JP3021842B2 - Parts supply device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drive member at a standby position which is engaged by a forward movement to swing a swing lever, rotate a sprocket, and feed a tape enclosing a chip component to a component pick-up position. And a component that rotates the reel by the swinging and winds up while peeling off the cover tape covering the tape upper surface, and when the driving member returns, the swinging lever is urged by urging means and returns to the initial position. It relates to a supply device.

[0002]

2. Description of the Related Art This kind of parts supply apparatus is disclosed in
No. 199. According to the technique disclosed in this publication, the feed ratchet (25) having a sprocket is rotated by the swing of the swing lever (28), and the tape (2) enclosing the component (1) is sent and the feed ratchet (25) is sent. The adhesive tape (4), which is a cover tape covering the upper part of the tape (2), is wound up while being peeled off by the rotation of the reel (27). The swing lever (28) is thereafter pulled by the tension spring (29) and returns to the initial position.

[0003] Although not described in the publication, when the swing lever returns to the initial position, it is locked by a stopper and stopped at a predetermined position.

[0004]

However, in the prior art, the driving member for driving the swing lever reciprocates at a high speed and is driven by a large force for feeding the tape and peeling off the cover tape. The longer the distance from the standby position until the drive member comes into contact with the swinging lever stopped at the position, the faster the speed becomes due to the curve of the cam that drives the drive member. There is a disadvantage in that the position of the selected component is displaced or jumps out, which adversely affects the suction of the component.

[0005] Further, depending on the variation in the dimensions of the components constituting the component supply device and the manner of attachment to the supply table, if the distance is reduced, the drive member and the swing lever may collide particularly when the supply table moves. There is a disadvantage.

Accordingly, an object of the present invention is to eliminate the above-mentioned disadvantages.

[0007]

According to the present invention, there is provided a tape for enclosing a chip part by rotating a sprocket by rotating a swing lever by engaging a driving member at a standby position by a forward movement. At the same time as sending to the take-out position, the swinging rotates the reel and winds up while peeling off the cover tape covering the upper surface of the tape. When the driving member returns, the swinging lever is urged by the urging means, and In the component supply device returning to the position, when the drive member moves backward, the component is stopped by the swing lever which is urged by the urging means and returned to the initial position, and the swing is in the initial position. A locking member capable of adjusting the distance between the lever and the driving member at the standby position after the return is provided.

[0008]

The distance between the swinging lever at the initial position locked by the locking member and the driving member at the standby position after the backward movement is adjusted, and the driving member moves by a minimum distance during forward movement to swing. The swing lever is swung by engaging with the moving lever with a minimum impact.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

In FIG. 3, (1) denotes an X moving in the XY directions by rotation of an X-axis motor (2) and a Y-axis motor (3).
A Y-table on which a printed circuit board (5) on which a chip-shaped electronic component (4) (hereinafter, referred to as a chip component or a component) is mounted is placed.

[0011] (6) is a supply table, chip components (4)
A large number of component supply devices (7) for supplying the components are provided. Reference numeral (8) denotes a supply stand drive motor, which rotates the ball screw (9) to fit the ball screw (9) through a nut (not shown) fixed to the supply stand (6). 6) is guided and moved by the linear guide (10).

(11) is a turntable which rotates intermittently. A suction nozzle (1) is provided on the outer edge of the turntable (11).
The mounting heads (13) having four (2) are arranged at equal intervals in accordance with the intermittent pitch.

The stop position of the mounting head (13) at which the suction nozzle (12) sucks and picks up the component (4) from the supply device (7) is a suction station. An outside suction nozzle (12) sucks the component (4).

The next stop position of the suction head (13) is a recognition station, in which the component recognition device (14) recognizes the displacement of the component (4) to be sucked by the suction nozzle (12). .

The next mounting head (1) of the recognition station
The stop position of 3) is the angle correction station, and based on the recognition result by the recognition device (14), the suction nozzle (1) is stopped.
2) is rotated in the θ direction by the nozzle rotation roller (15), and the positional deviation of the rotation angle of the component (4) is corrected.

The next stop position of the angle correction station is:
A mounting station, on which a component (4) to be suctioned by a suction nozzle (12) of the station is mounted on the substrate (5).

Next, the component supply device (7) will be described.

