JP2002359496A - Component assembling device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To optimize a clearance between facing conveyors and simplify installation work, when connecting an upstream side device or downstream side device during configuration of part assembly line. SOLUTION: An electronic component-mounting device 1 is necessary to be moved for configuration of component assembly line, and a supply conveyor 4 and a discharge conveyor 6 are housed so as not to project from the external appearance of the electronic component-mounting device 1. The assembly line is configured and component-mounting operation is started thereafter. Before the mounting operation, a supply conveyor 4 is moved toward an upstream side device 7 along a guide 12 of a pedestal 2 by driving a drive motor, so as to receive a printed board P from the upstream side device 7. Then, respective drive motors for transferring the supply conveyor 4 and a positioning section 5 are driven to turn drive rollers 9 and 15, thus operating transfer belts 11 and 17 via a plurality of rollers 10 and 16 and receiving the printed board P from the upstream side device 7 by the positioning section 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a method of positioning a printed circuit board, which has been inherited via a supply conveyor provided on a base from an upstream apparatus, by positioning and fixing the printed circuit board by a positioning section, assembling the printed circuit board, and assembling the printed circuit board. The present invention relates to a component assembling apparatus that transfers the printed circuit board to a downstream device via a discharge conveyor provided on a table.

[0002]

2. Description of the Related Art Such a component assembling apparatus is a component mounting apparatus for mounting electronic components on a printed circuit board, a screen printing machine for applying cream solder on the printed circuit board, and an adhesive for applying an adhesive on the printed circuit board. There is a coating device and the like.
No. 4 and the like.

[0003]

However, at the time of connection with the upstream device or the downstream device during knitting of the component assembly line, the gap between the confronting component assembly device and the conveyor of the upstream device or the downstream device. It is very troublesome to install the device properly, and modular machines have become popular in recent years. However, it is often difficult to move or install the device.

Accordingly, the present invention has been made in view of the above points,
An object of the present invention is to simplify installation work by appropriately setting a gap between conveyers facing each other in connection with an upstream device or a downstream device during knitting of a component assembly line.

[0005]

Means for Solving the Problems For this reason, the first invention provides
After the printed circuit board inherited via the supply conveyor provided on the base from the upstream side device is positioned and fixed by the positioning part and subjected to a predetermined operation and assembled, then downstream via the discharge conveyor provided on the base In the component assembling apparatus for transferring the printed circuit board to the side device, the supply conveyor is provided so as to be capable of coming into contact with and separating from the upstream device along a guide provided on the base.

According to a second aspect of the present invention, in the component assembling apparatus,
The discharge conveyor is provided so as to be able to contact and separate from the downstream device along a guide provided on the base.

[0007] A third aspect of the present invention is a component assembling apparatus,
A part of the supply conveyor is provided along the supply conveyor body so as to be able to approach and separate from the upstream device.

According to a fourth aspect of the present invention, in the component assembling apparatus,
A part of the discharge conveyor is provided so as to be able to contact and separate from the downstream device along the discharge conveyor body.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view of an electronic component mounting apparatus 1 as a component assembling apparatus. A plurality of component supply units 3 for supplying various electronic components one by one to their component take-out parts (component suction positions) are provided in parallel on the component 2.

A supply conveyor 4, a positioning unit 5, and a discharge conveyor 6 are provided on the base 2 between the opposing groups of the component supply units 3. The supply conveyor 4 conveys the printed circuit board P received from the upstream device 7 to the positioning unit 5, and after the electronic components are mounted on the substrate P positioned by the positioning unit 5 by a positioning mechanism (not shown), the discharge conveyor 6 and then transferred to the downstream device 8.

The movable chute 5D is adjusted to the size of the printed circuit board P by a drive motor (not shown) along both guides 5C provided between the fixed chute 5A and the fixed member 5B of the positioning section 5. To be movable in the Y direction.

The fixed chute 5A and the movable chute 5D of the positioning section 5 are provided with a drive roller 9 rotated by a drive motor (not shown) and a transport belt stretched over a plurality of rollers 10 as shown in FIG. 11 is provided,
The printed circuit board P can be transported.

The supply conveyor 4 is movable along a guide 12 of the base 2 in a direction of transporting the printed circuit board P by a drive motor (not shown). In addition, the mounting device 1 needs to be moved at the time of installation at the time of assembling the assembly line. At this time, the mounting device 1 is drawn in so as not to protrude from the outer shape of the mounting device 1. After the installation, the mounting device 1 is driven by driving the driving motor so that the printed circuit board P can be reliably inherited from the upstream device 7 as shown in FIG.
It is configured to protrude further outward, move toward the upstream side device 7, and, after inheriting the printed circuit board P, move toward the positioning portion 5 so as to be delivered to the positioning portion 5.

The fixed chute 4 of the supply conveyor 4
A movable chute 4D can be moved in the Y direction along a guide 4C provided between A and the fixed member 4B according to the size of the printed circuit board P by a drive motor (not shown).

As shown in FIG. 2, on the fixed chute 4A and the movable chute 4D of the supply conveyor 4, a transport belt stretched around a drive roller 15 and a plurality of rollers 16 rotated by a drive motor (not shown). The printed circuit board P can be transported.

The discharge conveyor 6 can be moved by a drive motor (not shown) in the direction of transporting the printed circuit board P along the guide 20 of the base 2. In addition, the mounting device 1 needs to be moved at the time of installation at the time of assembling the assembly line. At this time, the mounting device 1 is drawn in so as not to protrude from the outer shape of the mounting device 1. When the mounting device 1 is operated, the mounting device 1 is moved toward the positioning unit 5 so as to reliably take over the printed circuit board P from the positioning unit 5. This is a configuration that moves toward the downstream device 8.

The fixed chute 6 of the discharge conveyor 6
A movable chute 6D can be moved in the Y direction along a guide 6C provided between A and the fixed member 6B in accordance with the size of the printed circuit board P by a drive motor (not shown).

The fixed chutes 6A and the movable chutes 6D of the discharge conveyor 6 have a driving roller 21 rotated by a driving motor (not shown) and a transport belt stretched over a plurality of rollers 22 as shown in FIG. The printed circuit board P can be transported.

Reference numerals 30A and 30B denote a pair of beams long in the X direction, each of which is driven by a Y-axis motor via a drive circuit to rotate a screw shaft, and is fixed to the positioning portion 5 along a pair of left and right guides 31. It moves individually in the Y direction above the printed circuit board P and the component pick-up portion (component suction position) of the component supply unit 3.

Each of the beams 30A, 30B is provided with a mounting head 32A, 32B which moves along a guide in the longitudinal direction, that is, in the X direction, by an X-axis motor via a drive circuit. Each mounting head 32A or 32B is equipped with a vertical axis motor for moving the four suction nozzles 33 up and down, and a θ-axis motor for rotating the suction nozzle 33 about a vertical axis. Therefore, each of the suction nozzles 33 of the two mounting heads 32A and 32B can move in the X direction and the Y direction, can rotate around a vertical line, and can move up and down.

Numeral 34 denotes a component recognition camera for component position recognition. Two component recognition cameras are provided corresponding to the respective mounting heads 32A and 32B. The electronic component is imaged in order to recognize the position in the XY direction and the rotation angle.

Reference numerals 35, 35 denote nozzle stockers for accommodating various suction nozzles 13, which are accommodated for replacement of the suction nozzles 13. As shown in FIGS. 1 and 2, the nozzle stockers 35, 35 can be provided outside the positioning section 5 of the base 2 in the direction in which the printed circuit board P is transported. The mounting time can be reduced by shortening the distance from the printed circuit board P. That is, the nozzle stockers 35, 35 are conventionally provided between the group of component supply units 3 and the positioning unit 5, the supply conveyor 4, or the discharge conveyor 6, but according to the present embodiment, the supply conveyor 4 and the discharge conveyor 6 are provided. When the supply conveyor 4 and the discharge conveyor 6 are drawn into the electronic component mounting apparatus, the nozzle stockers 35 and 35 are provided on both outer sides of the positioning unit 5 so that the supply conveyor 4 and the discharge conveyor 6 can be moved. Located below 6,
The nozzle stockers 35, 35 can be arranged so as not to interfere with the supply conveyor 4 and the discharge conveyor 6, and the suction nozzle 33
Can be replaced by moving the supply conveyor 4 or the discharge conveyor 6 closer to the upstream apparatus 7 or the downstream apparatus 8, thereby effectively utilizing the substrate transfer area.

Each of the mounting heads 32A and 32B is provided with a board recognition camera (not shown), and picks up an image of the mark on the printed circuit board P in order to recognize the position of the mark.

Then, the cables and air tubes for the mounting heads 32A and 32B are arranged in a parallel state, fixed with an adhesive, and made substantially flat to form a flat cable 3.
6, 36 are formed, one end of which is connected to each of the motors, and the other end is connected to a control circuit board (not shown) or an air supply source (not shown).

The operation of the above configuration will now be described. First, when knitting a component assembly line, the electronic component mounting device 1 needs to be moved, but the supply conveyor 4 and the discharge conveyor 6 are drawn in so as not to protrude from the outer shape of the mounting device 1 during this movement. .

After the knitting of the assembly line, the component mounting operation is performed. Before that, the drive motor is driven along the guide 12 of the base 2 by driving the supply conveyor 4 to guide the printed circuit board P. It is moved closer to the upstream device 7 in order to inherit it from the upstream device 7. Then, the drive rollers 9 and 15 are rotated by driving the respective drive motors for transport of the supply conveyor 4 and the positioning unit 5, and the transport belts 11 and 17 are rotated through the plurality of rollers 10 and 16 to thereby move the upstream side. The positioning unit 5 takes over the printed circuit board P from the device 7.

Then, after inheriting the printed circuit board P,
The board positioning section 5 positions and fixes the printed board P by a positioning mechanism. After the positioning, the electronic component to be mounted by the suction nozzle 33 corresponding to the component type of the electronic component is sucked out from the predetermined component supply unit 3 and taken out according to the mounting data on the printed circuit board P.

Next, the suction nozzle 33 of the mounting head 32A
Moves so as to be located above the component supply unit 3 that stores the electronic components to be mounted, but the Y direction is
Is driven to move the beam 30A along the pair of guides 31, and in the X direction, the X-axis motor is driven to move the mounting head 32A.
Is moved, and the predetermined supply unit 3 is already driven and the component can be picked up at the component suction position. Therefore, the vertical shaft motor is driven and the suction nozzle 33 descends to suck and take out the electronic component. Next, the mounting head 32A is raised, and the suction nozzle 33 is moved above the component supply unit 3 for storing the next electronic component to be mounted, and the nozzle 33 is similarly lowered to suck and take out the electronic component.

At this time, the suction nozzle 33 of the mounting head 32B moves above the component supply unit 3 for storing the electronic component to be mounted, and the nozzle 33 descends to suck and take out the electronic component. Rises and the suction nozzle 33 moves above the component supply unit 3 for storing the next electronic component to be mounted.
Descends to suck and take out the electronic components.

Then, the respective suction nozzles 33 of the mounting head 32A are moved by the Y-axis motor and the X-axis motor as described above so as to be located above the respective component recognition cameras 34, and the respective electronic suctioned by the respective nozzles 33 are performed. The component is imaged, and each suction nozzle 13 of the mounting head 32B moves so as to be located above the component recognition camera 34, and each electronic component sucked by each nozzle 33 is imaged, and each electronic component is attached to the nozzle. A recognition result is calculated by a component recognition processing unit (not shown) for the XY direction and the rotation angle indicating how far the position is shifted and held.

Then, in order to perform the board recognition operation for the beam 30A that has occupied the mounting area, the board recognition camera is used to recognize the position of the mark on the printed circuit board P by moving the beam 30A and the mounting head 32A. Each mark is picked up by a pick-up nozzle 3 (not shown), and its recognition processing is performed by the board recognition processing unit (not shown). The beam 30A and the mounting head 32A are moved again.
3 mounts each electronic component on the printed circuit board P while correcting the positional deviation by adding the component recognition result to the board recognition result, advances the sequence data and cuts out the next step, and the next step data is Since there is, open the mounting area.

Next, after the mounting area is opened by the beam 30A, the beam 30B occupies the mounting area. Therefore,
A board recognition camera (not shown) for moving the beam 30B and the mounting head 32B to recognize the position of the mark on the printed circuit board P in order to perform the board recognition operation for the beam 30B that has occupied the mounting area. Each mark is imaged, and the recognition processing is performed by the board recognition processing unit (not shown).
Each electronic component is mounted while correcting the positional deviation by adding the component recognition result to the board recognition result, and the next step is cut out by stepping through the sequence data. To release.

As described above, the components are sequentially mounted on the printed circuit board P in accordance with the mounting data. Before all the components have been mounted, the discharge conveyor 6 is already close to the positioning unit 5 as shown in FIG. After the mounting, the printed circuit board P is conveyed from the positioning unit 5 to the discharge conveyor 6 and is inherited. Then, after taking over the printed circuit board P transferred from the positioning unit 5, the discharge conveyor 6 drives the drive motor to transfer the printed circuit board P to the downstream device 8, and the guide of the base 2. It moves toward the downstream device 8 along 20.

Then, the discharge conveyor 6 and the downstream device 8
Each of the drive motors for transport is driven to rotate the drive roller 21, and the printed board P is transferred from the discharge conveyor 6 to the downstream device 8 by the rotation of the transport belt 23 via the plurality of rollers 22. is there.

