JPH09162596A - Positioning structure and method for component feeder - Google Patents

Abstract

(57) Abstract: [PROBLEMS] To provide a positioning structure and a working method for a component feeder capable of accurately positioning a pickup nozzle at a position for picking up a work. A positioning structure that includes a component supply device (1) and a component pickup device (90) and that picks up a work (101) arranged on a work pickup stage member (72) of the component supply device (1) by a vacuum suction nozzle (91) of the component pickup device (90). In the method and the method, the pin 92 (alignment portion) on the vacuum suction nozzle 91 side is abutted against the cutout portion 83 (reference portion) formed on the work pickup stage member 72 side, and the vacuum suction nozzle for the work pickup stage member 72 is attached. Position 91.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a positioning structure and method for a component feeder, and more particularly to a positioning structure and method for accurately aligning the position of a pickup nozzle of a component pickup device with the position of a work pickup of a component supply device. is there.

[0002]

2. Description of the Related Art Generally, when mounting a chip-shaped component on a printed wiring board, a method of picking up one chip-shaped component (work) one by one by vacuum suction or the like and carrying it on the printed wiring board to mount it. Has been taken. In this method, when chucking chip-shaped parts by vacuum suction etc.,
How accurately they can be picked up in the same direction and placed on the printed wiring board greatly affects productivity. Therefore, a method of so-called "parts handling" is used, in which components are once aligned and supplied before being picked up by vacuum suction with an air chuck or the like.

[0003]

By the way, in order to accurately mount the work (chip component) on the land of the printed wiring board, it is necessary to accurately position the suction head (pickup nozzle) at the position of the work. However, this type of work is generally small in size. For this reason,
The work is difficult to see when finely adjusting the position of the tip of the suction head to the work position. Therefore, it is necessary to repeat the alignment many times while observing the positional relationship of the workpiece sucked by the suction nozzle, which causes a problem of poor workability.

The present invention has been made in view of the above problems, and an object thereof is to provide a positioning structure and a working method for a component feeder capable of accurately positioning a pickup nozzle at a position for picking up a work. To do. Further, other objects will be clarified sequentially in the contents described below.

[0005]

As a structure and a method for achieving the above object, a component supply device and a component pickup device are provided, and a work arranged in a work pickup portion on the side of the component supply device is used as the component. In a positioning structure and method for picking up by a pick-up nozzle on a pick-up device side, the pick-up for the work pick-up part is performed by abutting an alignment part on the pick-up nozzle side against a reference part formed on the work pick-up part side. The nozzles are aligned. According to this, by aligning the alignment portion on the pickup nozzle side with the reference portion formed on the workpiece pickup portion side, the alignment between the workpiece pickup portion and the pickup nozzle and the correlation between the workpiece and the position such as the alignment and the pickup By correcting the dimensional data of the nozzle position, the pickup nozzle can be easily and accurately aligned with the position for picking up the work.

Further, as another structure and method for achieving the above object, a component supply device and a component pickup device are provided, and a work arranged in a work pickup portion of the component supply device is picked up by the pickup device. In a positioning structure and method for picking up with a nozzle, at the time of picking up a work, reference marks for positioning are respectively provided at two positions, front and rear or left and right, sandwiching a pickup position where the pickup nozzle is arranged on the work pickup part. The pickup nozzle is provided so as to align the pickup nozzle with the reference mark. According to this, even if the workpiece is difficult to see and is not aligned as a guide, if the reference mark is used as a guide, the pickup nozzle can be easily and accurately aligned with the position for picking up the workpiece.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described in detail below with reference to the drawings. 1 to 5 show a component supply device according to an embodiment of the present invention.
Is a perspective view seen from one side, FIG. 2 is a perspective view seen from one side with a part disassembled, FIG. 3 is a side view seen from one side, and FIG. 4 is a side seen from the back side. 5 and 5 are perspective views of the same as seen from the back side. In addition, FIG. 6 is AA of FIG.
It is a cross-sectional enlarged view which follows the line.

1 to 6, the component supply device 1 is mainly composed of a base 2 and a small chamber molded body 3. The base 2 is an aluminum member, and has three positioning pins 9 (see FIGS. 3 and 4) on the bottom 2a for positioning on a mounting machine (not shown). Further, on the rear end side (rear surface 2e side), a notch 4 is made from the bottom surface 2a toward the upper surface 2b, and a grip 5 for facilitating mounting / dismounting to / from the mounting machine is formed by this notch 4. . Further, a recess 6 is formed on one side surface 2c (hereinafter referred to as "front surface 2c"), and a first recess portion 7a is formed on the other side surface 2d (hereinafter referred to as "rear surface 2d"). Recess 7 made up of three recesses, second recess 7b and third recess 7c
Are formed.