In FIGS. 2 and 4, reference numeral 18 denotes a tape for enclosing the chip parts 4 at regular intervals. A cover tape 19 covers the chip parts 4 from above so that the chip parts 4 do not fly out. Affixed. The tape (20) of the present embodiment is a paper tape having a flat back surface as shown in FIG. 8, and encloses a small chip component (4) such as "1 mm × 0.5 mm".

The supply device (7) intermittently feeds the tape (18) in accordance with the interval between the enclosed components (4), and supplies the component (4) to the suction position of the suction nozzle (12). is there. Reference numeral (20) denotes an elevating rod for driving the tape feeding operation, which is mounted above the component supply device (7) stopped at the position for sucking the component (4) by the movement of the supply table (6), and is not shown. It moves up and down by the drive source.

Reference numeral (22) denotes a swing lever pivotally supported by a support shaft (25) on a cassette side wall (24) extending above the cassette main body (23). ) Is formed on the engaging piece (2) formed on the lever (22).
When the lifting rod (20) moves upward from the position shown in FIG. 2 to the position shown in FIG.
By the biasing force of a tension spring (27) stretched between the engagement piece (26) and the cassette side wall (24), the rocker swings to a position shown in FIG. 2 which is regulated by the stopper pin (28).

As shown in FIG. 1, the stopper pin (28) has a shaft screw (29), which is a separate component from the stopper pin (28), screwed into a screw hole formed in the pin (28). It is screwed eccentrically to the cassette side wall (24),
As shown in FIG. 12, by changing the position of rotation and regulation and screwing, when the swing lever (22) is locked by the stopper (28), the gap with the lifting rod (20) is reduced. It has been made adjustable. Since the ascending position of the elevating bar (20) is adjusted on the main body side, the dispersion of each supply device (7) is adjusted. However, the elevating bar (20) is started to descend by a cam (not shown). However, since the cam curve is set so that the lowering speed and acceleration are smaller as the lowering start time is closer, the swinging lever (2) of the raising and lowering rod (20) is smaller as the gap with the raising and lowering rod (20) is smaller.
The impact at the time of contact with 2) is small, the component (4) to be sucked is less likely to be displaced or jumped out by the impact, and the suction nozzle (12) can surely suck the component (4). . On the other hand, even if the gap is reduced, if the lifting device (20) hits the lifting rod (20) due to the variation of the supply device (7) itself, the variation in the mounting thereof, the vibration, or the like, there is a danger that the clearance is adjusted with some allowance. are doing.

A transmission lever (30) is rotatably supported at the lower end of the swing lever (22), and a feed lever (31) is supported at the other end of the lever (30). The movement of the swing lever (22) is transmitted to the control unit. The feed lever (31) is attached to the cassette body (23) so as to be swingable about the feed lever support shaft (32) as a fulcrum, and the swing lever (22) is swung in the counterclockwise direction to rotate in the counterclockwise direction. The feed pawl (33) pivotally supported at one end thereof meshes with the feed gear (34) supported by the support shaft (32), and the feed stopper (35) moves counterclockwise in FIG. Is rotated by a predetermined angle to the position regulated by. A sprocket (36) is integrally attached to the feed gear (34), and a flat chute surface (37) formed on the cassette body (23).
A sprocket (36) is inserted into a feed hole (38) drilled on the left side in the transport direction of the tape (18) which is mounted on the tape cassette (18) and stretched from a reel cassette on the right side of FIG. A feed pin (39) implanted at a constant interval on the outer circumference is fitted, and the tape (18) is fed to the left side of FIG. 2 at a predetermined pitch by the rotation of the feed gear (34). Is located at the component suction position (T) immediately before the portion where the feed pin (39) is fitted. The suction position (T) is provided as close to the feed pin (39) as possible to reduce the effects of expansion and contraction and bending of the tape (18). Reference numeral (40) denotes a reverse rotation preventing claw that is fitted to the feed gear (34) by the biasing force of the spring (41) to prevent the gear (34) from rotating clockwise.

