JPS5916352Y2 - Suction conveyor - Google Patents

Description

[Detailed description of the invention] The flexible suction pipe of the suction conveyor is a durable, hard and flexible pipe, so it requires considerable force to adjust its degree of curvature and operate it.

Therefore, in a conventional suction conveyor in which a suction port for conveyed objects is provided on the side wall of the machine body and a suction pipe is connected to the suction port toward the side, when the suction pipe is bent toward the front, rear, left, and right directions, the The length from the machine to the tip of the suction pipe changes depending on the direction of bending, and the operating distance from the machine also differs, and a large amount of force is required to bend the suction pipe in the opposite direction to the direction in which it is connected to the machine. Moreover, since the degree of curvature changes depending on the direction in which the suction pipe is bent, the suction efficiency fluctuates greatly and the suction action is not uniform.

Therefore, although the suction pipe was constantly adjusted during work, there were drawbacks such as the inability to achieve maximum efficiency.

Therefore, in order to eliminate the above-mentioned defects, the present invention provides an inlet above the supply chamber connected to one side of the ventilation mesh tube in the ventilation chamber that communicates with the inlet of the fan, and connects the proximal end of the suction pipe to the inlet. The suction pipe rotates 360° around the suction port.
It can be rotated freely, and the distance from the machine to the tip of the suction pipe is the same no matter which direction it is rotated, so there is no change in conveyance capacity, and the conveyance capacity can always be kept at the best condition, improving work efficiency. In addition to improving performance, anyone can operate it easily and work properly.

Furthermore, a screw blade is attached to the passage inside the ventilation mesh cylinder of the conveyor shaft, which is installed through the ventilation mesh cylinder, the supply chamber, and the discharge chamber connected to the other side of the ventilation mesh cylinder, so that the conveyor shaft passes through the ventilation mesh cylinder and the discharge chamber. Each indoor passage section is located within a fixed cylindrical cover to prevent fibrous materials such as straw from being wrapped around the conveyor shaft, wear of the conveyor shaft, and damage to conveyed items, allowing for smooth conveyance. This relates to a suction conveyor.

To explain the structure of one embodiment of the present invention shown in the drawings, 1 indicates an underframe of a suction conveyor for grains and 0 grade granular materials, a indicates a turbo fan installed on the underframe 1, and 2 indicates a In the body of the fan a, an intake port 3 is provided at the center of one side wall, and an exhaust pipe 4 is provided to protrude forward on the other side.

Reference numeral 5 denotes a fan shaft, and an impeller 6 is fixed to a part of the fan shaft that protrudes into the body 2.

Reference numeral 7 indicates a guide blade of the fan a, and reference numeral 8 indicates a transmission pulley attached to the protrusion on the other side of the fan shaft 5.

9 is a closed cylindrical ventilation chamber in the left and right direction installed horizontally in front of the fan a, and the ventilation tube 1 is connected to the intermediate opening in the rear wall and the intake port 3.
A ventilation mesh tube 11 is installed horizontally and concentrically in the ventilation chamber 9 and is connected to the ventilation chamber 9 through 0, and a supply chamber 12 is connected to one end of the ventilation mesh tube 11 to form a supply chamber 12 outside the center opening on the L side of the ventilation chamber 9. Equipped with the supply chamber 1
An inlet 13 is provided above 2, and a flange 1 is provided at the upper end of the inlet 13.
4, and a discharge chamber 15 connected to the other end of the ventilation mesh pipe 11 and curved downward outside the center opening on the other side of the ventilation chamber 9, and the lower opening of the discharge chamber 15 is connected to the other end of the ventilation pipe 11. Connected to the earth wall opening.

Reference numeral 16 denotes a conveyor shaft rotatably installed through the supply chamber 12, the ventilation mesh cylinder 11, and the discharge chamber 15. A screw blade 17 is attached to the passage of the conveyor shaft 16 through the ventilation mesh cylinder 11, and the conveyor shaft 16 The inner passage part is located within a cylindrical cover 18 fixed to one side wall of the supply chamber 12, and the inner passage part of the discharge chamber 15 is located within a cylindrical cover 19 fixed to the other side wall of the discharge chamber 15, and the conveyor shaft 16 and The protruding portion on the other side of the fan shaft 5 is connected by a belt transmission mechanism 20 .

Reference numeral 21 designates an opening/closing plate at the lower opening of the discharge chamber 15. A shaft rod 22 fixed to the rear end is pivoted to the exhaust pipe 4, and 23, which rests on the rear bending piece on one side of the shaft rod 22, can be adjusted by moving back and forth. Attach to.