More specifically, a drive side pulley 11, an end support pulley 12 and a tensioner 13 are provided in the recess 6 on the surface 2c side. Of these, the drive pulley 11
Are formed in a wheel shape with saw teeth provided at equal pitches on the periphery, and on the front surface 2f side of the base 2, both side surfaces (2
(c, 2d) is rotatably attached to the support shaft 14 through a support shaft 14 that is rotatably attached. Further, in the periphery of the drive pulley 11, a cutout portion 15 cut out in the upper surface 2b and a cutout portion 16 cut out in the front surface 2f are formed. End support pulley 12
Is formed as a wheel having saw teeth formed around it at the same pitch as that of the drive pulley, and is rotatably attached via a support shaft 17 arranged on the rear surface 2e side. The support shaft 17 has a long hole 18 formed so as to penetrate the base 2 in the front-back direction and extend in the front-back direction.
It is mounted inside of the elongated hole 18 so as to be movable and adjustable in the longitudinal direction. By this movement adjustment, the distance between the drive pulley 11 and the end support pulley 12 can be adjusted. Further, in the periphery of the end support pulley 12, a cutout portion 19 cut out in the upper surface 2b is formed. The tensioner 13 is formed in a tubular shape, and the drive side pulley 1
1 and the end support pulley 12 and rotatably arranged with respect to the support shaft 20 via the support shaft 20.
The supporting shaft 20 penetrates the base 2 in a front-back direction and is formed in a long hole 21 formed in a state of extending in the vertical direction.
The elongated hole 21 is attached so as to be movable and adjustable in the longitudinal direction.

A timing belt 22 is provided between the drive pulley 11 and the end support pulley 12 so that the inner surface has a timing belt 22 having teeth that mesh with the teeth of the drive pulley 11 and the teeth of the end support pulley 12, respectively. This timing belt 2
The tensioner 13 is brought into contact with the lower side of the second belt 2 to remove the slack of the timing belt 22. Also, the slack adjustment of the timing belt 22 is
By moving the support shaft 17 together with the end support pulley 12 in the longitudinal direction in the elongated hole 18 or moving the support shaft 20 together with the tensioner 13 in the elongated hole 21 in the vertical direction, optimum tension adjustment can be performed. Further, when the timing belt 22 is stretched between the drive side pulley 11 and the end support pulley 12, the upper portion is arranged along the upper surface 2b. A belt guide groove 23 for guiding 22 is formed between the notch 15 and the notch 19,
The timing belt 22 is disposed in the guide groove 23 in a dropped state.

In addition, a cleaner mechanism 24 is provided at the rear of the base 2 corresponding to the recess 6 in which the timing belt 22 is provided. This cleaner mechanism 24
Cleans the outer surface of the timing belt 22 stretched between the drive side pulley 11 and the end support pulley 12, and then the work 101 placed on the timing belt 22.
(See FIG. 15) It is for reducing the frictional force between the through hole 25 and the through hole 25 formed straight from the rear surface 2e to a position corresponding to the end supporting pulley 12 of the recess 6.
And a cleaner rod 26 and the like inserted and arranged in the through hole 25. Of these, a female screw 27 is formed on the inner surface on the rear end side of the through hole 25. On the other hand, a felt 28 is attached to the tip end side of the cleaner rod 26, and a male screw 29 and a knob 30 corresponding to the female screw 27 are formed on the rear end side. Then, when the cleaner rod 26 is inserted into the through hole 25 from the felt 28 side and the male screw 29 is screwed into the female screw 27, the felt 28 is attached in a state of being in contact with the outer peripheral surface of the timing belt 22. In this case, the felt 28 may contain a volatile cleaning liquid. In addition, the timing belt 2 is adjusted by picking the knob 30 and adjusting the screwing amount.
The contact pressure of the felt 28 on the 2 can also be adjusted. In this cleaner mechanism 24, the felt 28 is not always in contact with the timing belt 22, but is kept separated during normal operation by adjusting the screwing amount, and when the timing belt 22 becomes dirty, the felt 28 is screwed into contact with the timing belt 22. The surface may be cleaned.

Next, the first recess 7a, the second recess 7b, and the third recess 7c formed on the back surface 2d side are placed in the recess 7 composed of three recesses. Is provided with a drive mechanism 31. Of the three recesses 7a, 7b, 7c,
The recesses 7a and 7c have a large engraving amount, and the recess 7b is formed with a relatively shallow engraving amount. The third recess 7c is formed by cutting out a part 8 of the upper surface 2b.

A drive mechanism 3 disposed in the recess 7
1 is composed of a timing belt drive system 31a for driving the timing belt 22 and a small chamber molded body side drive system 31b for promoting the supply of components on the small chamber molded body 3 side described later. Of these, the timing belt drive system 31
a is rotatably disposed in the first recess 7a so as to penetrate both side surfaces 2c and 2d, and the drive pulley 1 is provided on the front surface 2c side.
The same as the support shaft 14 to which 1 is attached, the support shaft 14
Ratchet wheel 32 attached to the other end side of the ratchet so as to be integrally rotatable, and a lever 3 for ratchet feeding the ratchet wheel 32, which is also arranged in the first recess 7a.
3, first ratchet pawl 34, second ratchet pawl 35
And so on.

More specifically, the ratchet wheel 32 is
Ratchet teeth are formed on the outer peripheral surface at equal pitches. Further, in the vicinity of the ratchet wheel 32, a notch 36 formed by notching a part of the recess 7a on the upper surface 2b side and a notch 37 formed by notching the front surface 2f are formed.

