JP2002020070A - Flexible belt and conveyor - Google Patents

Abstract

(57) [Problem] To provide a flexible belt and a transfer device that can move in a curved shape in the left-right direction. SOLUTION: An outer flexible layer 21 to which an object to be conveyed can contact one surface and a reinforcing material T extending in a belt width direction are arranged side by side in the belt moving direction, and one surface is provided with the other surface of the outer flexible layer 21 as the other. The inner flexible layers 22 and 23, which are in close contact with the surfaces, and a plurality of longitudinal members L extending in the belt moving direction, are provided inside, and the inner flexible layers 22, 23 are in close contact with the widthwise central portions of the other surfaces of the intermediate flexible layers 22, 23. A pulley 3 having an endless conveyance belt 31 having a flexible layer 24 and provided at a conveyance start point and a conveyance completion point.
The conveyor belt 31 is wrapped around the conveyor belts 2 and 33, and a plurality of guide rollers 34 are rotatably abutted on the left and right edges of the conveyor belt 31 between the conveyance start point and the conveyance completion point. 31 is installed so that it can move in a curved shape.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flexible belt and a conveying device.

[0002]

2. Description of the Related Art FIG. 7 shows an example of a conventional moving sidewalk. The moving sidewalk includes an entrance step 101 provided at an upstream end in a user transport direction and a exit provided at a downstream end in a user transport direction. Step 102, an upstream pulley 103 arranged below the entrance step 101, and an exit step 10
2, a downstream pulley 104, and an endless transport belt 105 wound around the pulleys 103, 104 and forming a continuous sidewalk between the steps 101, 102. .

[0003] A plurality of rollers 107 are provided at equal intervals between the pulleys 103 and 104 to support the conveyor belt 105 located on each of the carrier-side moving path and the return-side moving path from below. ing.

In this moving sidewalk, both pulleys 103, 1 are moved so that the carrier surface of the conveyor belt 105 moves at a constant speed from the entrance step 101 to the exit step 102.
04 rotates the transport belt 105.

[0005] Further, on the left and right sides of the moving path of the conveyor belt 105 on the carrier side, the height of the conveying belt 1 is set over its entire length.
There is provided a balustrade (not shown) that is set to be about the waist of a user who rides on the 05. The balustrade has a carrier-side moving route along the upper surface of the balustrade and a return-side moving route located in the balustrade. The endless handrail belt 106 is
It is provided so as to orbit at the same speed as 05.

The above-mentioned transport belt 105 has a structure as shown in FIG.

That is, the transport belt 105 includes a first flexible layer 11 in which grooves G extending in the belt moving direction are formed on one surface at equal intervals in the belt width direction, and a reinforcing member T extending in the belt width direction. A second flexible body 11 which is provided at equal intervals in the belt moving direction and has one surface closely contacted with the other surface of the first flexible layer 11;
Flexible layer 12 and a longitudinal member L extending in the belt moving direction are provided at equal intervals in the belt width direction, and one surface is brought into close contact with the other surface of the second flexible layer 12. A fourth flexible layer 14 in which a flexible layer 13 and a reinforcing material T extending in the belt width direction are provided at equal intervals in the belt moving direction and one surface of which is in close contact with the other surface of the third flexible layer 13 And

The above-mentioned constituent materials of the flexible layers 11, 12, 13, and 14 include the transfer belt 105 turning from the carrier side movement path to the return side movement path, or the return side movement path to the carrier side movement path. A rubber-based material is used so as to ensure flexibility when turning.

The width, interval, and depth of the groove G are determined by the above-described entrance step 101 and exit step 10.
2 are set in accordance with the shape of the comb teeth (not shown) provided in each of them, and the comb teeth and the groove G are fitted to each other so that the foreign matter is prevented from being caught by the transport belt 105. ing.

Further, a steel wire is used for the reinforcing member T and the longitudinal member L, and the reinforcing member T suppresses downward bending of the central portion with respect to the edge portion in the belt width direction, and the longitudinal member is used. The material L maintains the tensile strength in the belt circling direction.

[0011]

However, in the conveyor belt 105, the longitudinal members L extending in the belt moving direction are
Since the transport belts 105 are arranged in the third flexible layer 13 at substantially equal intervals in the belt width direction, the transport belt 105 cannot be moved in a curved shape in the left-right direction.

Accordingly, in the moving sidewalk shown in FIG. 7, the moving path of the conveyor belt 105 on the carrier side between the entrance step 101 and the exit step 102 must be linear, and the degree of freedom of installation of the moving sidewalk is limited. Low.

The present invention has been made in view of the above-mentioned circumstances, and has as its object to provide a flexible belt and a transfer device that can move in a curved shape in the left-right direction.