Reference numeral (43) denotes a suppressor pivotally supported on the cassette side wall (24) by a support shaft (44). The suppressor (43) lifts the tape (18) fed on the chute surface (37) by the urging force of a spring (45). To prevent the tape (18) from lifting up, and to cover the tape (1) from the tape (18) at a position short of the suction position of the component (4) (right side in FIG. 2).
9) has an opening (46) for peeling it off. A pin (48) is attached to the left end of the suppressor (43) in FIG.
A suppressor pressing piece (51) pivotally supported by being urged in a counterclockwise direction in FIG. 2 by a spring (50) extending from the cassette main body (23) and attached to the pin (48). , And the downward pressing of the suppressor (43) is reinforced because the pressing force is insufficient with only the spring (45) because the suppressor (43) is long. Also, the suppressor (43) is bent in a U-shaped cross section with an open lower part for the purpose of increasing the strength.
In addition to covering the top, the tape (18) is also roughly regulated from the side of the chute surface (37). The regulation from the side is that the gap with the end face of the tape (18) is about 0.5 mm, and the position in the lateral direction is not fixed.

The cover tape (19) peeled off from the tape (18) is attached to the cover tape reel (54) pivotally supported on the side wall (24) by the reel support shaft (53).
4) Winded from below.

The mechanism for winding the reel (54) will be described.

A ratchet lever (55) is rotatably supported on the reel support shaft (53). A roller (56) is rotatably supported at one end of the ratchet lever (55). A tension spring (5) stretched between the levers (22)
7), the roller (56) is pivoted by the swing lever (2).
2) pressed. The ratchet lever (55) has a ratchet pawl (59) formed so as to mesh with a ratchet gear (58) formed integrally with the reel (54).
When the swing lever (22) swings counterclockwise by the lowering of the lifting rod (20), the reel (54) rotates counterclockwise by swinging the ratchet lever (55). And wind up the cover tape (19). (6
Reference numeral 0) denotes a reverse rotation preventing claw that meshes with the ratchet gear (58) to prevent the reel (54) from rotating in the reverse direction.

A protruding piece (62) is formed at the right end of the suppressor (43) in FIG.
The protruding piece (62) enters below the suppressor engaging protrusion (63) formed below 2) as shown in FIG. 5, so that the suppressor (43) can be kept in the raised state. Has been done. The swing lever (22)
The projection (63) is bent so as to form a recess in the depth direction in FIG. 5 below the support shaft (25), and the projection (63)
2).

In the state shown in FIG. 5, when the operator pushes down the engaging piece (26) of the swing lever (22) by hand or the like, the protrusion (63) escapes to the right as shown in FIG. , Spring (4
The suppressor (43) is lowered by the biasing force of (5), and the tape (18) can be pressed. If the suppressor (43) is lifted by hand when raising the suppressor (43), the protruding piece (62) can push the protruding portion (63) against the tension spring (27) to enter the lower portion thereof. At this time, the projecting piece (62) presses the suppressor engaging projection (63) by the urging force of the spring (45), and rotates the swing lever (22) clockwise together with the urging force of the tension spring (27). The lever (22) is locked to the stopper pin (28), and at this locked position, the protruding piece (62) is locked to the protruding portion (63) and the suppressor (4) is locked.
3) is held as shown in FIG.

When the suppressor (43) is pressing the tape (18) as shown in FIG.
The lever (22) is at a position where the lever (22) is locked by the stopper pin (28) even when the lever (22) is not pressing the lever (22) so that the protruding piece (62) does not press the lever (22). The upper part of the suppressor engaging projection (63) is escaped.

A shutter (64) is slidably mounted on the suppressor (43), and is a cassette body (23).
The tape (18) is swung by a shutter lever (66) rotatably supported around a shutter support shaft (65).
It slides on the top. The shutter lever (66) swings by the reciprocating motion of the shutter drive lever (67) engaging below and the urging force of the spring (68).
When the feed (6) is being moved or while the supply table (6) is moving, the shutter (6
The upper part of the part (4) covered with 4) and wound with the upper cover tape (19) is pressed by a pressing piece (64A) (see FIG. 13) formed by bending the shutter (64). The part (4) is prevented from jumping out, and the lever (6) is only used when the nozzle (12) descends and the part (4) is sucked.
7) is pulled to the left in FIG. 2 so that the shutter (64), that is, the pressing piece (64A) moves, and opens the upper surface of the component (4) at the suction position (T). The shutter drive lever (67) is provided not on the component supply device (7) but on the main body side of the component mounting device, and is driven by a drive source (not shown).

