JPH0521995A - Parts mounting machine - Google Patents

Abstract

(57) [Abstract] [Purpose] To detect whether or not a component is correctly stored in the component cassette before mounting the component on the circuit board, so that the component can be correctly mounted on the circuit board. [Structure] The insertion head 8 is inserted into an insertion hole of the circuit board 28 in a state where the circuit board 28 and the insertion head 8 are relatively positioned.
Therefore, when the components 14 are attached, a component string 12 including a plurality of components 14 attached at predetermined intervals is pulled out from the component cassette 10 along the strip tape 16, and the strip tape 16 is appropriately used. The bar code reader 30 has a structure in which the parts 14 are detached from the inside of the parts cassette 10. The bar code reader 30 has a strip-shaped tape 16 for indicating a storage state of the parts series 12 in the parts cassette 10.
The bar code 32 attached to is read.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component mounting machine capable of automatically mounting a component at a required position on a circuit board with a mounting head.

[0002]

2. Description of the Related Art One of such component mounting machines is an insert machine (component insertion machine). The insert machine is designed to automatically insert the lead terminals of the components into the component insertion holes of the circuit board with the insertion head, which dramatically improves the production efficiency of equipment with circuit boards compared to manual insertion work. It is used in many production plants because it can be increased.

In this insert machine, a plurality of circuit boards are sequentially transferred to a component insertion position by an insertion head, and a series of components drawn out from a component cassette (a plurality of components on a belt-shaped tape at a predetermined interval). Which are attached via the lead terminals.) With a suitable cutter, cut the lead terminals of the parts from the strip tape,
While grasping the cut component with the insertion head, the circuit board is moved back and forth and left and right with the XY table so that the component insertion hole on the circuit board and the insertion head face each other, and the insertion head is directed to the component insertion hole of the circuit board. There is a device in which the lead terminal of the component is inserted into the insertion hole while lowering.

Further, in this case, various parts are mounted on the rail in line with the transfer direction of the circuit board so that the insertion head can grab the part corresponding to the type of the part to be inserted into the part insertion hole. The component cassette containing the components can be transferred, and when the component cassette corresponding to the type of the component is located at the insertion head, the component can be selected from the component cassette.

[0005]

In the case of a series of polar parts, since the parts have polarities in the mounting direction, when the parts are not stored in the part cassette in the correct polarity, the circuit board The lead terminals of the component will be erroneously inserted into the component insertion hole.

In order to prevent such an erroneous insertion, the operator always confirms that the component series is stored in the component cassette with the correct polarity before starting the work. However, he is not accustomed to the confirmation. However, there is a possibility of misunderstanding that the components are mounted on the circuit board with the polarities wrong, and as a result, the components are erroneously inserted into many circuit boards.

Even if the erroneous insertion is found later, it takes a lot of work to correct the erroneous insertion, and the cost for the correcting operation is high. There was a problem that there was no suitable method other than disposal.

Therefore, according to the present invention, it is possible to reliably detect whether or not a component is correctly stored in such a component cassette without relying on an operator and before mounting the component on the circuit board. The purpose of this is to improve the efficiency of component mounting work by ensuring that components are correctly mounted on the circuit board.

[0009]

In order to achieve such an object, in the component mounting machine of the present invention, the circuit board and the mounting head are positioned relative to each other, and the circuit board and the mounting head are mounted at required positions on the circuit board. The component is attached by the attachment head, and at the time of attachment, a component string formed by attaching a plurality of components at predetermined intervals along the strip tape is pulled out from the component cassette, and the strip tape is appropriately used. The component identification device has a component identification device, which has a component identification device, and the component identification device displays a component identification display attached to the strip-shaped tape for indicating a storage state of the component series in the component cassette. It is characterized by being read.

[0010]

[Function] Before the components are mounted on the circuit board, the component identification device reads the component identification mark attached to the strip tape of the component series in the component cassette, and from the read result, the component series is correctly stored in the component cassette. Since it can be confirmed whether or not it is installed, the component is not attached to the circuit board in the wrong state.

