suction box 2 from turning above the adsorption position and dropping the seeds flowing down to the suction sowing surface 22 from the sowing surface 22, that is, the suction box 2.

[Brief description of drawings]

FIG. 1 is an explanatory view showing a state in which seeds are adsorbed to a suction seeding port of a suction box in a suction seeding machine according to the present invention.

FIG. 2 is a vertical sectional side view showing a seeding state of the suction seeder.

FIG. 3 is a plan view showing a seeding state of the suction seeder.

FIG. 4 is a rear view showing a seeding state of the suction seeder.

FIG. 5 is an explanatory view showing another attachment means of the suction seeding plate 22 to the box-shaped main body.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Base 2 Suction box 3 Supporting member 5 Suction machine 6 Handle 10 Placement surface 21 Suction chamber 22 Suction seeding surface (suction seeding plate) 22a Suction seeding mouth 23 Seed tank 23 Opening A Suction passage T Tray

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Kensuke Omae 1-32, Chaya-cho, Kita-ku, Osaka-shi, Osaka Inside Yanmar Agricultural Machinery Co., Ltd. (72) Kiyotaka Yoshida 1 Chaya-cho, Kita-ku, Osaka-shi, Osaka No. 32 Yanmar Agricultural Machinery Co., Ltd. (72) Inventor Akira Takemura No. 1 Chaya-cho, Kita-ku, Osaka-shi, Osaka No. 32 Yanmar Agricultural Machinery Co., Ltd. (72) Nobuhiro Noguchi No. 1 Chaya-cho, Kita-ku, Osaka-shi, Osaka No. 32 Yanmar Agricultural Machinery Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. A suction box 2 having a base 1 having a mounting surface 10 on which a tray T can be mounted, a suction chamber 21 and a plurality of suction seeding ports 22a opening in the suction chamber 21.
And a support member 3 which is capable of moving the suction box 2 up and down with respect to the base body 1 and which is rotatably supported between a seeding position in which the suction seeding port 22a is directed downward and a suction position in which it is directed upward. A suction type seeding machine comprising a suction machine 5 and a suction passage A communicating the suction machine 5 and the suction chamber 21, wherein the seeding is performed on one side of the suction sowing surface 22 of the suction box 2. A seed tank 23 that opens toward the surface 22 and has an opening 23f as a higher position at the seeding position is provided, and the supporting member 2 interferes with the opposing side surface facing the mounting side of the seed tank 23 in the suction box 2. A suction type seeding machine, which is provided with a handle 6.