JPH046543Y2 - - Google Patents

Description

[Detailed explanation of the invention] (a) Industrial application field This invention relates to an automatic feeding device in fish farms, etc.

(B) Prior Art Conventionally, as shown in Fig. 5, as an automatic feeding method in a fish farm, etc., a rotary feeding cup is provided corresponding to the outlet of a hopper that accommodates the bait, and this is connected to the feeder. As shown in Figures a to b in Figure 5, a device is used that uses a motor to rotate 180 degrees to spray a fixed amount of bait.

(c) Problems that the inventor is trying to solve In this conventional feeding method, the rotary cup must be rotated 180 degrees accurately and the rotation must be periodically repeated to ensure that it stops for a predetermined period of time. Therefore, position control is required by detecting the position using a sensor, and time control is required to stop the rotating cup at an accurate position for the required time.

These precision control mechanisms generally require delicate work in both production and maintenance, which requires a lot of work, and they also have drawbacks such as short lifespans due to the large number of parts such as motors that are susceptible to seawater. .

The object of this invention is to provide a simple and easily controllable feeding device that eliminates the above-mentioned drawbacks by using a shutter type feeding system and adopting a driving system using a cam and a rotary solenoid.

(d) Means to solve the problem To explain this invention based on the drawings, the first
In Figure a, a feeding case 4 is fixed to a collar 3 of a discharge pipe 2 of a funnel-shaped hopper 1. The feeding case 4 is provided with a feeding path 4' extending vertically through the feeding case 4 in correspondence with the discharge pipe 2, and a metering shutter 5 for opening and closing this feeding path 4' is rotatably attached.

The upper shutter plate 5' of the metering shutter 5 is normally in an open position, but the lower shutter plate 5'' is biased by a spring 6 to a position that closes the feeding path 4'.

A cam 7 is provided on the outside of the upper part of the metering shutter 5, and is rotated by a predetermined angle by the operation of a rotary solenoid 8, so that the metering shutter 5 is operated to open and close the feeding path 4'.

A control device 9 for time-controlling the rotary solenoid 8 is connected to the rotary solenoid 8.

(E) Operation With the above structure, when the funnel-shaped hopper 1 is filled with feed, the shutter plate 5' on the upper part of the weighing shutter 5 normally connects to the feeding path 4' as shown in Fig. 2a. Since the feeding passage 4' is in the open position and the lower shutter plate 5'' is in the closing position, the feeding passage 4' remains filled with food.

Then, when the control device 9 is actuated to apply voltage to the rotary solenoid 8, the cam 7 moves against the spring 6 in the direction of the arrow as shown in FIG. 2b. That is, the upper shutter plate 5' of the metering shutter 5 closes the feeding path 4', and the lower shutter plate 5'' opens the feeding path 4', so that the feeding path 4' is partitioned by the metering shutter 5. The fed bait is scattered outside from the feeding port 4''.

When the voltage application to the rotary solenoid 8 is turned off, the cam 7 is rotated in the direction of the arrow by the spring 6 and becomes the state shown in Fig. 2c, and the bait falls to the upper surface of the lower shutter plate 5'' and is fed again. The inside of channel 4' is filled.

If you want to increase the amount of bait sprayed at one time, use the third
The thickness of the spacer 10 may be reduced as shown in FIG. 3A, or the spacer 10 may be removed as shown in FIG. 3B.

Further, the number of times of spraying per day can be freely adjusted by appropriately selecting the time setting in the control device 9.

(F) Embodiment FIGS. 4a and 4b show an example in which the feeding device according to this invention is attached to a floating body.
Equipped with a water speaker 13 and an underwater speaker 14,
This is an example of how the feeding time can be announced to a school of fish using both light and sound.

It goes without saying that this installation can also be installed on ships, oars, other assembled rafts, etc.

(g) Effects of the invention As explained above, this invention uses the metering shutter 5, which opens and closes by the rotation of the cam 7, to scatter a fixed amount of bait, and therefore does not require a conventional motor or drive mechanism. There is no need for a position control device, so the configuration is extremely simple, and the device can be made compact, lightweight, and robust with fewer failures, so it has the effect of having a longer lifespan than before, as well as productivity and maintainability. There are features that can make it better.

[Brief explanation of the drawing]

FIG. 1a is a front view of the feeding device, FIG. 1b is a side view of the feeding case, and FIGS. 2a, b, and c show the flow state of feed due to the operation of the feeding shutter 5 and cam 7. Figures 3a and 3b are cutaway diagrams of the main parts of the feeding device to explain the mechanism for adjusting the amount of bait spread, and Figure 4a is a cutaway diagram of the main parts of the feeding device, which shows an example in which the feeding device is attached to a floating body. FIG. 4(b) is a plan view thereof, and FIGS. 5(a) and 5(b) are main part sectional views showing a conventional feeding device. 1...funnel-shaped hopper, 2...discharge pipe, 3...
Tsuba, 4... Feeding case, 4'... Feeding path, 4''...
Feeding port, 5...Measuring shutter, 5'...Upper shutter plate, 5''...Lower shutter plate, 6...
Spring, 7...Cam, 8...Rotary solenoid, 9...Control device, 10...Spacer.

Claims (1)

[Scope of utility model registration request] A feeding device for fish farming mounted on a floating body includes a funnel-shaped hopper 1, a straight tube-shaped feeding path 4' connected to the hopper, a spacer 10 inserted into the feeding path to adjust the amount of food fed at one time, and a feeding path. A weighing shutter 5 whose central portion is pivotally supported has an upper shutter plate 5' which is retracted and inserted into a slit provided in the middle to open and close it, and a lower shutter plate 5'' which opens and closes the feeding port 4'' at the lower end of the feeding path. A spring 6 that biases the metering shutter in the direction in which the shutter plate opens and the lower shutter plate in the closing direction, a cam 7 that controls the opening and closing of the metering shutter, and a rotary solenoid that drives the metering shutter against the urging force of the spring 6 by the cam. 8 and its control device 9, by turning on and off the rotary solenoid 8, the cam 7 is driven by a predetermined angle to open and close the metering shutter 5, thereby scattering a predetermined amount of bait from the feeding port 4''. A feeding device characterized by: