JPH033808A - Belt conveyer apparatus - Google Patents

Abstract

PURPOSE:To prevent granular powder from collapsing sideways in an apparatus for conveying a large amount of granular bulk material powder such as grains by means of an endless belt passing through a cylinder in the shape of a circular-arc by disposing a link with a pair of fins in such a manner as to slide freely in an annular groove provided in the downstream end of a cylinder, thereby putting the granular powder to the center of the belt. CONSTITUTION:A conveying belt B is moved through a cylinder 2 and formed like a circular arc to convey a large amount of granular bulk material powder. At this time, even if the belt B meanders, a link 4 with fins slides along an annular groove 5 to follow up the meandering of the belt B, and the granular powder is put to the center of the belt B by the action of the paired fins 4a to be conveyed in such a manner as to be heaped up in the central part. Accordingly, when the granular powder goes out ot the cylinder 2, it is protected from being collapsed sideways so as to be conveyed smoothly.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a Bell I conveyor device used for conveying a large amount of powder and granular materials such as grains.

(Prior art) Conventionally, belt conveyors have been used to transport grain, etc. In order to prevent the grain from falling from the side edges of the belt, both edges of the belt are set high in the form of a gutter, and the transported items are transported in this state. was.

(Problems to be Solved by the Invention) However, in the conventional belt, there is a limit to how high the side edges of the belt can be made to be, and therefore a large amount of objects cannot be transported. A conveyor device that inserts the conveying part of a conveyor belt into the inside of a cylinder proposed by the applicant (Patent Application No. 1999-21!11)
65), it is possible to carry out large-scale conveyance. However, in the structure in which the conveying section is inserted through the cylinder as described in 1., the cross-sectional shape of the belt changes from an arc to a flat shape between the outlet of the cylinder and the end of the conveying section. At the end of the cylindrical body, the cylindrical body holding both ends of the belt suddenly lowers, causing the grain to flow down toward the edge of the belt. In this case, it is necessary to install a hopper with a large opening below the end of the conveyance section, but considering the angle of natural fall of the grain, a structure with a steep slope is required, so the hopper should be large. I have no choice but to do so.

In order to solve the above-mentioned problems, the present invention provides a belt conveyor having a structure in which a large amount of grain, etc. can be transported using a cylindrical body. To provide a belt conveyor device installed so that the flow of grains is brought to the center so as not to fall to the side edges.

(Means for Solving the Problems) In order to achieve the object described above, the configuration of the present invention is such that an endless conveyor belt is rotatably provided by inserting its conveyor portion into the inside of the cylinder, and A finned link having a pair of fins located at both edges of the conveyor belt having an arcuate cross section by the inner wall of the cylinder and formed obliquely so as to gradually move toward the center with respect to the downstream of the grain flow. , characterized in that it is slidably attached to an annular groove formed on the inner circumferential surface of the cylindrical body.

(Function) Since the present invention is configured as follows, when the conveyor belt is driven, the conveyor belt snakes inside the cylinder as it runs, but the finned links slide in the grooves. Transport bell!・Follow the movement of. When the grains, etc. being conveyed on the conveyor belt 2 come into contact with a pair of fins, the grains, etc. located on the side edges of the belt are brought to the center by the fins, piled up in the center of the conveyor belt, and conveyed. be done. A small amount is conveyed to the edge of the conveyor belt, and the load applied to the edge is reduced. In conjunction with the conveying speed of the conveyor belt, the grain can reach near the end of the conveyor belt before it collapses laterally.

(Example) An example of the present invention will be described based on FIGS. 1 to 3.

As shown in FIGS. 1 and 2, an endless conveyor belt B is stretched between a pair of pulleys 1 (one side is shown), and the intermediate portion of the conveyor section of conveyor bells L-H is covered with a cylinder 2. It is being said. The conveyor bell) B has a low-friction cloth affixed to its lower surface or processed to reduce the coefficient of friction, and is in contact with the lower inner circumferential surface inside the cylindrical body. The end of the transport portion of the transport bell L-H is wound around a pulley 1, and the return portion is hung around a return roller 3.

Instead of applying low-friction processing to the lower surface of the conveyor bell (H), the inside of the cylinder may be coated with a low-friction synthetic resin, etc. A 4-inch fin link 4 is provided at the downstream end of the cylinder. As shown in FIG. 4, the 4-inch fin link 4 has a pair of fins 4a attached to the lower end of an arc-shaped support member 4b, and the lower outer side 4C of the fins 4a is a curved conveyor belt. The fins are formed in a shape that follows the edges, and the surfaces of the fins are inclined so as to gradually move toward the center with respect to the conveyance direction, that is, the downstream direction of the grain flow (see FIG. 5). And Figure 3,
As shown in FIG. 5, a fin link 4 is slidably provided in an annular guide link 5 (annular groove) with a U-shaped cross section that opens toward the center and is attached to the end of the cylinder. . Note that the foot portion 4 is attached to the finned link 4 so as not to create a gap where the conveyed object enters the opening of the guide link 5 at the contact surface between the finned link 4 and the upper end of the conveyor belt B.
It is better to form d. Further, a frame 6 for regulating the side edge of the finned link 4 is arranged on the conveyor belt B behind the fins 4a. A pair of side plates may be used instead of the frame 6.

With the above configuration, when the conveyor belt moves inside the cylinder, even if it meanders, the finned link 4 is pushed by the edge of the conveyor belt B and slides within the guide link 5 to maintain its position. Collision with B is avoided. In addition, the object can be moved to the center and transported without changing the relative position.

FIG. 6 shows another embodiment, in which a pair of fins 7a shown in the figure are connected to an arc-shaped support member 7 along the inner peripheral surface of the lower part of the cylindrical body.
A finned belt 7 connected at b is used. The conveyor belt B moves inside this, and the conveyed object is prevented from entering the opening of the guide link 5.

(Effects of the Invention) Since the present invention is configured as follows, the conveyed object on the conveying belt is moved by a pair of fins.
・It can be brought to the center, and when the conveyed object is conveyed in a bulky state on the conveyance bench, when it comes out of the cylinder, it is conveyed a predetermined distance without collapsing to the side due to the conveyance speed. A large amount of objects can be transported smoothly.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an embodiment of the present invention, FIG. 2 is a cross-sectional plan view of the embodiment shown in FIG. 1, FIG. 3 is a front view showing the end of the cylinder body of the embodiment, and FIG. is a front view of the fin (=J link) in the embodiment, FIG. 5 is a sectional view taken along the line V-V in FIG. 3, and FIG. 6 is a front view of the finned link of another embodiment. 2 ...Cylinder 4.7 ...Finned link 5 ...Guide link (annular groove) B ...
・Transport belt (2 others) 47-

Claims (1)

[Claims] (1) An endless conveyor belt is rotatably provided by inserting its conveyor part into the inside of a cylinder, and is located in the cylinder at both edges of the conveyor belt whose cross section is arcuate due to the inner wall of the cylinder. A finned link having a pair of fins formed obliquely so as to gradually move toward the center with respect to the downstream direction of the grain flow is slidably attached to an annular groove formed on the inner circumferential surface of the cylinder. A belt conveyor device characterized by: