JP2591674Y2 - Cross conveyor - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cross conveyor which is provided at an intersection of two conveyor lines and branches a load between one conveyor line and another conveyor line.

[0002]

2. Description of the Related Art Conventionally, as this kind of cross conveyor,
For example, one disclosed in Japanese Utility Model Publication No. 54-40610 is known.

FIGS. 16 to 18 show a cross conveyor disclosed in the above-mentioned publication, in which 1 is an anchor base 3.
A conveyor frame provided above and in parallel with the conveyor frame 1 and the anchor base 3
Are connected by parallel swing links 5 respectively. A plurality of rollers 7 are installed in parallel on the conveyor frame 1, and each of the rollers 7 is driven to rotate by a drive motor 11 via a chain 9.

[0004] As shown in FIG. 17, an oblique inner corner of a parallelogram formed by a conveyor frame 1 and an anchor base 3, and a swing link 5 and an anchor base 3.
A hydraulic cylinder 13 is provided between the center and
When the hydraulic cylinder 13 is extended, the swing link 5 rotates around the lower end in the counterclockwise direction in the drawing to push up the conveyor frame 1.

When the conveyor frame 1 is pushed upward in this manner, the load 19 placed on the conveyor 15 on the supply side and reaching the cross conveyor 17 is supported by the rollers 7 on the conveyor frame 1. When the roller 7 is driven to rotate while maintaining this floating state, the load 19 is sent out to another discharge side conveyor line 21 while changing its direction by 90 °. I have.

As another cross conveyor, as shown in FIG. 19, a bearing device 23 composed of a pantograph-like link mechanism is mounted between the conveyor frame 1 and the anchor base 3, and the bearing device 23 is attached. There is also known a structure in which a load 19 that has reached the cross conveyor 25 is supported by rollers on the conveyor frame 1 and floated from the conveyor on the supply side by being operated by the hydraulic cylinder 13.

[0007]

However, in the cross conveyors 17 and 25, since the transport levels of the supply side conveyor 15 and the discharge side conveyor line 21 are different at the time of branching, level adjustment is required. Since the hydraulic cylinder 13, the swing link 5, the support device 23, and the like as a drive device must be mounted between the conveyor frame 1 and the anchor base 3, the cross conveyors 17, 25 are required.
There was a drawback that the height of itself increased.

The cross conveyors 17 and 25 have a structure in which the hydraulic cylinder 13 is operated to lift the conveyor frame 1 and the load 19 is lifted off the conveyor 15 on the supply side. For example, the cross conveyors 17 and 25 are used on international airports. Pallets and containers have a weight of about 7 tons, and large lifting power is required to lift the pallets and containers to make orthogonal branches.

The present invention has been devised in view of such circumstances, and has as its object to provide a cross conveyor capable of branching a load at the same transport level without lifting the load as in the related art.

[0010]

In order to achieve the above object, a cross conveyor according to the present invention includes a roller conveyor having a number of rollers arranged between frames, and a roller conveyor corresponding to each roller. A wheel conveyor equipped with a number of wheels for transporting goods in the direction perpendicular to the transport direction between frames is arranged vertically on an anchor base, and each frame of the roller conveyor and the wheel conveyor is connected via a bracket, respectively. Attach a plurality of lifting / lowering receiving rollers and attach the roller conveyor frame to the anchor base.
The camshafts with multiple cams mounted opposite each other along the arms and in contact with the above-mentioned lifting / lowering receiving rollers are synchronized with each camshaft.
The roller conveyor and the wheel conveyor are alternately moved up and down parallel to the anchor base by the rotation of both camshafts by the driving means, and the two conveyors are rotated. The switching is performed at the same transport level.

[0011]

When the luggage is branched using the cross conveyor according to the present invention, the cross conveyor may be installed at the intersection of two conveyor lines.

