JPH01226621A - Sorting device - Google Patents

Abstract

PURPOSE:To contrive to prevent affection to all articles on the conveyor when a memory means becomes abnormal by letting read means at sorting positions read sort designational information written in the memory means on a sorting conveyor, and thereby letting the article be shipped out when the sorting position is consistent with a set position. CONSTITUTION:Whenever an article rest position A passes through respective sorting positions No.1 through No.4 with a sorting belt conveyor 1 rotated, read means 9a through 9d at the positions No.1 through No.4 automatically read out the sorting position number written in the ID tag 4 about the article rest position A passing through so as to be inputted into article ship-out controllers 10a through 10d. And the controllers 10a and 10d output the drive command to a driving means 12 only when a set sorting position number is consistent with the sorting position number read out of the ID tag 4. If the sorting designational position of an article W is therefore No.3 position, when the article arrives at No.3 position while passing through No.1 and No.2 position, an article ship-out means 13 at No.3 position is automatically actuated so that the article W rested on the position A is shipped out onto a sorting chute 14.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention provides sorting using steel belts or the like. When the load transferred onto the conveyor reaches a predetermined sorting position, the load discharging means is activated to automatically discharge the load on the conveyor onto a shade next to the conveyor. is related to equipment.

(Prior Art) In a conventional sorting device of this kind, a pulse encoder is linked to a conveyor for sorting, and pulses emitted by the pulse encoder are counted from the time the load is transferred onto the conveyor. However, for the previous sorting, when the set value corresponding to the distance to the previous one matches the pulse count value,
It is determined that the predetermined sorting position has been reached, and the central controller outputs a sorting command to the predetermined sorting device to operate the predetermined sorting device.

(Problem to be Solved by the Invention) In the conventional sorting device using the pulse tracking method as described above, if an abnormality occurs in the pulse tracking due to an abnormality in the central controller or a defective pulse encoder, the sorting is performed by are all affected,
It becomes impossible to sort all cargo correctly. or,
Abnormalities are discovered due to the occurrence of many mistakes during sorting, and abnormalities cannot be discovered early and dealt with promptly.Furthermore, when the sorting position is changed or the sorting position is increased or decreased, However, it required a change in the central controller program and additional output wiring work, which had the drawback of requiring a large amount of cost.

(Means for Solving the Problems) The present invention proposes a sorting device that can solve the above-mentioned conventional problems, and the feature is that the sorting device corresponds to the position of each loading device on the conveyor. For sorting, an optical information storage means is attached, and the above-mentioned? Qri! For sorting the transferred loads, a writing means is provided for writing optical information into the storage means corresponding to the position of the load. The sorting is provided with a reading means for reading optical information from the storage means corresponding to the device position, and each sorting is read by the position reading means, and when the optical information matches the position of the sorting, the sorting is in the position. The main feature is that it is configured to operate the attached cargo unloading means.

(Example) An example of the present invention will be described below based on the attached illustrative drawings.

In Fig. 1, reference numeral 1 denotes a sorting belt conveyor, which is driven by a motor 3 controlled by a motor controller 2, and which sorts loads at predetermined loading positions A-L at appropriate intervals. ID as a means of storing information
Tag 4 is attached. Reference numeral 5 denotes a belt conveyor for unloading, which feeds the material onto the sorting belt conveyor 1, and is driven by a motor 7 controlled by a motor controller 6. Reference numeral 8 denotes a tag detection and sorting destination information writing means, which is arranged close to the movement path of the ID tag 4 at a position near the start of the conveyance path by the belt conveyor 1.
9 d is an optical information reading means for sorting, and each sorting unit preset on the conveyance route by the belt conveyor 1 is arranged close to the moving route of the ID tag 4 at a position Nll-Na4. and each sort is at position m1-
It is connected to load unloading controllers 10a to 10d arranged for each Na4. Reference numeral 11 denotes a central controller, which supplies the writing means 8 with a writing signal corresponding to sorting optical information, and also supplies a control signal to the motor controller 6 based on the tag detection signal from the writing means 8.

As shown in FIG.
A load discharging means (diverter) 13 driven by a drive means 12 controlled by the load discharging means 13, and a sorting shade 14 which receives and inherits the loads discharged to the side of the belt conveyor 1. is attached.

