JPH0781740A - Pipe bar-like object merging and arranging device - Google Patents

Abstract

PURPOSE:To provide a pipe bar-like object merging and arranging device which can merge and arrange pipe bar-like objects which are conveyed in a plural number of rows into one row during conveyance, can do with one post-process facility, and can reduce facility cost. CONSTITUTION:A pipe bar-like object merging and arranging device consists of supply conveyors (5), (6) in a plural number of rows which convey pipe bar- like objects (A), (B) sequentially at a fixed interval, a merging conveyor (7) which receives the pipe bar-like objects which are supplied from each supply conveyor and conveys them sequentially at a fixed interval, and a moving means (8) which moves the pipe bar-like objects on the merging conveyor to a central part of the merging conveyor. The number of pipe bar-like objects to be fed per unit time of each supply conveyor is the same, and the transfer positions (5f), (6f) of pipe bar-like objects of each supply conveyor for the merging conveyor are made different.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a merging and arranging device for merging and aligning glass tubes and other tube rods conveyed in a plurality of rows into one row.

[0002]

2. Description of the Related Art When manufacturing a glass tube for a fluorescent lamp, for example, the tube length of the glass tube varies depending on the wattage of the fluorescent lamp. Such a glass tube is manufactured by cutting a long glass tube continuously manufactured from a glass tube molding machine into pieces each having a certain length. It may be manufactured by cutting a glass tube in half.

In such a case, as shown in FIG. 4, a long glass tube (1) is conveyed by a conveyor (2), and the cutting device (3) cuts the glass tube (1) into halves along the way. The separated short glass tubes (A) and (B) are independently carried to the subsequent process and subjected to predetermined processing, inspection, packing and the like.

[0004]

In the above production line,
In the post-process, the glass tubes (A) and (B) that have been cut and separated each require two units of processing, inspection, packaging, etc., increasing the space occupied in the manufacturing line, and
There was a problem that the equipment cost of them was also high.

The present invention has been proposed in view of the above problems of the prior art, and an object of the present invention is to align the tube rods conveyed by a plurality of conveyors in the course of the conveyance so as to perform a post-process. An object of the present invention is to provide a merging and arranging device for tube rods that requires only one piece of equipment.

[0006]

DISCLOSURE OF THE INVENTION According to the present invention, a plurality of rows of supply conveyors for sequentially conveying tube rods at regular intervals, and tube rods supplied from each supply conveyor are sequentially conveyed at regular intervals. Consisting of a converging conveyor and a moving means for moving the tube rod-shaped material on the converging conveyor to the central part of the converging conveyor, the number of feeds per unit time of each of the supply conveyors is the same, and the confluence of each of the supply conveyors The delivery position of the tube-shaped material with respect to the conveyor is different.

[0007]

In the merging and aligning device, the tube rods are sequentially conveyed by the respective supply conveyors toward the merging conveyor at regular intervals. In this case, since the number of feeds per unit time of each supply conveyor is the same, and since the delivery position of the tube rod-shaped object with respect to the merging conveyor of each supply conveyor is different,
The tube rods do not come into contact or interfere with each other on the merging conveyor, and they are sequentially merged and aligned and conveyed. Then, the tube-like objects on the merging conveyor are brought closer to the central portion of the merging conveyor by the arranging means, aligned in one line, and conveyed to the subsequent process.

[0008]

Embodiments of the present invention will be described below with reference to FIGS. In this embodiment, the tube rods conveyed in two rows are merged and aligned in one row.

The merging and aligning device of this embodiment is shown in FIGS.
As shown in, two rows of first and second supply conveyors (5)
(6) and a single row of merge conveyors (7) and a gathering means (8). In addition, (9) and (10) are conveyors in the previous step.

The first and second supply conveyors (5) and (6)
Is an attachment (5b) (6b) attached to a continuously driven endless chain (5a) (6a) at regular intervals.
The tube rods (A) and (B) are supported and conveyed in parallel one by one via the, and the number of feeds per unit time is the same. In addition, the first and second supply conveyors (5)
In the present embodiment, (6) is the first supply conveyor (5) having three chain wheels (5c), (5d) and (5e), and the second supply conveyor (6) has three chain wheels (6c). ) (6d) (6
Endless chain (5a) in the shape of a triangular triangle by e)
Although the case where (6a) is stretched is shown as an example, it is not limited to this stretched shape.

The merging conveyor (7) is a four-row endless chain (7a) (7a) (7a) that is continuously driven in synchronization.
Outer attachments (7b) (7
b) and the inner attachment (7c) are attached, and the tube rods (A) and (B) supplied from the respective supply conveyors (5) and (6) are attached to the inner and outer attachments (7b).
(7c) and (7b) receive one by one and convey in parallel.
In addition, the attachment (7) inside and outside the merge conveyor (7)
As shown in FIG. 3, b), (7c) and (7b) are installed corresponding to the respective supply conveyors (5) and (6). The shapes of the inner and outer attachments (7b), (7c), and (7b) exemplify a case where the upper surface is formed in a V groove shape.
Other shapes may be used.