The lever 33 is attached to the base 2 via the support shaft 14 so that the lever 33 can freely rotate with respect to the support shaft 14. Further, one end 33a of the lever 33 is extended downward, and the other end 33b is extended to the first recessed portion 7.
Inside a, it extends substantially horizontally toward the second recess 7b side. Then, on the other end 33b side, the connecting pin 3 is attached to the tip.
8 is attached, and a protruding shaft 39 is formed in the middle. The upper surface 2b of the base 2 is associated with the protruding shaft 39.
Through holes 40 are formed in the up-down direction so as to be opened in the first recess 7a. Further, the operation lever 41 is inserted into the through hole 40 from the side of the recess 7b,
The lower end of the operating lever 41 is placed on the outer peripheral surface of the protruding shaft 39. When the operation lever 41 is pressed,
The lever 33 can be rotated downward via the protruding shaft 39. On the other hand, on the one end 33a side, the other end of the coil spring 43, one end of which is locked to the pin 42 that is erected in the first recess 7a, is locked, and the tension of this coil spring 43 causes the lever to move. 33 is always rotated upward (counterclockwise in FIG. 4), and the operation lever 41 is urged to move upward via the protruding shaft 39.

The first ratchet pawl 34 is rotatably arranged on the other end 33b side of the lever 33 via a pivot 44, and the pawl portion 34a at the tip is engaged with the ratchet teeth of the ratchet wheel 32. ing. The first ratchet pawl 34 is engaged with the other end of the coil spring 45 whose one end is engaged with the pivot 44. When the ratchet wheel 32 is rotated in the direction of arrow F (belt driving direction) in FIG. 4 by the biasing force of the coil spring 45, the ratchet wheel 32 is rotated in the clockwise direction in FIG. 4 to escape, and conversely, the ratchet wheel 32 is rotated. When 32 tries to rotate in the direction opposite to the arrow F direction, the claw portion 34a is engaged with the teeth of the ratchet wheel 32 so that the ratchet wheel 32 does not rotate in the direction opposite to the arrow F direction.

The second ratchet pawl 35 is rotatably disposed above the lever 33 on the back surface 2d via a pivot 46, and the pawl portion 35a at the tip thereof is a ratchet wheel 32.
Of the ratchet teeth. The second ratchet pawl 35 has a winding spring 47 whose one end is engaged with a pivot 46.
The other end of is engaged. When the ratchet wheel 32 is rotated in the direction of arrow F in FIG. 4 by the urging force of the coil spring 47, the ratchet wheel 34 is moved in the same manner as the first ratchet pawl 34 in FIG.
When the ratchet wheel 32 tries to rotate in the direction opposite to the arrow F direction, the pawl portion 35a bites into the teeth of the ratchet wheel 32, and the ratchet wheel 32 moves in the arrow F direction. It has a structure that prevents it from rotating in the opposite direction. That is, the second ratchet pawl 35 is moved clockwise while the lever 33 is rotated clockwise in FIG. 4 and the first ratchet pawl 34 slides on the ratchet wheel 32, and friction at this time is generated. When the ratchet wheel 32 is about to be rotated clockwise by force, the claw portion 35a of the second ratchet claw 35 is engaged with the ratchet teeth of the ratchet wheel 32, and the ratchet wheel 32 moves in the direction opposite to the arrow F. Suppress rotation.

The timing belt drive system 31
In a, when the operation lever 41 is pressed, the lever 33 is rotated in the clockwise direction in FIG. 4 against the biasing force of the coil spring 43, and the operation lever 41 is moved to the lowermost side. Sometimes, the tip claw portion 34a of the first ratchet pawl 34 is moved to a position where it crosses over two ratchet teeth of the ratchet wheel 32. At this time, ratchet car 32
Has not yet rotated and only the lever 33 and the first ratchet pawl 34 are moved. Next, when the pressing force of the operation lever 41 is released, the lever 33 is rotated in the counterclockwise direction in FIG. 4 by the urging force of the coil spring 43, and at this time, the ratchet wheel 32 is moved by the first ratchet pawl 34 to the arrow F direction.
The control lever 41 is pushed back to the initial position.

The small chamber molded body side drive system 31b comprises a lever 49 rotatably mounted in the second recess 7b via a pivot 48, and one end 49a thereof is the other end of the lever 33. 33b, and the other end 49b extends into the third recess 7c. Further, a long hole 50 is formed at one end 49b of the lever 49, and a connecting pin 38 is engaged in the long hole 50 so that one end 49a is linked to the other end 33b of the lever 33. Then, when the operation lever 41 is pushed down and the lever 33 is rotated downward (clockwise direction in FIG. 4), the lever 49 rotates counterclockwise around the pivot 48 as a fulcrum. To do. On the other hand, when the operation lever 41 is released from rotation and the lever 33 is rotated upward (counterclockwise in FIG. 4), the lever 33 is rotated in the clockwise direction in conjunction with this. There is.

The small chamber molded body 3 is partially provided with a third recess 7c.
It has a base body 51 which is housed inside and is arranged so as to project from the upper surface 2 b of the base 2. More specifically, the base body 51 is made of aluminum, and the lower base body 51A accommodated in the third recess 7c and the upper part disposed so as to project from the upper surface 2b of the base 2 are disposed. Base 51B
And are integrated. A recess 52 is formed on the back surface 51b of the base body 51, and a buffer mechanism 53 is arranged in the recess 52. On the other hand, the base 5
The first small chamber 54 and the second small chamber 5 are provided on the first surface 51a.
5, a push-up piece guide groove 56, and a component guide groove 57 are formed. In addition, elongated holes 82 penetrating the front and back surfaces are formed in the base 51 so as to extend in the vertical direction, corresponding to the push-up piece guide grooves 56.

