JPH07105633B2 - Parts mounting machine - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a component mounting machine having a mounting head including an illumination unit that illuminates a component suctioned by a suction nozzle.

[Prior Art] A component mounting machine for mounting electronic components on an electronic circuit board is required to have various functions in recent years as the types and shapes of electronic components are diversified. For example, it may be necessary to replace the suction nozzle together with the control claw that controls the position of the component depending on the type of component or work type such as the size of the component to be suctioned. As a replacement part mounting device, for example, Japanese Patent Laid-Open No. 63-16 has been proposed by the present applicant.
It is disclosed in Japanese Patent Publication No. 700.

The exchanging device is configured such that a mounting head including a suction nozzle and a position regulating claw for positioning a component sucked by the suction nozzle is detachably attached to a component mounting portion on which the component is mounted, and the mounting head is A plurality of mounting heads are provided, and a predetermined mounting head can be selected from the plurality of mounting heads so as to be attached to and detached from the component mounting portion.

[Problems to be Solved by the Invention] However, such a replacement device has a problem that it cannot be applied to a case where a component is illuminated and the component position is recognized and mounted by the confirmation device without using the position regulating claw.

SUMMARY OF THE INVENTION In order to solve the above-mentioned conventional techniques, an object of the present invention is to provide a device which has a simple structure and which integrally replaces a mounting head including an illumination unit and a suction nozzle.

[Means for Solving the Problems] In order to achieve the above object, the component mounting machine of the present invention includes a suction nozzle that sucks a component, and an illumination unit that illuminates the suction component that can be inserted through the suction nozzle. A component mounting machine comprising: a mounting head provided; and a component mounting section that mounts a component on a substrate by integrally holding the mounting head so that the mounting head can be moved up and down, and the mounting head comprises: A plurality of support flanges each having an upper end formed with a mounting hole into which a fitting portion of a support shaft of the component mounting portion is fitted and engaged are provided, and the lighting unit is elastically movable in a direction of inserting and removing the support flanges. The contact pin is provided and is always biased in the direction in which it is provided with a working flange and is separated from the support flange, and the mounting head is held by the component mounting portion by a compression reaction force between the working flange and the support flange. ,And Power is supplied from the component mounting portion side to the illumination unit by contacting the contact pin with the electrode provided on the component mounting portion side in a constantly biased state.

[Operation] According to the present invention having the above-described configuration, a mounting head having a lighting unit and a suction nozzle is detachably provided on the mounting head so as to illuminate the component sucked by the suction nozzle. It can be replaced integrally.

Further, the mounting head is securely held by the holding portion by the compression reaction force acting between the supporting flange and the working flange (collar), and the raising and lowering operation of the support shaft is used to exert the holding force. Therefore, the holding member side does not require a holding operation member.

Further, it is possible to easily supply power to the lighting unit.

[Embodiment] An embodiment of the present invention will be described below with reference to FIGS. 1 to 10. In FIG. 10 showing the overall arrangement of the component mounting machine, 1 is a component supply unit, 2 is a mounting head, 3 is a circuit board transfer device, and 4 is a mounting head replacement device.

The mounting head 2 is a movable body as a component mounting unit that moves in the XY direction between the component supply unit 1 and the circuit board positioned at a predetermined position on the transfer unit 3 and the exchange unit 4 to mount the component. It is attached to 5.

Prior to the description of the exchange device 4, the details of the mounting head 2 will be described with reference to FIGS. 7 to 8. Reference numeral 11 is a hollow shaft having a support flange 12 formed at its upper end, and a suction nozzle 13 is provided at its lower part.
Is mounted so as to be able to move in and out so as to project. Hollow shaft
As shown in FIG. 9, a mounting hole into which a fitting portion 15 formed at the lower end of a hollow support shaft 14 vertically movably projecting downward from the moving body 5 is fitted into the upper end portion of 11 16 are formed. Further, the support flange 12 has an engaging groove 15a formed in the fitting portion 15 so as to elastically project into the mounting hole 16.
An engaging piece 17 for engaging with is provided. An abutment plate 18 with a spigot joined to the upper surface of the support flange 12 is attached to the fitting portion 15 of the support shaft 14, and the engagement plate 18 is engaged with a pin hole 19 bored in the support flange 12. A mating anti-rotation pin 20 is projected.

An illumination unit 21 is slidably / rotatably fitted onto the hollow shaft 11. The illumination unit 21 is biased by the compression spring 22 against the collar receiving member 50. The collar 23 of this lighting unit 21 has a pin 24.
Is provided and engages with a groove (not shown) provided in the collar receiving member 50. Since the compression spring 22 urges the illuminating section 21 via the bearing 25, the hollow shaft 11 and the illuminating section 21 do not restrict the movement in the sliding and rotation directions from each other.

A printed circuit board 27 on which a light emitting diode 26 is surface-mounted is fixed to the illuminating section 21, and electrode pins 28a and 28b for supplying the power are arranged.

The plate 29 holding the collar receiving member 50 is
Electrodes 30a and 30b are arranged at positions facing the electrode pins 28a and 28b, and when the support flange 12 abuts on the abutment plate 18, the electrode pins 28a and 28b and the electrodes 30a and 30b abut on each other to form a light emitting diode. Supply power to 26.

Next, details of the exchanging device 4 for exchanging the mounting head with respect to the moving body 5 will be described with reference to FIGS. 1 to 4. A pair of brackets 4 facing each other with appropriate spacing
A pair of upper and lower guide rods 42 are provided in parallel between 1 and 41 in three rows.

A holding member 43 is movably attached to each row of the guide rods 42. Each holding member 43 is a guide rod.
The movable members 44 movably supported by the 42, and the movable members 44
The holding portion 45 of the mounting head 2 disposed on the upper part of the. The holding portion 45 is formed in a substantially U shape having an opening portion at one side in the moving direction of the movable member 44 in plan view. As shown in FIG. 4, the holding portion 45 has a holding groove 47 formed on the inner side surface of the support pieces 46 on both sides of the upper part, into which the outer peripheral portion of the support flange 12 of the mounting head 2 is fitted and engaged, and the support piece 46.
A collar receiver 48 for receiving the collar 23 of the mounting head 2 from below is provided below the. The flange receiver 48 is arranged so as to receive the flange 23 in a state in which the space between the support flange 12 and the flange 23 is compressed and the compression reaction force acts. Further, a positioning pin 49 of the mounting head 2 that engages with a notch (not shown) formed on the outer periphery of the support flange 12 is arranged in the central portion between the support pieces 46.

In the above configuration, as shown in FIGS. 7 and 9,
In the mounting head 2, the mounting hole 16 of the hollow shaft 11 is fitted and locked in the fitting portion 15 formed at the lower end of the support shaft 14 of the moving body 5, and the flange 23 has the flange receiving member 50. Received and supported by.

Also, the type of parts to be sucked changes, for example, the suction nozzle
When it is necessary to change the diameter of 13 and the mounting head 2 attached to the support shaft 14 of the moving body 5 is changed to another type, the moving body 5 is replaced as shown in FIG. Device 4
The holding member 43 with the empty holding portion 45.
The mounting head 2 is positioned at the moving end of the support shaft 14, and the support shaft 14 is appropriately lowered to make the support flange 12 flush with the holding groove 47. In addition, the collar receiving member 50 of the moving body 5 and the collar receiving of the holding portion 45.
48 are set to the same height. Next, as shown in FIG. 5, the holding member 43 is moved toward the mounting head 2,
The support flange 12 is fitted into and supported by the holding groove 47, and the flange 23 is received by the flange receiver 48. Next, the support shaft 14 is raised, the fitting portion 15 is pulled out from the mounting hole 16, and the mounting nozzle 2 is held by the holding member 43. As shown in FIG.
Return 43 to its original position. Thus, the mounting head 2 holds the holding portion 45 by the compression reaction force acting on the support flange 12 and the collar 23.
Securely held in.

Next, the moving body 5 is moved to a position opposite to the holding member 43 holding the mounting head 2 as desired, and then the holding member 43 is moved and held as shown in FIG. The head 2 is positioned directly below the support shaft 14 and the collar 23
Is supported by the collar receiving member 50. After that, the support shaft 14 is lowered to fit and fit the fitting portion 15 into the mounting hole 16, and the moving body 5
Attach the mounting head 2 to.

Next, as shown in FIG. 6, the empty holding member 43 is returned to the original position, whereby the replacement of the mounting head 2 is completed.

The present invention is not limited to the above-described embodiment. For example, the collar receiving member 50 is configured to be vertically swingable between a horizontal receiving posture and a standby posture inclined downward, and a collar on the exchange device 4 side is provided. The receiver 48 can be omitted. Further, instead of moving the holding member 43, the moving body 5 side may be relatively moved in the insertion / removal direction of the support flange 12 in the holding portion 45.

Further, the mounting head provided with the position regulating pawl and the suction nozzle disclosed in JP-A-63-16700 can be replaced.

[Effects of the Invention] As described above, according to the mounting head exchanging device of the present invention, the mounting head is provided with an illuminating unit for illuminating the components sucked by the suction nozzles, and the illuminating unit and the suction unit The mounting head with the nozzle can be replaced as a unit. Further, the mounting head is securely held by the holding portion by the compression reaction force acting between the supporting flange and the working flange (collar), and the raising and lowering operation of the support shaft is used to exert the holding force. Therefore, the holding member side does not require a holding operation member. Furthermore, it is possible to easily supply power to the lighting unit.

It is also possible to illuminate an electronic component without using the position adjusting claw, and recognize the position of the component with a recognition device to mount the electronic component. It is possible to adapt without changing the configuration as it is, and the mounting head can be replaced integrally with the illumination unit.

Further, the configuration for supplying power to the lighting unit is
It can be easily attached and detached, and even if there is vibration of the device, it is possible to reliably maintain the energized state.

[Brief description of drawings]

FIG. 1 is a partially sectional front view of a mounting head exchanging device according to an embodiment of the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is a side view thereof.
FIG. 4 is a perspective view of the main part, FIGS. 5 and 6 are front views of the operating state, FIG. 7 is a vertical sectional front view of the mounting head, and FIG. 8 is a sectional view taken along line A in FIG. The figure is a partial cross-sectional side view of the mobile
FIG. 10 is an overall perspective view. 2: Mounting head 5: Moving body (component mounting part) 11: Hollow shaft 12: Support flange 13: Suction nozzle 14: Support shaft 15: Fitting part 16: Mounting hole 21: Illuminating part 23: Collar 26: Light emitting diode 27: Printed circuit board 28a, 28b: Electrode pin 43: Holding member 45: Holding part

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor, Yasui Hirai, 1006 Kadoma, Kadoma City, Osaka Prefecture, Matsushita Electric Industrial Co., Ltd. (56)

Claims (1)

[Claims] 1. A mounting head having a suction nozzle for sucking a component, and an illuminating section for illuminating the suctioned component which can be inserted through the suction nozzle, and the mounting head integrally held in a replaceable manner. A component mounting machine having a component mounting portion for mounting a component on a substrate by performing an up-and-down operation, wherein the mounting head has a fitting portion of a support shaft of the component mounting portion fitted and engaged at an upper end portion thereof. A support flange having a mounting hole formed therein, and the illumination unit includes a plurality of contact pins that are elastically movable in the insertion / removal direction of the support flange, and is provided with a working flange to separate from the support flange. Is always urged in the direction in which the mounting head is held in the component mounting portion by the compression reaction force between the action flange and the support flange, and the contact pin is attached to the electrode provided on the component mounting portion side. Always By contact with energized state, component mounting apparatus characterized by being configured to supply power to the illumination unit from the component mounting portion.