24 is a guide plate provided on the upper surface inside the exhaust pipe 4 behind the opening/closing plate 21.

Reference numeral 25 denotes a flexible suction pipe, with caps 26 and 27 attached to both ends, and a flange 28 provided at the tip of the caps 27.

Reference numeral 29 denotes a freely openable and closable ring, one end of which has a U-shaped semicircular arc shape on both sides 30 is pivoted by a pin 31, and after the other end is fitted, a fixing pin 32 can be inserted into and removed from the pin hole. Insert and configure.

Thus, a flange 28 is superimposed on the flange 14, and a flexible ring 2 is attached to the flange 14, 28 so as to surround them.
After fitting the side pieces 30 of 9, the other ends of the side pieces 30 are fitted, and the stop pins 32 are inserted into the pin holes, so that the base end of the suction pipe 25 can be freely rotated and inserted into the suction port 13. Attaches removably.

33 is a flexible exhaust pipe connected to the exhaust pipe 4, 34 is a cover for the belt transmission mechanism 20, and 35 is a prime mover (not shown).

) to the transmission pulley 8, and 36 is a deposit such as grains.

Next, the suction conveyance of grains will be explained.

As shown in FIG. 1, when the machine is installed at approximately the center of the grain pile 36 and the prime mover starts operating, the belt 35 transmits power to the pulley 8, and the fan shaft 5 with the impeller 6 rotates. , a conveyor shaft 6 with screw blades 17 is driven from the fan shaft 5 via a transmission mechanism 20.

Therefore, the operator holds the mouthpiece 26 and bends the suction pipe 25 upward into a convex arc shape as shown in FIG.
The suction pipe 25 is sequentially rotated in the left and right directions around the center, and the mouthpiece 26 is freely moved and inserted into the deposit 36 while changing the degree of curvature using the flexibility of the suction pipe 25. Then, due to the suction effect caused by the rotation of the impeller 6, the grains are sucked into the suction pipe 25 together with the outside air and transported, enter the supply chamber 12 through the suction port 13, change direction, and move inside the supply chamber 12. The grains travel to the other side along the conveyor shaft 16 and reach the inside of the ventilation mesh cylinder 11, and the grains are transferred to the other side inside the ventilation mesh cylinder 11 by the screw blades 17 and fed into the discharge chamber 15, where they are fed into the opening/closing plate 21. The waste is received and deposited in the discharge chamber 15.

On the other hand, the suction wind of the grains passes through the mesh of the ventilation mesh pipe 11, passes through the ventilation chamber 9 and the ventilation pipe 10, is sucked into the body 2 from the intake port 3, and the wind is sent from the exhaust pipe 4 into the exhaust pipe 33. and is discharged from the tip of the discharge pipe 33 to the outside of the machine.

Once the discharge chamber 15 is filled with grains, the opening/closing plate 21 automatically opens the pivot rod against the weight of the weight 23 in response to the pressurization of the grains sequentially fed into the discharge chamber 15. 22 as a fulcrum, a gap is formed between the lower opening of the discharge chamber 15 and the opening/closing plate 21, and the grains in the discharge chamber 15 are sequentially pushed out into the exhaust pipe 4 without drawing air from the gap. A person falls into the exhaust pipe 3 from the exhaust pipe 4 due to the exhaust air passing through the exhaust pipe 4.
The grains are conveyed forward inside the grains 3 and discharged from the tip of the discharge pipe 33, and the above-mentioned action is performed continuously to carry out suction and conveyance work of the grains.

At that time, the suction pipe 25 may not reach the suction place due to suctioning grains from a far place or a nearby place, or the suction pipe 25 may not reach the suction place.
If it is difficult to operate, remove the stop pin 32, open the flexible ring 29, remove the suction pipe 25, and install the suction pipe of an appropriate length according to the distance from the machine to the place where the deposit 36 needs to be sucked. 25 is selected and operated in the same manner as described above to rotatably attach it to the suction port 13 using the flexible ring 29, the suction pipe 25 can be operated easily and comfortably at all times.

On the other hand, when the work is finished, the weight 23 is lifted and the opening/closing plate 21 is opened.
is wide open, so the remaining grains in the discharge chamber 15 are removed from the discharge chamber 1.
The person falls into the exhaust stack 4 from the lower opening of the exhaust pipe 5, is carried by the exhaust air passing through the exhaust pipe 4 and the exhaust pipe 33, and is sent out from the tip of the exhaust pipe 33 in the same manner as described above.

