JPS6119432Y2 - - Google Patents

Description

[Detailed description of the invention] This invention is a grain drying device that dries grains by placing them in a grain tank (or drying tank) and exposing them to drying air. This invention relates to improvements to a grain extraction device for taking out grains.

The grain removal device installed in the grain dryer to take out the dried grains outside the machine is usually installed on the front side of the machine as described in Japanese Utility Model Application Publication No. 50-46668. Either provide a take-out gutter in the ejection tube of the elevator to be installed and use the take-out gutter from the front side of the fuselage, or as described in Japanese Utility Model Application Publication No. 54-13858, the ejector can be installed on the opposite side of the front side where the elevator is installed. A take-out gutter is provided on the rear side of the machine, and the receiving port of the take-out gutter is communicated with the terminal end of the upper conveyor mounted on the upper part of the machine by communicating the starting end with the ejection cylinder part of the elevator. , there is no one that allows grain to be taken out from the rear side of the fuselage, but which allows grain to be taken out from either the front or rear side of the fuselage. but,
It is inconvenient if grain removal is limited to either the front or rear of the machine body, and it is desired to be able to take out grain from either the front or rear sides.

The present invention was developed in response to this demand, and allows the grain to be taken out either from the front side of the machine body or from the rear side of the machine body by a simple switching operation when drying is completed. The purpose is to provide new means that will enable you to choose and do the same.

In the present invention, as a means to achieve this purpose, grain lifting machines each having a discharge port at the top are installed on both the front and rear sides of the machine, which has a grain tank installed inside the machine. Each lower part of the machine is connected to the front and rear ends of a screw conveyor for discharging grains, which is installed in the front and back direction at the bottom of the body cavity of the machine, and the conveyance direction of the screw conveyor for discharging grains can be switched between forward and reverse directions. The present invention proposes a grain removal device in a grain drying device characterized by the following.

Next, an example of implementation will be explained in detail according to the drawings. In FIGS. 1 and 2, 1 is a grain tank installed in the inner cavity of the box-shaped body a, and is The left and right inner walls 10, 10 made of a breathable material are connected to the left and right outer walls 12, 12 of the aircraft body a so as to connect the front and rear walls 11, 11 of the aircraft body a.
It is formed on the inside of the fuselage a, and the bottom part has a
A split-shaped outlet 13 is formed along the front-rear direction, and a drum shutter 14 whose axial direction is the front-rear direction is attached to the outlet 13 so as to control the amount of outflow. 2, the grains flowing out from the outlet 13 are regulated to a predetermined flow rate by the rotation of the drum shutter 14;
A screw conveyor for discharging to the outside of the machine a is installed below the drum shutter 14 along the longitudinal direction of the machine a, and has a conveying gutter 21 that accommodates the screw 20 of the conveyor.
Grain flow plates 22, 22 that slope downward toward the conveying gutter 21 are connected to the upper edge of the conveyor gutter 21 in a funnel shape when viewed from the front. Reference numeral 3 denotes a grain lifting machine that is installed upright on the front side of the machine body a for loading grain into the grain tank 1, and is a conventional grain lifting machine in which a bucket conveyor is housed in the grain lifting tower 30. , a release tube 31 installed at the top of the grain lifting tower
There is a discharge gutter 32 for taking out the grains outside the machine, and a screw conveyor 4 for loading the grains installed on the ceiling of the grain tank 1 so as to divide the grains evenly into the grain tank 1. The direction starting end 4a is communicated via a switching shutter, and the lower part of the grain lifting tower 30 is communicated with the front end 2a of the above-mentioned screw conveyor 2 for carrying out. Reference numeral 5 denotes a grain frying machine installed on the rear side of the machine body a in order to take out dried grains from the rear side of the machine body a. A conventional thrower with a cylinder 51 extending upward, and a grain chamber 50 thereof.
is the rear end 2 of the screw conveyor 2 for discharge.
It is connected to b.

By switching the rotation direction of the screw 20 between the forward and reverse directions, the screw conveyor 2 can switch the conveying direction between the forward direction (direction toward the front of the machine a) and the reverse direction (direction toward the rear of the machine a). By switching the conveying direction of the screw 20, the grains flowing out from the grain tank 1 can be fed into the grain lifting machine 3 installed on the front of the machine a, or can be fed into the grain lifting machine 3 installed on the rear of the machine a. Then, the state is changed to the state where the grains are sent to the grain frying machine 5.

