JPS6119518A - Production indicator - Google Patents

Abstract

PURPOSE:To automate the discrimination of work type and the indication of parts in a production indicator for a assembly line by reading out discrimination codes on a production indicating board to generate the output signal indicating incorporating part to an incorporating part container for operating an indicating means. CONSTITUTION:A production indicating board 13 together with a work is sent from a subassembly section 12 to a conveyer 21. Said board 13 is attached to a reading unit 31 to read out discrimination cords. Said reading unit 31 sends the discrimination code signal CS to the input of a control unit 32 which reads out the type of the work corresponding to said signal CS from a memory and a work incorporating part list to generate the part indicating signal output DS from the incorporating part code signal and drive indicators 33a-33c of the corresponding part receiving racks 22a-22c for lighting indicating lamps and opening a opening and closing lid. By this constitution can be automated the discrimination of work types and the indication of incorporating parts.

Description

[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to a production instruction device suitable for use on a single-component assembly line, and in particular, the present invention relates to a production instruction device suitable for use on a single-component assembly line. This invention relates to a production instruction device that indicates parts to be assembled during assembly.

[Background of the invention]

In general, with the aim of making efficient use of the assembly line or improving assembly work efficiency, there is a production method in which various types of workpieces are transported on the same assembly line and parts determined according to each workpiece are assembled. It is being In such a production system, the parts to be assembled must be selected according to the types of workpieces that are sequentially conveyed onto the assembly line, but conventionally, one worker has to select the types of workpieces and their corresponding parts in advance. The parts to be assembled are stored in memory, and the operator selects the parts based on the type of work being transported.

However, as the number of types of workpieces and parts to be assembled increases, the burden on workers increases, and there is a risk that errors in judgment of workpiece types and selection of parts to be assembled will occur.

[Purpose of the invention]

An object of the present invention is to provide a production instruction device that can automatically identify the type of workpiece and indicate parts to be assembled.

[Made of inventive board]

In order to achieve the above object, the present invention transports a production instruction board on which an identification code display consisting of one or more openings arranged in correspondence with the type of workpiece is formed. , reading means for reading the identification code of the production instruction board;

An instruction means is provided corresponding to each part at the position where the assembled parts are stored, and the information read by the reading means is
By driving the instruction means according to the j code,
This system automatically identifies the type of workpiece and indicates the parts to be assembled.

[Embodiments of the invention]

The present invention will be explained below based on examples.

FIG. 1 shows an overall configuration diagram of a production line to which an embodiment of the present invention is applied, and FIG. 2 shows a detailed configuration diagram of a sandwich part.

As shown in Figure 1, production line ii Tsuki machining line 1
00 and an assembly line 200, the machine processing line 100 includes a plurality of machining sections 11 that machine materials to form workpieces of predetermined shapes, and a machine processing line 100 that processes the workpieces sent from each machining section 11. It is composed of a subassembly section 12 that is assembled as necessary.
The contents of machining in the machining section 11 are displayed by color and/or code on a production instruction board 13 that is sent sequentially based on a production plan. This production instruction board 1 is formed into a disk shape by using metallization or the like, and as the workpiece moves in the machining line 100, it rolls in the groove of the shooter and moves to the next section. It is now ready to be sent. For example, if the processing instructions specified on the production instruction board 1ro sent to the sub-assembly section 12 do not require assembly of the workpieces, they are sent as is to the assembly line 2.00 along with the workpieces. Since the workpieces require sub-assembly, the workpieces are assembled together and then sent to the assembly line 200.

On the other hand, the assembly line 200 includes a belt conveyor 21 that conveys the workpieces sent from the machining line 100,
A plurality of component shelves 22 (22a, 22b) arranged along the conveyance direction of the conveyor 21.

22C) and an assembly storage area 2 where assembled products are accumulated, each of the component shelves 22a to 22CK.

For example, as shown in the figure, assembly parts P1 to P5, Q
Parts 1 to Qll and R1 to R3 are stored separately.

