JPH08239111A - Transporting means of carrier - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a traveling means of a transportation device which is low in cost and high in durability and reliability while preventing noise. [Structure] The slat 47 is supported by a traveling rail 32 via a traveling roller 35 rotatably supported by the slat 47. The noise prevention material 34 is arranged seamlessly on the traveling rail 32, and the traveling roller 35 rolls on the surface of the noise prevention material 34. In this way, since the traveling roller 35 rolls on the surface of the noise prevention material 34, the noise generated when the traveling roller 35 rolls is reduced by the noise prevention material 34. Since the noise prevention material 34 is arranged along the surface of the traveling rail 32, the noise prevention material 34 can be easily arranged. Further, since the noise prevention material 34 is arranged on the traveling rail 32, the noise prevention material 34 is less likely to be peeled off as compared with the case where the noise prevention material 34 is baked on the circumferential surface of the traveling roller 35.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traveling means of a conveying device, and more particularly to a traveling means of a conveying device which conveys an article by traveling slats or trays on which the article is placed.

[0002]

2. Description of the Related Art Conventionally, a slat conveyor has been known as a conveying device for conveying and sorting articles.
As shown in FIG. 5, the slat conveyor 10 has a plurality of slats 12, 12 ...
4 and 14 are connected to form a conveyance path. The endless chains 14 and 14 are stretched around a pair of sprockets (not shown), and traveling rollers 16, 16 ... (See FIGS. 5 and 6) are rotatably supported by the endless chains 14 and 14. . The traveling rollers 16, 16 ... Are the traveling rails 18,
It is rotatably supported on 18.

Therefore, the slat conveyor 10 is rotated by a pair of sprockets so that the endless chain 14,
14 orbits, and at the same time, the traveling rollers 16, 16 ... Roll on the traveling rails 18, 18. This allows slats 1
2, 12 ... Move in the orbiting direction of the endless chains 14, 14 (arrow direction), and the articles 20 on the slats 12, 12 ...
Are transported in the transport direction.

Further, article extruding shoes 22, 22 ... Are supported by the slats 12, 12 ... The article extruding shoes 22, 22, ...
Are arranged on the upper ends of the slats 12, 12 ... And slid from the upper ends of the slats 12, 12 ... Thereby, the article 20
Is a slat 12, 12 with shoe 22, 22 ...
It is moved to the lower end side of ... And pushed out from the transport path to the sorting transport path (not shown).

Urethane rubber 24 (see FIG. 6) is baked on the peripheral surface of the traveling roller 16 used in this slat conveyor, whereby the traveling roller 16 is moved to the traveling rail 1.
Noise when rolling 8 is reduced.

[0006]

However, the conventional slat conveyor 10 has a problem that the cost increases because the urethane rubber 24 is baked on the peripheral surface of the traveling roller 16. Further, since the urethane rubber 24 is easily peeled off from the peripheral surface of the traveling roller 16 by the traveling roller 16 rolling on the traveling rail 18, there is a problem that durability and reliability of the slat conveyor are low. Therefore, an object of the present invention is to solve the problems of the above-mentioned conventional techniques, to reduce noise, and to provide a low-cost, highly durable and highly reliable transporting device for a transporting device.

[0007]

The above object of the present invention is to provide a traveling roller (35, 5) rotatably supported by a conveyor plate (47) which forms a conveyor path and conveys an article (49).
6), a traveling rail (32, 54) that supports the conveyor plate via the traveling roller, and a traveling roller that is disposed in a seamless manner on the traveling rail and that moves the conveyor plate to the surface. It is achieved by a traveling means of a conveying device, which is provided with a noise preventing material (34, 50) that rolls up.

[0008]

According to the present invention, the noise preventing material is arranged in a seamless manner on the traveling rail, and the traveling roller rolls on the noise preventing material. In this way, since the traveling roller rolls on the surface of the noise prevention material, the noise generated when the traveling roller rolls is reduced by the noise prevention material. Further, since the noise prevention material is arranged on the traveling rail side, the noise prevention material is less likely to peel off or the like as compared with the case where the noise prevention material is baked on the peripheral surface of the traveling roller.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a traveling means of a carrying device according to the present invention will be described below with reference to the drawings. As shown in FIG. 1, the traveling means 30 of the carrier device includes a traveling rail 32 and a noise suppressing member 3.
4 and the traveling roller 35 (see FIG. 2). Figure 2
As shown in FIG. 5, the traveling rail 32 has a flat surface, and is integrally formed with the frame of the transport device (not shown). Further, the traveling rail 3 is provided on the outer side of the traveling rail 32.
A wall portion 33 is formed along the line 2.