The conveyance direction of the screw conveyor 2 for carrying out can be changed, for example, by connecting the rotating shaft of the screw 20 to the rotating shaft 52 of the hoisting blade of the grain lifting machine 5 via a one-way latch. Rotating shaft 52
When the screw 20 is driven and operated by a separately provided motor or the like, the screw 20 rotates together with the rotating shaft 52 of the grain lifting machine 5, and the grain is transferred backward by the rotation. Along with the
The input shaft of the screw 20 is provided on the front side of the machine body a as usual, and the input shaft is driven as usual, and when the rotational power is transmitted from the input shaft and driven, the lift Either the screw 20 is made to rotate in the opposite direction to when the rotational power is transmitted from the grain machine 5 side, or the rotating shaft of the screw 20 is separated from the grain lifting machine 3 and the grain lifting machine 5. Either the screw 20 is driven by a transmission mechanism and a reversing mechanism is provided in the transmission mechanism, or the rotation shaft of the screw 20 is driven by a motor whose rotation direction can be switched between forward and reverse directions, and the rotation direction of the motor is changed. This may be done as appropriate, such as by switching the direction of rotation of the screw 20 and switching the direction of conveyance.

In addition, 6 is a wind tunnel-like air guide path made of a breathable material 60 such as a mesh provided in the axial center of the inner cavity of the grain tank 1, and is a bridge between the front and rear machine walls 11, 11 of the machine body a. The front end side of the inner cavity communicates with the outside through a through hole 61 provided in the machine wall 11 on the front side, and also communicates with the outside through a through hole 61 provided on the outer surface side of the through hole 61. It communicates with the hot air outlet. Then, by operating an exhaust fan 8 installed on the outer surface of the machine wall on the rear side of the machine body A and communicating with the bottom of the internal cavity of the machine body A below the grain tank 1, the hot air generated in the furnace 7 is transferred to the The air is sucked into the air passage 6 and further passes across the inside of the grain tank 1 through numerous ventilation holes in the air-permeable material 60 forming the air guide path 6, and is then sucked into the left and right inner walls 1 of the grain tank 1.
0 and 10, and is sucked into the above-mentioned exhaust fan 8. Further, reference numeral 9 is a loading port for loading grain into the grain tank 1 and communicates with the screw conveyor 2 for discharge.

The embodiment device constructed as described above operates as follows.

When it is desired to take out the dried and raised grains to the front side of the machine body a due to the structure of the workplace where the machine is installed or the convenience of the work, the screw conveyor 2 for carrying out the grains is used to transport the grains. direction, aircraft a
The direction is changed to carry out the grains in front of the machine. Then, the grains carried out by the discharge screw conveyor 2 are sent to the grain lifting machine 3 installed on the front of the machine body a, and the grains are fried by the grain lifting machine 3.
As a result, the grains can be taken out from the front side of the machine body a. Further, when it is desired to take out the dried grains from the rear side of the machine a, the conveyance direction of the aforementioned screw conveyor 2 for carrying out is switched to the direction toward the rear face of the machine a. As a result, the grains flowing out from the outlet 13 of the grain tank 1 are sent to the grain lifting machine 5 provided on the rear side of the machine body a, and are discharged from the discharge port 53 of the grain lifting machine 5. So, aircraft a
The grains can now be taken out from the rear side.

As explained above, the grain removal device of the grain dryer according to the present invention has grain lifting machines each equipped with a discharge port at the top on both the front and rear sides of the machine body in which the grain tank is installed. , each lower part of the grain lifting machine is connected to the front and rear ends of a screw conveyor for discharging grains provided in the front and back direction at the bottom of the machine body cavity, respectively,
Since the conveyance direction of the screw conveyor for discharge can be freely switched between forward and reverse, by switching the conveyance direction of the screw conveyor for conveyance forward and reverse, the drying grains can be removed from the machine. Since it can be switched between the state where it can be performed on the front side and the state where it can be performed on the rear side of the machine, it is possible to select either the front side or the rear side of the machine with a simple switching operation. You will be able to take out items that suit your work.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional front view of a grain drying apparatus in which the present invention can be implemented, and FIG. 2 is a longitudinal sectional side view of the same. Explanation of drawing symbols, 1...grain tank, 10...inner wall,
11... Machine wall, 12... Outer wall, 13... Outlet,
a... Aircraft, 14... Drum shutter, 2...
Screw conveyor for discharge, 2a...front end of the same as above, 2b...rear end of same as above, 20...screw, 21...conveying gutter, 22...grain flow board, 3...grain frying machine, 30 ...Grain lifting tower, 4...Screw conveyor for tensioning, 4a...Starting end, 5...Grain lifting machine, 5
0...Grain lifting room, 51...Grain lifting cylinder, 52...Rotating shaft, 53...Exhaust port, 6...Air guide path, 60...Materials, 61...Through hole, 7...Furnace, 8 ...exhaust fan,
9... Shang-in port.

Claims (1)

[Scope of utility model registration request] Grain lifting machines each having a discharge port at the top are installed on both the front and rear sides of the aircraft, which has a grain tank installed inside the aircraft, and the lower portions of each of the grain lifting machines are installed in the longitudinal direction at the bottom of the internal cavity of the aircraft. Removal of grain in a grain drying device, characterized in that the front and rear ends of a screw conveyor for discharging grains are connected to each other, and the conveying direction of the screw conveyor for discharging the grains can be freely switched between forward and reverse. Device.