KR101149067B1

KR101149067B1 - Rotary Feeder

Info

Publication number: KR101149067B1
Application number: KR1020100022023A
Authority: KR
Inventors: 고세훈
Original assignee: 고세훈
Priority date: 2010-03-12
Filing date: 2010-03-12
Publication date: 2012-05-24
Also published as: KR20110102968A

Abstract

The rotary feeder is started. The disclosed rotary feeder includes a rotational drive unit 10 for generating a rotational driving force; A casing 20 having a hopper portion 21 and an outlet portion 22 formed on the upper and lower sides of the cylindrical space 27, respectively; A fixed cylinder 30 mounted through the center of the casing 20 cylindrical space 27; Rotating blades 40 and 40 equipped with a plurality of blades 41 and 41 ′ which rotate in close contact with the inner wall surface 26 forming the cylindrical space of the casing 20 and the outer surface of the fixing cylinder 30 at the same time. '). Therefore, there is no welding part of the rotating shaft and the blade which is severely stuck phenomenon is not severely stuck phenomenon, it is effective to increase the reliability of supplying the conveying material and reduce the frequency of maintenance to increase the operation rate.

Description

Rotary Feeder

The present invention relates to a rotary feeder, and more particularly to a new type rotary feeder in which the blade is not welded to the rotating shaft.

Rotary feeder is a feeder used to continuously supply a certain amount of materials such as flour, cement, aggregate, grain, fertilizer, ascone, limestone, and coal (weakly referred to as "transfer material"). Is opened to receive the transfer material therein and to supply the transfer material to the bottom, the chamber coupled to communicate with the lower portion of the hopper, a cylindrical rotating shaft rotatably installed in the chamber and the rotating shaft It comprises a rotor having a plurality of blades protruding along the outer circumferential surface to constantly discharge the conveying material supplied from the hopper.

Since the rotary feeder having such a configuration can continuously supply a predetermined amount of the transport material, it is mainly used in a process in which the transport material is to be measured quantitatively or in a process in which a certain amount of the transport material is continuously injected.

The rotary feeder of this type has a rotary shaft and a blade welded to each other when the conveying material with high moisture content is transported according to the kind of conveying material, and thus the conveying material is easily fixed to the welding part, When conveying material is conveyed, this piece of iron or solid mass is sandwiched between the blade and the casing, making it difficult to discharge and must be manually removed.

This sticking phenomenon lowers the reliability of continuously supplying a certain amount of conveying material, which is a function of the rotary feeder, so it must be removed by washing, and frequently maintained such as stopping to remove the conveying material caught between the blade and the casing. There is a problem that the utilization rate is lowered because of the maintenance.

The object of the present invention for solving the problems of the prior art, there is no welding of the rotating shaft and the blade that occurs badly sticking phenomenon (Build up) is not severe, improve the reliability of the supply of the transport material and maintenance of It is to reduce the frequency and provide a new rotary feeder with high utilization rate.

Rotary feeder according to the present invention for achieving the object of the present invention, the rotary drive unit for generating a rotational driving force; A casing having a hopper portion and an outlet portion respectively formed on the upper and lower sides of the cylindrical space; A fixed passage mounted through a center of the casing cylindrical space; And a rotating blade mounted with a plurality of blades that are in close contact with the outer surface of the casing and the outer surface of the fixing cylinder and rotate at the same time forming the cylindrical space of the casing.

Here, the rotating blade includes a blade fixed between two donut-shaped rotating blade side plates, characterized in that the blade is detachably mounted to the blade tip of the resilient material.

In addition, the blade is preferably fixed to form an inclined surface between the two rotating blade side plates.

In addition, the fixing cylinder is characterized in that a plurality of openings are formed.

In addition, the hopper portion is characterized in that the inclined plate is mounted inclined gently in the opposite direction of rotation of the rotating blade.

The casing may include a plurality of monitoring windows, and the monitoring window may be formed of a transparent material to observe the inside of the casing.

As described above, the present invention has no welding part of the rotating shaft and the blade which is severely stuck phenomenon, there is no sticking phenomenon, and the reliability of supplying the conveying material is increased and the frequency of maintenance is reduced to increase the operation rate.

