JP2618733B2 - Curve conveyor with belt guide - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a curve conveyor used for transferring a conveyed object between a pair of straight conveyors arranged, for example, at right angles.

2. Description of the Related Art Conventionally, as this type of conveyor, for example,
The structure found in -33264 is provided. In this conventional type, conical idlers are attached to a start end and an end of a frame, and a conveyor belt is extended between these idlers. And a bead is formed on the edge located on the outside of the curve path of the conveyor belt,
A pair of rollers that sandwich and guide this bead from above and below
A large number of sets are arranged in the path length direction corresponding to the action path and the return path.

According to this conventional type, the conveyed object can be conveyed along a curved path by rotating the idler by the driving device and moving the conveyor belt. At this time, the conveyor belt is not deformed during use because the bead is guided by the rollers.

Problems to be Solved by the Invention According to the conventional type described above, since each part supporting the roller is fixed to the frame, it must be mounted on the frame for each model. Cannot be shared. That is, when the conveyor width changes, the diameter of the large diameter side of the idler changes accordingly, and the clamping position of the lower roller group is displaced up and down with respect to the clamping position of the upper roller group. We need to manufacture and prepare guidance devices etc. corresponding to

SUMMARY OF THE INVENTION An object of the present invention is to provide a curve conveyor with a belt guide device that can quickly respond to changes in the width of a conveyor and can share a guide device.

Means for Solving the Problems In order to achieve the above object, a curved conveyor with a belt guide device according to the present invention has a tapered roller having a tapered roller at a start end and an end, and an endless belt stretched between both tapered rollers. In the conveyor, a guided portion is provided at an edge portion of the endless belt that is located outside the curve path, and a support body is provided detachably and position-adjustably on a side frame on a large-diameter side of the tapered roller of the main body frame. On the upper part of the support, an action path side guide device for holding and guiding the guided part of the endless belt from above and below is fixed, and a return for holding and guiding the guided part from above and below under the support. The route-side guide device is mounted so that the vertical position can be adjusted.

According to the configuration of the present invention, by fixing the detachable support to the side frame, both guide devices can be simultaneously attached to predetermined positions of the main body frame. When the two guide devices are arranged in this manner, the level on the operation path side of the endless belt is constant regardless of the change in the conveyor width (model).
The clamping guide via the guided portion by the action route side guide device can be performed without any trouble. The level of the endless belt on the return path side is displaced up and down because the diameter of the large diameter side of the taper roller changes according to the change of the conveyor width. It can be absorbed by adjusting the position vertically. Thus, both guide devices can be shared by various models.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

As shown in FIG. 4, a carry-in conveyor 93 forming a straight path 92 is arranged on the upper side of a curve conveyor 91 forming a curve path 90, and an unloading conveyor 93 forming a straight path 94 on a lower side. 95 are arranged. Therefore, by using the 90-degree curve conveyor 91, the conveyance direction can be changed to 90 degrees in the conveyance direction. However, the conveying direction can be arbitrarily changed by adopting a curve conveyor 91 having a different curve angle, for example, changing to 60 degrees, and by combining two 90 degrees, a curve path extending over 180 degrees is formed. it can.

Next, the details of the curve conveyor 91 will be described with reference to FIGS.

1 is a main body frame having a sectional shape, and a pair of left and right side frames 1
A, 1B and the base frame 1 connecting the lower parts of these side frames 1A, 1B
And C. L-shaped guides 2A and 2B are formed on the inner surfaces of the opposite frames 1A and 1B opposite to each other.
A and 2B are composed of horizontal receiving surfaces 3A and 3B and standing inclined mounting surfaces 4A and 4B. Here, the mounting surfaces 4A and 4B are inclined so that the upper side is inward. In addition, dovetail grooves 6A and 6B that allow the nut bodies 5A and 5B to slide are formed in the upper portions of both side frames 1A and 1B, and are formed on the mounting surfaces 4A and 4B side, and the nut bodies 7A and 7B slide. Dovetails 8A and 8B are formed to open outward.

Tapered rollers 10, 11 are provided at the start end and the end of the curve path 90, respectively, so as to freely rotate. That is, the supporting frames 12A, 12B, 13A, 13B are provided at both ends of the side frames 1A, 1B, respectively.
Are attached in a dowel shape, and the left and right support frames 12A,
Roller shafts 16 and 17 are supported between 12B, 13A and 13B via bearings 14A, 14B, 15A and 15B. An endless belt 18 is stretched between the tapered rollers 10 and 11, and a guided portion 19 is provided on an edge portion of the endless belt 18 located on the outside of the curve path by sewing, welding, integral molding, or the like. The guided portion 19 is formed over the entire length of the edge portion, is made of a flexible material so as to be able to be inverted by the tapered rollers 10 and 11, and is provided on the large-diameter side of the tapered rollers 10 and 11 in order to avoid an inwardly projecting portion. Is step 10
a, 11a are formed. The tension of the endless belt 18 can be adjusted by arranging the support frames 13A and 13B at the start end so that the position can be adjusted.