Reference numeral (69) denotes a shutter lever stopper which is engaged with a shutter lever (66) which swings by the urging force of a spring (68). The shutter (64) allows the component (4) at the component suction position (T) to move. The shutter (64) is positioned when it is in the covering position, and the distance of the gap between the shutter drive lever (67) and the shutter lever (66) at that time is determined. Since the stopper (69) is eccentrically screwed to the cassette body (23) by the spindle screw (69A) and the nut (69B), the screw (69A) is loosened and rotated as shown in FIGS. The shutter lever (6
The gap between the drive lever (67) and the drive lever (67) can be adjusted so as not to collide with the movement of the supply stand (6) and to reduce the impact due to the movement of the drive lever (67), and the shutter (64).
Can be adjusted. Thereby, individual variations of the supply device (7) can be adjusted. FIG. 13 and FIG.
As shown at 4, the stopper (69) is displaced with a width of 0.5 mm and the position of the shutter (64) is displaced by 0.7 mm.

Next, the guide of the tape (18) on the chute surface (37) will be described with reference to FIGS. 2, 7 and 8. Tape (18) on chute surface (37)
Is regulated by the cassette side wall (24) from the near side in FIGS. 2 and 7, and is regulated by the guide wall (70), the guide (71) and the guide (72) from the other side in FIGS. . Guide wall (70) is chute surface (37)
The tape (18) is provided so as to rise from the chute surface (37), and the gap with the end face of the tape (18) is set to about 0.1 mm or less to regulate the tape (18) from the side so that there is almost no gap. . The gap between the cassette side wall (24) and the end face of the tape (18) is also set to about 0.1 mm or less.

The tape (18) is pulled and fed at the position of the feed hole (38) by the feed pin (39) implanted in the sprocket (36), and the position of the feed hole (38) is the position of the tape (18). Due to the displacement on one side, a frictional force acts on the opposite side to stop between the chute surface and the pin (39) is engaged especially in the case of the tape (18) having a flat bottom as in this embodiment. 7, but the tape side wall (24) restricts the tape 18 from shifting in the clockwise direction in FIG. The guide wall (70) hits the cassette side wall (24) and abuts against the tape (18), which tends to shift counterclockwise in FIG.

A sprocket (36) at a position where the feed pin (39) is inserted into the innermost part of the feed hole (38).
The distance in the transport direction from the top position of the sprocket to the component suction position (T) is 10 mm, and the distance from the top position of the sprocket to the guide wall (7).
30 mm to the position where the rising of 0) starts, and 5 mm from the top position of the sprocket to the highest position of the guide wall (70).
6mm, cassette side wall (2
The distance to the end of 4) is 86 mm.

With the guide (71) alone without the guide wall (70), the distance from the top position of the sprocket (36) is about twice the distance to the cassette side wall (24), and even if the guide (71) is restricted. At a position closer to the suction position (T) than this, the tape (18) bends in the horizontal direction, and the component (4) shifts at the suction position.
On the other hand, the guide wall (70) and the cassette side wall (24)
, The distance from the top of the sprocket (36) to the bend of the tape (18) due to the rigidity of the tape (18), the displacement at the suction position (T) due to the suction nozzle (1).
This is a range that does not cause a problem in component recognition by the suction and recognition device (14) according to 2).

The guide wall (70) and the cassette side wall (2)
The closer the position 4) is to the component suction position (T), the better the restriction of the bending of the tape (18) can be made even if the rigidity of the tape (18) is weak.
In the position where is pressed from above, the suppressor (43) is provided with a side wall to cover the chute surface (37), so that the top surface of the suppressor (43) presses the upper part of the guide and the tape (18) cannot be pressed. Therefore, the guide wall (70) is erected at a position closest to the suction position (T) where the suppressor (43) does not press the tape (18). The displacement at (T) is further reduced.

A guide may be provided on the cassette side wall (24) closer to the suction position (T). However, the sprocket (36) side has a feed mechanism component, and the chute surface (37) is connected to the tape (18). ) Cannot be protruded due to the restriction of the width of the supply device (7), and the guide cannot be moved closer to the suction position (T). However, the guide may be set up by escaping the mechanical parts and making the chute partly wider, but the processing becomes difficult.

Further, although the processing of the suppressor (43) becomes difficult and the strength is weakened, a guide wall is provided at a position closer to the suction position (T) on either side of the tape (18), and the portion is formed. A hole may be made in the suppressor (43) to escape. The position closer to the suction position (T) may be on the left side in FIG. 7 of the suction position (T). Guide wall (7
0) may be firmly fixed with screws or the like as another component.