[0012] Then, a cap disposed opposite to the anchor base is provided.
The drive shaft rotates the drive shaft to lower the entire wheel conveyor.
Under the luggage is placed on the conveyor line of the supply side reaches on the cross conveyor, not a previously be supported by rollers b Rakonbeya. When to go straight luggage, for example, a roller by driving the driving means of the roller that causes <br/> rotation of luggage becomes be directly fed straight to the discharge side of the conveyor line.

[0013] In addition, the luggage arriving on the cross conveyor is 9
In order to change the direction of 0 ° and feed it to the conveyor line on the discharge side, the drive means rotates both cam shafts to raise the wheel conveyor, thus raising the wheel conveyor.
And, when the wheel of the wheel conveyor in the bottom of the luggage bearing the load contact, since this simultaneously in Russia Rakonbeya is lowered gradually, rotated in either direction the wheel, for example, by driving the driving means of the wheel If this is the case, the load on the cross conveyor will be sent to another discharge side conveyor line by changing the direction of 90 ° by the wheels of the wheel conveyor without moving up and down from the same transport level.

If the load is to be moved straight again, the roller conveyor may be raised by rotating both cam shafts again by the driving means, and the roller conveyor is raised as described above, and each of the roller conveyors is placed at the bottom of the load. When the roller is supporting the load in contact, since the same time wheel conveyor and which is lowered gradually, it is rotated the driving means dello over La, luggage on the cross conveyor without vertically moving the same conveying level Then, the paper is directly sent straight to the discharge side conveyor line by the rollers of the roller conveyor.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an overall perspective view of a cross conveyor according to an embodiment of the present invention. A cross conveyor 27 according to the embodiment includes a roller conveyor 31 disposed on an anchor base 29 as shown in FIG. Wheel conveyor 3 shown
3 and both conveyors 31, 33 are anchor base 2
9 is moved up and down alternately in parallel to both conveyors 31 and 3
3 and two lifting devices 35 for switching at the same transport level .

That is, in FIG.
As shown in FIG. 2, a sprocket 45 is inserted into the end of the shaft 43 of each of the rollers 37 penetrating the frame 39. An endless drive chain 47 is stretched over each sprocket 45. Further, as shown in FIG. 4, a roller drive motor 49 mounted below the roller 37 and one roller 37
An endless drive chain 53 is stretched between the sprocket 51 and the sprocket 51 inserted into the shaft 43a of FIG.
The rollers 37a are transmitted to the rollers 37a via the drive rollers 3 and connected to the rollers 37a via the drive chain 47 so that the rollers 37 rotate simultaneously in the same direction.

As shown in FIGS. 2 and 5, on the lower portions of the inner side surfaces of the frames 39 and 41, lifting and lowering receiving rollers 57 are provided via two brackets 55, respectively, with the center line L interposed therebetween. , 41 are symmetrically attached before and after. Then, as shown in FIGS. 1, 5, and 6,
Anchor base 2 is attached to each of the ascending and descending receiving rollers 57, respectively.
The elevating cams 59 of the elevating device 35 mounted on the left and right sides of 9 are in contact with each other.

The lifting device 35, FIGS. 1 and 7, as shown in FIG. 8, a cam shaft 61 which is disposed opposite on the anchor base 29 along the frame 39, 41, each cam shaft 61
It comprises a lifting drive motor 63 that is driven to rotate at the same time , and lifting cams 59 and 65 that are respectively attached to both ends of each cam shaft 61. When the cam shafts 61 are simultaneously rotated by the respective lifting drive motors 63, the roller conveyor 31 moves up and down in parallel with the anchor base 29 via the lifting receiving rollers 57 abutting on the lifting cams 59. It has become. As shown in FIG. 2, a pair of elevating guide rollers 69 are provided inside the respective elevating receiving rollers 57 via two guide roller units 67 at the lower portions of the inner side surfaces of the frames 39 and 41, respectively. Installed.

