JPH069029A - Connectable conveyor device - Google Patents

Abstract

PURPOSE:To enable suitable connection between conveyers whether there is an inclined conveyance path or not by opposing an outer connection part of one conveyer to an inner connection part of the other conveyer device and by having a fixture act between the corresponded connection holes. CONSTITUTION:To an inner connection part 10E of one of conveyer devices, an outer connection part 11E of the other conveyer device is opposed, and a fixture 13 is made to act between the corresponded connection holes so that the inner connection part 10E is brought into contact with the face of the outer connection part 11E for connection in the straight line state. Both the conveyer devices are given a predetermined relative angle by being rotated around the connection axis, but with presence of inclination upper faces 10F and 11F and inclination lower faces 10B and 11G end bases 10 and 11 enable desired rotation without collision to each other. Thus, the conveyer devices are connected to each other in the straight line state without dislocated in the conveyance width direction, can be relatively rotated without colliding with each other and can be suitably connected all the time.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a conveyor device which conveys articles via a conveyor driving body such as a belt or a roller.

[0002]

2. Description of the Related Art Conventionally, as a conveyor device of this type,
For example, the conveyor disclosed in Japanese Patent Laid-Open No. 50-124376 is provided. In this conventional configuration, a large number of rollers are arranged in a frame, a conveyor is configured by interlocking these rollers with an electric motor, and a plurality of conveyors are arranged linearly with the end faces of the frame being in contact with each other. ing.

[0003]

In the above conventional type, since the conveyors are not connected to each other,
Deviations in the front-rear direction and the left-right direction will occur due to vibration during use. Further, when forming an inclined conveying path in the middle of the conveyor line, it is not easy to arrange some of the conveyors in an inclined manner, and further, it is not possible to preferably connect the inclined conveyors to the front and rear horizontal conveyors.

An object of the present invention is to provide a conveyor device which can always connect the conveyors preferably regardless of the presence or absence of the inclined conveyance path.

[0005]

In order to achieve the above object, a connectable conveyor device of the present invention comprises a main body frame having a pair of left and right side frames, and a conveying driving body arranged between both side frames. Then, the first end base is attached to one end side of the both side frames, and the second end base is attached to the other end side. The free ends of both end bases have a lower inclined upper surface on the outer side and an upper inclined lower surface on the outer side. One of the outwardly projecting connecting portions is formed on the inner connecting portion located on the inner side in the conveyance width direction, and the other is formed on the outer connecting portion that is opposed to the inner connecting portion from the outside. A connecting hole in the transport width direction is formed in the connecting portion, and a fixture that acts between the matched connecting holes is provided.

[0006]

According to the structure of the present invention, when a predetermined number of conveyor devices are linearly arranged with each end base fixed to the end of the side frame, the end bases are connected to each other. That is, this is performed by causing the outer connecting portion of the other conveyor device to oppose the inner connecting portion of the one conveyor device from the outside, and applying a fixture across the matched connecting holes. When the fixing device is operated in this manner, the inner connecting portion and the outer connecting portion come into contact with each other via the surfaces, so that a linear connection can be made between the two conveyor devices without shifting in the conveying width direction.

When one of the conveyor devices forms an inclined transport path when performing the above-mentioned connection, both conveyor devices are relatively rotated around the connecting axis center of the fixing tool and are set at a predetermined angle. After that, it is fixed with a fixing tool. At this time, due to the existence of the inclined upper surface and the inclined lower surface of the inner connecting portion and the outer connecting portion, each end base can perform desired rotation without colliding with the other side.

[0008]

An embodiment of the present invention will be described below with reference to the drawings. 1 is a main body frame having a pair of left and right side frames 2,
Each side frame 2 has a first dovetail groove 3 formed in the lower portion, a second dovetail groove portion 4 in the inner middle portion, and a third dovetail groove portion 5 in the upper outer portion. The main body frame 1 is constructed by fixing the connecting rod 6 arranged between the lower surfaces of the both side frames 2 to the side frame 2 using the first dovetail groove portion 3. The first end bases 10 are attached to one ends of the side frames 2 and the second end bases 11 are attached to the other ends.

