JPS59153726A - Print board receiving apparatus - Google Patents

Abstract

PURPOSE:To improve the efficiency of taking out a print board by moving an impty magazine rack to a position for receiving a part inserted print board, lifting up the magazine rack stage by stage to store the print boards in all stages, and transferring the magazine rack to the next conveyer. CONSTITUTION:An empty magazine rack 6 on the first transport conveyer 17 is transferred onto the second transport conveyer 21 by a chain 16 with rollers, to operate a photoelectric switch 51. Therefore, a lift motor 32 is driven to lift up the magazine rack for one stage, and a part is inserted in a print board by an electronic part inserting machine 1 and the print board is standing by ready to be stored in the magazine rack 6. When the board is stored in the rack, the rack is further lifted up for one stage to store the next print board. When this operation is repeated to store the print boards in all stages of the rack, a micro- switch 57 is operated to operate the second and third conveyers 21, 19 to transfer the magazine rack 6 onto the third conveyer 19. In this arrangement, the work efficiency can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a printed circuit board receiving device, and more specifically, the present invention relates to a printed circuit board receiving device, and more specifically, the present invention relates to a printed circuit board receiving device that receives electronic components from an electronic component insertion machine that inserts electronic components for a printed circuit board such as a switch, a volume control, an IC, and an LSI into a printed circuit board. This invention relates to a printed circuit board receiving device that picks up printed circuit boards and stores them at equal intervals in a magazine rack.

2. Description of the Related Art Various printed circuit board receiving devices for receiving and picking up printed circuit boards from electronic component insertion machines have been developed in the past. In such a printed circuit board receiving apparatus, it is required to reliably and smoothly pick up the printed circuit board from the electronic component insertion machine.

This invention was made in view of these demands, and allows printed circuit boards to be loaded one by one from an electronic component insertion machine by simply placing a magazine rack that can store multiple printed circuit boards at equal intervals on a conveyor. It is an object of the present invention to provide a printed circuit board receiving device that can automatically pick up a board.

In order to achieve this object, the present invention provides a first transport conveyor on which magazine racks capable of storing a plurality of prints 1 to substrates at equal intervals in the downward direction are placed in an empty state;
a second transport conveyor that cooperates with the first transport conveyor to receive and receive the magazine rack from the first transport conveyor; An aIVF mechanism that can be raised intermittently at intervals, and a mechanism that allows the electronic component inserter to repeatedly move back and forth in the horizontal direction toward the electronic component inserter when the second conveyor is lifted and stopped. A printed circuit board ejecting mechanism that sequentially stores printed circuit boards with components inserted into a magazine rack placed on the second conveyor from one side downward, and an electronic component insertion 1) At 1 o'clock, the 2nd WJ and the 3rd transport conveyor work together with the transport conveyor to receive the magazine rack from the 2nd transport conveyor. The printer 1 and substrate receiving device are configured to include a conveyor and a conveyor.

Hereinafter, this invention will be explained based on the drawings.

1 to 9 show embodiments of the present invention.

In FIG. 1, reference numeral 1 indicates a print 1-
2 is a shooter that supplies electronic components to the electronic component inserter; 3 is a stick magazine supply device that supplies electronic components to the shooter 2; 4 is an electronic component inserter for inserting electronic components into the electronic component inserter L; A printed circuit board supply device supplies the printed circuit board P supplied to the magazine rack 6 to the X-Y table 5, and 7 is a printer 1 that stores the printed circuit board P whose components have been inserted by the electronic component insertion machine 1 into the magazine rack. This is the board receiving device.

2 to 7 show the printed circuit board receiving device 4, and reference numeral 10 is a base of the printed circuit board receiving device 4. As shown in FIG.

A row of rectangular frame-shaped brackets h11. ．． II are set up so that they face each other, and the - pair of plackets +1
．． , 1118 of the 118 middle part of the II, respectively, are arranged so that the frame 1112 faces each other, and the 3rd subplate I is arranged inside the 2nd part, respectively.
``Kera 1 - Tori I'' The gnomes 13 are facing each other.