The ascending and descending guide rollers 69 are arranged in a C-shape via a guide roller unit 67 as shown in FIGS. 9 and 10, and each of the guide rollers 69 has a cross section attached to the anchor base 29. The roller guide 31 is in contact with the outer slope 71 a of the substantially hexagonal guide post 71, and when the roller conveyor 31 moves up and down, the roller conveyor 31 moves up and down.
Are smoothly guided up and down without being shifted by being guided by the guide post 71.

On the other hand, in FIG. 3, 73, 75, 77, 7
Reference numeral 9 denotes frames arranged side by side along the frames 37 and 39, and the frame 3 between the outermost frames 73 and 79.
They are arranged at intervals smaller than 9, 41. As shown in FIG. 11, a pair of wheel mounting frames 81 and 83 are provided on each of the frames 73, 75, 77 and 79 at intervals smaller than the intervals between the rollers 37 described above.
A large number of wheels 8 are mounted in parallel with each other so as to correspond to the gap between them, and convey a conveyed object in a direction orthogonal to the conveying direction of the roller 37 on the upper side of both wheel mounting frames 81 and 83.
5 are rotatably mounted at predetermined intervals. A wheel tread plate 87 for closing a gap between the rollers 37 is mounted on the upper end of each of the wheel mounting frames 81 and 83. The upper part is exposed.

In FIG. 3, reference numeral 91 denotes a wheel drive motor for driving a wheel 85.
A wheel drive shaft 93 that rotates by driving is disposed along the frame 75, and a sprocket 95 is attached to the wheel drive shaft 93 so as to correspond to the gap between the rollers 37. Each sprocket 95 is connected to two wheels 85a and 85b located at the center via a roller chain 97 as shown in FIGS. 12 and 13, and each of the wheels 85a and 85b is a boundary. Are connected to adjacent wheels 85 via roller chains 99, respectively.

Accordingly, when the wheel drive shaft 93 is rotated by the wheel drive motor 91, the roller chain 97 is rotated.
, The wheels 85 a and 85 b rotate, and the rotational force is transmitted to the other wheels 85 via the respective roller chains 99.

As shown in FIGS. 3 and 14, on the outer side surfaces of the frames 73 and 79, the lifting receiving roller 1 is provided via two brackets 101 extending obliquely upward.
03 is attached, and each elevating receiving roller 103
Are set and arranged so as to come into contact with the elevating cam 65 described above.

Thus, like the roller conveyor 31,
When the cam shaft 61 of the lifting device 35 is rotated at the same time, although the lift up <br/> under parallel to the anchor base 29 via a lift receiving roller 103 wheel conveyor 33 also comes into contact with the respective elevating and lowering cam 65, the In the embodiment, the roller conveyor 31 and the wheel conveyor 3 are rotated by the rotation of the cam shaft 61 of each lifting device 35.
3 Upon Ru is moved up and down alternately, the two conveyors 31 and 33
There lifting cam 59 to so that I cut conversion at the same transport level,
65 shapes are set . Then, the cross conveyor 27 is placed on a conveyor line (not shown) on the supply side.
The luggage that has reached the top is first supported by the rollers 37 of the roller conveyor 31.

In this state, when the cam shafts 61 of the lifting devices 35 are simultaneously rotated by the respective lifting drive motors 63, the wheel conveyor 33 is driven by the roller conveyor 31.
To the wheel conveyor 33 at the bottom of the load.
The wheels 85 contact each other to support the load, and at the same time, the roller conveyor 31 gradually descends, so that the load on the cross conveyor 27 does not move up and down from the same transport level. Conveyor 33
Is sent to another discharge side conveyor line (not shown) by changing the direction by 90 °.

Further, as shown in FIG. 3, a pair of guide rollers for raising and lowering is provided on the outer side surfaces of the frames 73 and 79 of the wheel conveyor 33 via the same two guide roller units 105 as the guide roller unit 67. 107
Each of the elevating guide rollers 107 abuts on the inner slope 71b of the guide post 71 as shown in FIG. 9, and the wheel conveyor 33 is displaced along the guide post 71. It can be moved up and down smoothly without any trouble. FIG. 15 is a side view of the wheel conveyor 33.