The buffer mechanism 53 includes a pivot 58 penetrating through the elongated hole 82, one end of each of which protrudes to the front and back sides, and a spacer member 59 fixedly attached to one end of the pivot 58 on the back 51b side. A slide plate 61 having a long hole 60 for escaping the spacer member 59 and movably attached to the spacer 59 in the vertical direction; and an upper bent piece portion 61a of the slide plate 61 and the spacer member 59. It is composed of a coil spring 62 stretched between them. The other end 49b of the lever 49 is linked to the lower end of the slide plate 61 via a pivot 63.

In FIG. 4, when the lever 49 is rotated counterclockwise around the pivot 48 as a fulcrum, the slide plate 61 is pushed upward with the pivot 63 as a fulcrum. Then, the movement of the slide plate 61 is transmitted to the spacer member 59 via the coil spring 62, the spacer member 59 and the pivot 58 are moved upward, and the pivot 5 is moved.
A push-up piece 64, which will be described later, attached to the No. 8 is moved upward in the push-up piece guide groove 56. Further, in this state, when the lever 49 is rotated clockwise around the pivot 48 as a fulcrum, the slide plate 61 is pushed down around the pivot 63 as a fulcrum. Then, the inner surface of the long hole 60 of the slide plate 61 is brought into contact with the spacer member 59, and the spacer member 59 is forcibly pushed down together with the pivot 58,
As a result, the push-up piece 64 is moved downward.

Therefore, in the buffer mechanism 53, the force of the lever 49 for moving the push-up piece 64 upward is
The lever 49 is not directly transmitted to the push-up piece 64, but is transmitted to the pivot 58 side via the coil spring 62. Therefore, the push-up piece 64 should not be forcibly pushed up due to, for example, clogging of a component (work). In such a case, the operating force on the lever 49 side is absorbed between the slide plate 61 and the spacer member 59, and damage to the work can be suppressed and protected.

Next, the front surface 51a side of the base body 51 will be described. On the front surface side of the upper base body 51B, a side plate 65 made of plastic is arranged over the front surface.
Are fixedly attached to the upper base body 51B by screws 79. Further, on the lower surface side of the upper base body 51B, a gentle notch 66 for escaping a part of the timing belt 22 that bypasses the outside of the end support pulley 12 is formed. On the other hand, at the upper end portion of the base body 51, a cartridge mounting portion 67 to which a cartridge 110 containing a supply component (workpiece 101) is detachably mounted is formed.

Now, the cartridge 110 used in this embodiment and the work 101 stored in the cartridge 110 will be described. The cartridge 110 has a mounting portion 111 (corresponding to the cartridge mounting portion 67 at the bottom thereof). 4 (see FIG. 4), and a plurality of (usually about 20,000) works 101 are stored inside in a disassembled state. Further, a shutter mechanism (not shown) is provided in the opening portion of the mounting portion 111, and when the slide knob 112 provided on the side surface of the shutter mechanism is slid, the opening portion can be freely opened and closed. There is. The cartridge 110 is a commercial product.

On the other hand, the work 101 is a chip capacitor in the case of this embodiment, and this work 101 is shown in FIG.
As shown in, the vertical dimension t1 is approximately 0.4 mm, the horizontal dimension t2 is 0.8 mm, and the length t3 is 1.5 mm. It should be noted that any other work may be used for implementation.

Next, the first small chamber 54 communicates with the cartridge mounting portion 67 and has a large depth d1 (see FIG. 6). On the other hand, the second small chamber 55 is formed below the first small chamber 54 and communicates with the first small chamber 54. Depth d2 of this second small chamber 55 (see FIG. 6)
Is larger than the vertical dimension t1 (see FIG. 15) of the workpiece 101 and smaller than the horizontal dimension t2 (see FIG. 15), that is, the condition of (t1> t2) is satisfied. Further, an inclined guide surface (guide path) 81 is formed between the first small chamber 54 and the second small chamber 55, and when the work 101 is loaded into the first small chamber 54 from the cartridge 110. In addition, the guide surface 81 can be slid and easily guided to the second small chamber 55 side. In addition, in this embodiment, the first small chamber 54 and the second small chamber 55 are
The surface of each of the guide surface 81 and the guide surface 81 is provided with a satin pattern so that the work 101 is unlikely to stick to it.

The push-up piece guide groove 56 is provided in the second small chamber 5.
The lower side of the second small chamber 55 is formed so as to communicate with the second small chamber 55 and extend in the vertical direction, and the lower surface of one side of the second small chamber 55 is inclined toward the pushing-up piece guide groove 56. It is formed as an inclined surface 55a. A plate-shaped push-up piece 64 having a relatively wide width is accommodated in the push-up piece guide groove 56 so as to be vertically reciprocable by being guided by the push-up piece guide groove 56. When the push-up piece 64 is moved to the lower end side, the upper end surface 64a is provided such that the upper end surface 64a is arranged at a position substantially corresponding to the lower end of the inclined surface 55a, and the upper end surface 64a is provided on the inclined surface 55a. The workpiece 101 is slightly inclined toward the side, that is, the component guide groove 57, so that the work 101 can easily move toward the component guide groove 57. Also,
The thickness on the upper end side of the push-up piece 64 that is inserted into the first small chamber 54 and the second small chamber 55 is the vertical dimension t1 of the workpiece 101.
It is formed substantially equally.

