JPH0730291A - Installing equipment for electronic component - Google Patents

Abstract

PURPOSE:To obtain an installing equipment of electronic components which makes it possible to maintain component supply of high reliability and to handle a larger number of and more kinds of components in a usual installation space. CONSTITUTION:An installing head 1 being movable vertically, an X-Y table 2 moving the head, and a plurality of component supplying parts 3, are provided, and an intermittently feeding means 8 taking at least a plurality of component supplying equipment 5 in charge and feeding an electronic component collecting tape intermittently at a prescribed pitch and a feeding drive part 10 moving to the position of prescribed component supplying equipment 5 and driving the intermittently feeding means are provided. Accordingly, the component supplying equipment 5 of which bodies are constructed of a plurality of frames and which are provided with reel holding mechanisms, tape feeding mechanisms and covering tape winding mechanisms in the same numbers as the frames is installed freely, and a plurality of kinds of electronic components are supplied by one component supplying equipment 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic component mounting apparatus for sequentially mounting and mounting electronic components on a printed circuit board one by one.

[0002]

2. Description of the Related Art A conventional electronic component mounting apparatus for mounting a chip type electronic component (hereinafter referred to as an electronic component) such as a chip type resistor and a chip type capacitor on a substrate is as shown in FIGS. Met. Below, referring to the drawings,
An example of a conventional electronic component mounting device will be described.

In FIG. 4, electronic parts (not shown) are
It is housed in a tape-shaped electronic component assembly 80, and this electronic component assembly 80 is attached to a component supply device 81 and is intermittently fed at a predetermined pitch by a feed lever 82. Further, the feed drive unit 83 moves to a predetermined position of the component supply device 81 among the plurality of component supply devices 81, and the feed drive unit 83
A feed roller 84 provided on the drive roller drives the feed lever 82. Reference numeral 85 is an XY table to which the mounting head 86 is attached and which can be moved back and forth and left and right. 87 is a circuit board, and electronic parts (not shown) are mounted on the circuit board 87 by the device head 86.

The component supply device in this electronic component mounting device is as shown in FIG. In FIG. 5, the electronic component assembly 80 is held by the reel holding plate 88. The electronic component assembly 80 is guided by the tape retainer 89,
It is sandwiched and sent out at a fixed pitch by the ratchet wheel 90. Further, in conjunction with the opening / closing operation of the shutter 91 provided on the tape retainer 89, the covering tape 92 which is unnecessary in the electronic component assembly 80 is wound by the covering tape take-up reel 93.

The component supply operation of this electronic component mounting apparatus will be described below. In this electronic component mounting device, the feed drive unit 83 moves to a predetermined position of the component supply device 81 among the plurality of component supply devices 81, but during this time, the electronic component supply device 81 has a tension spring (not shown). ), The lever 94 near the coated tape take-up reel 93 is pulled downward, and the feed lever 82 is pulled through the link lever 95.
Are located on the (A1) direction side. Also, tape presser
The shutter 91 on 89 is located on the (A2) direction side, and an opening (not shown) provided on the tape retainer 89 is opened.

Next, the feed roller 84 of the feed drive unit 83
However, when the feed lever 82 of the component supply device 81 is rotated in the (B1) direction, the ratchet wheel 90 is rotated by a certain pitch in conjunction with this, and the electronic component assembly 80 is fed out by a certain length. At this time, the shutter 91 moves in the (B2) direction,
The opening is closed and the electronic component sent next is prevented from jumping. At this time, the lever 94 pivots upward via the link lever 95, and in conjunction with this, the coating tape take-up reel 93 rotates in the (B3) direction by the ratchet mechanism, so that the coating tape 92 has a certain length. Wind up.

[0007]

In recent years, in the electronic component mounting apparatus, it has been demanded to support various kinds of components as the electronic components are diversified.

However, it cannot be said that the number of component supply devices 81 that can be mounted in the component supply section of the current electronic component mounting device is sufficient for a wide variety of components.
Therefore, an electronic component mounting apparatus has been proposed in which the component supply units are provided on both sides of the circuit board and the component supply units can be installed in each of them, but it has a drawback that the space occupied by the equipment becomes very large. .