Since the cross conveyor 27 according to the present embodiment is configured as described above, the cross conveyor 27 is used on an international airport.
Heavy goods such as pallets and containers are transported on the conveyor line.
In the case of feeding, the cross conveyor 27 may be installed at the intersection of the conveyor lines. And on the anchor base 29
The cam shafts 61 of the lifting devices 35 arranged opposite to each other
The wheel conveyor is rotated at the same time by the
First, the load 33 is lowered, and the load placed on the conveyor line on the supply side and reaching the cross conveyor 27 is first supported by the rollers 37 of the roller conveyor 31. Then, if to go straight to heavy, it is rotated the rollers 37 the roller drive motor 49 and rotated, heavy object and thus fed to the discharge side conveyor line and straight ahead.

The weight that has reached the cross conveyor 27
The sending object to change the direction of 90 ° to the discharge side conveyor line, husband lifting driving motor 63 of the elevating device 35 s
Of the wheel conveyor 33 by simultaneously rotating the cam shaft 61 of the
The it is sufficient in parallel to increase the cross-conveyor 27, Such a wheel conveyor 33 is raised and the wheel 85 of the wheel conveyor 33 at the bottom of the heavy article bearing the contact with heavy <br/>, since b Rakonbeya 31 simultaneously therewith is lowered gradually, it is rotated the wheel 85 rotates the wheel drive motor 91 in either direction, the weight of the cross conveyor 27 is moved up and down from the same conveying level < Without being changed, the wheel 85 of the wheel conveyor 33 is sent to another discharge-side conveyor line while changing its direction by 90 °.

Then, if the heavy object goes straight again,
Again simultaneously camshaft 61 each in the elevator drive motor 63
, And the roller conveyor 31 may be raised.
Such a roller conveyor 31 is raised and the rollers 37 of the roller conveyor 31 at the bottom of the heavy article bearing the load contact, so wheel conveyor 33 is lowered gradually at the same time as this, the roller drive motor 49 Is rotated to rotate the roller 37, the weight on the cross conveyor 27 is reduced.
The goods are transported on the transport level supported by the wheel conveyor 33.
As waiting straight instrument to the discharge side conveyor line by a black Rakonbeya 31 of roller 37 such that vertical movement of Le
So that the issued sent Ri.

As described above, according to the cross conveyor 27 according to the present embodiment, when a load is branched between one conveyor line and another conveyor line, the transport of the supply-side conveyor and the discharge-side conveyor line is performed. Since the level can be set to the same transport level, there is an advantage that the level adjustment as in the related art becomes unnecessary, and the height of the cross conveyor 27 itself can be reduced as compared with the related art.

[0031] Thus also, according to this embodiment, the lift alternately
Roller conveyor 31 and wheel conveyor 33 are transported in the same way
Since it is configured to switch level, the such heavy pallets and containers used in international airports both Con
It is not necessary to lift heavy objects to be orthogonally branched when being transferred between the bearers 31 and 33. Therefore, a large lifting power for lifting and lowering the heavy objects is not required. In addition, this real
In the embodiment, the roller conveyor 31 and the wheel conveyor 33 are used.
The lifting device 35 for raising and lowering alternately is placed on the anchor base 29.
And the heavy objects on the conveyors 31 and 33
From the roller conveyor 3.
1 and wheel conveyor 33 to anchor base 29
It is possible to stably support heavy objects because it is alternately raised and lowered in parallel.
It can be transported.

In the above embodiment, the roller conveyor 31
Roller 37 and wheel 85 of wheel conveyor 33
Are driven by the roller drive motor 49 and the wheel drive motor 91, respectively. However, it is not necessary to provide such drive means for the rollers 37 and the wheels 85, and the cross conveyor of the present invention is connected to the supply side conveyor line. A device may be provided at the intersection of the discharge side conveyor line and push the load manually from the supply side conveyor line, or a separate device may be provided on the supply side conveyor line side to send the load to the cross conveyor.