In the small chamber forming body 3 thus constructed, the lower base portion 51A is housed in the third recess portion 7c and fixed to the base 2 with the screw 79. Further, the lower base portion 51A has a long hole 68 (see FIG. 4) formed at a position corresponding to the long hole 18 on the base 2 side.
Is located at a predetermined position of the third recessed portion 7c, the long hole 18 corresponds to the long hole 68, and the support shaft 17 is inserted through the long hole 18 and the long hole 68. It can be fixed by tightening with screws 69 (see FIG. 4). Further, in this way, the small chamber forming body 3 attached to the predetermined position of the base 2 with the screw 67 and the screw 69 is the component guide groove 5
The lower end edge portion 3a of which the outlet of 7 is opened is arranged on the end support pulley 12 side while giving an elastic force to the timing belt 22.

In addition, after the small chamber forming body 3 is attached, the work guide member 71 and the work take-out stage member 72 are attached to the upper surface 2b of the base 2. Of these, the work guide member 71 is the small chamber forming body 3.
A tunnel portion 73 formed in a groove shape is provided on the lower surface side so as to be disposed immediately adjacent to the front side of the component guide groove 57 and corresponding to the exit of the component guide groove 57. Then, the tunnel portion 73 is arranged in a state of being extended to just before the notch portion 15 and fixed to the upper surface 2b of the base 2 with a screw 74. The work guide member 71 passes the inside of the tunnel portion 73 from the outside when the work 101 taken out from the component guide groove 57 onto the timing belt 22 is sent to the front surface 2f side by the timing belt 22. Prevents movement due to vibration and contact,
It contributes to maintain the posture and orientation.

The work take-out stage member 72 is arranged immediately adjacent to the front side of the work guide member 71, and is fixedly mounted on the upper surface 2b with screws 75. Further, at a position corresponding to the timing belt 22, that is, a position corresponding to the belt guide groove 23, an opening for receiving the work 101 sent by the timing belt 22 through the tunnel portion 73 of the work guide member 71. A recess 77 having a slit portion 76, which is arranged so that its portion matches the tunnel portion 73, is formed. The slit portion 76 is in a state of being formed on the timing belt 22, and thus the work take-out stage member 72 mounted on the upper surface 2b is
The workpiece 101 sent by the timing belt 22 through the tunnel portion 73 of the workpiece guide member 71 is received by the slit portion 76 serving as a workpiece pickup portion, stopped at that position (workpiece pickup portion), and a vacuum is used as a pickup nozzle. This contributes to waiting for the component pick-up device 90 having the suction nozzle 91 (see FIG. 1) to be vacuum-sucked and picked up. In addition, when the timing belt 22 is driven during this standby, the workpiece 101 and the timing belt 22 in the standby state slide between them, enabling the workpiece 101 to stand by on the timing belt 22. .

Here, on the rear side of the work taking-out stage member 72 (on the side opposite to the work guide member 71), a notch 83 as a reference portion is provided at the front end of the base 2. The cutout portion 83 is formed as a groove extending in the vertical direction, and when the vacuum suction nozzle 91 is positioned with respect to the workpiece pick-up stage member 72, the pin 92 as a positioning portion on the component pickup device 90 side is formed. The peripheral surface is struck. In this structure, the position of the pin 92 in contact with the notch 83 is stored in the component pickup device 90, and the vacuum suction nozzle 91 is moved with respect to the component pickup device 90 to pick up the work. The parts supply device 1 and the parts pickup device 90 can be easily positioned by aligning the parts (slit portion 76) with a predetermined position and fixing the parts after the alignment. After the positioning, the pin 92 is placed at a position where it does not hinder the pickup operation, or it is removed in advance.

Next, the overall operation of the component supplying apparatus 1 thus constructed will be described. First, the mounting portion 111 is inserted into and engaged with the cartridge mounting portion 67 to mount the cartridge 110 storing the plurality of works 101 on the upper portion of the small chamber molded body 3, and the component supply device 1 is mounted on a mounting machine (not shown). The positioning pin 9 is used for positioning. Next, the slide knob 112 of the cartridge 110
Is slid to open the shutter mechanism of the cartridge 110. Then, as described above, the work 101 in the cartridge 110 is gravitationally dropped in the first small chamber 54 and the second small chamber 55 in a separated state, and a part thereof passes through the component guide groove 57 and exits. It is dropped onto the timing belt 22 from 57b.