As described above, the present invention provides a suction port above the supply chamber connected to one side of the ventilation mesh cylinder installed horizontally in the ventilation chamber of the suction conveyor, and rotates the base end of the flexible suction pipe into the suction port. Because it was fitted freely, the suction pipe was 36mm centered around the suction port of the suction conveyor.
Freely rotates 0°.

Therefore, objects to be conveyed within a wide range can be suctioned and conveyed without moving the machine, and the hard and flexible suction tube is not strained, so damage to the suction tube can be prevented and its life can be increased.

Furthermore, no matter which direction the suction pipe is rotated through 360°, the distance from the machine to the tip of the suction pipe is the same, and the suction position and curved state of the suction pipe are the same, so it is possible to rotate the suction pipe in any direction. The conveyance capacity does not change even when rotated, the conveyance capacity is always constant, and the conveyance capacity can be kept in the best condition.
You can freely and easily operate the suction pipe and work easily and appropriately.
It is easy to handle, saves labor and time, improves work efficiency, and can be operated in the same way by anyone, such as an amateur or a woman, so it is useful in practice.

In addition, a screw blade is attached to the passage inside the ventilation mesh cylinder of the conveyor shaft, which is installed through the ventilation mesh cylinder, the supply chamber, and the discharge chamber connected to the other side of the ventilation mesh cylinder, so that the conveyor shaft passes through the ventilation mesh cylinder and the discharge chamber. Since the indoor passage parts are each located within a fixed cylindrical cover, it is possible to prevent fibrous materials such as straw from wrapping around the conveyor shaft, and the conveyor shaft is protected by the cover to prevent wear on the conveyor shaft. The conveyed material is sucked into the supply chamber from the upper suction port, enters the supply chamber, changes direction, travels along the conveyor axis to the other side within the supply chamber, reaches the inside of the ventilation network cylinder, and passes through the ventilation network. Since the inside of the cylinder is transferred to the other side by the screw blade, the conveyed object is smoothly introduced into the ventilation mesh cylinder and is transferred by the screw blade, and the transported object is damaged by being caught between the screw blade and the ventilation mesh cylinder. can be prevented.

On the other hand, the structure is extremely simple and can be manufactured easily and inexpensively.

In addition, if the suction pipe can be attached to the suction port in a rotatable and removable manner, the suction pipe can be set to an appropriate length depending on the distance from the machine to the transported object, and can be adjusted to suit the length of the suction pipe needed to suck the transported object around the machine. By selecting and replacing the suction pipe, you can easily operate the suction pipe and transport objects either far or near the machine by simply replacing the suction pipe without moving the machine. When transporting or storing the machine, the long suction pipes can be removed from the machine and each pipe can be handled separately, which has the practical advantage of being easy to handle and not requiring a large space.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing the usage state of a suction conveyance machine according to an embodiment of the present invention, and Fig. 2 is a plan view of the suction conveyance machine.
The part is shown cut away. Fig. 3 is a plan sectional view of the same as above, Fig. 4 is a sectional view taken along the line A-A in Fig. 3, Fig. 5 is a sectional view taken along the line B-B in Fig. 3, and Fig. 6 is an exploded slope view of the swivel ring. It is. a...Fan, 3...Intake port, 4...
...exhaust pipe, 9...ventilation chamber, 11...
... Ventilation mesh tube, 12 ... Supply chamber, 13 ...
...Intake port, 15...Discharge chamber, 16...
・Conveyor shaft, 17...Screw blade, 18
......Cylindrical cover, 25...Suction pipe.

Claims (2)

[Scope of utility model registration request] (1) A ventilation mesh tube is installed horizontally in a ventilation chamber communicating with the intake port of the fan, and a supply chamber and a exhaust pressure chamber are connected to each other on both sides of the ventilation mesh tube,
A conveyor shaft is installed through these ventilation mesh cylinders, supply chambers, and exhaust pressure chambers, and screw blades are attached to the ventilation mesh cylinder passage parts of the conveyor barbs to connect the supply chamber passage parts and the discharge chamber passage parts to the same cylinder. A suction port is provided above the introduction chamber, the base end of the suction pipe C is rotatably fitted into the suction port, and the lower port of the discharge chamber is connected to the exhaust of the upper IC fan. A suction bow conveyor connected to the peripheral wall opening of the cylinder. (2) The suction conveyor according to claim 1, wherein the base end of the suction pipe is rotatably and detachably fitted to the suction port above the supply chamber.