1 is a partial front cross-sectional view showing a rotary feeder according to an embodiment of the present invention;
2 is a partial side cross-sectional view showing a rotary feeder according to an embodiment of the present invention;
Figure 3 is a perspective view showing a rotary blade applied to the rotary feeder according to an embodiment of the present invention,
Figure 4 is a cross-sectional view showing a rotary blade of the rotary feeder according to an embodiment of the present invention,
5 is a perspective view showing an inclined rotating blade applied to a rotary feeder according to an embodiment of the present invention;
6 is a cross-sectional view showing an inclined rotating blade applied to a rotary feeder according to an embodiment of the present invention;
7 is a cross-sectional view of the fixing cylinder applied to the rotary feeder according to an embodiment of the present invention,
8 is a perspective view showing a hopper portion of a rotary feeder according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail.

1 is a partial front sectional view showing a rotary feeder according to an embodiment of the present invention, Figure 2 is a partial side cross-sectional view showing a rotary feeder according to an embodiment of the present invention, rotary feeder 100 according to an embodiment of the present invention Is configured to include a rotary drive unit 10, the casing 20, the fixed cylinder 30 and the rotary blade 40.

The rotation driving unit 10 is basically for generating a rotational force, and includes a motor 11 and a gear 12 coupled to a drive shaft of the motor 11, which will be described in detail later with a chain 13. The rotating blade 40 transmits the rotational force.

In this embodiment, the motor 11 is used to generate rotational force, but an internal combustion engine, hydraulic power, wind power, or the like may be used. In addition, in this embodiment, the power is transmitted using the gear 12 and the chain 13, it is possible to transmit the rotational force in a variety of ways, such as using a belt and pulley.

The casing 20 has a hopper portion 21 formed in a funnel shape on the upper side of the cylindrical space 27 inside, and an outlet portion 22 is formed in a trumpet shape on the lower side of the hopper portion 21. Injecting the material to be transferred to a predetermined amount of the transport material is discharged through the outlet 22.

The hopper portion 21 and the outlet portion 22 is provided with a plurality of monitoring windows 24 that can be opened and closed, it is possible to check the operating state of the rotary feeder 100. In addition, although not shown in the figure, a monitoring window may also be provided in the cylindrical part of the casing 20. The monitoring window 24 is preferably formed of a transparent material so that the inside of the casing 20 can be observed.

The fixed cylinder 30 is mounted in the longitudinal center of the casing 20 cylindrical space 27, the rotating shaft 46 passes inward. The fixed cylinder 30 is fixed without turning in accordance with the rotation of the rotary shaft 46.

7 is a cross-sectional view of the fixing cylinder 30, a plurality of openings 31 are formed as shown. The opening 31 blows air supplied into the fixed cylinder 30 through a blower (not shown) or an air pump (not shown) toward the cylindrical space 27 of the casing 20 to smoothly discharge the conveyed material. And to help alleviate the sticking phenomenon.

The rotating blade 40 includes an inner wall 26 forming the cylindrical space 27 of the casing 20 and a plurality of blades 41 that are in close contact with the outer surface of the fixing cylinder 30 and rotate at the same time. do.

The rotary blade 40 is connected to the rotary shaft 46 and the flange has a structure that rotates together in accordance with the rotation of the rotary shaft 46. Since this can be used in general, a detailed description thereof will be omitted.

3 and 4 are a perspective view and a cross-sectional view showing a rotary blade 40 applied to the rotary feeder 100 according to an embodiment of the present invention, the rotary blade 40 is a donut-shaped two rotating blade side plate 43, And a plurality of blades 41 welded between 44.

The rotating blade side plates 43 and 44 are fixed to the rotating shaft 46 by bolts to the rotating plate 14 which rotates together. Therefore, when the rotating shaft 46 rotates, the rotating blade 40 also rotates together.

In addition, a blade tip 42 is detachably mounted to the blade 41 using a bolt / nut. Accordingly, the blade tip 42 can be easily replaced and used.

The blade tip 42 may use a variety of materials, such as rubber, plastic, metal, brush, depending on the type of transport material, it is advantageous to use a material having elasticity and flexibility.

For example, in the case of conveying light and fine particles such as flour, a rubber material may be used. In the case of conveying a material having large particles, such as grains, a slightly harder resin material may be used.

5 and 6 are a perspective view and a cross-sectional view showing the inclined rotary blade 40 'applied to the rotary feeder according to an embodiment of the present invention, the blade 41' between the two rotary blade side plates (43, 44) It is fixed inclined at 5 to 20 degrees.