The production instruction device RO00 includes a reading device 51 that reads the identification code displayed on the production instruction board 13, and receives an identification code signal output from the reading device 51 and generates a predetermined signal corresponding to the identification code. A control device 62 reads the parts to be assembled from an internal memory etc. and outputs a signal instructing the parts to be assembled, and an indicating device @15 (5) provided at a position corresponding to each component on the parts shelf 22.
5a to 330). As shown in FIG. 2, the control device 32 has an input section 32a, an output section 2b,
The CPU 5'2c is composed of a CPIll 132C and a memory 32d, and the cpa5'2c receives the identification code CS output from the reading device 1 through the input section 32'a, and reads the red code corresponding to this identification code GS. Store the parts in memory 32
Read from a and store the assembled part s
The parts instruction signal DS is sent to the instruction devices 35a-15c of 22.
(D81, DS2) is output. As shown in FIG.
Indicator lamps 54 (!+4a to 7J4θ) provided corresponding to storage compartments 24a to 24θ formed corresponding to the respective parts P1 to P stored in 2a, and display lamps 54 (!+4a to 7J4θ) provided at the component ejection ports It is formed of an opening/closing lid 55 (55a to 5e) and an opening/closing lid driving device 57 that drives the 1 indicator lamp 54.

The display lamp driving device 36 receives an input instruction signal D'S,
The parts to be assembled are displayed by lighting one or more indicator lamps 54 corresponding to the parts. The opening/closing lid driving device 57 receives an instruction signal DS! in the same manner. A plurality of opening/closing lids 35 containing parts corresponding to the parts are opened.

As shown in FIGS. 3(A) and 3(B), the production indicator board 15 is made of a circular flat plate made of, for example, metal, which breaks down the rigidity, and is made of metal or the like on the same circumference of the disk surface. A plurality of openings 14 (five in the illustrated example) having a center point at , two large and small positioning holes 15 and 16, and a center hole 17 of a disk are formed. Although the contents of the processing instructions are not shown, they are displayed in different colors and/or codes on the surface of each disc. The identification code indicating the type of workpiece is displayed by the arrangement and combination of the openings 14. For example, a plurality of (n
The type of workpiece is displayed by the number of apertures formed at the aperture setting position of (l)J) and a code based on the arrangement and combination of the apertures. With this, 2
In the illustrated example, 2, ie, 52 types of workpieces can be displayed.

A reading device 51 for reading the identification code displayed on the production instruction board 13 is formed as shown in FIG. 4. FIG. 4 shows a cross section of the reading head section 40 of the reading device 51, and shows the reference bin 41 provided at a position corresponding to the positioning hole 15 of the production instruction plate 15, and the center hole 1.
Sensing section 4 of the proximity sensor provided at a position corresponding to 7
2, and an optical sensor 4 provided corresponding to the aperture setting position.
3 and a positioning pin (not shown) provided corresponding to the positioning hole 16. When inserted, both the positioning hole 16 is inserted into the positioning bin, and the reading position can be adjusted to a predetermined reading position. The sensing portion 42 of the proximity sensor detects that the production instruction plate 15 is set, and starts the operation of the reading device 1. The optical sensor 45 also detects the presence or absence of the aperture 14 at the corresponding aperture setting position and outputs the detection signal to the control device 32. As a means for detecting the presence or absence of the opening 14 as an identification hole, in addition to the above-mentioned method using the optical sensor 45, it is also possible to use a mechanical means such as a roller plunger type midget switch. According to this method, depending on how the production instruction plate 13 is set, variations may occur in the operation of the limit switch, and unless the positional viscosity of the opening 14 and the positional accuracy of the limit switch are made considerably high, errors due to malfunction may occur. There is a risk that detection may occur. In this regard, according to the optical sensor 45, it is possible to increase the tolerance of the relative position between the aperture 14 and the optical sensor 45, and thereby it is possible to eliminate erroneous detection due to malfunction.

The operation of the embodiment configured as described above will be explained below.