[0033]

As described above, according to the cross conveyor according to the present invention, when a load is branched between one conveyor line and another conveyor line, the supply side conveyor and the discharge side conveyor line are used. Can be set to the same transfer level, so that level adjustment as in the related art is not required, and the height of the cross conveyor itself can be reduced as compared with the related art.

However, according to the present invention , the b.
Roller conveyor and wheel conveyor at the same transport level.
Since it is configured as replace Ri, receiving a such weight of pallets and containers that are used in international airports between both conveyors
There is no need to lift the heavy object and make it orthogonally branched when passing it over, so that a large lifting power for raising and lowering the heavy object is not required. Also, the present invention relates to a roller conveyor.
Lifting device that alternately raises and lowers the wheel conveyor
Put the heavy object on the conveyor to the left
It is supported from the right, and the lifting device is
Elevating the conveyor alternately parallel to the anchor base
It is possible to stably support and transport heavy objects
It is possible.

[Brief description of the drawings]

FIG. 1 is a perspective view of a cross conveyor according to an embodiment of the present invention.

FIG. 2 is a plan view of a roller conveyor.

FIG. 3 is a plan view of a wheel conveyor.

FIG. 4 is a cross-sectional view of a roller conveyor.

FIG. 5 is a cross-sectional view of a roller conveyor.

FIG. 6 is an enlarged front view showing a contact state between a lifting receiving roller and a lifting cam.

FIG. 7 is a plan view of the lifting device.

FIG. 8 is a side view of the lifting device.

FIG. 9 is an enlarged plan view showing an abutting state of a lifting guide roller and a guide post.

FIG. 10 is an enlarged front view showing an abutting state of a lifting guide roller and a guide post.

FIG. 11 is a partially enlarged side view of the wheel conveyor.

FIG. 12 is a cross-sectional view of a wheel conveyor.

FIG. 13 is a cross-sectional view of a wheel conveyor.

FIG. 14 is an enlarged front view showing a contact state between a lifting receiving roller and a lifting cam.

FIG. 15 is a side view of the wheel conveyor.

FIG. 16 is a side view of a conventional cross conveyor.

FIG. 17 is a front view of a conventional cross conveyor.

FIG. 18 is a plan view of a conventional cross conveyor.

FIG. 19 is a schematic configuration diagram of another conventional cross conveyor.

[Explanation of symbols]

 27 Cross conveyor 29 Anchor base 31 Roller conveyor 33 Wheel conveyor 35 Lifting device 37 Roller 39,41,73,75,77,79 Frame 49 Roller drive motor 57,103 Lift receiving roller 59,65 Lifting cam 61 Cam shaft 63 Lifting Drive motor 69, 107 Elevating guide roller 71 Guide post 85 Wheel 91 Wheel drive motor 93 Wheel drive shaft

Claims (1)

(57) [Scope of request for utility model registration] 1. A roller conveyor in which a number of rollers are arranged in parallel between frames, and a number of wheels for transporting an article in a direction orthogonal to the direction of transport of the rollers corresponding to each roller are mounted between the frames. The wheel conveyor is placed up and down on the anchor base, and a plurality of lifting receiving rollers are attached to each frame of the roller conveyor and the wheel conveyor via brackets, respectively, and along the roller conveyor frame on the anchor base. Opposed arrangement
Is a cam shaft a plurality of cams mounted for contact with the respective lifting the receiving roller, and synchronize each camshaft lifting device comprising a drive means for rotating and mounted, by the rotation of both the cam shaft caused by the drive means Anchor roller and wheel conveyors
-A cross conveyor characterized in that both conveyors are alternately moved up and down in parallel with respect to a base so that both conveyors are switched at the same transport level.