JPH0648526A - Cylindrical belt conveyor device - Google Patents

Abstract

PURPOSE:To provide a cylindrical belt conveyor device by which hanging is not caused in a return side part, needless to say a conveying side part of a cylindrical belt by using a single kind of support panels. CONSTITUTION:Support panels 11 to support simultaneously a conveying side part and a return side part of a cylindrical belt 12, are arranged at proper intervals in a lengthwise direction of the cylindrical belt 12, and four rollers 13 to support either one of the conveying side part and the return side part of the cylindrical belt 12 from the circumferential direction and two rollers 14 to support either other one of the conveying side part and the return side part of the cylindrical belt 12 from both sides, are provided in the support panels 11, and when a vertical direction of the support panels 11 is changed, needless to say the conveying side part of the cylindrical belt 12, the return side part is also supported in a proper place in the circumferential direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cylindrical belt conveyor device.

[0002]

2. Description of the Related Art Conventionally, when a cylindrical belt conveyor device is operated, a plurality of carrier rollers are provided on the conveying side for the purpose of supporting the weight of the belt and maintaining the shape, and a plurality of carrier rollers are provided on the return side for the purpose of maintaining the belt shape. Support panels with return rollers were placed at appropriate intervals.

FIG. 4 shows a conventional example thereof, in which a cylindrical belt 1 is endlessly hung on a tail pulley 2 and a head pulley 3, and is forcibly opened at the tail pulley 2 and wound around the tail pulley 2. Is gradually closed by a restoring force, and the head pulley 3 is forcibly opened and gradually closed by a restoring force from the winding portion around the head pulley 3.

Reference numerals 4a and 4b denote support panels for simultaneously supporting the transport side and the return side of the cylindrical belt 1 between the tail pulley 2 and the head pulley 3, and the support panels 4a and 4b respectively have the cylindrical belt 1 thereon. It has a plurality of carrier rollers 5a, 5b for supporting the transport side portion thereof and a plurality of carrier rollers 6a, 6b for supporting the return side portion of the cylindrical belt 1.

More specifically, a support panel 4 for the cylindrical belt 1 between the tail pulley 2 and the head pulley 3
The supporting portions by a and 4b are located at appropriate intervals in the lengthwise direction of the cylindrical belt 1, and two types of supporting panels 4a and 4b are used. One of the two types of support panels 4a is provided to support the transport side portion of the cylindrical belt 1 from the circumferential direction.
It has one carrier roller 5a and two carrier rollers 6a for supporting the return side portion of the cylindrical belt 1 from both sides. Further, the other support panel 4b has two carrier rollers 5b for supporting the transport side portion of the cylindrical belt 1 from below and two carrier rollers 6b for supporting the return side portion of the cylindrical belt 1 from both sides.
Is equipped with.

Such two types of support panels 4a and 4b
Are alternately arranged, and the carrier roller 5a supports the weight and shape of the cylindrical belt 1 on the transport side, and the carrier roller 5b supports the weight of the cylindrical belt 1 on the return side, and the carrier rollers 6a, 6 on the return side.
The shape of the cylindrical belt 1 is maintained at b.

The number of the support panels 4a and 4b, that is, the mounting pitch interval is appropriately determined according to the amount and weight of the object to be conveyed by the cylindrical belt 1, and the amount and weight of the object are large. The mounting pitch interval is narrowed to increase the number of support panels 4a and 4b.

[0008]

However, in the above-mentioned conventional example, since the return side portion of the cylindrical belt 1 is only supported by the carrier rollers 6a and 6b from both sides, the adjacent support panels 4a and 4b are provided. However, there is a problem that the cylindrical belt 1 hangs down and that two types of support panels 4a and 4b are required.

The present invention solves such a problem, and it is sufficient to prepare one type of support panel, and it is an object of the present invention to provide a cylindrical belt conveyor device in which the return side portion of the cylindrical belt does not sag. It is intended.

[0010]

In order to solve this problem, according to the present invention, the tail pulley and the head pulley are endlessly hung, and the tail pulley is forcibly opened to restore the restoring force from the winding portion to the tail pulley. A cylindrical belt conveyer device having a cylindrical belt that is gradually closed by means of a restoring force from the winding portion for the head pulley and that is gradually opened by the head pulley. A support panel for simultaneously supporting the return side portion and the return side portion is arranged at appropriate intervals in the length direction of the cylindrical belt, and one of the transport side portion and the return side portion of the cylindrical belt is arranged in the support panel from the circumferential direction. Two or more supporting three or more rollers and either one of the transport side portion and the return side portion of the cylindrical belt from both sides. It is made with a roller.

[0011]

With the above construction, one type of support panel is arranged at appropriate intervals in the lengthwise direction of the cylindrical belt, and by changing the vertical direction of these support panels, not to mention the conveying side portion of the cylindrical belt. That is, the return side portion is also circumferentially supported at a proper position, and it is possible to prevent the return side portion from sagging.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 to 3, reference numeral 11 denotes a support panel formed by framing a mold material, and the support panel 11 is vertically divided. In this way, one roller divided vertically is provided with four rollers 13 that support the cylindrical belt 12 from the circumferential direction, and the other roller is provided with two rollers 14 that support the cylindrical belt 12 from both sides. There is.

