JP3207568B2 - Feeding device with moisture-proof structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a moisture-proof feeding apparatus for automatically supplying an appropriate amount of food at an appropriate time in a fish farm or the like.

[0002]

2. Description of the Related Art Conventionally, as a device for automatically feeding food in a fish farm, a food storage container is placed on the water surface, and the food is fed by dropping a fixed amount of food at regular intervals. Is being done. In this feeding apparatus, it is necessary to prevent the food from absorbing moisture. For this reason, for example, an apparatus as shown in FIG. 4 has been proposed. This device comprises a container body 100 provided with a lining 110.
And a lid 200 for covering the upper side of the container body 100, and a bottom plate 30 having a feed outlet (through hole) 301 formed on one side.
0, an internal space is formed, a predetermined bait 101 is loaded into the internal space, and a desiccant 201 is installed on the back side of the lid 200. The container body 100 is supported by the lower body 700, and the blade 41 is provided on the upper surface on the bottom plate 300.
0 and a feed outlet (through hole) 40 on one side
The tray 400 on which the tray 1 is formed is installed.
00 is configured to be rotated by a motor 310 mounted on the lower surface of the bottom plate 300. A downwardly extending passage 500 is formed below the feed outlet 301, and a lower end of the passage 500 is connected to a feed discharge pipe 501 projecting laterally from the lower body 700.
A fan 600 for discharging the food in the passage 500 through the food discharge pipe 501 is provided at the lower end of 0.

Then, the motor 310 is driven at regular intervals to rotate the tray 400 and the blade 410,
The feed outlet 401 is matched with the feed outlet 301 to drop the food inside, and feed the food from the passage 500 to a predetermined place through the feed discharge pipe 501.

[0004]

In the above configuration, although consideration is given to moisture prevention of the bait, the bait is transferred to the container body 1.
Every time feeding is performed during the feeding, the lid 200 is widely opened to allow a large amount of air to be introduced, and it is difficult to completely seal the large lid 200, and it is also difficult to completely seal the portion of the feed outlet 401. And gradually feed 1 for a long time
It was inevitable that 01 would absorb moisture. In addition, in the above configuration, there is a problem that the food that is not always discharged from the food outlet 401 is left on the tray 400, and this becomes a lump due to moisture absorption and prevents normal discharge.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional drawbacks.
An object of the present invention is to provide a feeding device having a moisture-proof structure capable of reliably discharging a predetermined amount of food.

[0006]

SUMMARY OF THE INVENTION The present invention provides a container body tapering downward, an upper cover for closing an upper end of the container body, a lower cover for closing a lower end of the container body, and the upper and lower covers. A central shaft that penetrates with the seal structure, a vertical movement means for vertically moving the central axis, and a control means for controlling the vertical movement drive means, wherein the upper lid has a bait inlet having a lid that can be opened and closed. A groove for feeding is formed at the lower end of the central shaft, and a groove is formed so that the groove communicates with the inside and the outside of the container body and discharges the food to the outside of the container when the central axis is raised. It has been formed.

The vertical movement means comprises a rotation drive means for rotating the central axis forward and reverse, and a vertical movement conversion means for moving the central axis up and down with the rotation of the central axis. It is preferable that the drive shaft is connected to the drive shaft of the means via a connecting member so as to be vertically movable. Preferably, the control means is configured to drive the rotation driving means for a predetermined time at predetermined time intervals. Further, the container body is preferably formed in an inverted conical shape, and a ventilation groove is formed in the center axis, and the inside and the outside of the container body communicate with each other through the ventilation groove when the center axis is raised. It is preferable to configure as follows.

The up-down motion converting means may be constituted by a support member having a screw hole, and the support member may be attached to the upper lid and screwed by passing the center shaft through the screw hole. It is preferable that a stirring member is attached to the center shaft.

[0009]

In the above construction, the feed inlet and the through portion of the central shaft are completely sealed with a small portion, and the inside of the container body is completely sealed to prevent the feed from absorbing moisture. Also, because the container body is tapered downward,
The bait inside does not stay without being discharged, but is discharged sequentially. A rotation driving means for rotating the central axis forward and reverse;
If the center axis is moved up and down by the vertical movement converting means for moving the center axis up and down with the rotation of the center axis, it becomes easy to feed the bait while maintaining the seal structure.