Next, before the operation on the mounting machine side is started, the work 1 is placed on the work take-out stage member 72.
A preliminary setting operation for carrying 01 in advance is performed.
In this preliminary setting operation, the operator manually operates the operation lever 41
Is repeatedly pressed and released, that is, the operation lever 41 is repeatedly moved up and down. Then, when the operation lever 41 is pushed down here, the lever 33 of the timing belt drive system 31a is rotated in the clockwise direction in FIG. 4 in conjunction with this, and the lever 49 of the small chamber forming body side drive system 31b is turned on. It is rotated counterclockwise. In this case, when the lever 33 is rotated in the clockwise direction in FIG. 4, the ratchet wheel 32 and the drive wheel are driven by the action of the first ratchet pawl 34, the second ratchet pawl 35 and the ratchet wheel 32 as described above. The support shaft 14 that rotates together with the side pulley 11 does not rotate. Therefore, the timing belt 22 does not rotate. On the other hand, when the lever 49 is rotated in the counterclockwise direction, the slide plate 61 is pushed up by the lever 49, and this is transmitted to the spacer member 59 side via the coil spring 62, and the push-up piece 64 together with the pivot 58 moves to the first push-up piece 64. It is pushed up into the small chamber 54. As a result, as described above, the work 101 is agitated in the first small chamber 54, dropped by gravity into the component guide groove 57, and sent toward the outlet 57b. As a result, the first and second
The work 101 in the small chambers 54, 55 of the
Sequentially sent inside.

When the operation lever 41 is released, the tension of the coil spring 43 causes the lever 33 to rotate counterclockwise in FIG. 4 and the lever 49 to rotate clockwise. It And lever 33
4 is rotated counterclockwise in FIG. 4, the ratchet wheel 32 is rotated by two teeth in the same direction as the lever 33 (direction of arrow F in FIG. 4) by the first ratchet pawl 34.
Then, the drive side pulley 11 and the support shaft 14 are rotated in the same direction as the ratchet wheel 32, whereby the timing belt 22 corresponds to the rotation of the ratchet wheel 32.
It is rotated forward (in the direction of arrow G in FIG. 3). In this embodiment, the amount by which the timing belt 22 is intermittently fed by one operation of the operation lever 41 is about 2 pieces (2 × t3) of the length t3 (= 1.5 mm) of the work 101, That is, it is set to about 3 mm. Therefore, the component guide groove 5
The work 101 dropped onto the timing belt 22 through 7 passes through the tunnel portion 73 by the same amount as the timing belt 22 every time the timing belt 22 is intermittently driven, that is, about 3 mm. The workpiece 101 is sent to the take-out stage member 72 side, so that the workpiece 101 is always present on the workpiece take-out stage member 72.

On the other hand, when the lever 49 is rotated clockwise, the slide plate 61 is pushed down with the pivot 63 as a fulcrum. Then, the inner surface of the long hole 60 of the slide plate 61 is brought into contact with the spacer member 59, the spacer member 59 is forcibly pushed down together with the pivot 58, and the push-up piece 64 is also moved downward accordingly.

As a result, one cycle of the preliminary setting operation is completed. In this way, the works 101 are sequentially sent to the work taking-out stage member 72 side, and the first work 1
01 is the slit portion 7 of the workpiece take-out stage member 72
It is received inside 6 and abuts on the inner part (work pickup part) of the slit part 76. Then, under the preliminary setting state, the work 101 slides between itself and the timing belt 22 and enters the standby state. Then, the next work 101
Similarly, in the slit portion 76, the workpiece 101 is placed after the previous work 101 and is in a standby state. In this way, when the plurality of works 101 are placed on the timing belt 22 in the standby state, the preliminary setting operation is ended, and the mounting operation by the mounting machine is started.

In the mounting operation by the mounting machine, in the preliminary setting operation, while the operator manually pushed the operation lever 41, the operator lowered the work taking-out stage member 72 together with the suction nozzle 91. The operation lever 41 is pressed by a pressing member (not shown) of the incoming component pickup device 90, and the vacuum suction nozzle 91 moves the workpiece 101.
The work piece 101 is lightly abutted on the work piece 101 and the work piece 101 is vacuum-sucked.
When the vacuum suction nozzle 91 sucks the work 101, the entire component pickup device 90 is raised, and the work 101 is moved and placed on a predetermined printed wiring board (not shown). At the same time, the component pickup device 90
When is raised, the depression of the operation lever 41 is released.

Further, in this way, the cartridge 110
Work 101 inside is supplied and goes to Cartrid 11
When the work 101 in 0 is gone, remove the empty cartridge 110 and replace it with a new cartridge 11
0 is mounted and the slide knob 112 is operated to open the shutter mechanism. Then, a new cartridge 11
The work 101 in 0 can be supplied in the same manner.