Next, a description will be given of a second embodiment in which a part of the supply conveyor 4 and a part of the discharge conveyor 6 are moved to the upstream device 7 or the downstream device 8 so as to be able to come and go. Here, based on FIG. 4, for convenience, a description will be given of a mode in which a part of the supply conveyor 4 is moved so as to be able to move toward and away from the upstream device 7, but the discharge conveyor 6 may be configured to have the same purpose, and thus will be omitted. I do.

First, a chute 40 is provided at the end of the fixed chute 4A and the movable chute 4D of the supply conveyor 4 on the upstream side of the apparatus 7 along the chute bodies 4A and 4D. And this shoot 4
0 is provided with a roller 16A, the horizontal portion of the transport belt 17 stretched between the roller 16B at the other end is the transport surface of the printed circuit board P, and when the chute 40 is extended, the roller 16C A vertically long hole 41 is formed in the side surface of the chutes 4A and 4D so as to lower the roller 16C when it is raised and shortened, and the support shaft of the roller 16C is slid up and down.

Therefore, it is necessary to move the mounting device 1 at the time of installation when assembling the assembly line. At this time, the chute 40 is shortened and the roller 16C is lowered. The chute 40 is extended so that the distance between
6C.

The discharge conveyor 6 may be configured so that a part of the discharge conveyor 6 near the downstream device 8 is moved so as to be able to approach and separate from the downstream device 8.

In the first and second embodiments, the supply conveyor 4 or a part thereof is moved so as to be able to approach / separate from the upstream device 7, or the discharge conveyor 6 or a part thereof is moved to the downstream device. However, if the distance between the upstream device 7 and the downstream device 8 is increased by increasing the amount of movement, the front or rear side of the electronic component assembly line can be moved. When various operations need to be performed, workers can come and go, and workability can be improved.

Although the embodiments of the present invention have been described above, various alternatives, modifications or variations are possible for those skilled in the art based on the above description, and the present invention is not limited to the above-described various embodiments without departing from the spirit thereof. It is intended to cover alternatives, modifications or variations.

[0041]

As described above, the present invention simplifies the installation work by properly setting the gap between the conveyers facing each other in connection with the upstream device and the downstream device when forming the component assembly line. Can be.

[Brief description of the drawings]

FIG. 1 is a plan view of an electronic component mounting apparatus showing a state where a printed circuit board is passed from a supply conveyor to a positioning unit.

FIG. 2 is a sectional view taken along line BB of FIG.

FIG. 3 is a side view of the electronic component mounting apparatus showing a state in which a printed board is transferred from an upstream apparatus to a supply conveyor.

FIG. 4 is a side view of a supply conveyor showing a second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Electronic component mounting apparatus 4 Supply conveyor 5 Positioning part 6 Discharge conveyor 7 Upstream apparatus 8 Downstream apparatus 12 Guide 20 Guide 40 Chute

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Shuji Motoyama 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Shigeru Kageyama 2-chome Keihanhondori, Moriguchi-shi, Osaka No.5-5 Sanyo Electric Co., Ltd. F term (reference) 3C030 DA17 DA23 DA36 5E313 AA11 DD12 FF11 FG02

Claims (4)

[Claims] A printed circuit board inherited from an upstream apparatus via a supply conveyor provided on a base is positioned and fixed by a positioning part, and after assembling by performing a predetermined operation, the discharging provided on the base. In a component assembling apparatus that transfers the printed circuit board to a downstream device via a conveyor, the component is provided so that the supply conveyor can be connected to and separated from the upstream device along a guide provided on the base. Assembly equipment. 2. A printed circuit board inherited from an upstream apparatus via a supply conveyor provided on a base is positioned and fixed by a positioning part, and after assembling by performing a predetermined operation, the discharging provided on the base. In a component assembling apparatus for transferring the printed circuit board to a downstream device via a conveyor, the discharge conveyor is provided so as to be able to approach and separate from the downstream device along a guide provided on the base. Assembly equipment. 3. A printed circuit board inherited from an upstream apparatus via a supply conveyor provided on a base is positioned and fixed by a positioning part, and after assembling by performing a predetermined operation, discharging after being provided on the base. In a component assembling apparatus that transfers the printed circuit board to a downstream device via a conveyor, a part of the supply conveyor is provided along the supply conveyor body so as to be able to approach and separate from the upstream device. Assembly equipment. 4. A printed circuit board inherited from an upstream apparatus via a supply conveyor provided on a base is positioned and fixed by a positioning part, and after performing predetermined work and assembling, a discharge provided on the base. In a component assembling apparatus that transfers the printed circuit board to a downstream device via a conveyor, a part of the discharge conveyor is provided so as to be able to approach and separate from the downstream device along the discharge conveyor body. Assembly equipment.