The control means drives the rotary drive means at predetermined time intervals for a predetermined time so that feeding can be automatically performed, and the container body has an inverted conical shape. As a result, it is ensured that the bait is sequentially discharged so as not to remain in the container body. Further, if a ventilation groove is formed in the central shaft and the inside of the container body and the outside communicate with each other through the ventilation groove in a state where the central shaft is raised, the bait can be discharged more smoothly.

[0011] Further, when a supporting member having a screw hole is attached to the upper lid, and the center axis is penetrated and screwed into the screw hole to constitute the vertical movement converting means, the center axis can be moved up and down with a simple structure. Further, by attaching a stirring member to the center shaft, the discharge of the bait can be promoted.

[0012]

1 and 2, a feeding device comprises an inverted conical container body 1, a plate-like upper lid 2 for closing the upper end of the container body 1, and a lower lid for closing a lower end of the container body 1. Lid 1
3, a central shaft 6 that penetrates the upper lid 2 and the lower lid 13 with a seal structure, and a motor (rotation driving unit) 9 that rotates the central shaft 6. A flange 12 is integrally formed at the lower end of the container body 1, and an oil seal 14 is interposed between the flange 12 and the center shaft 6, and the lower lid 13 is fastened to the flange 12 with bolts 15. As a result, the oil seal 14 is pressed down to
Is sealed.

An upper body 8 is placed above the upper lid 2 and a support plate 81 is placed above the upper body 8. The support plate 81, the upper lid 2 and the upper flange 11 of the container body are connected to each other by an outer peripheral portion. The upper body 8 and the support plate 81 are fixed by tightening with the bolts 3, and a detachable cover 82 is mounted on the support plate 81. The upper support 22 and the lower support 21 are vertically arranged at the center of the upper lid 2.
Are arranged and fastened to each other by bolts 23. The center shaft 6 rotatably passes through the supports 22 and 21.

An oil seal 1 is provided below the lower support 21.
6 is provided to seal the penetrating portion of the central shaft 6,
A gap 26 is formed between the inner peripheral surface of the support 21 and the outer peripheral surface of the center shaft 6, and the gap 26 communicates with the upper main body 8 through a minute gap. A nut 24 is held in the support 22, and a threaded portion 63 is formed on the outer periphery of the central shaft 6 at a portion corresponding to the nut 24. Up-and-down moving means for moving the center shaft 6 up and down with the rotation of 6 is constituted. Note that an O-ring is used instead of the oil seals 14 and 16,
V-packing, a mechanical seal, or the like may be employed.

A guide pipe 5 penetrating vertically is attached to one side of the upper cover 2 and the support plate 81 to form a feeding port, and an upper end of the guide pipe is opened and closed by a rubber stopper. Is attached.

A flange 62 and a tip 66 are formed at the upper end of the center shaft 6, and the motor 9 is mounted on the support plate 81.
And a speed reducer 91, and a connecting member 93 is attached to a drive shaft 92 projecting downward from the driving member. It is linked to be.

A bait releasing groove 64 is provided at the lower end of the central shaft 6.
A ventilation groove 65 is formed in the middle part, and a stirring member 61 that protrudes radially in the container body 1 is provided in two upper and lower stages. A limit switch 7 is provided on the upper lid 2, and a contact 71 of the limit switch 7 is in contact with the flange 62 of the central shaft 6.

In the above configuration, the cover 82 and the lid 4
Then, a predetermined dry bait is inserted into the container body 1 through the guide pipe 5, and the lid 4 and the cover 82 are attached. In this state, the feeding port is completely sealed and the central shaft 6
Are sealed by oil seals 14 and 16 so that the inside of the container body 1 is completely sealed to prevent the food 10 from absorbing moisture.

When a control device (not shown) is operated, the motor 9 is driven after a predetermined time elapses, and the center shaft 6 is rotated via the drive shaft 92 and the connecting member 93. When the central shaft 6 rotates, the bait 10 inside is agitated by the agitating member 61 to facilitate the discharge of the bait, and the central shaft 6 screwed to the nut 24 held on the support 22 has a screw pitch. It rises in response to the state of FIG.