Each of the end bases 10 and 11 has lateral plate portions 10A and 11A that can come into contact with the lower surface of the end portion of the side frame 2 from below, and vertical plate portions 10B that can come into contact with the inner surface of the side frame 2 from inside. , 11B and L
It is formed in a shape (reverse L shape), and the vertical plate portion 10B,
At the front part of 11B, outer plate parts 10C, 11C which can freely come into contact with the end face of the side frame 2 from the outside are integrally formed, and at the lower part of the horizontal plate parts 10A, 11A, an inwardly-opened recess part 10D is formed. , 11D are formed.

Therefore, the end bases 10 and 11 are applied to the end portions of the side frame 2 from below and from outside to form the recesses 10D and 11
Insert the bolt 12 passed from below through D into the first dovetail groove 3
The end bases 10 and 11 can be fixed to the ends of the side frame 2 by being screwed into the plate nut body 7 located inside.

Outer plate portions 10C and 11C of the end bases 10 and 11
Outwardly projecting connecting portions 10E, 11E are integrally formed. Here, from the connecting portions 10E, 11E to the outer plate portions 10C, 11C, the outer upper surface is the lower inclined upper surface 10F, 11F and the outer outer surface is the higher. And inclined lower surfaces 10G and 11G are formed. Further, one of the two connecting portions 10E and 11E is formed on the inner connecting portion 10E located on the inner side in the conveyance width direction, and the other is formed on the outer connecting portion 11E which can oppose the inner connecting portion 10E from the outside. .

Here, both connecting portions 10E and 11E are inner connecting portions.
When the outer connecting portion 11E is opposed (contacted) to 10E from the outside, the overlapping width of both connecting portions 10E, 11E is equal to the end bases 10,11.
Is formed in a step shape with respect to the outer plate portions 10C and 11C so as to fit within the width. Further, the connecting portions 10E, 11E are formed with connecting holes 10H, 11H in the conveyance width direction.
A bolt / nut (an example of a fixture) 13 is provided which acts between the connecting holes 10H and 11H when the connecting holes 10H and 11H are aligned by superimposing 11E.

A transfer driving body is arranged between the both side frames 2. That is, the vertical plate portion 10 in the end bases 10 and 11
Upper bearings 14 are formed in a concave shape on the upper portions of B and 11B so as to open inward and upward, and the outer plate portion 10
A lower bearing portion 15 is formed in a concave shape in a lower portion of C and 11C so as to be open to the inclined lower surfaces 10G and 11G.

Return pulley 16 for both upper bearings 14
Can be attached freely. This return pulley 16 is a pulley shaft
16A and a cylindrical pulley body 16C fitted onto the pulley shaft 16A via a bearing body 16B.
The return pulley 16 is mounted between the vertical plate portions 10B and 11B by dropping the upper pulley portion 14 into the upper bearing portion 14 from above. The upper bearing portion 14 can be closed by a holding plate 17 from above, and the holding plate 17 can be fixed to the vertical plate portions 10B and 11B via bolts 18.

A relay pulley 19 can be mounted on both lower bearings 15. The relay pulley 19 includes a pulley shaft 19A and
This pulley shaft 19A is composed of a cylindrical pulley body 19C externally fitted via a bearing body 19B. By fitting the pulley shaft 19A into the lower bearing portion 15 from below, the relay pulley 19 becomes an outer plate portion. It is installed between 10C and 11C. The lower bearing portion 15 can be closed by a holding plate 20 from below, and the holding plate 20 is attached to the outer plate portions 10C and 11C by bolts 21.
It can be fixed through.