On the surface of the traveling rail 32, a noise prevention material 34
Is provided. The noise prevention material 34 is urethane rubber 3
6 and 36 and a steel belt 38, the urethane rubber 36 is formed in a plate shape with a constant thickness, and both end portions are formed in a tapered shape in plan view. The mounting hole 36 is provided at the upstream end (the left end in FIG. 1) of the urethane rubber 36 in the conveying direction.
a is formed, and the set screw 40 is fitted into the mounting hole 36a. The urethane rubber 36 is attached to the surface of the traveling rail 32 by screwing the set screw 40 to the traveling rail 32 (see FIG. 2).

In this case, since the left end of the urethane rubber 36 is fixed by the set screw 40 and the right end thereof is not fixed by the set screw 40, the right end of the urethane rubber 36 is directed toward the inner side of the traveling rail 32 (see FIG. 1). There is a possibility that there will be a deviation in the direction of arrow A) and the outward direction (direction of arrow B in FIG. 1). However, as described above, since both end portions of the urethane rubber 36 are tapered in plan view, the urethane rubber 3
When the right end portion of 6 is displaced inward (in the direction of arrow A), it abuts on the left end portion of the adjacent urethane rubber 36, and the displacement of the right end portion of the urethane rubber 36 inward is prevented. Further, when the right end portion of the urethane rubber 36 attempts to shift in the outer direction (direction of arrow B), the urethane rubber 36 contacts the wall portion 33 and prevents the right end portion of the urethane rubber 36 from shifting in the outer direction.

Further, as shown in FIGS. 1 and 2, the urethane rubbers 36, 36 adjacent to each other are attached with a constant gap s. As a result, when the urethane rubbers 36, 36 ... Extend due to heat or the like, the expansion of the urethane rubbers 36, 36. Therefore, the urethane rubber 36, 3
Even if 6 is expanded, the surfaces of the urethane rubbers 36, 36 ... Can be kept flat. A steel belt 38 is laid on the surfaces of the urethane rubbers 36, 36 ... Attached to the traveling rail 32. The steel belt 38 is a hardened material that is hardened, and is formed in a band shape that is narrower than the urethane rubber 36. This steel belt 38 has a left end 3
8a is fixed to the frame 39 of the carrying device, and the right end 38
b is connected to the frame 39 of the transfer device via a spring 42. As a result, the steel belt 38 is laid on the surface of the urethane rubbers 36, 36 ... By the urging force of the spring 42.

By thus stretching the steel belt 38 with the biasing force of the spring 42, when the steel belt 38 expands or contracts due to heat or the like, the steel belt 3
The expansion and contraction of 8 are absorbed by the spring 42. Therefore, the steel belt 38 can always be kept in a tensioned state.
As a result, the urethane rubbers 36, 36 ... Are protected by the steel belt 38.

Since the running roller 35 rolls on the surface of the steel belt 38, the running roller 35 rolls smoothly without being affected by the gap s between the urethane rubbers 36, 36 ... Thereby, generation of noise when the traveling roller 35 rolls is suppressed. Also, steel belt 3
Since 8 is made of a hard material, the running resistance of the running roller 35 can be reduced. Further, since the steel belt 38 is quenched, it has excellent durability. Further, since the steel belt 38 is easily attached and detached, when the steel belt 38 is worn, it can be easily replaced with a new steel belt 38.

FIG. 3 shows a state in which the traveling means of the conveying apparatus according to the present invention configured as described above is used for the slat conveyor.
Shown in As shown in the figure, the slat conveyor 44 has a plurality of slats (transport plates) 47, 47 ... The endless chain 45 includes a pair of sprockets 46, 4 respectively.
8 is stretched, and the endless chain 45 has traveling rollers 35,
35 are rotatably supported.

Therefore, the upper traveling rollers 35, 35 ... And the lower traveling rollers 35, 35 ... Are arranged in parallel on the upper side and the lower side of the sprockets 46, 48. And
The upper traveling rollers 35, 35 ... And the lower traveling roller 3
Traveling rails 32, 32, which are integrated with the frame, are disposed below the rollers 5, 35, ... In parallel with the traveling rollers 35, 35 ,.