Further, by reducing the thickness of the component supply device (in particular, shortening the installation interval of the component supply device in the supply section), the number of component supply devices that can be mounted tends to increase, and there is a tendency to deal with a wide variety of components. However, as the component supply device becomes thinner, there is a problem in that the component supply device itself has limitations in rigidity and strength, and reliable and stable component supply cannot be performed.

The present invention is intended to solve the above-mentioned problems, and it is possible to mount a larger number of component supplies in a small equipment space while sufficiently securing the rigidity of the component supply device and maintaining a reliable and stable component supply. The present invention provides an electronic component mounting device capable of handling a wider variety of products.

[0011]

In order to solve the above-mentioned problems, an electronic component mounting apparatus according to the present invention comprises an XY table for moving a vertically movable mounting head within a predetermined range, and an XY table as described above. Within the moving range of the mounting head, a component supply unit for receiving the components by the mounting head is provided, and a plurality of component supply devices provided at positions that do not hinder the transfer of the substrate and the movement of the mounting head, and these components. An intermittent feeding means that is responsible for a plurality of component supply devices of the supply device and intermittently feeds the electronic component assembly tape of the component supply device at a predetermined pitch, and a position of the predetermined component supply device of the plurality of component supply devices. An electronic component mounting apparatus having a feed drive unit that moves to a range within which the intermittent feed means can drive the component feeding apparatus. The reel holding mechanism configured to hold the same number of electronic component aggregates as the frame and the electronic component aggregate tape corresponding to each frame are clamped by the tape retainer, and sequentially delivered at a constant pitch by the ratchet wheel, and the electronic components are The same number of tape feeding mechanisms as the frames for sequentially supplying to the take-out position and the same number of covering tape winding mechanisms as the frames for winding the covering tape of the electronic component collecting tape which is no longer needed are provided.

That is, according to the electronic component mounting apparatus of the present invention, a plurality of reel holding mechanisms are provided for one component mounting apparatus main body.
It is characterized in that a component supply device having a tape feeding mechanism and a covering tape winding mechanism can be mounted.

[0013]

With the above structure, in response to the demand for adapting various kinds of components in the electronic component mounting device, the space occupied by the equipment is not enlarged, and the component supply device is not made thin, that is, the rigidity of the component supply device is increased. To secure a reliable and stable component supply, and to equip the conventional equipment space with several times as many component supplies as before, and to provide an electronic component mounting device that can handle a wider variety of products. You can

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1A and 1B are side views showing the overall configuration of an electronic component mounting apparatus according to a first embodiment of the present invention, and an enlarged side view of a portion surrounded by a one-dot chain line in FIG. 2A and 2B are a plan view and a front view of a component supply device (in the case of holding two electronic component assemblies) mountable on the electronic component mounting device, and FIG. 3 is the same component. It is an enlarged front view and an enlarged plan view of a supply device.

First, the overall structure of the electronic component mounting apparatus of the present invention will be described with reference to FIG. The mounting head 1 that can move up and down at a predetermined position can move freely in a predetermined range X-
It is attached to the Y table 2.

The mounting head 1 vertically moves the suction nozzle 1a for sucking an electronic component (not shown), a tube 1b connected to a vacuum generator (not shown) for generating a suction force, and the suction nozzle 1a. The XY table 2 is driven by servomotors 2a and 2b, and the mounting head 1 can be moved back and forth and left and right within a horizontal plane.

The component supply unit 3 for receiving the electronic components by the mounting head 1 is arranged within the movement range of the mounting head 1, and a plurality of electronic component assemblies 4 (on the case of FIG. 1, A plurality of (two) held component supply devices 5 are arranged in parallel.

In front of the component supply unit 3, a circuit board 6 on which electronic components are to be mounted is transferred in a direction parallel to the component supply device 5, and a substrate transfer device 7 that can accurately position it at a predetermined position is arranged. Has been done.