The operation path side guide device 30 and the return path side guide device 31 for sandwiching and guiding the guided portion 19 from above and below are composed of the main body frame 1.
Provided on the side. That is, the one side frame 1A is provided with a resin support 32 which is supported and guided by the guide portion 2A. The support 32 includes a substrate portion 33 attached to the guide portion 2A, an upper support portion 34 connected inward from the upper inner surface, and a lower support member 35 connected inward from the lower inner surface. And is formed by And the receiving surface of the lower end of the substrate 33
Bolt hole formed in the middle part after contacting (fitting) with 3A and applying its outer surface to mounting surface 4A
With the configuration in which the bolt 37 passed through from the inside is engaged with the nut body 5A, the support 32 can be freely changed in position (slidable) in the frame length direction, and is fixed at the changed position. The action path side guide device 30 includes a pair of upper and lower roller support members 4 fixed to the upper support portion 34 via bolts 40.
1 and 42, and guide rollers 45 and 46 which are freely rotatably mounted on these roller support members 41 and 42 via roller shafts 43 and 44, and these guide rollers 45 and 46 It is arranged to abut from diagonally inside. The return path side guide device 31 includes a roller support member 47 fitted to the bifurcated lower support portion 35 and capable of moving up and down, a cover plate 48 attached to the lower end of the lower support member 35, and a cover plate 48. Formed through hole 49
A bolt 52 is inserted from below through a through hole 50 formed in the roller support member 47 and has a protruding upper end to which a nut 51 is engaged, and a lid plate 48 for moving the roller support member 47 upward.
And a roller shaft provided on the roller support member 47.
It comprises a pair of upper and lower guide rollers 56, 57 which are freely rotatably mounted via 54, 55, and these guide rollers 56, 57 are disposed so as to abut on the guided portion 19 from obliquely inside. . Therefore, the return path side guide device 31 is raised by the elastic force of the spring 53 or lowered by the spring 53 to support the support 32.
The vertical position can be adjusted with respect to. In addition, a table receiving rod 58 is continuously provided inward from the substrate section 33, and an upward locking groove 58a is formed at the inner end thereof.

The above-described action route side guide device 30 and return route side guide device
31 is unitized via a support 32, and a curved path 90
Are arranged along and fixed to the side frame 1A. Note that the side frames 1A and 1B are obtained by, for example, bending the aluminum so as to follow the curve path 90 after extrusion molding of aluminum.

A large number of resin table receiving plates 60 supported and guided by the guide portion 2B are provided on the other side frame 1B along the curved path 90. These table receiving plates 60 are made to abut (fit) the lower end thereof on the receiving surface 3B, and after contacting the outer surface to the mounting surface 4B, are passed from the inside through a bolt hole 61 formed in an intermediate portion. With the configuration in which the bolt 62 is engaged with the nut body 5B, the position can be freely changed (slid) in the frame length direction and fixed at the changed position. An upward locking groove is formed in the upper part of the table receiving plate 60.
60a are formed.

The table 65 is disposed between the both side frames 1A and 1B by locking the locking pieces 65a formed by bending the right and left ends downward into the locking grooves 58a and 60a from above, and the endless belt 18 The back surface of the portion moving along the action path is slidably supported.

One support frame 12A, 1 for supporting the tapered rollers 10, 11
A roller supporting member 26 is also fixed to the upper end of 3A via a bolt 25 or the like, and a guide roller 28 is attached to the roller supporting member 26 via a roller shaft 27 so as to freely rotate. The guide roller 28 is disposed so as to come into contact with the outwardly projecting portion of the guided portion 19 from obliquely inside. At this time, the inwardly projecting portion faces the step portions 10a and 11a as described above. I have. A similar guide roller may be provided on the lower working portion side.

Over one side frame 1A and support frames 12A and 13A,
A metal cover 70 is provided to cover the outside, the top, and the inside of the operation path side guide device 30. That is, the cover body 70 is formed in a gate shape by the outer plate 70a, the upper plate 70b, and the inner plate 70c. Then, the lower end of the outer plate portion 70a is abutted against the side frame 1A from the outside, and a bolt 72 passed from the inside into a bolt hole 71 formed at the lower end is fixed by being fitted to the nut body 7A. The upper plate 70b is placed on the upper roller support member 41. On the inner surface side of the lower end of the inner plate portion 70a located inside the roller support member 41,
Guide member 73A made of extruded aluminum
Are fixed via bolts and nuts 74A.

