JPH0643015B2 - Parts mounting device - Google Patents

Description

Detailed Description of the Invention

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component mounting apparatus used for mounting and mounting a component on a mounted body such as a circuit board.

[Prior art]

When various components 4 are mounted and mounted on the mounted body 5 such as a circuit board, mounting is automatically performed using a component mounting device. FIG. 4 shows an operation of the example, in which the tool 6 having a suction port formed at the lower end is moved to adsorb the component 4 to the lower end surface of the tool 6 by a vacuum suction force. While holding the tool 4, the tool 6 is moved upward and further moved laterally to move the component 4 to a predetermined position of the mounted object 5, and then the tool 6 is moved downward to mount the component 4 on the mounted object. 5 is mounted and mounted at a predetermined position. Here, the tool 6 is used by being attached to the mounting apparatus main body 7, and the mounting apparatus main body 7 is operated by program control or the like to automatically move the tool 6 up and down as described above. The component 4 is automatically mounted and mounted. It is necessary to properly use various tools 6 according to the size and form of the component 4, and each tool 6 is housed and arranged in the tool holder 1,
The tool 6 is replaced with the mounting apparatus body 7 according to the components to be mounted. That is, as shown in FIG. 5, the tool holder 1 is provided with a plurality of accommodation holes 11 opened on the upper surface, and the tool 6 mounted on the lower part of the mounting apparatus body 7 by moving the mounting apparatus body 7 downward. Is inserted into the accommodation hole 11, and then the holding of the mounting apparatus body 7 with respect to the tool 6 is released, and the mounting apparatus body 7 is moved upward while the tool 6 is left in the accommodation hole 11, and the mounting apparatus body 7 is moved to another accommodation hole 11. The tool 6 is attached to the mounting apparatus body 7 by moving the mounting apparatus body 7 laterally to the position of the housed tool 6 and moving it downward. 1 in FIG.
Reference numeral 2 is a ball that engages with the tool 6 when the tool 6 is inserted into the mounting recess 14 of the tip mounting portion 13 of the mounting device body 7 and holds the tool 6 in the mounting recess 14, and 15 is the tool 6 A correction chuck claw that is rotationally driven to correct the position of the component 2 adsorbed at the lower end of the tool holder 23 is a ball plunger provided in the tool holder 1 so that the tip portion is inserted into the accommodation hole 11. The ball plunger 23 is used when the tool 6 is inserted into the accommodation hole 11 from above.
The housing hole 11 is pushed by the tip of the
The side surface of the tool 6 housed in is held and the tool 6 is held in the housing hole 11.

[Problems to be Solved by the Invention]

However, when the tool 6 is inserted into the tool holder 1 from above as in the embodiment shown in FIG. 5, the lower end surface of the tool 6 will be displaced when the accommodation hole 11 and the tool 6 are misaligned. There is a risk that the lower end surface of the tool 6 may be damaged by hitting the upper surface of the tool. A suction port 16 is generally formed on the lower end surface of the tool 6 and serves as a surface for sucking the component 3. However, if the lower end surface of the tool 6 is scratched in this manner, the component 3 may not be sucked reliably. There is the problem that there is. In addition, the tool 6 is used for receiving hole
When the tool 6 is housed in the housing 1, the tool 6 is inserted into the housing hole 11 as described above, the holding of the mounting apparatus body 7 to the tool 6 is released, and the mounting apparatus body 7 is left with the tool 6 left in the housing hole 11. When the holding state is insufficient, the mounting device body 7 may be moved up while the tool 6 is still attached to the mounting device body 7, and the tool 6 may be moved to the tool holder 1. There is also a problem that the housing of 6 may not be surely carried out. The present invention has been made in view of the above points, and it is possible to easily store the tool in the tool holder without the risk of scratching the lower end surface of the tool, and moreover, ensure that the tool is stored in the tool holder. It is an object of the present invention to provide a component mounting device that can be performed.

[Means for Solving the Problems]

In the component mounting apparatus according to the present invention, the tool holder 1 is formed with a vertical accommodation slit 2 that opens in both directions at the upper end and both side surfaces, and communicates with the accommodation slit 2 and a locking recess that is open at the side surface of the tool holder 1. 3 forming, locking recess 3
The stopper pressing spring 21 elastically presses the outer surface of the stopper ball 20 housed in the ball housing hole 19 which is formed in the inner part of the tool holder 1 so as to communicate with the inside and the outside of the tool holder 1, A tool 6 for holding the component 4 on the lower part and mounting the component 4 on the mounted object 5 is mounted on the mounting device main body 7
To the tool holder 1 by inserting the tool 6 into the accommodation slit 2 from the side opening, inserting the collar 8 provided in the tool 6 into the locking recess 3, and attaching the tool 6 to the tool holder 1. It is characterized in that it is detachably accommodated.

[Action]

In the present invention, the tool 6 can be moved laterally to be housed in the housing slit 2 from the side surface of the tool holder 1, and the lower end surface of the tool 6 may hit the tool holder 1 during housing. When the mounting device main body 7 is moved upward after the tool 6 is inserted into the accommodation slit 2, the tool 6 has its collar portion 8 locked in the locking recess 3 and the tool 6 is mounted. There is no possibility that the mounting device main body 7 is moved upward while it is attached to the main body 7.

