JPH06278846A - Transporting device - Google Patents

Abstract

PURPOSE:To provide a transport device which allows omission of the timing adjustment when an object is fed from the first conveyor to the second conveyor arranged at a certain angle to the first and which can smoothly transfer the object from the first to the second conveyor regardless of varying conditions such as the humidity and the weight of object. CONSTITUTION:At a certain spacing, transport rollers 11 are furnished to draw in an object fed from the A side until it collides with a stopper 12, and a transport belt 30 running in the B direction is installed between these transport rollers 11, and when the object is to be draw in, the rollers 11 are heaved by an elevating/sinking mechanism so that they are positioned above the transport belt 30, and when the object is to be sent out in the B direction by this belt 30, the rollers 11 are sunk below the belt 30.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a conveying device having a conveying direction changing device, and more particularly to a conveying device in which a plurality of conveyors are connected at a predetermined horizontal angle, and articles to be conveyed are conveyed on these conveyors. The present invention relates to a transfer device for smoothly transferring an object to be transferred from the upstream conveyor to the downstream conveyor by interposing between the conveyors.

[0002]

2. Description of the Related Art A technique in which a plurality of endless conveyors (belt conveyors, etc.) are connected so as to form a predetermined horizontal angle and the articles to be conveyed are sequentially conveyed to conveyors having different conveying directions so that the articles to be conveyed are conveyed to a desired place. There are various known types. Such a technique is used, for example, in a courier terminal to sort by delivery area, or in a packaging device for articles, the articles are put into a packaging bag and then conveyed to a device that binds the opening of the packaging bag. It is widely used as a means to make. It is indispensable to sequentially feed articles to be conveyed to a conveyor extending in a plurality of directions in the layout of various devices and apparatuses in a limited area.

As an apparatus for packaging articles, for example, as shown in FIGS. 5 and 6, a loading apparatus 3 for loading an article 1 to be packaged in a packaging bag 2 such as a plastic bag, and the loading apparatus. And a first conveyor 4 for sending out the articles 1 loaded in the packaging bag 2 from the loading device 3 from the loading conveyor 3.
A second conveyor 6 extending in a direction orthogonal to the first conveyor at the end side of the second conveyor, and a binding device 7 located laterally of the second conveyor 6 for binding the opening of the packaging bag 2. There is one composed from. Further, on the second conveyor 6, there are provided, at predetermined intervals, a pushing blade 8 for carrying the articles 1 loaded in the packaging bag 2 at predetermined intervals. Further, a stopper 9 is provided in a longitudinal direction at a predetermined position above the second conveyor 6, and the stopper 9 receives the packaging bag 2 loaded with the articles 1 sent from the first conveyor 4. At the same time, the packaging bag 2 is positioned so that its opening is fed into the binding device 7. The packaging bags 2 loaded with the articles 1 delivered from the loading device 3 in this manner are sequentially fed to the binding device 7, and their openings are bound and transported.

[0004]

However, in the transport device in the above-described conventional packaging device, the packaging bag 2 in which the articles 1 are loaded from the first conveyor 4 to the second conveyor 6.
When feeding in, the timing had to be adjusted so as not to collide with the tip of the pushing blade 8, and a separate timing adjusting device was required. Further, in order to send the packaging bag 2 loaded with the article 1 from the first conveyor 4 to the second conveyor 6, the second conveyor 6 does not have the pulling-in capability, and therefore the first conveyor 4 and It is necessary to incline the second conveyor 6 as shown in FIG. However, due to changes in conditions such as humidity and the weight of the articles loaded in the packaging bag 2, the articles cannot be smoothly sent to the position where they hit the stopper 9. In order to avoid this, the transport speed of the first conveyor 4 may be increased, but this is when the articles 1 loaded in the packaging bag 2 by the loading device 3 hit the stopper 9. If the articles 1 are popped out of the bag 2 or the articles 1 loaded in the packaging bag 2 are a plurality of loose articles, there is a problem that the articles arranged with care are destroyed.

On the operation side, when the size of the article 1 loaded in the packaging bag 2 is changed in the loading device 3, the first conveyor 4 is moved to the second conveyor 6 There was a trouble that the feeding timing adjustment of had to be redone. The present invention has been made in order to solve the above-mentioned drawbacks of the prior art, and does not require timing adjustment when feeding a conveyance target from the first conveyor to the second conveyor forming a predetermined angle with the first conveyor. In addition, an object of the present invention is to provide a transfer device that can transfer the transfer target from the first conveyor to the second conveyor without being affected by changes in various conditions such as humidity and the weight of the transfer target. To do.

[0006]

SUMMARY OF THE INVENTION The present invention comprises a first conveyor that travels in a first direction and a second conveyor that travels in a second direction that forms a predetermined angle with the first direction. Then, in the transport device for transporting the article to be transported from the first conveyor to the second conveyor, the end of the first conveyor and the second conveyor are provided.
Transport rollers located between the start ends of the conveyors and configured to rotate in the first direction at predetermined intervals, and are positioned between the predetermined rollers of the transport rollers to rotate in the second direction. Is provided, and the transport roller is configured to vertically move up and down with reference to the transport surface of the transport belt at a predetermined timing. Further, the present invention is characterized in that the transport surface of the first conveyor, the transport surface of the second conveyor, the transport surface constituted by the transport roller rows, and the transport surface of the transport belt are horizontally configured.

