JPH0620711B2 - Printed circuit board exchange device in printed circuit board processing machine - Google Patents

Description

Description: FIELD OF THE INVENTION The present invention relates to a printed circuit board exchange device in a printed circuit board processing machine.

[Background of the Invention]

When operating the printed circuit board processing machine automatically for a long time, the printed circuit board processing machine has a storage device for storing the unprocessed printed circuit board and the processed printed circuit board, and a transfer device for connecting the storage device and the printed circuit board processing machine The transfer device and the exchanging device for exchanging the printed circuit board between the printed circuit board processing machine are additionally provided to automatically exchange the printed circuit boards.

Then, the processed printed circuit board is taken out from the printed circuit board processing machine onto the transfer device by the exchanging device, transferred to the storage device by the transfer device, and the printed circuit board is stored in the storage device, and then the unprocessed printed circuit board is stored in the storage device. Is taken out onto a carrying device, carried to a standby position facing the printed circuit board processing machine, and supplied to the printed circuit board processing machine by an exchange device.

For this reason, it takes a long time to supply the unprocessed printed circuit board to the printed circuit board processing machine, which reduces the operating rate of the printed circuit board processing machine.

[Object of the Invention]

In view of the above circumstances, an object of the present invention is to provide a printed circuit board exchanging device capable of supplying an unprocessed printed circuit board to a printed circuit board processing machine in a short time and improving the operating rate of the printed circuit board processing machine. To provide.

[Outline of Invention]

In order to achieve the above-mentioned object, in the present invention, a base fixed to a column of a printed circuit board processing machine, and a predetermined base are provided on the base so as to project above the carrying device in parallel with the moving direction of the table. Two pairs of guide shafts supported at intervals of, an inner frame slidably supported by a pair of guide shafts located inside, a support frame supported up and down by the inner frame, and this support frame A plurality of grip fittings that are movably supported in a direction parallel to the moving direction of the inner frame, an outer frame slidably supported by a pair of outer guide shafts, and can be raised and lowered by the outer frame. A support frame supported by the support frame and a plurality of grips supported on the support frame so as to be movable in a direction parallel to the moving direction of the outer frame.

[Work]

Then, while the printed circuit board supplied to the printed circuit board processing machine is being processed, the printed circuit board taken out from the storage device and transferred to the standby position of the transfer device is held by the inner frame side holding metal fittings, and is transferred from the transfer device. After picking it up, it is moved to a position above the placement position and made to stand by.

Then, when the processing of the printed circuit board in the printed circuit board processing machine is completed and the table is moved to the mounting position, the outer frame waiting above the mounting position grips the printed circuit board on the table with the gripping metal fittings, The processed printed circuit board is picked up from the table, moved to the standby position, and the printed circuit board is placed on the transfer device.

At the same time, the inner frame holding the unprocessed printed circuit board descends from above the mounting position, and the unprocessed printed circuit board is mounted and supplied on the table of the printed circuit board processing machine.

When the replacement of the printed circuit board is completed in this way, the printed circuit board processing machine starts required processing when the printed circuit board is supplied. On the other hand, the transport device transports the processed printed circuit board to the storage device side while the printed circuit board processing machine is processing the printed circuit board, returns the processed printed circuit board to the storage device, and removes the unprocessed printed circuit board from the storage device. The processed printed circuit board is transported to the standby position.

Example of Invention

An embodiment of the present invention will be described below with reference to FIGS. 1 to 6.

In FIG. 1, A is a printed circuit board processing machine. A storage device B is arranged on the side surface of the printed circuit board processing machine A.
C is a transfer device, which is arranged along the printed circuit board processing machine A and the storage device B. D is an exchange device, which is arranged so as to connect a mounting position set in the printed circuit board processing machine A and a standby position set in the transfer device C. E is a delivery device, which is disposed above one end of the transport device C so as to face the storage device B.

The printed circuit board processing machine A has a structure as shown in FIGS. 1 to 3. In the figure, 1 is a bed. Two
Is a table, which is supported by the bed 1 so as to be movable in the direction of arrow X (FIG. 1), and is driven by a motor 4 via a screw feed mechanism 3. A column 5 is fixed to the bed 1 across the table 2. 6 is a cross slide, column 5
Is movably supported in the direction of the arrow Y (FIG. 1) and is driven by a motor (not shown) via the screw feed mechanism 7. A spindle head 8 is movably supported by the cross slide 6 in the arrow Z direction (FIG. 3), and a motor 10 is provided via a screw feed mechanism 9.
Driven by. And, one moving end of the table 2 is
The placement position S is set.

The supply device B has a structure as shown in FIG.
In the figure, 11 is a housing. Reference numeral 12 denotes a substrate cartridge, which is arranged in the housing 11 so as to be able to move up and down and is driven by a screw feeding mechanism (not shown). This substrate cartridge 12
Inside, a plurality of shelves are provided so that a plurality of printed circuit boards W can be stored.