【Example】

Hereinafter, the present invention will be described in detail with reference to examples. The tool 6 is formed of a cylindrical body as shown in FIG. 2, and the suction portion 1 has a lower surface provided with a suction port on the lower surface.
7 is formed, and a collar portion 8 is provided on the outer periphery of the middle step portion so as to project outward. The collar portion 8 is formed in an elongated rectangular shape in a plan view, and the notch portion 22 is formed on the side surface on the longitudinal side thereof.
Is provided. The tool 6 is attached to the mounting device main body 7 so as to project downward by inserting the upper mounting part 18 into the tip mounting part 13 of the mounting device main body 7 and engaging and holding the ball 12 or the like as described above. It is a thing. On the other hand, the tool holder 1 is formed with a longitudinal accommodating slit 2 so as to open on its upper surface and both side surfaces, and further communicates with the accommodating slit 2 on each inner surface and opens on both side surfaces of the tool holder 1. The locking recesses 3 and 3 are formed so as to do so. Therefore, in the tool holder 1, the accommodation slit 2 and the locking recess 3 form a substantially cross-shaped hole in a side view. Further, a ball storage hole 19 that communicates with the inside and outside of the tool holder 1 is provided in the inner part of the one locking recess 3.
The stopper ball 20 is accommodated in the ball accommodating hole 19, and the ball 20 is pressed by the stopper pressing spring 21 attached to the outer surface of the tool holder 1. A plurality of tool holders 1 thus formed are arranged in parallel. In order to replace the tool 6 attached to the mounting device main body 7, first, the mounting device main body 7 is operated to horizontally move the tool 6 as indicated by an arrow a in FIG. As shown in FIG. 1 (a) and FIG. 3, the tool 6 is inserted into the accommodation slit 2 and the flange portion 8 of the tool 6 is inserted into the locking recess 3. In this way, since the tool 6 is inserted from the side of the tool holder 1, even if the alignment of the tool 6 and the accommodation slit 2 is slightly misaligned, the side surface of the tool 6 (particularly the flange portion) is There is no possibility that the lower end surface of the tool 6, which is the surface for picking up the component 4, may hit the tool holder 1 and be damaged only by hitting. When the tool 6 is inserted into the housing slit 2 in this way, the ball 20 pressed by the spring 21 makes elastic contact with the notch 22 on the side surface of the collar 8 of the tool 6 as shown in FIG. 1 (a). The tool 6 is positioned in the accommodation slit 2. Next, when the holding force of the mounting device main body 7 on the tool 6 is released and the mounting device main body 7 is moved upward as shown by the arrow in FIG. 1 (a) (arrow b in FIG. 2), ), The mounting device main body 7 is separated above the tool holder 1 while the tool 6 is left in the tool holder 1, and the tool 6 can be accommodated in the tool holder 1. At this time, since the collar portion 8 of the tool 6 is locked in the locking recess 3, the tool holder 1 does not come off from the mounting device body 7 when the mounting device body 7 is moved upward. It is possible to prevent the tool 6 from coming off above. Then, the mounting device main body 7 is laterally moved as shown by an arrow in FIG. 1 (b) (b arrow in FIG. 2) to a position above the tool holder 1 accommodating another tool 6, and The mounting device body 7 is moved downward as shown by the arrow in FIG. 1 (c) (the arrow b in FIG. 2).
The mounting portion 18 of the tool is inserted into the tip mounting portion 13 of the mounting apparatus body 7, and the tool 6 is mounted on the mounting apparatus body 7. After this, the mounting device main body 7 is horizontally moved to extract the tool 6 from the accommodation slit 2 of the tool holder 1 as indicated by an arrow c in FIG. It can be used for mounting and mounting work.

【The invention's effect】

The component mounting apparatus according to the present invention is configured as described above, and has the following effects. Since the accommodation slits are open in both directions on both sides of the tool holder, not only those that can be accommodated by inserting the tool into the accommodation slits of the tool holder from the openings on both sides, but also in the operation after replacement of the tool, The tool can be moved in either direction. Therefore, there is no risk that the lower end surface of the tool will hit the tool holder and be damaged during the operation of storing the tool in the accommodation slit of the tool holder or removing it from the accommodation slit. It can be performed smoothly and easily. Further, in the operation of the mounting apparatus including the tool exchange, the tool holder can be provided between the substrate, which is the mounted body, and the component supply apparatus, and the tact time can be shortened by performing the efficient operation. Moreover, the outer surface of the stopper ball accommodated in the ball accommodating hole that communicates with the inside and outside of the tool holder at the inner part of one of the locking recesses,
Elastically pressing with the stopper pressing spring means that the tool stored in the accommodation slit of the tool holder is inserted into the accommodation slit from the side opening of the tool holder, and the collar part provided on the tool is In addition to being inserted and stored in the locking recess, there are advantages such that the tool is held and positioned reliably.

[Brief description of drawings]

1 (a), (b) and (c) are front views with a part in section showing the operation of one embodiment of the present invention, and FIG. 2 is a reduced perspective view of the same.
FIG. 3 is a front view of the same as above, FIG. 4 is a schematic perspective view for explaining the mounting of components to a mounted body, and FIG. 5 is a partial sectional view of a conventional example. 1 is a tool holder, 2 is a housing slit, 3 is a locking recess, 4 is a component, 5 is an object to be mounted, 6 is a tool, 7 is a mounting device body, 8 is a collar portion, 19 is a ball storage hole, and 20 is It is a stopper ball.

Claims (1)

[Claims] 1. A tool holder is formed with vertical accommodation slits that open in both directions at the upper end and both side surfaces, and a locking recess that communicates with the accommodation slit and opens on the side surface of the tool holder. The outer surface of the stopper ball housed in the ball housing hole that communicates with the inside and outside of the tool holder at the back of one side is elastically pressed by the stopper pressing spring, and the part is placed at the bottom. A tool for holding and mounting parts on the mounted object is attached to the mounting device main body by projecting downward and detachably attached, and the tool is inserted into the accommodation slit from the side opening and the collar part provided on the tool is locked. A component mounting apparatus characterized in that the tool is inserted into a recess and the tool is detachably accommodated in a tool holder.