Next, the component supply device (7) is connected to the supply table (6).
2 and FIGS. 9 to 11 will be described.

Reference numerals (73) denote mounting pins mounted one by one on the front and rear of the lower part of the cassette body (23) of the supply device (7), and mounting plates (74) on the front and rear of the supply table (6).
The feeding device (7) is positioned by fitting into the mounting holes (76) and (77) formed in the (75).
Reference numeral (78) denotes a lock lever pivotally supported by a support shaft (79). A lock claw (80) at the tip of the lever (78) is provided on a lock plate (81) provided on the supply stand (6). The feeding device (7) is pressed against the lower surface of the claw engaging projection (81A).
To the supply stand (6).

Reference numeral (82) denotes an erroneous mounting prevention pin, which is provided at a position to enter a groove (83) cut out in the lock plate (81) below the cassette body (23). The mounting plate (74) is provided with a round mounting hole (76) of a size such that a cylindrical mounting pin (73) is removably fitted without play, but with a spacing of "A / 2". ).

Mounting hole (77) of mounting plate (75)
Is an elongated hole having a width substantially the same as the diameter of the mounting pin (73) and being longer than the diameter in a direction substantially perpendicular to the moving direction of the supply table (6), and corresponds to each mounting hole (76). The mounting hole (77) is formed on a straight line (L) substantially perpendicular to the direction of movement of the supply table (6), and the space “A / 2 ".

The component supply device (7) has the mounting pins (73) before and after the mounting holes (76) (77) on the straight line (L) which is a direction orthogonal to the moving direction of the supply table (6). The proper position is fitted, and when mounted in this way, the erroneous mounting prevention pin (82) enters the corresponding groove (83) so that locking by the lock lever (78) can be performed. In this embodiment, since the erroneous mounting prevention pin (82) is provided on a straight line connecting the positions of the front and rear mounting pins (73), the position of the groove (83) is determined by the mounting hole (76).
Lock plate (8) on the straight line (L) connecting (77)
1) is formed by cutting the end substantially vertically, and its width is incorrect when the front and rear mounting pins (73) and (73) are inserted into the mounting holes (76) and (77) arranged on the straight line (L). The mounting prevention pin (82) enters, and the front and rear mounting pins (73) (7)
If 3) is inclined with respect to the direction as shown in FIG. 9, the pin (82) cannot be inserted and the pin (82) gets on the plate (81).

The depth of the groove (83) in the left-right direction in FIG. 2 is such that when the front pin (73) is fitted into the mounting hole (76), the pin (82) The pin (73) in front of the mounting hole (7).
6) The lock claw (80) urged to the left in FIG. 2 by the spring (86) in a state where the lock claw is not in the claw engagement protrusion (81A).
, So that the pin (82) is engaged with the vertical surface at the back of the groove (83) so as not to be locked.

The mounting pins (73) and (73) before and after the supply device (7) to be mounted on the supply table (6) have the mounting holes (77) formed as elongated holes and the mounting holes (76).
(77) The disposition interval “A /
Due to the narrowness of "2", the fitting holes (76) and (77) in directions other than the direction orthogonal to the moving direction of the supply table (6) are fitted. In this state, the lowered position of the suction nozzle (12) does not match the position of the component (4) to be supplied.

The erroneous mounting prevention pin (82) and the groove (83) fitted therein prevent such a state. That is, the length of the erroneous mounting prevention pin (82) is sufficiently long, and the pin (82) does not enter the groove (83), and the plate (8) does not.
With the supply device (7) being substantially horizontal while riding on 1), the tips of the front and rear pins (73) are attached to the mounting plate (74).
(75) higher than both mounting holes (76)
(77) that both pins (73) do not enter even if it is the tip of the pin (73), and that the supply device (7) must be tilted enough to be seen by the operator when tilted back and forth. Since the pins (73) and (73) do not come into contact with the mounting plates (74) and (75), the operator can notice that the mounting is erroneous.

In the lock structure of this embodiment, the length of the pin (82) is slightly shorter or the length of the pin (73) (7
If the length of the pin 3) is long, and the pin (73) (73) is slightly inserted into one or both of the mounting holes (76) (77) without knowing that the supply device (7) is tilted, the lock pawl ( 80) is locked by pressing the end face of the lock plate (81), and it is difficult to distinguish the normal state from the normal state. However, changing the structure of the lock mechanism or providing an alarm device, etc. Therefore, if the pin (82) is short and the pin (82) rides on the plate (81) and the supply device (7) floats for a short distance, the pin (82) is not locked even if it is not locked. For example, it is possible to recognize that the mounting is erroneous by not locking.

