JPH03221334A - Part replenishment and replenishment part display device used therefor - Google Patents

Abstract

PURPOSE:To perform the arrangement of an exchanging part feeding unit with a good efficiency and in a short time, by exchanging en block a part feeding unit under the short conditions of parts at a part replenishment position, after performing the part feeding from all of the part feeding units where a part shortage is caused. CONSTITUTION:When a part shortage is caused in an optional part feeding unit 4, while a part feeding from plural kinds of part feeding units 4 at a part feeding position F is performed, the part feeding is performed from the part feeding unit 4 separate from this part feeding unit 4. The part replenishment is then performed by exchanging en block the part feeding unit 4 of part shortage at part replenishment positions Sa, Sb, after performing the part feeding from the part feeding unit 4 excepting all of the part feeding units 4 where the part shortage is caused.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a component replenishment method in an electronic component supply device for supplying electronic components to an electronic component mounting machine, and a replenishment component display device used therefor.

Conventional technology Multiple types of component supply units such as component cassettes loaded with a large number of components of a single type are set on the mounting table of a component supply device that supplies electronic components to an electronic component mounting machine, and a predetermined component is supplied at a component supply position. When parts are supplied from a unit, if any parts supply unit runs out of parts,
Conventionally, parts are replenished by moving the mounting table to a parts replenishment position each time, and replacing parts supply units that are out of parts.

Problems to be Solved by the Invention However, in the conventional example described above, the parts supply unit is replaced every time a part runs out, and moreover, the mounting table is moved from the parts supply position to the parts replenishment position each time. There is a problem in that the component supply work is interrupted due to the time required to set up the unit and move the mounting table, and the operating rate of the component supply device decreases.

In addition, in order to suppress a decline in the operating rate of the parts supply device, it is necessary to stand by so that whenever a part runs out, it can be dealt with quickly, so there is also the problem that it takes time and effort to replenish parts.

SUMMARY OF THE INVENTION In view of the above-mentioned problems, an object of the present invention is to provide a parts replenishment method that can suppress a decrease in the operating rate of a parts supply device and that does not require much time and effort, and a replenishment parts display device used therein.

Means for Solving the Problems In order to achieve the above object, the parts replenishment method of the present invention provides a method for replenishing parts when a parts supply unit runs out of parts while parts are being supplied from a plurality of types of parts supply units at a parts supply position. , parts are supplied from a parts supply unit different from this parts supply unit, and after parts are supplied from the parts supply unit excluding all parts supply units where parts are out of stock, the parts that are out of parts are returned at the parts replenishment position. A feature is that parts can be replenished by replacing the supply unit all at once.

The replenishment parts display device of the present invention is characterized in that it is configured to display the part number of the component supply unit in which the component is out of stock at the component replenishment position of the above-described component supply method.

According to the parts replenishment method of the present invention, even if parts are out of stock, the parts supply work itself can be continued by supplying parts from another parts supply unit, and the parts supply unit can be replaced all at once. Therefore, the setup of the parts supply unit to be replaced can be carried out efficiently and in a short time, and a decrease in the operating rate of the parts supply apparatus can be suppressed.

According to the replenishment parts display device of the present invention, by displaying the part number of the parts supply unit that is out of stock, the part numbers of all the parts supply units to be replaced can be grasped at once. It is possible to improve the workability of the setup and replacement of the component supply unit itself.

Embodiment An embodiment of the present invention will be explained based on FIGS. 1 to 3.

As shown in FIG. 2, the component supply device of this embodiment includes a pair of left and right mounting tables 2a and 2b that are installed on the back of a component mounting machine 1 and are movable independently. Each mounting table 2a, 2b is guided and supported by a rail 3 so as to be able to reciprocate in one direction. In the mounting table 2a on the right side of FIG. 2, the right end position of the rail 2 is a component replenishment position Sa where the component supply unit 4 is loaded. The mounting table 2b on the left side of FIG.
It is said that Further, the position corresponding to the component mounting end 5 of the rail 2 is defined as the component supply position F of each mounting table 2r, 2I.

As shown in FIG. 3, a screw shaft 6 is arranged and fixed below the mounting tables 2a, 2b along the aforementioned direction. A nut portion 7 that is screwed onto the screw shaft 6 and a hollow motor 8 that rotates the nut portion 7 around the screw shaft 6 are installed on the lower surface side of each of the mounting tables 2a and 2b.