When the production instruction plate 15 is sent to the conveyor 21 from the sub-assembly section 12 together with the workpiece, an operator attaches the production instruction plate 15 to the reading head 40 of the reading device 51. As a result, the reading device 31 is activated and the production instruction board 1 is
3 and sends the identification code signal C8 to the input section 52a of the control device 52. The CPU 52Q stores the type of work corresponding to the input identification code signal CS in the memory 52.
θ, reads out one or more assembly parts lists defined corresponding to the workpiece type, and generates a parts instruction signal DS ( DS,,DS2)
is outputted to the display rung drive device 36 and the opening/closing lid drive device 57 via the output section 32b. As a result, the storage compartment 2 in which the parts corresponding to the 1-component instruction signal DS are stored.
The display rung 64 of No. 4 is turned on, and at the same time the opening/closing lid 55 is opened, thereby making it possible to indicate the parts to be assembled. For example, if a workpiece is sent to the conveyor 21 to assemble part P3 in the first assembly section, part Q1 in the first assembly section, and part R3 in the next assembly section, then Parts PB
. Therefore, the operator only has to take out the part to be assembled at the position where the display rung is lit and the opening/closing lid is open and assemble it to the workpiece.

As described above, according to this embodiment, the production instruction board used in the machining line is provided with an identification code display consisting of an array combination of openings representing the & of the workpiece, and this identification code display is transmitted to the optical sensor. The identification code is automatically read by a reading device, and the identification code is displayed with an indicator lamp in the storage compartment where the parts to be assembled are stored, and by opening the opening/closing lid of the outlet of that compartment, Since the type of workpiece is automatically determined and the parts to be assembled are instructed, the operator can simply take out the parts in the section where the rung display or lid is open and assemble them to the workpiece. That's all you need.

Therefore, the burden on one worker is significantly reduced, and erroneous operations such as mistakes in selecting parts to be assembled or forgetting to assemble parts due to incorrect judgment can be eliminated.

In addition, according to this embodiment, the production instruction board used on the machining line is shared, without the need for a separate production instruction board for the assembly line, which simplifies production management and allows the machine to Production management with the processing line can be made consistent.

Moreover, the production instruction board was made into a disc-shaped iron disc.

It can be rolled using a simple means such as a chute and transported to the next section, and has excellent durability.

〔Effect of the invention〕

As explained above, according to the present invention, it is possible to automatically identify the type of workpiece and specify the parts to be assembled, thereby eliminating misjudgment of the workpiece type and making mistakes in selecting the parts to be assembled. This has the effect of eliminating problems such as forgetting to assemble or forgetting to assemble.

[Brief explanation of drawings]

Fig. 1 is an overall schematic configuration diagram of a production line to which an embodiment of the present invention is applied, Fig. 2 is a block diagram of a production instruction device of the embodiment shown in Fig. 1, Fig. 5(A), (B) is the first
A plan view and a sectional view taken along line XX of the illustrated embodiment of the production instruction plate, FIG.
...Conveyor, 22...Parts shelf, 61...
Reading device, 32...Control device, 55...Indicating device, Filter 4...Indication lamp, 35...Opening/closing lid. 36... Display lamp drive device, 57... Opening/closing lid drive device. Agent Unuma. Tatsuno 3rd figure (A) ×- 41st stitch (B) piece

Claims (3)

[Claims] (1) A production instruction device for an assembly process in which predetermined parts are assembled into multiple types of workpieces that are machined based on a production instruction board on which processing instruction contents are displayed, and the production instruction board indicates the types of workpieces. An identification code display consisting of one or more openings arranged corresponding to each workpiece is formed, and a reading means for reading the identification code display on a production instruction board sent corresponding to each workpiece, and an assembly part. an instruction means for instructing the parts to be assembled, which is provided corresponding to each part at a position where the reading means is stored; and a signal for driving the instruction means determined in correspondence with an identification code outputted from the reading means. 1. A production instruction device comprising: a control means for outputting an output. (2) The production instruction device according to claim 1, wherein the instruction means is an indicator lamp. (3) In the invention as set forth in claim 1, the production support device is characterized in that the instruction means is an opening/closing lid provided at an outlet for the part.