There are several types of widths in the direction in which the component supply device (7) is arranged on the supply table (6). As shown in FIG. 10, the supply devices (7) having the same width are arranged and the mounting holes (76) are provided. ) (7
7) The ones arranged every other one, that is, those arranged almost at intervals of "A" are the narrowest. The next widest one is every third mounting hole (76) (77), that is, "3A /
They are arranged almost without gaps at intervals of 2 ". As shown in FIG. 11, the supply devices (7) having the two widths can be arranged with almost no gaps regardless of how they are arranged.

In this embodiment, "A" is 17 mm, the width of the narrowest supply device (7) is 16.5 mm, and the width of the next largest is 2 mm.
3 mm.

In FIG. 2, (84) is a supply device (7)
And a reflector provided adjacent to the guide (72), and is mounted on the cassette body (23) substantially horizontally below the tape (18) extending from a reel (not shown) to a component suction position. At a position above the reflection plate (84) of the supply device (7) stopped at the component suction position, a photo sensor (85) is fixedly attached to a main body (not shown) of the component mounting device. The photo sensor (85) is composed of a light emitter and a light receiver, and a light beam is emitted from the light emitter toward the reflection plate (84), and the reflection plate (84).
And is received by the light receiver.
When the tape (18) is on the reflector (84), the light emitted from the projector is irregularly reflected by the tape (18), so that the light received by the light receiver is insufficient, and the tape (18) is present. Is detected. Therefore, the presence or absence of the tape (18), that is, the end of the tape can be detected.

When the photo sensor (85) loses its output due to a failure such as a disconnection, the presence of the tape, that is, the reflected light from the reflection plate (84) is determined so that it is not determined that there is no tape despite the presence of the tape. When the light is not received, the same output as that at the time of disconnection may be output.

The operation of the above configuration will be described below.

First, according to the type of the printed circuit board (5) on which the chip component (4) is to be mounted, the operator places the component supply device (7) on the supply table (6). That is, for example, FIG.
As shown by 0, the supply device (7) is inserted by mounting pins (73) before and after the supply device (7) into mounting holes (76) and (77) arranged on the straight line (L), respectively. Is positioned, and after rotating counterclockwise, the lock lever (78) is rotated clockwise so that the lock claw (80) is engaged with the claw engaging projection (81) of the lock plate (81).
It is engaged with and fixed to the lower surface of A). (See FIG. 2).

At this time, since the erroneous mounting prevention pin (82) has entered the groove (83), the mounting pin (73) is not provided.
The feeding device (73) is inserted into the mounting holes (76) and (77), and the supply device (7) is mounted at a correct position. The mounting pins (73) before and after the feeding device (7) are connected to the supply table (6). When the rear mounting pin (73) is inserted into the adjacent mounting hole (77) as shown in FIG. 9, for example, the pin (82) becomes a groove. (8
3) can not get inside, so that the pin (7
3) Since the (73) cannot be inserted into the mounting holes (76) and (77), the operator notices that the supply device (7) has been mistakenly inserted, and replaces the supply device (7) in a correct position.

In this way, for example, FIGS.
"A" is determined by the width of the supply device (7) as shown in FIG.
Or at an interval of “3A / 2”.

As described above, when the supply device (7) is disposed on the supply table (6), the suction nozzle (12) sucks the component (4) from the supply device (7) and the printed circuit board (7). The operation of attaching to (5) is performed.

Next, when the operation unit (not shown) is operated to start the automatic operation, the motor (3) is rotated to supply the desired part (4) via the ball screw (9). Nozzle (1
The supply table (6) is guided by the linear guide (10) to move to the suction position of 2).

During this movement, the shutter lever (66) is moved around the shutter support shaft (65) by a spring (68) as shown in FIG.
The shutter (64) is moved in the tape feed direction, and the tape (1) is removed with the upper cover tape (19) peeled off.
8) It covers the part (4) enclosed in the inside and prevents the part (4) from jumping out during the movement.