Sprocket mounting shafts 14 are pivotally supported at both ends of the frames 12 and 12, respectively. 1
The first transport conveyor 17 is configured by multiplying by G. The first conveyor 17 is driven by a first conveyor drive motor 1B connected to the sprocket pick-up shaft 14 on the side opposite to the electronic component insertion machine 1 side.

Also, sprocket mounting shafts 14 are pivotally supported at both ends of the third sprocket 1-receiving frame 13.13, and the Rollei 1 Jane 1
The third transport conveyor 19 is constructed by multiplying the number by 6. The third conveyor 19 is similarly driven by a third conveyor drive motor 20 connected to the sprocket shaft 14 on the reflection side, which is different from the electronic component insertion machine l side.

On the other hand, on the electronic component insertion machine 1 side of the base 10, a second conveyor 21 that can be raised and lowered in the downward direction is disposed.

This second transport conveyor 21 has a pair of second sprocket take-up frames 22, 22 attached to the upper surfaces of both sides of a support plate of a lifting mechanism, which will be described later, so as to face each other, and these second sprocket take-up frames 22, 22. Sprocket mounting shafts 14 are pivotally supported at both ends, and a chain 16 is connected to a sprocket 15 mounted on both ends of each sprocket receiving shaft 14. This second Wi feed conveyor 21 is also driven by a second conveyor drive motor 23 connected to the sprocket mounting shaft 14 of the electronic component insertion machine 1 fill.

214th Transmission Compare 21 'x FL Wh Sa'
r! : 6 Elevation Ivl: The I structure 25 is arranged on the electronic component insertion machine l side of the base 10.

The y-lowering mechanism 25 has screw bearing members 26 arranged in a four-square arrangement on the upper surface of the base 10, and each screw bearing member 26 is fitted with a lifting screw 27 so as to be freely forward and backward in the downward direction. Each screw support member 26 has a pulley 28 which is rotatable and screws into the E descending screw 27 without moving forward or backward in the vertical direction, and a belt 29 is hung around these pulleys 28. A support plate 30 for supporting the second conveyor 21 is attached to the upper ends of these four lifting screws 27.

Further, the lifting mechanism 25 is driven by a lift drive motor 32 having a pulley 31 in rolling contact with the belt 29. The lift drive motor 32 is configured to rotate intermittently. 33 is a tension pulley for adjusting the tension of the belt 29.

Further, in the center of the negative side of the base 10, the printer 1 to substrate ejecting mechanism 35 shown in FIG. 8 are arranged.

The print 1 to substrate ejection mechanism 35 are mounted on a pair of shaft support plates 36 facing each other at both ends of the center of the upper surface of the base 10.
．． 36 is erected, both ends of a slide shaft 38 passing through the middle part of the slider 37 are pivotally supported on the upper part of the pair of shaft support plates 36. Both ends of the shaft 39 are pivotally supported, and an air cylinder 40 for taking out the printer 1 and the board can be inserted into the upper part of the slider 37. This slider 37 is driven by a screw shaft 39 on the reflection side, which is different from the electronic component insertion machine 1 side.
When the slider movement drive motor 43 rotates, the screw shaft 39 rotates, and is guided by the slider shaft 38 to move the slider. 37 performs linear motion. Furthermore, the cylinder rod 40a moves forward and backward by the operation of the air cylinder 10. A chuck 44 for gripping the printing substrate FiP is provided at the tip of the cylinder rod 40a (
It is blocked.

A magazine rack G is shown in FIG. 9, and the magazine rack 6 has crosspieces 6c on the inner surfaces of both side plates 6a and 6b.
, 6c, . . . and 61, 6d, .
...and 6d, 6d, are lined up at equal intervals. A plurality of puddings 1 and substrates P are inserted into grooves formed between the crosspieces and stored at equal intervals.