Thereby, each of the mounting tables 2a and 2b can be independently reciprocated between the respective component replenishment positions Sa and Sb and the component supply position F.

As shown in FIG. 2, at each of the component replenishment positions Sa and Sb, a replenishment component is displayed indicating the component number #1 to #n of the component supply unit 4 that is out of component on the corresponding mounting table 2a, 2b. A display section 9 is provided. In the supplementary parts display section 9, display lamps 10 for each part number are arranged in the order in which the parts supply units 4 set on each mounting table 2a, 2b are arranged. The arrangement pitch of these indicator lamps 10 and the arrangement pitch of the component supply units 4 set on the mounting tables 2a, 2b are set to be the same, and the mounting tables 2a, 2b are set at the component replenishment position Sa,
When in Sb, the component supply unit 4 whose part number is displayed by lighting the indicator lamp 10 is located directly above the indicator lamp 10.

In the above Ill, a component supply unit 4 for electronic components used for the same production model is mounted on each mounting table 2a, 2b.
(Part numbers #l to #n) are set respectively. The mounting table 2a on the right side is moved to the component supply position F, and the component mounting machine l is moved from the component supply unit 4 of this mounting table 2b.
supplies parts to. The left mounting table 2b is kept on standby at the parts replenishment position sb.

Next, the procedure for parts supply and parts replenishment in this embodiment will be explained based on the flowchart of FIG.

In step #l, the parts supply unit 4 of the mounting table 2a is
Components are supplied based on a predetermined program from step #
In step 2, it is determined whether or not parts are out of stock. If no parts are out of stock, the process returns to step #1 to continue supplying the parts. If a part is out of stock, the process moves to step #3, where the part number of the out-of-part part is displayed by lighting up the corresponding indicator lamp IO in the replenishment part display section 9, and in step #4, parts other than the part that are out of stock are supplied. I do.

In step #5, it is determined again whether or not parts are out of stock. If the part is out of stock again, the process returns to step #3 to display the new part number of the out of part on the supplementary parts display section 9, and the process moves to step #4 and step #5. If no parts are out of stock, the process moves to step #6, and it is determined whether the supply of parts other than parts out of stock has been completed. If the supply of parts has not been completed, the process returns to step #4.

If the supply of parts other than the parts that are out of stock has been completed, step #
7, the mounting table 2a is moved to the parts replenishment position Sa. In step #8, parts are replenished by replacing the parts supply unit 4 in correspondence with the indicator lamp 10 lit on the replenishment parts display section 9. In this way, the parts on the mounting table 2a can be replenished. Incidentally, parts that are out of stock are supplied by moving the mounting table 2b, which has been waiting at the parts replenishment position sb, to the parts supplying position F, and starting from the parts supplying unit 4 set on this mounting table 2b.

In the manner described above, it is possible to supply parts and replenish parts that are out of stock.

The present invention can be configured in various ways other than those shown in the above embodiments. For example, in the above embodiment, there are two mounting tables.
Although a component replenishment method in a component supply device that is divided and movable independently has been described, the number of mounting tables may be one.

Effects of the Invention Since the parts replenishment method of the present invention has the above-mentioned effects, the parts supply work itself can be continued, and
Parts supply units can be replaced all at once.

As a result, it is possible to efficiently set up the replacement component supply unit 7 in a short time, and it is possible to suppress a decrease in the operating rate of the component supply device.

According to the supplementary parts display device of the present invention, it is possible to improve workability in setting up and replacing the parts supply unit 7 to be replaced.

[Brief explanation of drawings]

FIG. 1 is a flowchart of an embodiment of the present invention, FIG. 2 is a plan view showing the overall configuration thereof, and FIG. 3 is a front view of the parts supply device. b ・Placement table Component supply unit Replenishment parts display part Component supply position...--One component replenishment position

Claims (2)

[Claims] (1) While components are being supplied from multiple types of component supply units at the component supply position, when any component supply unit runs out of components, parts are supplied from a component supply unit different from this component supply unit; The present invention is characterized in that after parts are supplied from all parts supply units excluding all parts supply units in which parts are out of stock, parts are replenished by replacing the parts supply units that are out of parts all at once at a parts replenishment position. How to replenish parts. (2) A replenishment parts display device used in the parts replenishment method according to claim 1, characterized in that the part number of the parts supply unit in which the parts are out is displayed at the parts replenishment position.