The first and second supply conveyors (5) and (6)
The merging conveyor (7) and the merging conveyor (7) are partially intersected with each other so that the pipe rods (A) and (B) can be delivered, and
The delivery positions (5f) and (6f) of the tube rods (A) and (B) with respect to the merging conveyor (7) of the first and second supply conveyors (5) and (6) are different. Specifically, the first
・ Chains (5e) (6) of the second supply conveyor (5) (6)
The position of the shaft of e) is vertically adjusted by the position adjusting means (5g) and (6g) so that the entire first and second supply conveyors (5) and (6) are centered on the shafts of the chain wheels (5c) and (6c). By rotating and displacing as above, the transfer position (5f) (6f)
Is different. The position adjusting means (5g) (6g)
Can be composed of, for example, a combination of a ball screw and a ball nut using a servo motor as a drive source, but is not limited to this, and may be a manually adjustable type or the like. In the case where, as in the present embodiment, those conveyed in two rows are merged into one row, one may be fixedly installed and the other may be position-adjustable.

The gathering means (8) is provided for each supply conveyor (5).
The pipe rods (A) and (B) received from (6) are brought closer to the central portion in the width direction of the merging conveyor (7), and the four endless chain (7a) (7) of the merging conveyor (7).
a) (7a) (7a) and the outer attachments (7b) (7b) and the inner attachment (7c), respectively. In the present embodiment, the approaching means (8) is exemplified by a roller arranged substantially horizontally so as to intersect the axis of the tube rods (A) and (B). In this case, the upper surface of the roller is shown. Is set to be in contact with the tube rods (A) and (B) almost at the same level as or slightly higher than the conveying line of the junction conveyor (7), and the tube rods (A) and (B) are connected to the junction conveyor (7). ) Are rotationally driven in mutually opposite directions so that they can be brought close to the center portion in the width direction. The gathering means (8)
Is not limited to the above-mentioned roller system, and is a tube rod (A).
Depending on the material of (B) and the like, for example, a pair of guide plates arranged so as to narrow the width on both sides of the merging conveyor (7) may be used, or other configurations may be used.

The embodiment of the present invention is constructed as described above, and its operation will be described below. First, each supply conveyor (5)
(6) receives, one by one, the tube rods (A) and (B) conveyed in two rows by the conveyors (9) and (10) in the previous process via the attachments (5b) and (6b), and joins the conveyor. Carry to (7). Then, they are sequentially delivered from the supply conveyors (5) and (6) to the merging conveyor (7) at delivery positions (5f) and (6f). Since the transfer positions (5f) and (6f) are different from each other, the pipe rods (A) and (B) supplied from the supply conveyors (5) and (6) having the same number of feeds per unit time. Is
It is delivered to the merging conveyor (7) in the order of A->B->A->B->A-> B. In this case, the feed speed of the merging conveyor (7) is twice the feed speed of each supply conveyor (5) (6), or the attachments (7b) (7) at the same speed.
c) Install intervals of (7b) for each supply conveyor (5) (6)
1/2 the installation interval of attachments (5b) and (6b)
By selecting various methods and conditions such as the above, the pipe rods (A) and (B) can be merged on the merge conveyor (7). The tube rods (A) and (B) placed on the merging conveyor (7) are moved to the center of the merging conveyor (7) by the arranging means (8) during the transportation, and are arranged in one row. Sent to the next process.

In the above embodiment, the case where the supply conveyor has two rows has been described as an example, but the present invention can be applied to three rows or more. Further, the object to be conveyed is not limited to the glass tube, and can be applied to various tubular objects and rod-shaped objects.

Further, the present invention is not limited to the case where the articles conveyed in a plurality of rows are merged into one row, but the case where the articles conveyed in one row are conveyed to the subsequent process as a single row. Can be combined. For example, in the production of a glass tube for a fluorescent lamp, when the glass tube cut into a certain length is further cut in half, it may be joined as in the above-mentioned embodiment of the present invention. In addition, some products can be commercialized with a fixed length without being cut in half. In such a case, they can be used as they are (combined) by aligning the delivery position of each supply conveyor with respect to the merging conveyor to the same position. .

[0017]

According to the present invention, tube rods conveyed in a plurality of rows can be merged and aligned in one row during conveyance, and a single post-process facility can be used, which leads to a reduction in facility cost. Can be achieved. In addition to the case where the tube rods conveyed in a plurality of rows are merged and aligned in one row during conveyance,
The present invention can be applied to the case where the material conveyed in one row is conveyed to the subsequent process as it is in one row.

[Brief description of drawings]

FIG. 1 is a schematic side view of a merging and aligning device according to the present invention.

FIG. 2 is a schematic plan view of a confluent aligning device according to the present invention.

FIG. 3 is a schematic perspective view showing an example of a merging conveyor and a moving means.

FIG. 4 is a schematic plan view showing a step of separating a tube-like object.

[Explanation of symbols]

 A, B tube rods 5, 6 supply conveyor 7 merging conveyor 8 gathering means

Claims (1)

[Claims] 1. A plurality of rows of supply conveyors for sequentially transporting the rod-shaped articles at a constant interval, a merging conveyor for receiving the tubular rods supplied from each of the supply conveyors and sequentially transporting them at a regular interval, the merging conveyor. It comprises a moving means for moving the upper tube-shaped material to the central part of the merging conveyor, the number of feeds per unit time of each of the supply conveyors is the same, and the delivery position of the tube-shaped material to the merging conveyor of each of the supply conveyors. A device for merging and arranging pipe rods, characterized in that