In the other side frame 1B, the connecting member 76 is fixed by fitting a bolt 78 that has passed through the bolt hole 77 formed in the connecting member 76 from the inside to the nut body 7B. A guide member 73B is fixed to the inner surface of the upper end of the connecting member 76 via a bolt nut 74B.

The taper roller 11 on the end portion side is linked to a rotation drive device 81 via a winding transmission device 80 and the like.

In the curve conveyor 91 of the above embodiment, the support 32 and the two guide devices 30, 31 are commonly used for models having different conveyor widths. That is, by fixing the detachable support body 32 to the side frame 1A via the bolt 37 or the like, the two guide devices 30, 3 are simultaneously arranged at predetermined positions. Here, since the level of the endless belt 18 on the working path side is constant regardless of the change of the conveyor width (model),
Guide rollers 45 and 46, which are fixed in position with respect to the 32 side, can pinch and guide from above and below. Also, the level of the endless belt 18 on the return path side is displaced up and down because the diameter of the large diameter side of the tapered rollers 10 and 11 changes according to the change of the conveyor width, but the amount of this displacement is the elastic force of the spring 53. The roller support member 7 can be absorbed by raising the roller support member 47 or by lowering the roller support member 47 against the elastic force of the spring 53, so that the vertical position can be adjusted with respect to the support body 32 side. The guide rollers 56 and 57 can pinch and guide from above and below.

Such a curve conveyor 91 can be operated by starting the rotary drive device 81. That is, the rotation of the rotation driving device 81 is transmitted to the roller shaft 17 via the winding transmission device 80 and the like, and rotates the taper roller 11. As a result, the endless belt 18 is connected to both guide devices via the guided portion 19 as described above.
It is pinched at 30,31 and moves while being guided.
Therefore, the conveyed object carried in from the carry-in side conveyor 93 is conveyed on the curved path 90, and the carry-out side conveyor 95
Will be passed to. At that time, when the object to be conveyed, the position shift at the time of transfer, or when it is shaken outward due to the centrifugal force at the time of transfer,
The transferred object comes into contact with and is guided by the guide members 73A and 73B. The guide rollers 45, 46, 56, and 57 rotate freely by nipping and guiding the endless belt 18, but these guide rollers rotate in a place that is not exposed, such as in the cover body 70 or inside the side frame 1A. Become.

Effects of the Invention According to the present invention having the above structure, by fixing the detachable support to the side frame, both guide devices can be simultaneously attached to a predetermined position of the main body frame, and the arrangement is easily and quickly performed. be able to. When the two guide devices are arranged in this manner, the level on the working path side of the endless belt is constant regardless of a change in the conveyor width (model). The clamping guide can be performed without any trouble. The level of the endless belt on the return path side is vertically displaced because the diameter of the large diameter side of the taper roller changes according to the change of the conveyor width. By adjusting the position up and down, it can be absorbed and can respond quickly. Therefore, both guide devices can be shared by various models, and can be easily and quickly arranged for each model.

[Brief description of the drawings]

The drawings show an embodiment of the present invention. FIG. 1 is a partially cutaway front view of an intermediate portion of a curved path, FIG. 2 is a side view of the relevant portion, and FIG. FIG. 4 is a partially cutaway plan view. 1 ... body frame, 1A, 1B ... side frame, 10, 11 ... taper roller, 12A, 12B, 13A, 13B ... support frame, 16, 17 ... roller shaft, 18 ... endless belt, 19 ... Guided part, 30 ... Working path side guide device, 31 ... Return route side guide device, 32 ... Support body, 41, 42 ... Roller support member, 45, 46 ... Guide roller, 47 ... Roller support Member, 53: Spring, 56, 57: Guide roller, 65: Table, 70: Cover body, 73A, 73
B: guide member, 81: rotary drive device, 90: curved path, 91: curved conveyor.

Claims (1)

(57) [Claims] 1. A curved conveyor having a tapered roller at a start end and a terminal end, and an endless belt stretched between the tapered rollers. A guide portion is provided, a main body frame, a side frame on the large-diameter side of the tapered roller, a support is provided detachably and position-adjustable.
An operation path side guide device for holding and guiding the guided portion of the endless belt from above and below is fixed, and a return path side guide device for holding and guiding the guided portion from above and below is provided below the support. Conveyor with belt guide device, characterized in that it is adjustable.