A large number of carrier rollers 22 are arranged between the two side frames 2 between the return pulleys 16, and these carrier rollers 22 are supported on the side frame 2 side by using the second dovetail grooves 4 and brackets. To be done. Drives for conveyors 25
Is a drive frame 26 mounted between the two side frames 2, a motor 27 installed on the drive frame 26, a drive pulley 29 that is linked to its output shaft via a chain transmission 28, and a guide roller 30 and a tension roller 31. Composed of etc.

The pulleys 16, 19, 29 and rollers 22,
A belt 32, which is an example of a driving body for conveyance, extends between 30 and 31.
Is wound. At that time, at the connection between the conveyor devices,
A belt 32 is hung between the relay pulleys 19 facing each other, and a plurality of conveyor devices are configured to be driven by a common drive device 25. The relay pulleys 19 are omitted at the end of the conveyor group.

In both end bases 10 and 11, a meandering preventive device 35 is provided at a position below the vertical plate portions 10B and 11B and inside the upper bearing portion 14. That is, the vertical plate portion 10B,
A guide groove 36 opened inward is formed in the lower part of 11B along the transport direction, and the return roller 37 can be mounted in the guide groove 36 freely. The return roller 37 is composed of a roller shaft 37A and a cylindrical roller body 37C that is fitted onto the roller shaft 37A via a bearing body 37B. The roller shaft 37A is inserted from the inside of the guide groove 36. By being inserted, the return roller 37 is movably supported between the vertical plate portions 10B and 11B in the transport direction.

At the inner ends of the vertical plate portions 10B and 11B, a bolt 38, which is an example of a vertical operation tool, is rotatably disposed via a support portion 39, and the operation portion of the bolt 38 is A handle 38a, which is an example, is fixed to the lower end. The nut body 40 screwed onto the bolt 38 is an example of a lifting member,
The bolt 38 is rotated to move up and down. The nut body 40 has a pin portion 40a protruding inward, and the other end of the connecting rod 41, one end of which is externally fitted to the pin portion 40a, is externally fitted to the roller shaft 37A. Connection rod 41 with shaft 37A
Is relatively rotatably connected via.

The legs 42 are connected via the lateral plate portions 10A and 11A, so that the main body frame 1 can be installed at a predetermined height on the floor. This uses the recesses 10D and 11D to make the horizontal plate 10
This can be done by connecting A and 11A and the leg 38 with a bolt nut 43.

The operation of the above embodiment will be described below. The end bases 10 and 11 are fixed to the ends of the side frame 2 by applying the end bases 10 and 11 to the side frame 2 from outside and from below, and screwing the recesses 10D and 11D into the plate nut body 7 through the bolts 12. You can When a predetermined number of conveyor devices are linearly arranged, the end bases 10 and 11 are connected.

That is, the outer connecting portion 11E of the next conveyor device is opposed to the inner connecting portion 10E of the former conveyor device from the outside, and the connecting holes 10H, 11 are formed.
In the state where H is matched, the bolts and nuts 13 are acted and fixed over the connecting holes 10H and 11H to connect the conveyor devices. When the bolts and nuts 13 are fixed in this manner, the inner connecting portion 10E and the outer connecting portion 11E come into contact with each other via the surfaces, and therefore, the two conveyor devices are linear without being displaced in the conveying width direction. You can connect.

As shown in FIG. 5 when the above-mentioned connection is made, when one conveyor device forms an inclined conveying path, both conveyor devices are relatively rotated around the connecting shaft center by the bolt nut 13. After making a predetermined angle, the bolts and nuts 13 are fixed. At this time, due to the existence of the inclined upper surfaces 10F, 11F and the inclined lower surfaces 10G, 11G between the inner connecting portion 10E and the outer connecting portion 11E, desired rotation can be performed without colliding with the outer plate portions 10C, 11C.

[0024] Before connecting, the left and right end bases 1
The return pulley 16 can be arranged by inserting both ends of the pulley shaft 16A into the upper bearing portion 14 from above between 0 and 10, and between 11 and 11.
By inserting both ends of 19A from below, the relay pulley 19 can be arranged, and these pulleys 16 and 19 are fixed via the pressing plates 17 and 20.