As such, when the blade 41 'is securely inclined, pushing the conveying material toward the outlet 22 while the rotary blade 40' rotates can be performed smoothly with less force than when the blade 41 'is fixed in parallel with the rotating shaft. Can be.

However, if the inclined angle is too large, it should be noted that a problem may occur in close contact between the fixing cylinder 30 and the blade tip 42. This is because, when the inclination angle is severe, the pressure that the blade tip 42 presses may vary depending on the position of the cylindrical fixing cylinder 30. The inclination angle can be adjusted according to the type of material and the loading conditions, and the preferred inclination angle can be maintained at 5 to 20 degrees.

8 is a perspective view showing a hopper applied to the rotary feeder according to an embodiment of the present invention, the hopper 21 has a slant plate 23 is inclined in the opposite direction of rotation of the rotary blade 40 and twisted in the shape of a propeller wing It is mounted in a jin form.

When the inclined plate 23 is used or the hopper 21 is formed to have a gentler slope in the opposite direction of rotation, the shape of the conveying material falling through the hopper 21 is rotated in the direction of rotation (see in the drawing). The left side) becomes a higher shape to facilitate the rotation of the rotating blade 40, and since the inclined plate 23 is mounted in a twisted shape in the shape of a propeller wing, the conveying material is cylindrical in the hopper portion 21. It is supplied more smoothly toward).

Here, the inclined plate 23 may be bent and used as a separate member, or may be integrally welded with the hopper 21.

The operation of the rotary feeder according to an embodiment of the present invention will now be described in detail with reference to the drawings.

When the motor 11 is operated to generate a rotational force, the rotational force is transmitted to the rotational blade 40 through the gear 12 and the chain 13. At this time, the blade 41 rotates in close contact with the inner wall surface 26 except for the hopper portion 21 and the outlet portion 22 and the outer surface of the fixing cylinder 30 fixed inside the cylindrical space 27. do.

The transport material falls into the long groove-shaped space formed by the fixed cylinder 30 and the two blades 41 through the hopper part 21, and the transport material dropped therefrom is pushed and rotated by the blade 41 to form a cylindrical space ( It is conveyed in the state which 8 rooms were blocked by the inner wall surface 26 of 27.

If the rotation proceeds continuously, the conveying material is discharged while the blade 41 moves toward the outlet portion 22 to complete the conveyance.

The foregoing descriptions are merely illustrative of one embodiment, and the present invention is not limited to the above-described embodiments, and may be variously modified within the scope of the appended claims. For example, the shape and structure of each component specifically shown in the embodiment of the present invention can be modified.

10: rotary drive unit 11: motor
20: casing 21: hopper section
22: outlet 23: inclined plate
24: monitoring window 30: fixed barrel
31: opening 40, 40 ': rotating blade
41: blade 42: blade tip
43, 44: blade shroud

Claims

A rotation driving unit 10 generating a rotation driving force;
A casing 20 having a hopper portion 21 and an outlet portion 22 formed on the upper and lower sides of the cylindrical space 27, respectively;
A fixed cylinder 30 mounted through the center of the casing 20 cylindrical space 27;
Rotating blades 40 and 40 equipped with a plurality of blades 41 and 41 ′ which rotate in close contact with the inner wall surface 26 forming the cylindrical space of the casing 20 and the outer surface of the fixing cylinder 30 at the same time. '),
The rotary blades 40 and 40 'include blades 41 and 41' fixed between two donut-shaped rotary blade side plates 43 and 44, and the blades 41 and 41 'have blades of elastic material. The tip 42 is detachably mounted,
The hopper portion 21 is a rotary feeder, characterized in that the inclined plate 23 is mounted in a form that is inclined in the opposite direction of rotation of the rotary blade 40 and twisted in a propeller shape.

delete

The method of claim 1,
The blade 41 'is a rotary feeder, characterized in that the inclined surface is fixed between the two rotating blade side plates (43,44).

The method of claim 1,
The fixed cylinder (30) is a rotary feeder, characterized in that a plurality of openings (31) are formed.

delete

The method of claim 1,
The casing 20 is provided with a plurality of monitoring windows 24, the monitoring window 24 is a rotary feeder, characterized in that formed of a transparent material to observe the inside of the casing (20).