Further, below the front of the component supply device 5, there is provided a feed drive unit 10 which is movable to a predetermined position of the component supply device 5. The feed drive unit 10 is provided with a feed unit 8, and the feed unit 8 has a feed roller 9 for rotating a feed lever 11 of the component supply device 5. Here, 10 a is a spline shaft of the feed drive unit 10.

Next, the structure of the component supply device 5 mountable on this electronic component mounting device will be described with reference to FIGS. 2 and 3, the main body of the component supply device 5 is composed of a main frame 25 and a sub-frame 26, and the component supply device 5 is provided near the middle part of the main frame 25 to the component supply part 3 of the electronic component mounting device. A toggle clamp 20 for fixing and a positioning pin 21 for determining the fixing position are provided.

A reel holding plate 27 capable of holding two electronic component assemblies 4 is attached to the main frame 25. Two reel pins 28 for mounting the electronic component assembly 4 and two reel guides 29 for holding the outer periphery of the electronic component assembly 4 are attached to the reel holding plate 27.

Further, two covering tape take-up reels 30 and 31 are provided in the upper middle part of the main frame 25, and the outer circumference of the disk inside the covering tape take-up reels 30 and 31 is a gear-like take-up. It is a ratchet 32, 33 for reels.

Further, a fulcrum shaft 35 is provided on the upper middle part of the main frame 25, and the fulcrum shaft 35 has two levers 36 and 37.
And two take-up reel ratchet levers 42 and 43 are attached. The levers 36 and 37 are connected to the main frame 25 by tension springs 46 and 47. The take-up reel ratchet levers 42 and 43 described above are connected to the take-up reel ratchet 3 respectively.
Ratchet claws 44, 45 for the take-up reel mounted so as to engage with the levers 2, 33 are provided, and are connected to the levers 36, 37 by tension springs 48, 49.

A cover tape 24 is provided in the middle of the main frame 25.
Rollers 50 and 51 for guiding the electronic component collecting tape 23 are provided on one side of the lower rear portion of the main frame 25.

The two levers 36 and 37 are connected to the feed levers 11 (11A and 11B) via link levers 68 and 69, respectively.
Are linked to. In addition to the above-mentioned feed levers 11A and 11B, the fulcrum shaft 53 provided at the front of the component feeder main body
Tape feeding wheels 58, 59 and tape feeding ratchets 56, 57 fixedly connected thereto are rotatably provided. The tape feeding ratchets 56 and 57 are engaged with the tape feeding ratchet claws 70 and 71 attached to the feed levers 11A and 11B, and further, the inversion prevention lever 6
Both 0 and 61 are engaged.

Tape pressers 64 and 65 for guiding and sandwiching the electronic component collecting tape 23 are provided on the upper surface of the front part of the component supply device main body. The tape pressers 64, 65 are tension springs 76,
77 and leaf springs 74 and 75 are attached to the upper surface of the component supply device main body using hooks 72 and 73. Also, tape presser
Slits through which the covering tape 24 is drawn on the upper surfaces of 64 and 65
52, an opening through which electronic components are taken out, and shutters 66 and 67 that prevent the electronic components from jumping. The shutters 66 and 67 are provided with engagement notches on their side surfaces, and engage with one ends of the feed levers 11A and 11B.

Further, in front of the main body of the component supply device, the electronic component assembly tape 23, from which the electronic components and the covering tape 24 have been removed, guided by the above-mentioned tape retainers 64 and 65.
Is provided with a tape guide 78 for guiding the sheet to a cutter portion (not shown) provided below.

The operation of the electronic component mounting apparatus configured as described above will be described below. First, a circuit board (not shown) mounted by running a belt (not shown) by rotation of a motor (not shown) of the board transfer device 7
However, at the same time as being carried out, a new circuit board 6 is carried in and positioned at a predetermined position.

Next, the mounting head 1 mounted on the XY table 2 is one of the electronic component assemblies 4 mounted on the electronic component supply device 5 on the component supply unit 3 and which is located at the take-out position. After moving right above and the operation of the air cylinder 1c, the suction nozzle 1a descends, and the suction force is generated through the tube 1b to suck and hold an electronic component (not shown), and then the suction nozzle 1a rises again.