Further, the return roller 37 can be arranged by fitting both ends of the roller shaft 37A into the guide groove 36 from the inside. Before and after this, the belt 32 is wound around the pulleys 16, 19, 29 and the rollers 22, 30, 31 of the plurality of conveyor devices. At that time, in the connection portion between the conveyor devices, the belt 32 is hung between the relay pulleys 19 facing each other,
A plurality of conveyor devices are configured to be driven by a common drive device 25.

By operating the handle 38a from below and rotating the bolt 38, the nut body 40 can be raised and lowered,
As a result, the connecting rod 41 is pushed and pulled, and the roller shaft 37A
Is moved back and forth in the guide groove 36 to displace the return roller 37. At this time, the return roller 37 is separately displaced on the left and right, and the tension force and the tension direction with respect to the belt 32 are arbitrarily changed by inclining the roller axis center orthogonally to the conveying direction or in any direction. Therefore, the winding state of the belt 32 around the return pulley 16 can be adjusted to prevent the belt 32 from meandering.

The conveyor device group constructed as described above is
The belt 32 is moved by driving the motor 27, and the article supported by the belt 32 can be conveyed. At that time, the load of the article is supported by the carrier roller 22 side via the belt 32.

In the above embodiment, the belt is used as the conveying driving member.
Although 32 is shown, this may be a roller conveyor type that is driven via a drive chain or a drive belt, and a roller conveyor type in which an intermediate transmission body that is connectable and separable is interposed between the drive chain and the roller. May be

In the above-described embodiment, the type in which a plurality of conveyor devices are driven by the common driving device 25 has been shown, but this may be a type in which each conveyor device is driven by each driving device 25.

[0030]

According to the present invention having the above-described structure, the conveyor devices can be connected linearly without being displaced from each other in the conveying width direction and can be relatively rotated without colliding with the other side. Therefore, the connection can always be suitably performed regardless of the presence or absence of the inclined transport path.

[Brief description of drawings]

FIG. 1 is a side view of a connecting portion of a conveyor device according to an embodiment of the present invention.

FIG. 2 is a plan view of a connecting portion of the conveyor device.

FIG. 3 is a vertical sectional front view of the meandering prevention device portion.

FIG. 4 is a vertical cross-sectional front view showing a roller supporting state of the meandering prevention device section.

FIG. 5 is a side view of the connectable conveyor device.

FIG. 6 is a plan view of the connectable conveyor device.

[Explanation of symbols]

 1 Main frame 2 Side frame 7 Plate nut body 10 First end base 11 Second end base 10A, 11A Horizontal plate part 10B, 11B Vertical plate part 10C, 11C Outer plate part 10D, 11D Recessed part 10E Inner connecting part 11E Outer connecting part 10F, 11F Inclined upper surface 10G, 11G Inclined lower surface 10H, 11H Connection hole 13 Bolt nut (fixture) 14 Upper bearing part 15 Lower bearing part 16 Return pulley 19 Relay pulley 22 Carrier roller 25 Drive device 32 Belt (conveyor drive unit) 35 Meandering prevention device 36 Guide groove 37 Return roller 38 Bolt (operation tool) 38a Handle (operation part) 40 Nut body (elevation member) 40a Pin part 41 Connection rod

Claims (1)

[Claims] 1. A main body frame having a pair of left and right side frames, and a conveyance driving body arranged between the both side frames, and a first end base is attached to one end side of the both side frames,
A second end base is attached to the other end side, and free ends of both end bases are outwardly projecting connecting portions having a lower inclined upper surface toward the outer side and an upper inclined lower surface toward the outer side, one of which is a conveyance width. The inner connecting portion is formed on the inner side in the direction, and the other is formed on the inner connecting portion so that the outer connecting portion can be opposed from the outside. Also, a connectable conveyor device is provided with a fixture that acts between both connecting holes.