Furthermore, the -1 end of the electronic component inserter 1'' side of the first sub-block 1-take 1 frame 1112 of the first conveyor 17 is provided to prevent the movement of the magazine rack 6 placed on the first conveyor 17. A collar member 50 is provided. This spring member 50 is normally tilted down so as to prevent the movement of the magazine rack 6, and the 11th flange member 50 is always tilted down so as to prevent movement of the magazine rack 6.
The magazine rack 6 is placed on the feed conveyor 17 so that the user can stand there.

In addition, the second transfer container 21 is transferred to the second sub-block 1 (
= 1 frame 1122? A rack detection photoelectric switch 5■ is provided at the upper end of the 1Σ1 component insertion machine 1 side to detect whether or not there is a magazine rack 6 on the second conveyor 21.
:, I'm in the middle of the day. When this rack detection photoelectric switch 51 detects that the magazine rack 6 is present on the second transport conveyor 21, it is turned on and stops the rotation of the first conveyor 1 drive motor 18 and the second conveyor 1m movement motor 23. At the same time, the first collar member 50 is folded down so as to stop the movement of the magazine rack 6.

Further, a microswitch 52 for confirming cylinder advance is provided at the end of the slide shaft 38 on the electronic component insertion machine 1 side. This cylinder advance confirmation microswitch 52 turns on when it is confirmed that the slider 37 has moved toward the electronic component insertion machine l side, that is, to the right, and stops the rotation of the slider movement drive motor 43 and also turns the air cylinder 7Io on. The cylinder rods 1 to 40a are moved forward by operation.

A proximity switch 53 is provided in the cylinder rod 40a of the air cylinder 40. This proximity switch 53 is turned on when the pudding 1 and the substrate P are close to each other, and operates the chuck 44 provided on the cylinder rod 40a to grip the pudding 1 and the substrate 1) for a certain period of time, that is, [ It will turn off after 1 hour. Then, when the proximity switch 53 is turned off after 11 hours, the air cylinder 40 is operated again and the cylinder rod 40a is retreated with the chuck 44 gripping the print 1 and substrate P, returning to the original state. When the cylinder rod 40a bends back, the chuck 4
If 4 is a printed circuit board 1), chuck 44
This is detected by a photoelectric switch 53a for detecting a substrate provided therein, and a "chucking error" message is displayed on an operation panel (not shown).

In addition, the air cylinder 40 is provided with a proximity switch 54 for confirming cylinder rod retraction, and the cylinder rod 4 (
) If a or return to the original state, the cylinder rod will be retracted J, 2. The proximity switch 54 turns on after confirming its return, and the drive motor 43 for moving the slider is turned on in reverse Iu1.
Turn over.

Furthermore, - of the cover plate 10a attached to the side of the base IO
Pudding 1 is formed on the inner surface of part 1 by passing through the cylinder rod 40a.
-↓b(A photoelectric switch 55 for detecting the position of printed circuit board is provided to detect whether HP is in the stored position in magazine rack 6. Photoelectric switch 55 for detecting the position of printed circuit board 1 is provided in When it is detected that the printer 1 and the substrate P are stored in the slider 6, it is turned on and stops the reverse rotation of the slider moving drive motor 43, and operates to open the chuck 44, and then moves the slider again. The moving drive motor 43 is rotated in the reverse direction.

At the same time as the photoelectric switch 55 for detecting the substrate position is turned on to the printer 1, the X-Y table 5 moves the printer 1 to the substrate supply device 4.
Start moving to the side.

Furthermore, a slider right return confirmation proximity switch 56 is provided at the end of the slide shaft 38 opposite to the electronic component insertion machine 1 side, and by reverse rotation of the slider movement drive motor,
When it moves to the right and returns to its original state, it is turned on and rotates the lift drive motor 32 to raise the second conveyor 21 by a predetermined distance.