On the surface of the traveling rail 32, a set screw 40,
40 ... (see FIGS. 1 and 2) through the urethane rubber 36,
36 ... are attached. Furthermore, urethane rubber 3
Steel belts 38 are arranged on the surfaces of 6, 36. In this case, the steel belt 3 arranged on the upper side
8, the left end is fixed to the frame 39 of the carrying device, and the right end is connected to the frame 39 of the carrying device via a spring 42.
It is connected to. Further, the steel belt 38 disposed on the lower stage side has its right end fixed to the frame 39 of the transfer device and its left end connected to the frame 39 of the transfer device via the spring 42.

As a result, the steel belts 38, 38 disposed on the upper side and the lower side respectively have springs 42.
Is laid on the surface of the urethane rubber 36, ... These steel belts 38,38
. Are rotatably supported on the surface of the roller.

Therefore, the pair of sprockets 4 shown in FIG.
By rotating 6 and 48 in the direction of arrow C, the endless chain 45 orbits in the direction of arrow D, and at the same time, the traveling roller 3
, 35 roll on the surfaces of the steel belts 38, 38. As a result, the slats 47, 47 ... Move in the circumferential direction of the endless chain 45, and the article 49 on the slats is conveyed.

In the above-mentioned embodiment, the case where the noise prevention member 34 is composed of a plurality of urethane rubbers 36, 36 ... And the steel belt 38 has been described. However, the present invention is not limited to this, and as shown in FIG. You may use the resin belt and rubber belt etc. which were formed in. In this case, the left end of the band-shaped noise suppressing member 50 is fixed to the frame 39 of the transport device, and the right end is connected to the frame 39 via the spring 52. As a result, the noise prevention material 50 is arranged in a stretched state on the surface of the traveling rail 54.
Therefore, the noise generated by the traveling roller 56 rolling on the noise prevention material 50 is reduced by the noise prevention material 50.

In the above-described embodiment, the case where the traveling means of the conveying apparatus according to the present invention is used for the slat conveyor has been described, but the present invention is not limited to this, and the traveling means of the conveying apparatus may be used for other sorting conveying apparatuses. For example, as another sorting / conveying device, a traveling roller is supported at the center of each of a plurality of trays that form a conveying path, the traveling roller is rolled along a traveling rail, and the tray is moved in either the left or right direction. 2. Description of the Related Art There is known an apparatus that sorts articles placed on a tray by inclining them diagonally forward. The present invention is also applicable to this type of tray type sorting device.
Further, the present invention is also applicable to a truck that travels on a rail via rollers.

[0022]

As is apparent from the above description, according to the traveling means of the conveying apparatus of the present invention, the traveling roller is rotatably supported on the conveying plate, and the conveying plate is supported by the traveling rail via the traveling roller. did. In addition, the noise preventing material is arranged seamlessly on the running rail so that the running roller rolls on the surface of the noise preventing material. In this way, since the traveling roller rolls on the noise prevention material, the noise generated when the traveling roller rolls is reduced by the noise prevention material.

In this case, since the noise prevention material is arranged along the surface of the traveling rail, the noise prevention material can be easily arranged. Therefore, the cost can be reduced.
Further, since the noise prevention material is arranged on the traveling rail side, the noise prevention material is less likely to peel off or the like as compared with the case where the noise prevention material is baked on the peripheral surface of the traveling roller. Therefore, the durability and reliability of the noise prevention material are improved.

[Brief description of drawings]

FIG. 1 is a plan view showing a traveling means of a carrying device according to the present invention.

FIG. 2 is an enlarged view of an essential part showing an enlarged essential part of the traveling means of the conveying device according to the present invention.

FIG. 3 is a side view showing a state in which the traveling means of the carrier device according to the present invention is used for a slat conveyor.

FIG. 4 is a side view showing another embodiment of the traveling means of the carrying device according to the present invention.

FIG. 5 is a plan view showing a conventional slat conveyor.

6 is a cross-sectional view taken along the line EE of FIG.

[Explanation of symbols]

 30 Conveying device traveling means 32,54 Traveling rails 34,50 Noise suppressing material 35,56 Traveling rollers 47 Slats (conveying plates) 49 Articles

Claims (1)

[Claims] 1. A running roller (35, 56) rotatably supported by a carrying plate (47) which forms a carrying path and carries articles (49), and the carrying plate via the running roller. A traveling rail (32, 54) for supporting, and a noise prevention material (34, 50) which is disposed on the traveling rail in a seamless manner and in which the traveling roller rolls on the surface to move the transport plate. And a traveling unit of the transportation device.