JPH08130391A - Parts case changer for parts feed cassette - Google Patents

Abstract

PURPOSE: To send electronic parts chips to a parts feeder when a parts case is changed. CONSTITUTION: This apparatus comprises a carriage 31 which mounts a parts feed cassette 1 for sending electronic parts chips fed from a parts case 4 housing many electronic parts chips to a parts feeder 13 at a parts installing machine via a parts conveying passage and vibrating means 22 to vibrate the carriage. When the case is changed, a vibration generated by this means is transferred to the cassette so as to send the chips to the feeder 13 housed in parts cases.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a new component case exchange device for a component supply cassette. Specifically, when a component case is replaced with a new one, an electronic component chip is sent to the component supply section, and a new component case replacement device for a component supply cassette is provided to prevent the occurrence of an electronic component chip supply error. Is what you are trying to do.

[0002]

2. Description of the Related Art A high speed chip component mounting machine for mounting electronic component chips on a printed circuit board is known. This will be briefly described with reference to FIGS. 6 and 7.

Reference numeral a is a high-speed chip component mounting machine, which is provided with a component supply device b for supplying electronic components chips in a bulked state, that is, in an unloaded state, to a printed circuit board at a substantially central portion. c is a moving base of the component supplying device b, and a large number of bulk cassettes d,
.. are arranged in the moving direction of the moving base c.

The bulk cassette d is known, and an engaging portion (not shown) at its front end is engaged with the front end of the moving base c, and a clamp pawl e provided at its rear end is operated by a clamp lever f. Is attached to the moving base c by engaging with the rear end of the moving base c.

Reference numeral g denotes a bulk case, and a large number of electronic component chips (not shown) are accommodated in the bulk case g. The bulk case g has a thin box shape, and an opening is formed on the front end surface thereof, and the opening is opened and closed by a shutter (not shown).

The bulk case g is engaged with the guide portion h of the bulk cassette d so that the bulk cassette d
And the shutter is slid to open the opening. In this way, the bulk case g
Is set in the bulk cassette d.

When the electronic component chip is taken out from the bulk case g, when the feed lever i of the bulk cassette d is pressed downward by a pressing portion (not shown), positive pressure air is supplied from the air supply hole j, which is shown in the drawing. The electronic component chips that do not pass through the chute one by one are supplied to the component supply unit k near the front end.

Then, the electronic component chips supplied to the component supply section k are taken out by the suction nozzles 1, 1, ... And mounted on the printed circuit board.

[0009]

However, in the bulk cassette d, when all the electronic component chips in the bulk case g set in the bulk cassette d are supplied to the high speed chip component mounting machine a, the high speed chip component mounting is performed. Machine a stops.

Therefore, the bulk cassette d is removed from the moving base c, the empty bulk case g is replaced with a new bulk case g, and the bulk case g is set again on the moving base c.

However, even if a new bulk case g is set, no electronic component chip is supplied to the component supply section k of the bulk cassette d, so that
There was a component supply error to the component mounter a.

[0012]

In order to solve the above-mentioned problems, the component case exchanging device for a component supply cassette of the present invention is mounted with a component case accommodating a large number of electronic component chips and is supplied from the component case. It has a mounting table on which a component supply cassette for sending electronic component chips to a component supply unit to a component mounting machine through a component transport path is mounted, and a vibration generating means provided so as to vibrate the mounting table. The vibration generated by the vibration generating means when the component case is replaced is transmitted to the component supply cassette mounted on the mounting table to send the electronic component chip to the component supply unit.

[0013]

Therefore, in the component case exchanging device for the component supply cassette of the present invention, the vibration generating means is provided so as to vibrate the mounting table on which the component supply cassette is mounted when the component case is replaced with a new one. The vibration generated by is transmitted to the component supply cassette, and the electronic component chip can be sent to the component supply unit for the component mounting machine by the vibration, so when the component supply cassette is set in the component supply device of the component mounting machine. It is possible to immediately supply components to the component mounting machine, and prevent the occurrence of component supply errors as in the conventional case.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the component case exchanging device of the bulk cassette of the present invention will be described below with reference to the illustrated embodiments.
In the illustrated embodiment, the present invention is applied to a bulk case exchange device for a bulk cassette.

First, the bulk cassette will be briefly described before describing the bulk case exchange device for the bulk cassette.

In the figure, reference numeral 1 is a bulk cassette, 2 is a frame as the cassette body, and the required members are attached to the frame 2.

Reference numeral 3 is a frame guide, and the guide 3
And the bulk case 4 is attached.