When the supply device (7) stops, the lifting rod (2)
0) descends and comes into contact with the engaging piece (26) of the swing lever (22) and pushes it down, so that the swing lever (22) swings counterclockwise as shown in FIG. 4, and the transmission lever (30). The feed lever (31) swings counterclockwise through the feed claw (3).
3) rotates the feed gear (34) to rotate the sprocket (3).
6) is rotated. The feed pin (39) feeds the tape (18) at a predetermined pitch by the rotation of the sprocket (36), but the end face of the tape (18) in the direction in which the feed hole (38) is located by the cassette side wall (24) as shown in FIG. However, since the end face of the tape (18) in the direction opposite to the feed hole (38) is restricted by the guide wall (70), the part (4) is positioned at the correct position without bending the tape (18) at the suction position. Will be done. During the feeding operation of the tape (18), the suppressor (43) holds the tape (18) so that the tape (18) does not float upward.

On the other hand, when the swing lever (22) swings counterclockwise, the ratchet lever (55) swings counterclockwise via the tension spring (57), and the ratchet pawl (5) is rotated.
9) meshes with the ratchet gear (58) and rotates the cover tape reel (54) counterclockwise by a predetermined angle. The opening (4) of the suppressor (43) is caused by the rotation of the reel (54).
The cover tape (19) is wound around the reel (54) while being peeled off from the tape (18) at the position (6). Also,
At this time, the shutter (64) covers the upper part of the component (4) from which the cover tape (19) has been peeled off so that the chip component (4) does not fly out.

Next, when the lifting rod (20) moves upward, FIG.
The swing lever (22) is connected to the tension spring (2) as shown in FIG.
The urging force of 7) returns clockwise, the feeding operation of the tape (18) and the peeling operation of the cover tape (19) are stopped, and the chip component (4) to be sucked next is the component by the suction nozzle (12). It is located at the suction position.

Next, the shutter drive lever (67) is
When it is pulled to the left, it engages with the shutter lever (66), swings the lever (66) clockwise, and the shutter (64) moves to the right. Thus, the upper part of the chip component (4) at the component suction position is opened.

Next, the suction nozzle (12) descends, sucks the correct position of the component (4) at the component suction position, and moves up. When the suction operation of the suction nozzle (12) is completed, the shutter drive lever (67) returns to the right side, the shutter lever (66) swings counterclockwise by the urging force of the spring (68), and the shutter (64) ) Returns to the left and covers the component suction position.

Next, when the nozzle (12) sucks the component (4), the turntable (11) rotates intermittently, the next nozzle (12) moves to the suction station, and the component ( The supply device (7) for supplying 4) is moved to the suction position of the nozzle (12) by the rotation of the motor (8). When the nozzle (12) sucks the component (4), the turntable (11) rotates intermittently, and the nozzle (12) that first sucks the component (4) moves to the recognition station.

Then, at the station, the nozzle (1)
The picked-up component (4) of 2) is a component recognition device (14)
Will be recognized. At this time, since the suction nozzle (12) sucks a position within the recognizable allowable range of the component (4), the suction nozzle (12) does not lose recognition. The nozzle (12) stopped at the recognition station by the intermittent rotation of the next turntable (11) moves to the angle correction station,
The nozzle rotation roller (15) corrects the positional deviation of the rotation angle in the θ direction of the component (4) based on the recognition result of the recognition device (14).

The nozzle (1) stopped at the angle correction station due to the intermittent rotation of the next turntable (11).
2) is moved to the mounting station, and the XY table (1) is corrected by the rotation of the X-axis motor (2) and the Y-axis motor (3) based on the recognition result of the recognition device (14).
The component (4) sucked by the nozzle (12) is mounted at a position where the printed board (5) is to be mounted.

The above operation is repeated, and the components (4) are sequentially sucked from the respective component supply devices (7).

Thus, the tape (18) wound on the reel (not shown) gradually becomes shorter, and the end thereof approaches the position of the reflector (84). Photo sensor (85)
While the tape (18) is on the reflector (84),
Irregularly reflected by the tape (18), and the presence of the tape (18) is detected, but when the tape (18) is sent,
When the end of the tape (18) passes the reflector (84) and the photo sensor (85) receives the reflected light from the reflector (84), the absence of the tape (18), that is, the running out of the material of the component (4) is detected. And inform the worker accordingly.

Next, the operator stops the component mounting operation using an operation key (not shown), and replaces the component mounting device that has run out of material.