The electronic component sucked and held by the mounting head 1 is mounted on the substrate 6 after the XY table 2 is moved to the mounting position on the circuit board 6 and then the suction nozzle 1a is lowered. The suction nozzle 1a loses its suction force immediately after mounting and rises again.

At the same time that the XY table 2 starts moving to the circuit board 6, electronic components to be mounted next (not shown)
Supply operation. This operation will be described below.
First, the feed drive unit 10 is placed at the position of the component supply device 5 in which the electronic component to be mounted next is set, at the spline shaft.
It is moved by rotating a servo motor (not shown) on 10a.

When the feed drive unit 10 moves to a desired position, an air cylinder (not shown) causes the feed unit 8 to move back and forth, and the feed roller 9 rotates the feed levers 11A and 11B of the component supply device 5. Then, the electronic component assembly tape 23 is fed at a constant pitch. By this operation, the electronic component to be mounted next is supplied to the predetermined position of the component supply device 5.

At this time, in the component supply device 5, the operation of rotating the feed levers 11A and 11B and feeding the electronic component collecting tape 23 at a constant pitch will be described below. Two
Each electronic component assembly 4 is mounted on a reel pin 28 provided on a reel holding plate 27. At this time, the electronic component assembly tapes 23 are guided so that the electronic component assembly tapes 23 are guided by the tape retainers 64 and 65 without meandering as much as possible.
Are held to the left and right. The electronic component assembly tape 23 pulled out from there is guided and sandwiched by the tape retainers 64 and 65. At this time, the transport holes (not shown) of the electronic component assembly tape 23 and the tape feed wheels 58 and 59 are Engaged.

Normally, the lever 3 is provided by the tension springs 46 and 47.
6 and 37 are pulled downward, the feed levers 11A and 11B are located on the (A1) direction side via the link levers 68 and 69, and the shutter 6 on the tape retainers 64 and 65 is located.
6, 67 are located on the (A2) direction side, and the openings provided on the tape retainers 64, 65 are open.

Next, the feed roller 9 of the feed drive unit 10
The feed levers 11A and 11B of the component supply device 5 (B
When the shutter rotates in the direction 1), it engages with it.
66 and 67 move in the (B2) direction, the openings on the tape pressers 64 and 65 are closed, and the electronic parts sent next are prevented from jumping.

At this time, the tape feeding ratchets 56, 57 and the tape feeding wheels 58, 59 are rotated by the tape feeding ratchet claws 70, 71 attached to the feed levers 11A, 11B, and the electronic component collecting tape 23 is kept constant. Pitch sent.

At this time, the levers 36 and 37 rotate upward via the link levers 68 and 69, and in conjunction with this, the take-up reel ratchet claws 44 and 45 are used to wind the take-up reel ratchets 32 and 33. And coated tape take-up reel 30,
31 rotates in the (B3) direction and winds the covering tape 24 for a certain length.

The feed roller 9 of the feed drive unit 10 returns to its original position, and the tension levers 46 and 47 rotate the feed levers 11A and 11B in the (A1) direction via the levers 36 and 37 and the link levers 68 and 69. Then, when returning to the normal state, the tape feeding ratchet claws 70, 71 attached to the feed levers 11A, 11B are fed at a constant pitch in the direction opposite to the tape feeding direction. At this time, the take-up reel ratchet levers 42, 43 attached to the levers 36, 37 swing, and the take-up reel ratchet claws 44, 45 attached to the levers are reverse to the tape winding direction. It is sent several pitches in the direction.

As described above, the mounting head 1 which has been mounted is moved right above the electronic component to be mounted next by the XY table 2. By repeating the above cycle, desired electronic components can be sequentially mounted on the substrate 6 point by point.

The component supply device 5 can supply two kinds of electronic components while ensuring sufficient rigidity and maintaining reliable and stable component supply. this time,
Although the electronic component mounting device corresponding to the component supply device capable of holding two electronic component assemblies 4 has been described, an electronic device corresponding to a component supply device that holds a plurality of electronic component assemblies by arranging a plurality of frames in parallel. A component mounting device can be realized similarly.