To explain how to use the sorting device configured as described above, once the load W is prepared at the unloading position of the belt conveyor 5 for unloading, the motor 7 drives the belt conveyor 5 for thin slicing. The sorting belt conveyor 1 is driven at a predetermined speed by the motor 3.
Above one loading device position, for example, loading position A,
Transfer W. Specifically, for example, the motor 7 is activated at the timing when the 10 tag 4 is detected by the writing means 8.
The belt conveyor 5 for unloading the load is driven, and the load corresponding to the writing means 6 is placed at the! Next loading device position,
For example, the load W can be transferred to the load device position A.

On the other hand, as mentioned above, the central controller 11 receives optical information for the sorting of the MW transferred from the unloading belt conveyor 5 to the sorting belt conveyor 1, that is, the sorting position information, and the operator's unloading information. The sorting of the articles W cut out from the belt conveyor 5 is input in advance by an appropriate method, such as by determining the tip and inputting it via a keyboard or the like.

However, the central controller 11 detects that when the load device position A to which the load W has been transferred as described above reaches the position corresponding to the writing means 8, the ID tag 4 of the first loaded load KA is detected by the writing means 8. When the load W on the loading position A is sorted first (the sorting is done at the position), a write signal corresponding to the destination is output to the writing means 8, and the writing means 8 writes the ID tag 4 at the loading device position A. For sorting, the position - is written.

Sorting is done by rotating the belt conveyor 1. 1jl
In the positioning device, each sort will pass through positions -1 to -4 sequentially, but when each sort passes through positions -1 to Na4, the sorted will move through positions -1 to -4. The reading means 9a to 9d automatically read the sorting position written on the ID tag 4 of the passing cargo IA and input it to the cargo unloading controllers 10a to 10d. The cargo unloading controllers 10a to 10d compare the preset sorting position with the sorting read from the ID tag 4 and move the driving means 1 only when they match.
Since the drive command is output to 2, if the cargo W transferred to the cargo device position A is sorted at, for example, sorting position 3, then the sorting position -1 and arashi 2 will pass through as they are. When the loading device position A reaches the sorting position -3, the unloading means 13 at the position -3 automatically operates, and the loading device 13 at the sorting position A is placed on the loading position A. The iW will be dispensed onto the shade 14 for the sorting at position Na3.

In the drawing, the ID tag 4 is attached so as to protrude above the sorting belt conveyor 1, but in reality, the ID tag 4 is attached so that it does not become an obstacle to dispensing Iw on the conveyor 1. It goes without saying that the position and method of attaching the ID tag 4 (including other storage means) must be considered, such as burying the ID tag 4 so that it does not protrude from the surface of the conveyor belt.

(Operations and Effects of the Invention) As described above, according to the sorting device of the present invention, the light position of the loads transferred to each loading device position on the conveyor corresponds to the loading position. It is written in the storage means (ID tag 4 in the embodiment) on the conveyor, and the optical information of the sort written in this storage means is read by the reading means arranged at the position of each sort. Since the dispensing means is operated, the cargo and the sorting optical information always move together on the sorting conveyor. Therefore, even if an abnormality occurs in the storage means, only the grapes corresponding to the abnormal storage means will not be able to be sorted normally, and unlike the conventional pulse tracking method,
There is no risk that the abnormality will have an adverse effect on all the loads on the conveyor, and if an abnormality occurs in the storage means and normal writing is no longer possible, the abnormality can be automatically detected when writing by the writing means. Therefore, abnormalities in the storage means can be quickly discovered and appropriate countermeasures can be taken at an early stage.

Furthermore, since the load discharging means attached to each sorting position is driven by the reading results of the position reading means, it is not necessary to connect each load discharging controller to a central controller as in the past. Therefore, even if there is a change in position or increase or decrease in sorting,
For sorting, it is only necessary to relocate the equipment installed at the location, that is, the unloading means, its controller, reading means, etc., as a set, and the purpose can be achieved easily and inexpensively.

[Brief explanation of the drawing]

FIG. 1 is a schematic side view, and FIG. 2 is a plan view of the sorting position.

Claims (1)

[Claims] A sorting conveyor is provided with a storage means for sorting optical information corresponding to each loading device position, and the sorting optical information of the load transferred to the loading device position is written in the storage means corresponding to the loading position. At the same time, each sorting position is provided with a reading means for reading the sorting light information from the storage means corresponding to the position of the loading device that has arrived at the sorting position, and the reading means at each sorting position reads the information. A sorting device configured to operate a cargo unloading means attached to the sorting position when sorting light information matches the sorting position.