7 to 14 show some modifications of the structure for aligning the component supply device 1 and the component pickup device 90. In FIGS. 7 to 14, components corresponding to those shown in FIGS. 1 to 6 are designated by the same reference numerals. First, in the first modification shown in FIG. 7, the positioning adjustment jig 120 is used for adjustment. This positioning adjustment jig 120 has a lower surface provided with a positioning piece 121 which is engaged in the slit portion 76 of the work taking-out stage member 72, and a positioning pin 123 which is also engaged in a positioning hole 122 of the work taking-out stage member 72. In addition to the above, a cutout portion 124 is provided on the side surface as a reference portion for positioning and abutting the vacuum suction nozzle 91 on the component pickup device 90 side. The cutout portion 124 is formed as a groove extending in the vertical direction. And in this structure,
When the vacuum suction nozzle 91 is positioned with respect to the work pick-up stage member 72, the positioning piece 121 is engaged in the slit portion 76 and the positioning pin 123 is used.
Are engaged in the positioning holes 122, and the positioning adjustment jig 120 is first mounted on the work take-out stage member 72. Next, the vacuum suction nozzle 91 of the component pickup device 90 is abutted against the cutout portion 124, and the position at this time is stored in the component pickup device 90 side. Then, on the component pickup device 90 side, position correction is performed based on the position data obtained here, that is, position correction based on the dimension data from the correlation between the work pickup unit, the pickup nozzle, and the work. To be done. After positioning, the positioning adjustment jig 120 is removed and stored.

In the second modification shown in FIG. 8, the modification of FIG. 7 has a notch 124 formed at the end of the positioning adjustment jig 120 on the side where the positioning pin 123 is provided. To the opposite side, that is, the positioning piece 121.
Is formed at the end portion on the side where is provided.

A third modification shown in FIG. 9 is shown in FIGS.
The modified example shown in FIG.
1 is abutted and the position at that time is stored in the side of the component pickup device 90, whereas the positioning adjustment jig 120 is provided with a positioning hole 134.
The vacuum suction nozzle 91 is inserted into the unit 34 to store the position at that time. Here, as shown in FIG. 10 as a partially enlarged cross-sectional view taken along the line EE of FIG. 9, the inner diameter of the positioning hole 134 is d2, the outer diameter of the vacuum suction nozzle 91 is d1, and the allowable value δ. Then, (d2 ＝
It is formed by the relationship of d1 + δ). Also, positioning hole 1
The opening portion of 34 is chamfered 135 for leading the insertion of the vacuum suction nozzle 91. In this structure, when the vacuum suction nozzle 91 is positioned with respect to the work taking-out stage member 72, the positioning piece 12 is positioned.
1 is engaged in the slit portion 76, and the positioning pin 123 is engaged in the positioning hole 122.
Mount on top of 2. Next, the vacuum suction nozzle 91 of the component pickup device 90 is inserted into the positioning hole 134 from above, and the position at this time is stored in the component pickup device 90 side. Then, the component pickup device 90
On the side, based on the position data obtained here, each position,
That is, the work pickup part, the pickup nozzle,
Position correction is performed based on the dimension data from the correlation of the workpieces, which facilitates positioning. After positioning, the positioning adjustment jig 120 is removed and stored.

In the fourth modification shown in FIG. 11, reference marks 115 and 116 are drawn on the work take-out stage member 72, and the reference marks 115 and 116 are used for positioning. . The reference marks 115 and 116 intersect each other at right angles in the X and Y axis directions, and the intersection is the center of the work pickup portion (the portion where the vacuum suction nozzle 91 is arranged). Further, the reference mark here is drawn by marking or painting. In this structure, the vacuum suction nozzle 9 is attached to the workpiece pick-up stage member 72.
When positioning No. 1, the vacuum suction nozzle 91 is placed in the slit portion 76, and alignment is performed such that the direction from the reference mark 115 and the direction from the reference mark 116 coincide with each other. That is, the correct position of the vacuum suction nozzle 91 is the position where the positions of the reference marks 115 and 116 in the two directions match. Further, the data thus positioned is stored in the component pickup device 90 side, and on the component pickup device side, based on the position data obtained here, that is, the work pickup portion, the pickup nozzle, and the workpiece. Position correction based on dimensional data from correlation is performed,
This facilitates positioning.

Although the modification shown in FIG. 11 discloses a structure in which the reference marks 115 and 116 are drawn one by one, for example, as shown in FIG.
It is also possible to have a structure in which auxiliary reference marks 117 indicating an allowable area of an error are provided at front and rear (or left and right) positions with 116 sandwiched therebetween. Therefore, this auxiliary reference mark 1
With the reference numeral 17, it is sufficient if it is within the area of the auxiliary reference mark 117. In addition, the reference mark 115,
Although the case where 116 is drawn by marking or painting is disclosed, for example, as shown in FIG.
5, 116 may be formed by ribs, and further, the reference marks 115, 116 may be formed by grooves as shown in FIG. In addition, the structures shown in FIGS. 12 and 13 may have a structure in which auxiliary reference marks 117 indicating an allowable error region are provided at front and rear (or left and right) positions sandwiching the reference marks 115 and 116. It is a thing.
Here, the auxiliary reference mark 117 is the reference mark 115,
It may be formed so as to be lower than the height of the ribs forming 116, or may be formed by changing the depth of the groove.

[0045]

As described above, according to the present invention,
In the case where the alignment portion on the pickup nozzle side is abutted against the reference portion formed on the work pickup portion side to align the pickup nozzle with the work pickup portion, it is formed on the work pickup portion side. By abutting the alignment portion on the pickup nozzle side to the formed reference portion, the pickup nozzle can be easily and accurately aligned with the position for picking up the work, and improvement in workability can be expected.
Further, at the time of picking up the work, reference marks for positioning are respectively provided at at least two positions on the front and rear sides or the left and right sides of the pickup position where the pickup nozzle is arranged with respect to the work pickup part, and the pickup nozzle of the pickup nozzle is aligned with the reference mark. When aligning, the pick-up nozzle can be easily and accurately aligned with the workpiece position by aligning with the reference mark as a guide, without aligning with a workpiece that is difficult to see as a guide. It is possible to expect improved workability.

