JPH0223108A - Classifying conveyance control device - Google Patents

Abstract

PURPOSE:To decrease downtime of an equipment to improve the classifying capacity in the device in the caption for reversible conveying equipment such as conveyors, etc. by incorporating a sequential conveyance control device. CONSTITUTION:When a material shifted and loaded on a classifying table 1 is detected by detectors 2, a sequential conveyance control device 3 judges whether a next table in the advancing direction of the material is occupancy- reserved or not by another material from other carrying-in line, by means of a carrying-out line setting given by a carrying cut line setting device 4 and a occupancy-state signal outputted from a table occupancy-reservation device 5. If the table is not reserved for occupancy, a request for reservation is made to the occupancy-reservation device 5. After completion of the reservation, a classifying conveyance-timing generating device 6, a table conveying device 7 are operated to transfer the material. In this way, the material is sequentially shifted and loaded. Downtime of the equipment can thus be decreased, and the classifying capacity can also be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a sorting and conveying control device for sorting objects in reversible conveying equipment such as a conveyor and a roller table, in which objects flow in from both ends.

[Conventional technology]

Figure 2 shows the sorting and conveying equipment in question.
1) is a sorting table with a 4m groove and can be operated individually reversibly, q is a carry-in line that transports objects to be sorted to the sorting table, and Q is a carry-out line that carries objects to be sorted from the sorting table. . Hereinafter, the object to be transported will be simply referred to as a material. Now, loading line A.

Or from B to the sorting table (the transferred materials are transported on the sorting table as indicated by the arrows in the figure so that they are carried out to the intended carry-out lines (C to F). In the example, material transferred from carry-in line A to sorting table a is carried out to one of carry-out lines C, D, or E, and material transferred from carry-in line B to sorting table d is carried out to carry-out line D. , E, and F. Therefore, since materials flow in from both ends of sorting tables b and c, control is necessary to prevent two materials from being placed on one table at the same time. There is a need.

Figure 3 shows a conventional sorting and conveyance control device.
1) is a four-group sorting table capable of reversible operation, (2) is a material detector attached to each sorting table (1) to detect the presence or absence of material on the sorting table, and (4) is a material detector that detects the output light. (5) is a table occupancy reservation device for reserving the table in the direction of material advance and preventing material from entering from the opposite direction; (6) is a device for setting the sorting table (1); (7) is a sorting conveyance timing generator for determining the start/stop timing of each table to convey the materials on the sorting table; (7) is a table conveying control device for individually operating each sorting table;
8) is a table driving device that drives each sorting table.

Next, we will explain the operation of the conventional device shown in Fig. 3.0 First, when materials are transferred to the sorting table (1) a or d, the material detector (2) detects that there is material on the table. The sorting conveyance timing generator (6) uses the material presence signal.
Output to. Next, in the sorting conveyance timing generator (6) that detects that the material has been transferred from the carry-in line to the sorting table, the carry-out line setting of the material concerned outputted by the carry-out line setting device (4) and the table Due to the reservation completion signal output by the reservation device (5), the sorting table between the own sorting table that has just been transferred and the front of the unloading line where the material is intended will be transferred from the other loading line. Based on the listed materials, it is determined whether or not an exclusive reservation has already been made. If no occupancy reservation has been made at this time, the occupancy reservation is made for all sorting tables within the range where the material is to be moved.

That is, a reservation request is made to the table occupancy reservation device (5). After that, the sorting conveyance timing generator (6)
When receiving the reservation completion signal output from the table occupancy reservation device (5), it outputs a table activation signal and its conveyance direction instruction to the table conveyance control device (7).

Upon receiving this, the table conveyance control device (7) determines the operating speed reference value for each sorting table. Finally, the table driving bag B (8) separates each sorting table according to the speed reference value output by the table conveyance control device (7).
Alternatively, they can be driven in conjunction to transport the material to the front of the intended unloading line.

On the other hand, if the material transferred from the carry-in line onto the sorting table is already reserved for occupancy due to the material transferred from the other carry-in line and is being transported, the table occupancy reservation device (5) 1 Now, the reservation request for the material that was transferred onto the sorting table is put on hold, that is, it is kept waiting on that table, and the material that was waiting is placed on hold after the material being transported has been completely removed from the sorting table. Outputs transportation/reservation completion signal.

[Problem to be solved by the invention]

Since the conventional sorting conveyance control device is configured as described above, it works so that the material that is first driven by the sorting table drive device from the carry-in table is carried out to the carry-out line, so that the material is transferred from the carry-in line to the sorting table later. The transferred materials were stopped on the transferred table and kept on standby until the materials being transported first were completed being transferred to the unloading line. Stopping distribution in this way increases the time required for sorting, which poses the problem of reducing the capacity of sorting equipment.