More specifically, in the upper half of the support panel 11, two horizontal rails 15, which are hung between the vertical rails 11a on both sides of the support panel 11, are vertically attached at appropriate intervals. Two rollers 13 are provided on each of 15 through brackets 16 so as to contact the outer peripheral surface of the cylindrical belt 12. The axial direction of the roller 13 is orthogonal to the axial direction of the cylindrical belt 12. Thus, among the upper and lower horizontal rails 15 that support the four rollers 13, the lower horizontal rail 15 divides the support panel 11 into upper and lower sections.

Further, in the lower half of the support panel 11, one roller 14 is provided on each of the vertical bars 11a on both sides of the support panel 11 via brackets 17 so as to abut both side surfaces of the cylindrical belt 12. . In addition, the roller 14
The axis direction of is orthogonal to the axis direction of the cylindrical belt 12.

Further, in the embodiment shown in the drawings, a support panel
The mounting surface of the roller 13 and the mounting surface of the roller 14 with respect to 11 are opposite, and with such a configuration, the supporting portion of the cylindrical belt 12 by the roller 13 and the roller.
The support portion of the cylindrical belt 12 by 14 can be brought closer to each other in the vertical direction. In addition, long holes are provided at both ends of the horizontal rail 15.
15a is formed, and the horizontal rail 15 can be vertically adjusted with respect to the vertical rails 11a on both sides of the support panel 11 through the elongated hole 15a. Thereby, the position of the roller 13 can be adjusted according to the outer diameter of the cylindrical belt 12.
Further, on the roller 14 side, the bracket 17 has a long hole.
17a is formed, and the bracket 17 can adjust the left and right positions with respect to the vertical bars 11a on both sides of the support panel 11 through the elongated holes 17a. This allows the cylindrical belt 12
The position of the roller 14 can be adjusted according to the outer diameter of the roller.

By the way, the cylindrical belt 12 is endlessly hung on the tail pulley 18 and the head pulley 19, and is forcibly opened at the tail pulley 18 to be opened.
The winding portion for 18 is gradually closed by a restoring force, and the head pulley 19 is forcibly opened to gradually close by a restoring force from the winding portion for the head pulley 19. The cylindrical belt 12 is supported between the tail pulley 18 and the head pulley 19 at appropriate intervals in the lengthwise direction by one kind of support panel 11 to support the transport side and the return side at the same time. In the embodiment shown in the drawings, the adjacent support panels 11 are turned upside down, and the cylindrical belt 12 is alternately supported circumferentially and bilaterally on the transport side and the return side.

With such a structure, the four rollers 13 support the weight and shape of the conveying belt side portion of the cylindrical belt 12, and the two rollers 14 support the weight. Further, the return side of the cylindrical belt 12 is supported. Similarly for the part, the weight support and the shape retention are performed by the four rollers 13 and the weight support is performed by the two rollers 14.
The number of the rollers 13 may be three or more, and the point is that the cylindrical belt 12 can be supported from the circumferential direction.

The number of the support panels 11, that is, the mounting pitch interval is appropriately determined according to the amount and weight of the object to be conveyed by the cylindrical belt 12, and if the amount and weight are large, Support panel 11 with a narrow mounting pitch
You can increase the number of. Further, in the above embodiment, the adjacent support panels 11 are turned upside down, and the cylindrical belt 12 is alternately supported circumferentially and bilaterally on the transport side and the return side. Accordingly, it is also possible to arrange the support panel 11 so that the circumferential support portion of the cylindrical belt 12 on the conveying side: the circumferential support portion of the cylindrical belt 12 on the return side is 2: 1.

[0019]

As described above, according to the present invention, it is sufficient to prepare one type of support panel, and the return side portion of the cylindrical belt is also circumferentially supported at a proper position, so that the return side portion is hung. It is possible to provide a cylindrical belt conveyor device that does not generate.

[Brief description of drawings]

FIG. 1 is a schematic perspective view of a cylindrical belt conveyor device according to an embodiment of the present invention.

FIG. 2 is a front view of the support panel.

FIG. 3 is a side view of the support panel.

FIG. 4 is a schematic perspective view of a cylindrical belt conveyor device in a conventional example.

[Explanation of symbols]

 11 Support panel 11a Vertical bar 12 Cylindrical belt 13 Roller 14 Roller 15 Horizontal bar 16 Bracket 17 Bracket 18 Tail pulley 19 Head pulley

Claims (1)

[Claims] 1. A tail pulley and a head pulley are endlessly hung, forcibly opened at the tail pulley, gradually closed by a restoring force from a winding portion for the tail pulley, and forcibly opened at the head pulley. A cylindrical belt conveyor device comprising a cylindrical belt which is gradually closed by a restoring force from a winding portion for a head pulley, wherein a support panel for simultaneously supporting a transport side portion and a return side portion of the cylindrical belt is provided. Three or more rollers that are arranged at appropriate intervals in the length direction and that support either one of the transport side portion and the return side portion of the cylindrical belt on the support panel and the transport side portion of the cylindrical belt. And a return-side portion, which is provided with two rollers that support the other from both sides. Conveyor device.