[0007]

According to the present invention having the above-described structure, the object to be conveyed, which is sent out from the first conveyor extending in the first direction, is drawn into the direction changing device by the conveying roller, and then the second object is conveyed by the conveying belt. Will be delivered to a second conveyor extending in the direction. Moreover, since the conveyance surface formed by each of the conveyance rollers and the conveyance surface of the conveyance belt keep the conveyance target article drawn in from the first conveyor in a horizontal state, the conveyance target is kept stable in the first state. It can be transferred from a conveyor to a second conveyor.

[0008]

An embodiment of the present invention will be described in detail with reference to the drawings. In the following description, the same parts as those shown in the prior art will be described with the same reference numerals.
FIG. 1 and FIG. 2 are described by taking as an example the case where the transport device of the present invention is applied to a packaging device. The packaging device includes a charging device 3, a first conveyor 4, a transport direction changing device 5, and a second transport device.
It is composed of a conveyor 6 and a bundling device 7. The charging device 3 is similar to a conventional charging device in that the article 1 to be wrapped is wrapped in a bag 2
The bundling device 7 is a device to be loaded inside, and is a device for binding the opening of the packaging bag 2 in which the article 1 is loaded. Even if the binding device 7 is a type in which the opening of the packaging bag 2 is tied with a string,
Further, it may be of a type such as heat welding, and its type is not particularly limited. The first conveyor 4 is, for example, an endless belt type conveyor, extends in the first direction, and is an object to be conveyed in the direction of arrow A (packaging bag 2 in which the article 1 is loaded).
To be transported. Similarly, the second conveyor 6 is also an endless belt type conveyor and is arranged so as to extend in a direction perpendicular to the direction in which the first conveyor 4 extends, and conveys an object to be conveyed in the arrow B direction. The transfer direction changing device 5 is located between the delivery end side of the first conveyor 4 and the input end side of the second conveyor 6, draws in the transfer target sent out from the first conveyor 4, and It is sent to the conveyor 6.

As shown in FIGS. 3 (a), 3 (b) and 4, the conveying direction changing device 5 includes a conveying roller (in the illustrated example, a rotating roller that rotates in the same direction as the traveling direction of the first conveyor 4). 11), a stopper 12 for positioning the article to be conveyed fed from the first conveyor 4 at a predetermined position, and a second conveyor 6 located between the conveyance rollers 11. A conveyor belt 30 that travels in the same direction as the traveling direction, a conveyor roller 11 and a drive mechanism for rotating the conveyor belt 30, and the conveyor roller 11 is vertically moved with the upper surface (conveying surface) of the conveyor belt 30 as a reference. It is composed of a lift mechanism and a moving mechanism. Each of the transport rollers 11 is pivotally supported by a roller holder 13 so as to be axially rotatable, and is connected to a predetermined rotation drive mechanism. As an example of the rotation driving mechanism of the transport roller 11, the bracket 14 and the substrate 1 are provided below the roller holder 13.
5, a motor 16 is provided on the lower side of the substrate 15, and a rotary drive shaft 19 rotatably supported by a drive shaft holder 17 is provided on the upper side. A chain 25 is stretched between a sprocket 21 attached to the motor shaft of the motor 16 and a sprocket 23 attached to the rotary drive shaft 19, and a sprocket 26 attached to the rotary drive shaft 19 and each of the transport rollers 11 is stretched. A round belt 28 is stretched around the shaft, and the rotation of the motor 16 is transmitted to each of the transport rollers 11 by this.
The traveling drive mechanism of the conveyor belt 30 extends in the same direction as the extending direction of the first conveyor 4 on the pivotal end side of the conveyor roller 11 and extends in the direction perpendicular to the traveling direction of the first conveyor 4. Three rotating guide rollers 33a, 33b, 33c and 1
It is composed of a book drive roller 34, a drive motor 36 for rotating the drive roller 34, a sprocket 37 for transmitting the rotation of the rotation shaft of the drive motor 36 to the drive roller 34, and a chain 38. As means for moving the carrying roller 11 up and down with respect to the carrying surface of the carrying belt 30, a predetermined number of lift rods 40 are provided on the lower surface of the substrate 15, and the lift rods 40 are provided on a base 41 such as a hydraulic cylinder. It is performed by connecting to the lifting mechanism 43.