The bulk case 4 has a flat box shape,
An opening 5 is formed at its front end, and the opening 5 is formed by a shutter 6
It is designed to be opened and closed by. Reference numeral 7 is a knob provided at the base end of the shutter 6, and is located in a facing hole 8 formed on the upper surface. The bulk electronic component chips 9, 9, ... Are housed and supplied in such a bulk case 4. When the bulk case 4 is attached to the bulk cassette 1, the shutter 6 is opened and the opening 5 is opened.

When the bulk case 4 is attached to the bulk cassette 1 as described above, the electronic component chips 9, 9, ...
Is supplied to the inlet portion 11 of the chute 10 serving as a component transport path.

Then, when the pressing portion of the component mounting machine (not shown) presses the feed lever 12, the electronic component chips 9, 9, ... Are supplied to the individual component supplying portion 13.
That is, when the feed lever 12 is pressed, positive pressure air is supplied from a positive pressure air supply device (not shown) connected to the air supply port 14, and the positive pressure air causes the electronic component chips 9, 9 ,. It is supplied to the component supply unit 13 through the chute 10.

Reference numeral 15 denotes an air supply path extending from the air supply port 14 toward the inside.
Is branched into two at its tip, one of which is connected to a component stirring nozzle 16 opened on the lower surface of the inlet portion 11 of the chute 10 and the other is directed to the lower surface of the middle portion of the chute 10 toward the component supply portion 13 side. Is connected to a nozzle 17 for a component chute that is opened. Reference numeral 18 is a check valve inserted at a position near the air supply port 14 of the air supply passage 15 for preventing backflow of the air supplied into the air supply passage 15 to the air supply port 14 side. belongs to.

When positive pressure air is supplied from the air supply port 14, the air is sprayed from the component stirring nozzle 16 and the component chute nozzle 17 through the air supply passage 15 and is positioned at the inlet 11. The electronic component chips 9, 9, ... Are being agitated, and one of them drops into the chute 10 and is sent to the component supply unit 13 by the air jetted from the component chute nozzle 17. To be

By the way, when all the electronic component chips 9, 9, ... Supplied from the bulk case 4 are supplied to the component mounting machine, the component mounting machine stops, so that the bulk cassette 1 is mounted on the component mounting machine. The bulk case 4 needs to be replaced with a new one by removing it from the moving base of the component mounting apparatus.

Reference numeral 19 is a bulk case exchange device for the bulk cassette, and 20 is its base. The base 20 is made of wood in consideration of transportation within the factory, but it is not limited to wood, of course.

Reference numeral 21 is a cassette base installed on the upper surface of the base 20.

Reference numeral 22 is a vibration generator installed on the cassette table 21 and is a known device.

Reference numeral 23 denotes a lower frame formed in a substantially rectangular shape of the vibration generator, and reference numerals 24, 24, ... denote frame piles erected on the upper surface of the lower frame 23 (only one is shown in the figure. And the frame pile 2
An upper frame 25 having a substantially cross shape in a plan view is attached to the upper ends of 4, 24, .... Reference numeral 26 is a connecting plate that connects the side surfaces of the upper frame 25 and the lower frame 23.

On the lower surface of the lower frame 23, a vibration proof rubber 27,
27, ... are attached, and the vibration generated by the vibration generator 22 is at the lower part thereof, that is, the cassette table 2
1 and the base 20 are not transmitted.

On the upper surface of the lower frame 23, a terminal box 28 and two vibrators 29, 29 as driving sources are attached by an attaching means (not shown).

The mounting brackets 30, 30, ... Provided on the upper surface of the upper frame 25 are for mounting the mounting table 31 mounted on the upper frame 25. A rectangular hole 32 is formed on the upper surface of the mounting table 31, and the upper surface is formed in a shape substantially similar to that of the moving base of the component mounting machine.

Then, the bulk cassette 1 which requires replacement of the bulk case 4 is mounted on the mounting table 31 using the clamp claws 34 which are moved by the operation of the clamp lever 33.

Then, the empty bulk case 4 is removed and a new bulk case 4 is attached. However, in this state, the electronic component chips 9, 9, ... Stored in the new bulk case 4 are only solidified at the inlet portion 11 of the chute 10 and have not reached the component supply portion 13. .