This invention was made to solve the above-mentioned problems, and an object of the present invention is to obtain a sorting and conveyance control device that can improve sorting capacity by reducing the downtime of equipment.

[Means to solve the problem]

The sorting conveyance control device according to the present invention is capable of carrying out a single carry-in line when two carry-in lines are merged into the same carry-out line and carried out.
As long as the conveyance of materials brought in from both lines does not interfere,
An aphasia transport control device that transports each item in the desired direction is incorporated into a conventional sorting transport control device.

[Effect]

In the sorting conveyance control device of the present invention, the aphasia conveyance control device acts to minimize the residence time of the material transferred from the carry-in line on the table, and as a result, the material is carried in from the carry-in line. It acts to shorten the period in which the

[Embodiments of the invention]

Embodiments of the present invention will be described below with reference to the drawings.

In Figure 1, (1), (2), and (4) (8
) are the same as the components of the conventional device shown in FIG. (3
) is an aphasia transport control device.

Next, this operation will be explained using FIG. 2 as well. In the following, the loading line A will be used as an example.

Assuming that materials are transported from both sides of B to unloading line D, materials from side B are first transferred to sorting table d, then materials from side A are transferred to sorting table a, and both sides are transferred to sorting table d. Consider the case where there was no material on the sorting table mill d before it was transferred.

In FIG. 1, first, a material detector (2) attached to a sorting table (1) detects that material has been transferred from carry-in line B to sorting table d.

Based on this signal, the main contractor conveyance control device (3)
Based on the unloading line setting for the material specified by the unloading line setting device (4) and the occupancy status signal output by the table occupancy reservation device (5), the next table in the traveling direction of the material, that is, the sorting table C, is set. It is determined whether an occupancy reservation has already been made for the material brought in from the carry-in line A. In the current example, 1. Since the items have not yet been carried in from the carry-in line A side, the sorting table C is not reserved for exclusive use.

If no occupancy reservation has been made, a request is made to the table occupancy reservation device (5) to reserve the occupancy of the sorting table C for the material on the sorting table d.

Thereafter, in response to the reservation completion signal output from the table occupancy reservation bag @ (5), the sorting conveyance timing generator (6)
In order to transport the material on the sorting table d to the sorting table C, the table conveying device (7)
Outputs the start timing signal and transport direction instruction. Thereafter, the material is conveyed in the same manner as the conventional apparatus. Next, when the material is completely transferred to the sorting table C,
A reservation for occupancy of the sorting table b is made for the material concerned.

Meanwhile, when the material is transferred from A on the opposite side to the sorting table a, the main contractor conveyance control device (3) again transfers the material to the sorting table b, which is the direction of movement of the material, in the same way as above.
Determine whether or not the is reserved for exclusive use. If the material has not yet been reserved for occupancy, sorting table b
After making a reservation for occupancy, transportation will begin.

Therefore, if material is also brought in from side A between the time the material brought in from side B and the time it is completely transferred to sorting table C, both will proceed toward sorting table B and will move along the loading line. Sorting tables a and d transferred from
Materials do not accumulate on the top, and the next material to be sorted can then be carried in from the carry-in line.

In addition, in the above embodiment, the number of carry-in lines is 2. We have shown an example in which the number of discharge lines is 2, where materials are merged from both lines.
The number of carry-in lines and the number of carry-out lines may be greater than that, and the same effect can be achieved by performing first-pack conveyance based on the same concept as in the above embodiment.

〔Effect of the invention〕

As described above, according to the present invention, the material transferred from the carry-in line onto the sorting table is transported toward the intended carry-out line unless the conveyance interferes with the material transferred from the other carry-in line. Therefore, there is less wasted time such as when the sorting table stops and waits, which has the effect of improving the sorting capacity of the entire equipment.

[Brief explanation of the drawing]

FIG. 1 is a configuration diagram of a sorting conveyance control device according to an embodiment of the present invention, FIG. 2 is a layout diagram of sorting conveyance equipment as an example to which the present invention can be applied, and FIG. 3 is a configuration diagram of a conventional sorting conveyance control device. It is a diagram. In the figure, (1) is a sorting table, (2) is a material detector, (3) is a main contractor conveyance control device, (4) is a carry-out line setting device, (5) is a table occupancy reservation device, and (6) is a Sorting conveyance timing generator, (7) is table conveyance control device, (8) is table drive device, αυ is carry-in line, □
□□ is the unloading line. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims (1)

[Claims] In reversible conveyance equipment that conveys objects on a flat surface, objects flow in from both ends of the equipment and are incorporated with a front-loading conveyance control device that can handle cases in which each object is conveyed in a desired direction. sorting conveyance control device.