Further, a mital switch 57 for detecting the fixed position of the lid is attached to the inner surface of the upper part of the cover plate 10a attached to the side of the base 10.
is provided, and is turned on when the second conveyor 21 is raised to the highest position by the rotation of the lift drive motor 32, and is turned on to raise the second IQ conveyor 21 to the highest position.
Check the moon, stop the rotation of the lift drive motor 32,
Further, the operating state of the slider return confirmation proximity switch 56 is disabled, and the second conveyor drive motor 23 and the third conveyor drive motor 23 are disabled.
The conveyor drive motor 20 is rotated.

At the upper end of the third subblock l-frame 13 of the third transport conveyor I9 on the side opposite to the electronic component insertion machine 1 side, there is a rack detection device that detects whether or not there is a magazine rack 6 on the third transport conveyor 19. A photoelectric switch 58 is provided. When this rack detection switch 57 detects that the magazine rack 6 is present on the third conveyor 19, it is turned on and the second conveyor drive motor 23 and the third W
The rotation of the i-feed conveyor drive motor 20 is stopped, and the lift 1 drive motor 23 is rotated in the reverse direction.

A switch 59 is provided on the inner surface of the lower part of the cover plate 10a, which is cut into the side of the base 10, for detecting the lower position of the lid. When it is rotated and lowered to a predetermined position, it is turned on to stop the rotation of the lift drive motor 32 and to release the disabled state of the slider return confirmation proximity switch 56.

Next, the effect will be explained.

First, as shown in FIG. 4, an empty magazine rack 6 in which 16 prints 1 and substrates P are stored at a predetermined interval in the vertical direction is placed on the first conveyor 17.

At this time, the spring member 50 is standing up, but
When the second transport conveyor 21 has a magazine rack 6, the stopper member 5() is closed once and the 111Q transport conveyor ＼
Stop the transport of magazine rack 1 by A17.
Therefore, it is placed on standby at the first conveyance conveyor 171-. In this way, even if there is no magazine rack 6 on the second conveyor 21, the first conveyor drive motor 18 and the second conveyor drive motor 23 are rotated when the second conveyor 21 is in an undefined position, and the rollers are rotated. 16 and 16 are driven in cooperation with each other, the magazine rack 6 is transferred from the first conveyor 17 to the second conveyor 21 as shown in FIG.

When the end of the magazine rack 6 passed to the second conveyor 21 is conveyed to a position where the rack detection photoelectric switch 51 is located, the photoelectric switch 51 is turned on and the first conveyor drive motor 18 is turned on. Then, the rotation of the second conveyor drive motor 23 is stopped, and the 'IQ' feeding of the magazine rack 6 to the second Wj and the feeding conveyor 21 is completely reduced.

At this time, the first collar member 5o falls down, and the lff1 feeding of the magazine rack 6 by the eleventh dragon feeding conveyor 17 is repeated four times. Furthermore, the photoelectric switch 51 is turned on u I) Jl,
Then, the lift drive motor 32 moves to the second vQ conveyor 21.
It is stopped after being rotated a predetermined number of times. At this time, the second conveyor converter 21 is initially at the stop position -IJ'7, and the electronic component insertion machine 1 moves the base from the pudding 1-board supply bag 7 to the pudding 1 into which the electronic component is inserted. The receiver is removed and the electronic component is placed on standby until the insertion of electronic components into the printer 1 and the board P is completed and the X, -Y table 5 of the electronic component inserter 1 is at the left end.

Next, the X-Y table 5 has come to the left end I゛),
The slider movement drive motor 43 is rotated, and the slider movement drive motor 43 is rotated.
The slide 37 is guided by the shaft 38 and moves horizontally from the left side to the right side, that is, toward the magazine rack 6 side, and the air cylinder 40 also moves accordingly.

When the slider 37 moves from the left side to a predetermined position on the right side, the slider advancement confirmation microswitch 52 confirms the movement of the slider 37 and turns on, stopping the rotation of the slider movement drive motor 43 and stopping the rotation of the air cylinder 4o. is operated to move the cylinder rod 40a forward.