[0041]

As described above, according to the present invention, in an electronic component mounting apparatus that sequentially mounts electronic components on a substrate one by one, a plurality of reel holding mechanisms for one component mounting apparatus main body, By making it possible to mount a component supply device having a tape feed mechanism and a covering tape winding mechanism, without expanding the space of the equipment and without reducing the width of the component supply device, that is, the component supply device. The rigidity of the components is sufficiently secured to maintain a reliable and stable component supply, and a component supply device that is several times larger than the conventional one can be installed in the conventional equipment space, and it corresponds to the supply work of a wider variety of electronic components. can do.

[Brief description of drawings]

1A and 1B are side views showing an overall configuration of an electronic component mounting apparatus according to an embodiment of the present invention, and an enlarged side view of a portion surrounded by a one-dot chain line in FIG.

2A and 2B are a plan view and a front view of a component supply device mountable on the electronic component mounting device.

FIG. 3 is an enlarged front view and an enlarged plan view of the component supply device.

FIG. 4 is a side view showing the overall configuration of a conventional electronic component mounting apparatus.

FIG. 5 is a perspective view of a component supply device mountable on the conventional electronic component mounting device.

[Explanation of symbols]

 1 Mounting Head 2 XY Table 3 Component Supply Unit 4 Electronic Component Assembly 5 Component Supply Device 6 Board 7 Substrate Transfer Device 8 Feed Unit 10 Feed Drive Unit 11, 11A, 11B Feed Lever 23 Electronic Component Assembly Tape 24 Cover Tape 25 Main frame 26 Sub frame 27 Reel holding plate 30, 31 Coated tape take-up reel 32, 33 Take-up reel ratchet 36, 37 Lever 42, 43 Take-up reel ratchet lever 44, 45 Take-up reel ratchet claw 56, 57 Tape feed ratchet 58, 59 Tape feed wheel 60, 61 Inversion prevention lever 64, 65 Tape presser 68, 69 Link lever 70, 71 Tape feed ratchet claw 72, 73 Hook 78 Tape guide

Claims (3)

[Claims] 1. An XY table that moves a mounting head that can move up and down at a predetermined position within a predetermined range, and a component supply unit that receives a component from the mounting head within the movement range of the mounting head. And a plurality of component supply devices provided at a position that does not hinder the transfer of the substrate and the movement of the mounting head, and the plurality of component supply devices of the component supply devices, and the electronic components of the component supply device. Intermittent feeding means for intermittently feeding the collective tape at a predetermined pitch, and a feed drive section for moving to a position of a predetermined component feeding apparatus of the plurality of component feeding apparatuses and driving within a range of the intermittent feeding means. An electronic component mounting apparatus comprising: a reel that holds the same number of electronic component aggregates as the frame, the component supplying device main body including a plurality of frames. A holding mechanism and an electronic parts assembly tape corresponding to each frame are sandwiched by tape presses, and are sequentially sent out at a constant pitch by a ratchet wheel, and the same number of tape feeding mechanisms as the frame that sequentially supplies the electronic parts to the take-out position, and electronic parts An electronic component mounting apparatus provided with the same number of covering tape winding mechanisms as the frames for winding covering tapes that do not require a collective tape. 2. A supply device main body is composed of a plurality of frames, and a reel holding mechanism for holding the same number of electronic component assemblies as the frames and an electronic component assembly tape corresponding to each frame are sandwiched by a tape retainer, and a ratchet. A tape feed mechanism of the same number as the frame, which sequentially feeds electronic components to the take-out position sequentially by a wheel at a constant pitch,
A component supply device provided with the same number of covering tape winding mechanisms as the frames for winding the covering tape of the electronic component collecting tape which is no longer needed, and the supplying device main body comprising one frame, and the reel holding mechanism, The electronic component mounting apparatus according to claim 1, wherein the tape feeding mechanism and the component supply device having one set of the covering tape winding mechanism can be mounted together. 3. The electronic component mounting apparatus according to claim 1, wherein the mounting head has a plurality of nozzle stations rotatable in a vertical plane, and any nozzle can be selected.