[Brief description of the drawings]

FIG. 1 is a perspective view of an apparatus according to an embodiment of the present invention viewed from one surface side.

FIG. 2 is a perspective view of a part of the apparatus of the embodiment of the present invention, which is disassembled and viewed from one surface side.

FIG. 3 is a side view of the apparatus according to the embodiment of the present invention viewed from one surface side.

FIG. 4 is a side view of the device according to the embodiment of the present invention as viewed from the back surface side.

FIG. 5 is a perspective view of the apparatus according to the embodiment of the present invention as viewed from the back surface side.

FIG. 6 is a sectional view taken along line AA of FIG. 4;

FIG. 7 is an exploded perspective view of essential parts showing a modified example of the present invention.

FIG. 8 is a main part perspective view showing another modification of the present invention.

FIG. 9 is a main part perspective view showing another modification of the present invention.

FIG. 10 is an explanatory view of dimensions of essential parts in the modification shown in FIG.

FIG. 11 is a perspective view of a main part showing another modification of the present invention.

FIG. 12 is a perspective view of a main part showing another modification of the present invention.

FIG. 13 is a perspective view of an essential part showing another modification of the present invention.

FIG. 14 is a main part perspective view showing another modification of the present invention.

FIG. 15 is an external perspective view showing an example of a work.

[Explanation of symbols]

 1 Component Supply Device 72 Work Extracting Stage Member 76 Slit Part (Work Pickup Part) 83 Notch Part (Reference Part) 90 Component Pickup Device 91 Vacuum Suction Nozzle (Pickup Nozzle) 92 Pin (Alignment Part) 101 Work Part 124 Notch Part (Reference part) 115,116 Reference mark 117 Auxiliary reference mark 120 Positioning adjustment jig

Claims (15)

[Claims] 1. A positioning structure comprising a component supply device and a component pickup device, wherein a workpiece arranged in a workpiece pickup section on the component supply device side is picked up by a pickup nozzle on the component pickup device side. A reference part formed on the pickup part side, and a positioning part formed on the pickup nozzle side, the position of the pickup nozzle with respect to the work pickup part by abutting the positioning part on the reference part. Positioning structure of parts feeder characterized by matching. 2. A positioning jig provided with a second reference portion is arranged between the reference portion and the alignment portion, and the alignment portion serves as the reference portion via the positioning jig. The positioning structure for the component feeder according to claim 1, wherein the positioning structure is arranged to abut. 3. The positioning structure for a component feeder according to claim 1, wherein a vacuum suction nozzle is used as the pickup nozzle. 4. A positioning structure comprising a component supply device and a component pickup device for picking up a workpiece arranged in a workpiece pickup part on the component supply device side by a pickup nozzle on the component pickup device side. A positioning structure for a component feeder, wherein reference marks for positioning are respectively provided at two positions, front and rear or left and right, with a pick-up position where the pick-up nozzle is arranged on the work pick-up portion interposed therebetween. 5. The positioning structure for a component feeder according to claim 4, wherein the reference mark is provided with a mark indicating an allowable area. 6. The positioning structure for a component feeder according to claim 4, wherein the reference mark is formed by scribing. 7. The positioning structure for a component feeder according to claim 4, wherein the reference mark is formed by a groove. 8. The reference mark is provided with a deep groove and shallow grooves formed on both sides of the deep groove, and the deep groove indicates a position without error and the shallow groove indicates a permissible area. The positioning structure for a component supply machine according to claim 4, wherein the positioning structure is used as. 9. The positioning structure for a component feeder according to claim 4, wherein the reference mark is formed by a rib. 10. The positioning structure for a component feeder according to claim 4, wherein a vacuum suction nozzle is used as the pickup nozzle. 11. A positioning method for picking up a workpiece, which is provided with a component supply device and a component pickup device, by a pickup nozzle of the component pickup device, the workpiece being arranged in a workpiece pickup part of the component supply device. A positioning method for a component feeder, comprising: positioning a pick-up nozzle-side alignment section against a part to align the pick-up nozzle with the work pickup section. 12. A positioning jig having a second reference portion is arranged between the reference portion and the alignment portion, and the alignment portion is fixed to the reference portion via the positioning jig. The method for positioning a component feeder according to claim 11, wherein the component feeders are butted. 13. The method of positioning a component feeder according to claim 11, wherein a vacuum suction nozzle is used as the pickup nozzle. 14. A positioning method comprising a component supply device and a component pickup device, wherein a workpiece arranged in a workpiece pickup section on the component supply device side is picked up by a pickup nozzle on the pickup device side. , Reference marks for positioning are respectively provided at two positions, front and rear, or left and right, sandwiching the pickup position where the pickup nozzle is arranged on the work pickup part, and the pickup nozzle is aligned with the reference mark. A method of positioning a component feeder, characterized in that. 15. The method of positioning a component feeder according to claim 14, wherein a vacuum suction nozzle is used as the pickup nozzle.