[0011]

Embodiments of the present invention will now be described in detail with reference to the drawings. In the present invention, the component mounting machine is applied to the insert machine for description. However, the component mounting machine is not limited to the insert machine, and any machine may be used as long as it is a machine for mounting components on a circuit board.

FIG. 1 is a perspective view showing an overall appearance of an insert machine according to an embodiment of the present invention, and FIG. 2 is an enlarged perspective view of a main part of FIG.

In these drawings, 2 is a base, 4 is a rail for a component cassette which extends in the XX 'direction, and 6 is a rail.
Is a rail for the circuit board, which is also arranged to extend in the XX 'direction, and 8 is an insertion head as a component mounting head. The plurality of component cassettes 10 are arranged side by side along the component cassette rail 4. A component series 12 is stored in each component cassette 10. The component string 12 includes a plurality of components 14 and two strip-shaped tapes 16, 16 at predetermined intervals.
It is attached through the lead terminals of the component 14 between
The parts cassette 10 is housed so as to be pulled out in the YY 'direction.

The cross section of the circuit board rail 6 as viewed in the X direction is U.
Side parts 2 on both sides of the base part 18 to form a mold
0 is provided, and the circuit board transfer section (not shown) provided inside the side section 20 transfers the circuit board (not shown in FIGS. 1 and 2) on the side section 20 in the X direction. At the position of the insertion head 8, the circuit board can be moved in the XY directions by the XY table 22 provided internally.

A cutter unit 24 is attached to the insertion head 8, and the cutter unit 24 is rotated 90 ° in the component connecting direction by the action of the rack and the pinion from the position shown in FIG. 3 to the position shown in FIG. The lead terminal 14 is cut by the cutter portion 26 of the cutter unit, and then the lead terminal is molded in a U-shape to return to the position of the broken line in FIG. And the lead terminal of the component 14 is inserted into the component insertion hole.

With such a structure, in the insert machine of this embodiment, a bar code reader 30 as a component identification device is attached to the insertion head 8 as shown in FIG. 5, and the attaching position is attached to the strip tape 16. A bar code 32 attached to the band-shaped tape 16 at a position where the bar code 32 as a certain component identification display can be read
Indicates the storage state of a series of components in the component cassette 10, the barcode 32 is read by the barcode reader 30 to determine the storage state, and the determination result is, for example, a determination lamp above the insertion head 8. 34
The operator is notified so that the operator can confirm the stored state of the component series from the lighting state of the determination lamp 34 and insert the component into the circuit board.

[0017]

As is clear from the above description,
According to the present invention, the component identification device reads the component identification display attached to the strip tape of the component series in the component cassette, and from the read result, it is confirmed whether the component sequence is correctly stored in the component cassette. By doing so, the components will not be installed in the wrong state on the circuit board. As a result, it is no longer necessary for the operator to check the storage state of the parts in the parts cassette,
The work of attaching the components to the circuit board can be significantly improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing an overall appearance of an insert machine according to an embodiment of the present invention.

FIG. 2 is an enlarged perspective view of an insertion head and a component cassette.

FIG. 3 is a side view of the insertion head and the component cassette used for the operation description.

FIG. 4 is a side view similar to FIG.

FIG. 5 is a plan view of a main part of the embodiment of the present invention.

[Explanation of symbols]

 4 parts cassette rail 6 circuit board rail 8 insertion head 10 parts cassette 12 parts connection 14 parts 16 strip tape 30 bar code reader 32 bar code

Claims (1)

Claim: What is claimed is: 1. A circuit board and a mounting head are positioned relative to each other, and the mounting head is used to mount a component at a predetermined position on the circuit board. It is a structure that pulls out a series of parts, in which a plurality of parts are attached at predetermined intervals along a strip-shaped tape, from the inside of the cassette, and also appropriately removes the parts from the strip-shaped tape. The component identification device reads the component identification display attached to the strip-shaped tape to indicate the storage state of the component series in the component cassette.