As a result, the food discharge groove 64 is connected to the container body 1.
The inside and the outside are communicated, and the bait 10 is released to the outside through the bait releasing groove 64. At the same time, the ventilation groove 65 communicates the inside of the container body 1 with the gap 26 inside the support body 21 to supply air into the container body 1 and facilitate the discharge of the bait 10 to the outside. When the central shaft 6 rises, the flange 62
Is separated from the contact 71 and the limit switch 7 is turned on. Then, when a predetermined time has elapsed, the motor 9 is driven in reverse to rotate the center shaft 6 in the opposite direction. As a result, the central shaft 6 screwed to the nut 24 is lowered while rotating, the state of FIG. 1 is stopped, the discharge of the bait is stopped, the inside of the container body 1 is closed again, and the flange 62 contacts the contact 71. The contact causes the limit switch 7 to be turned off. When a predetermined time has elapsed, the motor is again driven by the control device, and the above operation is repeated. In this way, the bait 10 in the container body 1 is sequentially discharged from the lower end,
Since the inside is tapered, all the baits 10 are sequentially discharged without stagnation.

The means for vertically moving the center shaft 6 may be such that a vertical force is applied directly without applying a rotational force to the center shaft 6, or the nut 24 may be spline-coupled. To prevent rotation, and the tip 66
It is also possible to connect the portion between the connecting member 93 and the connecting member 93 with a screw. Further, the container body is not limited to the above-mentioned inverted conical shape, but may be a tapered downward shape such as an elliptical cone or a pyramid.

[0022]

As described above, according to the present invention, the feed inlet and the through portion of the central shaft are completely sealed with small portions, and the inside of the container body is completely sealed, so that the feed absorbs moisture. Has been prevented. In addition, since the container body is tapered downward, the bait inside is not discharged and stays there, but is discharged sequentially. In addition, when the center axis is moved up and down by a rotation driving means for rotating the center axis forward and backward and a vertical movement conversion means for moving the center axis up and down with the rotation of the center axis, the seal structure is maintained. Feeding becomes easier.

The control means drives the rotary drive means at predetermined time intervals for a predetermined time so that feeding can be automatically performed, and the container body has an inverted conical shape. As a result, it is ensured that the bait is sequentially discharged so as not to remain in the container body. Further, if a ventilation groove is formed in the central shaft and the inside of the container body and the outside communicate with each other through the ventilation groove in a state where the central shaft is raised, the bait can be discharged more smoothly.

Further, when a supporting member having a screw hole is attached to the upper lid, and the center axis is penetrated and screwed into the screw hole, the vertical movement converting means is constituted, so that the center axis can be moved up and down with a simple structure. Further, by attaching a stirring member to the center shaft, the discharge of the bait can be promoted.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG. 3;

FIG. 3 is a diagram corresponding to FIG. 1 in a bait release state.

FIG. 4 is a longitudinal sectional view of a conventional device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Container main body 2 Upper lid 4 Lid 5 Guide pipe 6 Central axis 9 Motor 10 Bait 13 Lower lid 14, 16 Oil seal 24 Nut 64 Feeding groove 65 Ventilation groove 93 Connecting member

Claims (7)

(57) [Claims] 1. A container body tapering downward, an upper lid closing an upper end of the container main body, a lower lid closing a lower end of the container main body, and a central shaft penetrating the upper lid and the lower lid with a seal structure. A vertical movement means for vertically moving the central axis, and a control means for controlling the vertical movement means, wherein the upper lid is formed with a bait loading inlet having an openable / closable lid, and a lower end of the central axis. Is formed with a groove for discharging food, and the groove is formed so that the groove communicates with the inside of the container body and the outside and discharges the food to the outside of the container when the central axis is raised. Feeding device with moisture-proof structure. 2. The vertical movement means comprises: a rotation drive means for rotating the central axis forward and reverse; and a vertical movement conversion means for moving the central axis up and down with the rotation of the central axis. 2. A drive shaft of the rotary drive means is vertically movably connected via a connection member.
A feeding device having a moisture-proof structure as described above. 3. The feeding device according to claim 2, wherein the control means drives the rotary driving means at predetermined time intervals for a predetermined time. 4. The feeding device having a moisture-proof structure according to claim 1, wherein the container main body is formed in an inverted conical shape. 5. The container according to claim 1, wherein a ventilation groove is formed in the central shaft, and the inside of the container body and the outside communicate with each other through the ventilation groove when the central shaft is raised. A feed device having a moisture-proof structure according to any one of claims 1 to 4. 6. The vertical movement converting means is constituted by a support member having a screw hole, and the support member is attached to the upper cover, and is screwed into the screw hole by penetrating the center shaft. The feeding device having a moisture-proof structure according to claim 5, characterized in that: 7. The feeding device according to claim 6, wherein a stirring member is attached to the center shaft.