[0014]

In order to achieve the above object, in the flexible belt according to the first aspect of the present invention, an outer flexible layer on one side of which an object to be conveyed can contact, and a belt extending in a belt width direction. An intermediate flexible layer in which reinforcing members are arranged side by side in the belt moving direction and one surface of which is in close contact with the other surface of the outer flexible layer; And an inner flexible layer that is in close contact with the widthwise center portion of the other surface.

[0015] Further, in the transfer device according to the second aspect of the present invention, the outer flexible layer capable of contacting the object to be transferred with one surface;
A reinforcing material extending in the width direction of the belt is arranged in the belt moving direction, the intermediate flexible layer having one surface in close contact with the other surface of the outer flexible layer, and a plurality of longitudinal members extending in the belt moving direction. And an endless transport belt having an inner flexible layer closely attached to the widthwise central portion of the other surface of the intermediate flexible layer, and a pulley provided at a transport start point and a transport completion point,
The transport belt is wrapped around the transport belt, and a plurality of guide rollers are rotatably abutted on required portions between a transport start point and a transport completion point, and the transport belt is curved. It is installed so that it can be moved to.

In the flexible belt according to the first aspect of the present invention, the longitudinal member for maintaining the tensile strength in the belt circling direction is provided on the inner side located at the center in the width direction of the outer and middle flexible layers. A belt is provided inside the flexible layer to secure the flexibility of the belt to the left and right.

Further, in the conveying device according to the present invention, the plurality of guide rollers are brought into contact with the left and right edges of the conveying belt from the starting point of the conveyance to the end point of the conveying, so that the conveying belt is moved. In a curve.

[0018]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 show an embodiment of a flexible belt according to the present invention. In the drawing, the same reference numerals as those in FIG. 8 denote the same parts.

In this flexible belt, a first flexible layer 21 formed on one surface with grooves G extending in the belt moving direction at regular intervals in the belt width direction, and a reinforcing member T extending in the belt width direction are formed in the belt moving direction. And a second flexible layer 22 having one surface closely attached to the other surface of the first flexible layer 21 and a reinforcing material T extending in the belt width direction at equal intervals in the belt moving direction. And a plurality of longitudinal members L extending in the belt moving direction and a third flexible layer 23 having one surface closely adhered to the other surface of the second flexible layer 22 and one surface thereof Third
And a fourth flexible layer 24 that is in close contact with the widthwise central portion of the other surface of the flexible layer 23.

A rubber-based material is used as a constituent material of each of the flexible layers 21, 22, 23, and 24.
For the longitudinal member L, a steel wire is used.

The plurality of longitudinal members L provided in the center of the cross section of the fourth flexible layer 24 are in a state where single wires are juxtaposed, in a state where single wires are bundled with a binding wire, or in a state where single wires are twisted. Either one may be used.

In the flexible belt shown in FIGS. 1 and 2, the reinforcing member T suppresses the downward bending of the central portion with respect to the edge portion in the belt width direction, and the longitudinal member L causes the tensile strength in the belt circling direction. Holding.

Further, the longitudinal member L is formed of each of the flexible layers 21, 22, 2
3, the belt is secured in the fourth flexible layer 24 located at the center in the width direction, so that the belt can be secured to the left and right flexibly.
This makes it possible to move the flexible belt in a curved shape.

FIGS. 3 to 6 show an embodiment of the transport apparatus of the present invention. In the drawings, the same reference numerals as those in FIGS. 1 and 2 denote the same components.

This transport device has an endless transport belt 31 having the same configuration as the flexible belt shown in FIGS.
An upstream pulley 32 provided at a transfer start point, a downstream pulley 33 provided at a transfer completion point, and a side pulley provided between the transfer start point and the transfer completion point and at the left and right edges of the transfer belt 31. And a plurality of first support rollers 35 rotatably abutting on the fourth flexible layer 24 of the transport belt 31 located on the carrier side movement path from below. A plurality of second support rollers 36 rotatably abutting from below on a portion near the left and right edges of the conveyor belt 31 located on the carrier side movement path.
And the conveyor belt 31 located on the return side movement path
Return rollers 3 rotatably abutting from below
7 is provided.

The upstream pulley 32 and the downstream pulley 33
A peripheral groove 38 in which the fourth flexible layer 24 fits is provided at the center in the width direction in contact with the third flexible layer 23 of the conveyor belt 31.

The first support roller 35 is in contact with the fourth flexible layer 24 of the transport belt 31 so as to contact the fourth flexible layer 2.
4 is shaped like a drum so as to suppress the movement of 4 from side to side.

The position of the guide roller 34 is adjusted by the guide roller 34 from the upstream pulley 32 to the downstream pulley 3.
3 and the return side movement path of the conveyor belt 31 moving from the downstream pulley 33 to the upstream pulley 32 is set to be curved.