Therefore, when a predetermined power supply voltage is applied to the terminal box 28 attached to the upper surface of the lower frame 23, the vibrators 29, 29 are activated to generate vibration, and the vibration is transmitted from the lower frame to the upper frame 25 through the connecting plate 26. Transmitted
Further, it is transmitted to the bulk cassette 1 via the mounting table 32.
Then, due to the vibration, the solidification of the electronic component chips 9, 9, ... That has been solidified at the inlet portion 11 is released, and one of them is sent to the component supply unit 13 through the chute 10.

The electronic component chips 9, 9, ...
・ Bulk cassette 1 of which 9 is sent to parts supply unit 13
Is removed from the mounting table 31 of the bulk case exchange device 19 of the bulk cassette and mounted on the moving base of the component supply device of the component mounting machine (not shown).

As described above, the bulk case changing device 19 of the bulk cassette positions the electronic component chips 9, 9, ... In the component supply unit 13, and then the bulk cassette 1 is set in the component mounting machine. In this case, it is possible to prevent the first supply error of parts after the replacement of the bulk case.

In the above embodiment, the vibration generating means is an electric vibration type using a power source, that is, the vibrators 29, 29 are used, but the invention is not limited to this, and the vibration generating means is operated by a hand or a foot. It is also possible to use an operation unit capable of performing such operation, for example, a device that is provided with a link mechanism that converts a circular motion used in a stepping sewing machine into a linear motion to generate vibration.

Alternatively, an air cylinder using high pressure air may be used as the vibration generating means, and the vibration may be generated by the reciprocating motion of the air cylinder.

[0038]

As is apparent from the above description, the component case exchanging device for the component supply cassette of the present invention is
A mounting base on which a component case for accommodating a large number of electronic component chips is mounted, and a component supply cassette for transmitting the electronic component chips supplied from the component case to a component supply unit to a component mounting machine through a component transfer path, A vibration generating means provided so as to vibrate the mounting table, and transmits the vibration generated by the vibration generating means at the time of replacing the component case to the component supply cassette mounted on the mounting table. Then, the electronic component chip is sent to the component supply unit.

Therefore, in the component case exchanging device for the component supply cassette of the present invention, when the component case is replaced with a new one, vibration is provided so that the mounting table on which the component supply cassette is mounted can be vibrated. Since the vibration generated by the means can be transmitted to the component supply cassette and the electronic component chip can be sent to the component supply unit for the component mounting machine by the vibration, the component supply cassette is set in the component supply device of the component mounting machine. Then, it is possible to immediately supply components to the component mounting machine, and it is possible to prevent the occurrence of component supply error as in the conventional case.

It should be noted that the shapes and structures of the respective parts shown in the above-mentioned embodiments are merely examples of the embodiment when carrying out the present invention, and the technical scope of the present invention is limited thereby. It should not be construed in a conventional way.

[Brief description of drawings]

FIG. 1 is a side view showing an example of an embodiment of a component case exchanging device for a component supply cassette of the present invention together with FIG. 2.

FIG. 2 is an enlarged plan view of vibration generating means.

3 is a schematic perspective view showing the component supply cassette together with FIG. 4. FIG.

FIG. 4 is a schematic cross-sectional view showing an enlarged main part.

FIG. 5 is a perspective view showing a component case.

6 is a schematic view of a component mounting machine together with FIG. 7, and is a perspective view.

FIG. 7 is a side view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bulk cassette (parts supply cassette) 4 Bulk case (parts case) 9 Electronic parts chip 10 Chute (parts conveyance path) 13 Parts supply part 19 Parts case exchange device of parts supply cassette 22 Vibration generator (vibration generation means) 29 Vibrator (Drive source) 31 Mounting table

Claims (4)

[Claims] 1. A component supply cassette for accommodating a large number of electronic component chips is mounted, and a component supply cassette for sending electronic component chips supplied from the component case to a component supply unit to a component mounting machine through a component transfer path is mounted. A mounting table and vibration generating means provided so as to vibrate the mounting table are provided, and the vibration generated by the vibration generating means when the component case is replaced is mounted on the mounting table. A component case exchange device for a component supply cassette, characterized in that the electronic component chips are transmitted to the component supply cassette to be sent to the component supply section. 2. The component case exchanging device for a component supply cassette according to claim 1, wherein the vibration generating means generates vibration by a driving source driven by a power source. 3. The vibration generating means has an operation section that is operated to move artificially, and the vibration is generated by a driving force that accompanies the movement of the operation section.
The component case exchange device for the component supply cassette according to [4]. 4. The component case exchanging device for a component supply cassette according to claim 1, wherein the vibration generating means generates vibration by reciprocating driving of an air cylinder.