When the cylinder rod 40a approaches the printed circuit board P on the X-Y table 5'', the proximity switch 53 is turned on and the chuck 44 provided on the cylinder rod 40a is operated.
Let them grasp it. The proximity switch 53 is turned off after 11 hours, and the air cylinder 4o is activated again to release the chuck 44.
is holding cylinder lot 40 while holding pudding 1 to board P.
A is moved back and moved back to return to its original state. If the chuck 44 releases the printed circuit board P when the cylinder rod 40a is retracted, this is detected by the circuit board detection photoelectric switch 53a, and a "chucking error" message is displayed on an operation panel (not shown).

When the cylinder rod 40a is retracted and the proximity switch 54 for confirming the retraction of the cylinder rod 1 is turned on after confirming the return of the cylinder rod 40a, the drive motor 43 for moving the slider is rotated in the reverse direction. Slider movement JT eye ψ movement mode 9
43 moves the slider 37 horizontally from right to left, and when the chuck 44 brings the old printed circuit board P to the stored position in the magazine rack 6, the printed circuit board position detection switch 55 is turned on. Then, the reverse rotation of the slider moving drive motor 43 is temporarily stopped, and the chuck 44 is operated to open the printer 1 and the substrate P to be stored in the magazine rack 6 placed on the second conveyor 21. .

Thereafter, the slider moving drive motor 43 rotates in the reverse direction again. In addition, the photoelectric switch 55 for detecting the position of the printer 1 to the substrate
At the same time as the switch is turned on, the X-Y table 5 begins to move toward the printer 1 and substrate supply device 4 side.

In this way, when the slider 37 moves from right to left and completely returns to its original state, the slider return confirmation proximity switch 56 is turned on, and the riffs 1-11. The moving motor 32 is moved to the second conveyor 21 at a predetermined interval, that is, to the adjacent prints 1 of the magazine rack 6 at a distance between the substrates P (2).
or intermittently by an integral multiple thereof, and then stopped.

After that, when the electronic component insertion machine 1 completes the insertion of the electronic component onto the board P into the printer 1 and the X-Y table 5 comes to the right end again, the slider moving drive motor 43 is rotated and the same operation as described above is performed. This operation is repeated until the required number of prints 1 and substrates P are stored in the magazine rack 6.

In this embodiment, the printer 1-board F) is the magazine rack G
It can store 16 pieces inside, so it can be repeated 16 times.
do. Note that after the last pudding 1 substrate P, that is, the pudding 1 stored in the bottom row of the magazine rack 6, the substrate P is stored in the magazine rack 6, the magazine rack 6 becomes full, and the 21st m feed conveyor 21 is When the lifter reaches the 11th position, the microswitch 57 for detecting the second position of the lifter is turned on, disabling the operation of the proximity switch 55 for confirming the return of the slider, that is, preventing the drive motor 43 for moving the slider from rotating. Second conveyor drive motor 23
and the third conveyor 1A 1'' motor 20 is rotated to move the magazine rack 6 containing the pudding 1 and board 1 to the second conveyor 1A 21 to the third conveyor 19 as shown in FIG. Pass the uke. Of course, at this time, the lift drive motor 32 is also prevented from rotating.

When the end of the magazine rack 6 passed to the third conveyor 19 is conveyed to the position where the rack detection photoelectric switch 58 is located, the rack detection photoelectric switch 58 is turned on and the second conveyor The rotation of the drive motor 23 and the third conveyor drive motor 20 is stopped, the output of the third WJ transport conveyor 191\ of the magazine rack 6 is completed, and the pudding I/substrate ■] is stored from the 31st full transport conveyor 17. The magazine rack 6 can be removed without taking it out. At the same time, the rift 1-drive motor 32
It rotates j times so as to move the conveyor 21 downward. Then, the second conveyor 2 descends from the second fixed position.
As soon as the lifter 1 reaches the F position, the lifter l; position P detection river macro switch 5!3 is turned on to stop the reverse rotation of the lift 1-drive motor 32, and the slider r-da is turned on. Return 1a The inoperable state of the proximity switch 56 is released. In this state, the second conveyor conveyor 21 is in the normal position F, and the empty magazine rack 6 can be placed on the first conveyor +7-1-z again. Once the empty magazine rack 6 is placed on the first conveyor container 17 again, the same Ilj operation as described above is repeated.