Next, the operation of the above embodiment will be described. The articles 1 to be conveyed by the charging device 3 are charged into the packaging bag 2 and then conveyed by the traveling of the first conveyor 4 to the end of the first conveyor 4. At this time, since the transport roller 11 of the transport direction changing device 5 is located on the upper surface side of the belt 30 and rotates in the same direction as the transport direction of the first conveyor 4, the transport target article is transported. The roller 11 pulls it into the conveyance direction changing device 5.
The article to be conveyed drawn into the conveyance direction changing device 5 in this manner is prevented from further moving in the first direction by the stopper 12. Then, the elevating mechanism 43 is operated to lower the transport roller 11. Then, the article to be conveyed is placed on the conveyor belt 30. Belt 30 at this time
When the drive motor 36 is rotated, the article to be conveyed is laterally conveyed by the belt 30 and is sent onto the second conveyor 6. The opening of the packaging bag 2 loaded with the article 1 to be conveyed, which is conveyed in the second direction by the second conveyor 6, passes through the bundling device 7 and is bundled and sent out. To save power, the rotation of the transport roller 11 may be stopped while the belt 30 is rotating. In this way, the objects to be conveyed, which are sequentially sent from the first conveyor 4 to the transfer direction changing device 5, are intermittently sent to the second conveyor 6.
The operation timing of the elevating mechanism 43 can be freely set by a sensor and a timer. Examples of the mounting location of this sensor include the stopper 12 and the like.
The installation place is not particularly limited.

In the above-described embodiment, the rotation driving sources for the conveying roller 11 and the belt 30 are separated by the respective motors 21 and 37.
However, the present invention is not limited to this, and the conveyance roller 11 and the belt 30 may be driven by a common motor. In this case, a known transmission switching mechanism will be used. Further, the rotation / traveling direction of the transport roller 11 and the belt 30 can be easily changed by changing the way of setting the chains 25 and 38.

[0012]

As described above, according to the present invention, since the conveying direction changing device is provided, it is not necessary to adjust the delivery timing from the first conveyor, and the entire device can be handled easily. Moreover, by using the transporting device of the present invention, it is not necessary to incline the first conveyor extending in the first direction and the second conveyor extending in the second direction to slide the transport target, The object to be conveyed can be smoothly transferred from the first conveyor to the second conveyor. Therefore, when the transporting device of the present invention is used in a packaging device (comprising a charging device, a bundling device, etc.), even if the articles (packages) loaded in the packaging bag are loose, the aligned state can be maintained. It is possible to feed it into the binding device without breaking it.

[Brief description of drawings]

FIG. 1 is a plan view of a carrying device according to an embodiment of the present invention.

FIG. 2 is a side view of the transfer device shown in FIG.

FIG. 3A is a plan view of a transfer direction changing device used in the transfer device of the present invention. (B) It is a side sectional view of a carrying direction changing device used in the carrying device of the present invention.

FIG. 4 is a front sectional view of a carrying direction changing device used in the carrying device of the present invention.

FIG. 5 is a plan view showing a means for changing the carrying direction of a carrying object in a conventional packaging device.

FIG. 6 is a side view showing a means for changing the carrying direction of a carrying target in a conventional carrying device.

[Explanation of symbols]

1 is an article (conveyance target), 2 is a packaging bag (conveyance target), 3 is a loading device, 4 is a first conveyor, 5 is a conveyance direction changing device,
6 is a second conveyor, 7 is a binding device, 8 is a pushing blade, 9 is a stopper, 11 is a conveying roller, 12 is a stopper, 13 is a holder, 14 is a bracket, 15 is a substrate, 1
6 is a motor, 17 is a drive shaft holder, 19 is a rotary drive shaft,
21 is a sprocket, 23 is a sprocket, 25 is a chain, 26 is a sprocket, 28 is a round belt, 30 is a conveyor belt, 33 is a guide roller, 34 is a drive roller, 40
Is a lift rod, 41 is a base, and 43 is a lifting mechanism.

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Yukihiro Hirose 2-27-7 Taito, Taito-ku, Tokyo Hitachi Battery Sales Service Co., Ltd. No. 7 Hitachi Battery Sales Service Co., Ltd.

Claims (3)

[Claims] 1. A first conveyor traveling in a first direction,
A transport device having a second conveyor that travels in a second direction that forms a predetermined angle with the first direction, and transports an article to be transported from the first conveyor to the second conveyor, A plurality of conveyance rollers which are located between the end of the first conveyor and the start of the second conveyor, and which are provided at predetermined intervals so as to rotate about the axis in the first direction; A conveyor belt located between the rollers and rotating in the second direction; and an elevating mechanism for elevating and lowering the conveyor roller with respect to the conveyor surface of the conveyor belt at a predetermined timing. Transport device. 2. The transport surface of the first conveyor, the transport surface of the second conveyor, the transport surface formed by the transport rollers, and the transport surface of the transport belt are configured to extend in the horizontal direction. The carrier device according to claim 1, wherein 3. A conveying direction changing device for loading an article to be packed into a packaging bag, a binding device for binding an opening of the packaging bag, and a binding device for binding a package from the loading device. A first conveyor for transporting to the binding device, and a second conveyor for feeding the packaging bag loaded with the articles sent from the first conveyor to the binding device, the first conveyor and the second conveyor. A transport device in which the conveyor and the conveyor are set at a predetermined angle, wherein the transport direction changing device is disposed between the end of the first conveyor and the start of the second conveyor. .