JPS58217187A - Power device for cereal grain drier - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a power device for a grain dryer that is equipped with a thrower for transferring grains inside the dryer body to the outside.

In a grain dryer equipped with the above-mentioned thrower, if this machine and the thrower are started at the same time, the grain will be supplied to the thrower before the thrower is in full-scale operation, resulting in accidents such as paddy clogging. There was a lot to do.

This invention was made for the purpose of preventing accidents such as the paddy clogging mentioned above, and between the thrower drive system of the power unit and the main machine drive system, the thrower drive system is set before the main machine drive system at the start of operation. The special feature is that a control means is provided to start and stop the thrower drive system later than the drive system of the main machine. The embodiments shown in the drawings will be described below.

FIG. 1 is a perspective view of the grain dryer, FIG. 2 is a front view thereof, and FIG. 3 is a schematic side view. This grain dryer 1 has a dryer body 2 and a thrower 3, each of which is driven by a separate motor 4.
, 51. A grain lifting machine (bucket conohair) 7 is installed on the side of the humidity control tank 6 of the dryer body 2, an upper spiral (screw conveyor) 8 is installed on the ceiling, and a lower spiral 9 is installed on the lower end. It is arranged. A drying chamber 10 partitioned by a drying net is provided above the lower spiral 9, and a burner 11 is disposed at one end of the drying chamber 10, and a suction fan 12 is disposed at the other end. There is. The fan 12 is rotated by rotational power transmitted from the motor 4 for driving the machine via a belt and a pulley. The rotational power of the motor 4 is similarly transmitted to the lower spiral 90 rotating shaft 9ai via a belt and a pulley, and is transmitted to the drive shaft 7a of the packet conveyor 7 from a pulley provided at the opposite end of the rotating shaft 9a. Ru.

The packet conveyor 7 housed in the case 7C circulates between the drive shaft 7a and the driven shaft 7b provided at the upper end, and rotates the driven shaft 7b, but this rotation is caused by the pulley 15.
．． 16 and the belt 1″I, the rotational axis of the upper spiral 8 is transmitted, and further transmitted to the rotary distributor 19 via the bevel gear system 18.

A hopper 21 with a dumper is attached to the lower part of the guide cylinder 20 that accommodates the upper spiral 8, and the hopper 21 passes one through a chute 22 to the input portion 23 of the thrower 3. The thrower 3 includes a rotary discharger 31 that uses centrifugal force,
A pipe 32 is provided for conducting the grains discharged by the rotary discharge machine 31 to an upper storage location. Rotating discharge machine 31
is rotated by the rotational power transmitted from the thrower drive motor 5 via the boots IJ 33 , 34 and the heald 35 .

FIG. 4 is a control circuit diagram of the power system, and shows the motor 4 (IM+
) and the motor 5 (1M2) of the thrower power system or the McNet contactor MCI and i'i4C2, respectively, and the MCI is configured to be started by the on-delay contact of the timer T+ (the contact that delays when ON).
In addition, MC2 is the off-delay contact (OFF
It is configured so that it is turned on by the delayed contact (when the contact point is delayed). A changeover switch S Wa is provided in the circuit, and in some cases, the above-mentioned timer T+.

Regardless of T2, it is also possible to switch so that both motors rotate simultaneously by turning on the input switch SW+. This situation can be illustrated as shown in FIG. 5. The motor is stopped by pressing the switch SW2.

When using this grain dryer 1, selector switch SW
If you turn ON g and press the input switch S W l, the thrower drive motor 5 (1M2) will first rotate, and then the main motor will start after the time set by the timer T1 (usually about 5 seconds is enough) has elapsed. The motor 4 (IM+) of the mobility system rotates. Thrower 3 is started first, and the power system of the machine is started only after full-scale operation is started, so that the grains inputted from the dryer body 2 through the chute 22 are sequentially delivered to a predetermined storage location, and inside the thrower 3. Accidents such as jams will not occur. Note that the hopper 2 is opened and closed by an operating rod 29.
When shutter 1 is closed, packet conveyor 7
The grains such as paddy lifted up by the upper spiral 8 and the rotary distributor 19i are dispersed and supplied into the humidity control tank 6, and gradually flow down inside the humidity control tank to the lower drying chamber 1.
The packets are exposed to hot air from a burner 11 inside the packet 0, and then circulated to the packet conveyor 7 by the lower spiral 9. Grain, which is a new dry raw material, is fed into the main body through the input port 28.

To stop the operation of the grain dryer, first press the stop button SW2.
), and then the thrower motor (
1M2) stops. Therefore, almost no grain remains in the thrower.

In addition, instead of using two motors as in the above embodiment, the driving force for the machine power system and the thrower power system is taken out from a common motor through a power intermittent means such as an electromagnetic clutch, By staggering the power intermittent means of the timer lever, the thrower and the machine power system can be started and operated separately.
It may be stopped.

As explained above, in the power plant according to the present invention, when the operation starts, the thrower starts before the main machine power system, and when the operation stops (the thrower stops later than the main machine power system). With this configuration, it is possible to prevent accidents such as paddy clogging in the thrower.

[Brief explanation of the drawing]

Figure 1 is a perspective view of the grain dryer, Figure 2 is its front view, Figure 3 is a schematic view from the side, Figure 4 is a control circuit diagram, and Figure 5 is a schematic diagram of the grain dryer.
The figure is a diagram showing the starting state of the motor. 1... Grain dryer, 2... Dryer main body, 3 Thrower,
4.5 Motor, 6 Humidity control tank, 7 Bucket conhair, 8 Upper spiral, 9 Lower spiral, IO drying chamber, 11 Burner, 12 Fan, 2 hopper, 22...Shoot. Patent applicant: Iseki Agricultural Machinery Co., Ltd. Agent: Hiroshi Sugawara, patent attorney

Claims (1)

[Claims] (1) In a power unit for a grain dryer that is equipped with a thrower that transfers the grain inside the dryer body to the outside, at the start of operation, the thrower power system for driving the thrower drives the conveying device, etc. inside the dryer body. A power unit for a grain dryer, characterized in that a control means is provided to start the thrower power system before the main machine power system, and to stop the thrower power system after the main machine power system when the operation is stopped.