In this way, once the empty magazine rack 6 that can accommodate a plurality of prints 1 to boards P is placed on the first vQ conveyor 17, electronic components are automatically and reliably sequentially inserted from the electronic component insertion machine 1. The loaded printed circuit board P is taken out and stored in a magazine rack 6, and then transported to a third conveyor 19 from which the magazine rack 6 storing the printed circuit board P can be easily taken out.

As described above, the present invention includes a first transport conveyor on which an empty magazine rack is placed, which can accommodate a plurality of pudding 1 and substrates at equal intervals in the vertical direction; and a second conveyor that supports the second conveyor and receives and receives the magazine racks from the eleventh conveyor; When the second transport conveyor is stopped by the lifting mechanism, it repeatedly moves back and forth in the horizontal direction toward the electronic component inserter, and the electronic component inserter removes the electronic parts. is inserted into the magazine rack placed on the second conveyor from above.
: A printed circuit board ejecting mechanism that sequentially stores the printed circuit boards in the second direction.
When the transport conveyor reaches its highest position, it works together with the second transport conveyor to receive the magazine rank. By simply placing a magazine rack that can accommodate multiple printed circuit boards on the first conveyor, the printed circuit boards with electronic components inserted therein can be automatically and reliably taken out from the electronic component insertion machine and placed in the magazine rack. Since the magazine rack containing the printed circuit boards is transported to the third transport conveyor from which it can be easily taken out, it is possible to improve the efficiency of taking out the magazine rack.

[Brief explanation of the drawing]

1 to 9 show an embodiment of the printed circuit board receiving device for the printer 1 of the present invention, FIG. 1 is a perspective view of the printer 1 to the board receiving device and its peripheral equipment, and FIG. 2 is a printed circuit board receiving device. 3 is a partially omitted side view of the printed circuit board receiving device, FIGS. 4 to 7 are sectional views showing the operating process of the printed circuit board receiving device, and FIG. 8 is a side view of the printed circuit board receiving device. FIG. 9 is a perspective view showing a magazine rack used in the printer 1-substrate receiving device. 1...Electronic component insertion machine, 6-mount machining rack, 17.
...First conveyor, 19...Third conveyor, 2
1...2nd conveyor, 25...4 unloading, 35...
...Printed circuit board ejection mechanism, P/Printed circuit board. Applicant Alps Electric Co., Ltd.

Claims (1)

[Scope of Claims] A 1111th transport conveyor on which is placed an empty magazine rack capable of accommodating a plurality of printed circuit boards at regular intervals in the vertical direction; a second WJ transport conveyor that receives and takes the magazine rack from the transport conveyor; and a lifting mechanism that supports the second transport conveyor and is capable of intermittently raising the second transport conveyor at the same intervals as the intervals between the printed circuit boards. Then, when the second transport conveyor stops rising by the elevating mechanism, it repeats horizontal reciprocation toward the electronic component inserter, and the electronic component inserter inserts the pudding 1 and the board into which electronic components have been inserted into the second transport conveyor. A printed circuit board retrieval mechanism sequentially stores printed circuit boards from top to bottom in the mounted magazine rack, and the printed circuit board retrieval mechanism places the magazine rack in which the printed circuit board 1 after inserting electronic components is stored. A printed circuit board receiving device comprising: a third transport conveyor that cooperates with the second transport conveyor to receive and pick up the magazine rack from the second transport conveyor when the second transport conveyor is raised.