In the conveying apparatus shown in FIGS. 3 to 6, when the downstream pulley 33 is continuously driven, the conveying belt 31 located on the carrier side moving path is supported.
The transport belt 31 moves toward the transport completion point while being supported by the transfer roller 6, and moves toward the transport start point while being supported by the return roller 37.

At this time, the transport belt 31 is bent right and left by guide rollers 34 which abut on the left and right edges thereof.

As described above, in the transporting apparatus shown in FIGS. 3 to 6, a plurality of longitudinal members L are collectively arranged at the central portion in the width direction, and the left and right edges of the transporting belt 31 are provided with a plurality of laterally extending members L from the side. The guide roller 34 is brought into contact with the conveying belt 31
Since the traveling direction is bent left and right, the carrier-side moving path of the transport belt 31 can be curved, and
It is possible to increase the degree of freedom in installing the transfer equipment.

It should be noted that the flexible belt and the conveying device of the present invention are not limited to the above-described embodiment, and that only one reinforcing material is provided in the intermediate flexible layer of the flexible belt. Of course, the belt may be used for conveying articles without forming a groove in the outer flexible layer of the belt, and other modifications may be made without departing from the spirit of the present invention.

[0034]

As described above, according to the flexible belt and the conveying device of the present invention, various excellent effects as described below can be obtained.

(1) In the flexible belt according to the first aspect of the present invention, since the longitudinal member is provided in the inner flexible layer located at the center in the width direction of the outer and intermediate flexible layers, the belt circulates around the belt. In addition to maintaining the tensile strength in the direction, it is possible to secure the flexibility to the left and right.

(2) In the transport device according to the second aspect of the present invention, a plurality of guide rollers are applied to the left and right edges of the transport belt in which a plurality of longitudinal members are disposed at the center in the width direction from the side. Contact and bend the transport belt traveling direction left and right,
The carrier-side movement path of the transport belt can be curved, and thus the degree of freedom in installing the transport equipment can be increased.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing an example of an embodiment of a flexible belt of the present invention.

FIG. 2 is a perspective view showing a configuration concept of a flexible belt related to FIG.

FIG. 3 is a conceptual diagram illustrating an example of an embodiment of a transport device according to the present invention.

FIG. 4 is a conceptual diagram showing a part of a side surface of the transport device related to FIG. 3;

FIG. 5 is a front view of a pulley of the transport device related to FIG. 3;

FIG. 6 is a layout diagram of rollers of the transport device related to FIG. 3;

FIG. 7 is a perspective view showing the concept of a conventional moving sidewalk.

FIG. 8 is a perspective view illustrating a configuration concept of a transport belt related to FIG. 7;

[Explanation of symbols]

 21 first flexible layer (outer flexible layer) 22 second flexible layer (intermediate flexible layer) 23 third flexible layer (intermediate flexible layer) 24 fourth flexible layer (inner flexible layer) Layer) 31 Conveyor belt 32 Upstream pulley (pulley) 33 Downstream pulley (pulley) 34 Guide roller L Longitudinal material T Reinforcement material

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) B65G 21/22 B65G 21/22 A B66B 21/10 B66B 21/10 Z (72) Inventor Shinichi Saruyama Tokyo 6-4 Akashi-cho, Chuo-ku Ishikawajima Transportation Machinery Co., Ltd. F-term (reference) 3F023 AA03 BA01 BA10 BB01 BC01 DA03 3F024 CA04 DA07 3F025 CA01 CB05 3F321 BA07 CB02 CB03 CB08

Claims (2)

[Claims] 1. An outer flexible layer on one side of which an object to be conveyed can contact, and a reinforcing member extending in a belt width direction are arranged side by side in the belt moving direction, and one side is provided on the other side of the outer flexible layer. An intermediate flexible layer, a plurality of longitudinal members extending in the belt moving direction, and an inner flexible layer closely attached to a widthwise center portion of the other surface of the intermediate flexible layer. Characteristic flexible belt. 2. An outer flexible layer on one side of which an object to be conveyed can come into contact, and a reinforcing member extending in a belt width direction are arranged in the belt moving direction, and one side is provided on the other side of the outer flexible layer. An endless endless layer having an intermediate flexible layer adhered thereto and an inner flexible layer in which a plurality of longitudinal members extending in the belt moving direction are provided and which are closely adhered to a widthwise central portion of the other surface of the intermediate flexible layer. Having a transport belt, the transport belt is wrapped around the pulley provided at the transport start point and the transport completion point so as to be able to circulate, and a plurality of guide rollers are provided at required locations between the transport start point and the transport completion point, A transport device, wherein the transport belt is rotatably abutted on left and right edges of the transport belt and is installed so that the transport belt can move in a curved shape.