That is, after the lock is released by the lock lever (78), the supply device (7) is removed from the supply table (6).

Next, when the operator removes the suppressor pressing piece (51) from the pin (48) and lifts the suppressor (43) against the spring (45), the protruding piece (62) moves the swing lever ( After pivoting 22) counterclockwise, it enters the lower side of the suppressor engaging projection (63) to reach the state shown in FIG. 5, and the projection (63) presses the projection piece (62) so as not to move upward. This state is maintained. In this state, the remaining tape (18) is removed, and the cover tape (19) wound around the reel (54) is removed.

Next, a new tape (18) is mounted on the chute surface (37), and the feed pin (39) is inserted into the feed hole (38).
Into the opening (4).
6), and after the engagement piece (26) of the swing lever (22) is pressed downward as shown in FIG. 6, the suppressor engagement projection (63) is moved to the right. To escape
The suppressor (43) descends and presses the tape (18) by the urging force of the spring (45). Thereafter, the pressing piece (51) is engaged with the pin (48), and the force of pressing the tape (18) of the suppressor (43) by the spring (50) is increased.

Next, in the same manner as described above, the component supply device (7) is mounted at a predetermined position on the supply table (6) by the mounting pin (73).
(73) is inserted into the mounting holes (76) and (77), and the lock lever (78) is used to lock the lock claw (80) to the lock plate (81) for mounting.

In this embodiment, the erroneous mounting prevention pin (82)
Is provided on the component supply device (7) and the groove (83) for fitting the pin (82) is provided on the supply table (6). Alternatively, a pin that fits into the groove or hole may be provided at a position that fits into the groove or hole only when the supply device is mounted in the correct position.

Further, the erroneous mounting prevention pin (82) is used not only when the mounting pin (73) for positioning the component supply device (7) is erected from the component supply device (7) as in this embodiment, but also Thus, even when the pin for positioning the component supply device (7) is erected on the supply table (6) and the supply device (7) is provided with a hole for fitting the pin, the same operation is performed. Helps prevent incorrect mounting.

[0076]

As described above, according to the present invention, the distance between the swinging lever in the initial position and the driving member in the standby position can be adjusted to a minimum, so that the impact when both are engaged is minimized. The chip component can be taken out reliably.

[Brief description of the drawings]

FIG. 1 is a side view showing a state in which a swing lever is locked to a stopper pin, viewed from a direction opposite to FIG. 2;

FIG. 2 is a side view of the component supply device.

FIG. 3 is a plan view of a component mounting apparatus to which the present invention is applied.

FIG. 4 is a side view of the component supply device.

FIG. 5 is a side view of the component supply device.

FIG. 6 is a side view of the component supply device.

FIG. 7 is an enlarged plan view near a component suction position of the component supply device.

FIG. 8 is an enlarged side view near a guide wall of the component supply device.

FIG. 9 is a plan view in which a component supply device is provided on a supply table.

FIG. 10 is a plan view in which a component supply device is disposed on a supply table.

FIG. 11 is a plan view in which a component supply device is provided on a supply table.

FIG. 12 is a side view showing a state in which the swing lever is locked to the stopper pin, viewed from the opposite direction to FIG. 2;

FIG. 13 is a side view showing a state where the shutter lever stopper pin is eccentric as viewed from the opposite direction of FIG. 2;

FIG. 14 is a side view showing a state in which the shutter lever stopper pin is eccentric when viewed from the opposite direction of FIG. 2;

[Explanation of symbols]

 (4) Chip-shaped electronic component (chip component) (7) Component supply device (18) Tape (19) Cover tape (20) Lifting rod (drive member) (22) Swing lever (27) Tension spring (biasing means) (28) Stopper pin (locking member) (54) Cover tape reel (reel)

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H05K 13/02

Claims (1)

(57) [Claims] A drive member at a standby position is engaged by forward movement, swings a swing lever, rotates a sprocket, and sends a tape enclosing a chip component to a component pick-up position. In a component supply device, the reel is rotated to take up a cover tape covering the upper surface of the tape while peeling off the tape, and when the driving member returns, the swing lever is urged by urging means to return to an initial position. When the member is moved back, it is stopped by the swing lever which is urged by the urging means and returned to the initial position, and is moved to the swing position at the initial position and the standby position after the return. A component supply device comprising: a locking member capable of adjusting a distance from a certain driving member.