The carrying device C has a structure as shown in FIG.
In the figure, 13 is a U-shaped frame. A roller 14 is rotatably supported by the frame 13. A belt 15 is wound around the roller 14. A motor 16 is supported by the frame 13. Reference numeral 17 is a chain, which includes a sprocket fixed to the roller 14 and a motor 16
It is hung on the sprocket fixed to.

The exchange device D has a structure as shown in FIGS. 2 and 5. In the figure, reference numeral 18 denotes a frame, which is fixed to the bed 1 and the column 5 of the printed circuit board processing machine A. Guide shafts 19 and 20 are fixed to the frame 18 at predetermined intervals.

An inner frame 21 is slidably supported by the guide shaft 19 together with slide blocks 22 fixed to both ends thereof. A cylinder 23 is provided between the frame 18 and the inner frame 21 and moves the inner frame 21 along the guide shaft 19. 24 is a cylinder,
It is supported by the slide block 22. A connecting plate 25 is supported by the cylinder 24. A support frame 26 is fixed to the connecting plate 25.

An outer frame 27 is slidably supported by the guide shaft 20 together with slide blocks 28 fixed to both ends thereof. A cylinder 29 is provided between the frame 18 and the outer frame 27, and moves the outer frame 27 along the guide shaft 20. 30 is a cylinder,
It is supported by the slide block 28. A connecting plate 31 is supported by the cylinder 30. A support frame 32 is fixed to the connection plate 31.

The support frame 26 and the support frame 32 are shown in FIGS.
It is configured as shown in the figure. 33 is a connecting plate 2
5 is a connecting plate for attaching the support frame 26 to the support frame 5, and is fixed to the support frame 26. Reference numeral 34 denotes a connecting plate for attaching the supporting frame 32 to the connecting plate 31, and the supporting frame 32
It is fixed to. Reference numeral 35 is a guide for regulating the distance between the gripped printed circuit boards W and is fixed to the support frame 26 (33) at a predetermined distance.

A guide 36 is fixed to the outside of the support frame 26 (33) at a predetermined interval. 37 is a pair of claws 38 at a predetermined interval
It is slidably supported by the guide 36 by a gripping metal having a groove formed therein. Reference numeral 39 denotes a cylinder, which is supported inside the support frame 26 (33) and moves the gripping metal fitting 37 along the guide 36.

A guide 40 is fixed to the outside of the support frame 26 (33) at a predetermined interval. 41 is a pair of claws 42 at a predetermined interval
It is slidably supported by the guide 40 by a gripping metal having a groove formed therein. Reference numeral 43 denotes a cylinder, which is supported inside the support frame 26 (33) and moves the grip fitting 41 along the guide 40.

The delivery device E is configured as shown in FIG. In the figure, reference numeral 44 denotes a guide, which is arranged so as to be located above the transport device C from the front of the storage device B. A slider 45 is provided with a gripping means (not shown) for gripping the printed circuit board W, and is slidably supported by the guide 44.

With such a configuration, while the printed circuit board W is processed by the printed circuit board processing machine A, the slider 4 of the transfer device E is moved.
5 is actuated, the unprocessed printed circuit board W from the storage device B
Is pulled out onto the belt 15 of the carrier C. At this time, each time the printed circuit board W is pulled out, the motor 1
6 operates to move the belt 15 by the distance between the spindle heads 8 of the printed circuit board processing machine A. At the same time, the board cartridge 12 of the storage device B moves by one shelf and the next unprocessed printed board W faces the slider 45. When the four printed circuit boards W are pulled out onto the belt 15 of the transport device B in this way, the motor 16 operates,
The printed circuit board W is transported to the standby position set on the transport device C.

When the printed circuit board W is transported to the standby position, the exchange device D
The cylinder 24 of the inner frame 21 operates to support the support frame 2
6 is lowered, the guide 35 is inserted between the printed circuit boards W, and the claws 38 and 42 are opposed to the end surfaces of the printed circuit boards W. Then, the cylinders 39 and 43 of the support frame 26 are actuated to move the claws 38 and 42 toward each other and hold the printed circuit board W. In this state, the cylinder 24
Operates to raise the support frame 26 and picks up the printed circuit board W from the carrying device C. Then, the cylinder 23 operates to move the printed circuit board W above the mounting position S of the printed circuit board processing machine A and wait as shown in FIG. 3 (a).

When the processing of the printed circuit board W by the printed circuit board processing machine A is completed, the table 2 of the printed circuit board processing machine A moves to the third position.
As shown in the figure (b), it moves to the mounting position S. Then, the cylinder 30 of the outer frame 27 of the exchanging device D operates to lower the support frame 33, insert the guide 35 between the printed circuit boards W, and allow the claws 38 and 42 to face the end surfaces of the printed circuit boards W. . Then, the cylinders 39 and 43 of the support frame 33 are actuated to move the claws 38 and 42 toward each other and hold the processed printed circuit board W. In this state, the cylinder 30 operates to raise the support frame 33 and pick up the processed printed circuit board W from the table 2. Then, the cylinder 29 operates and the outer frame 2
7 is moved from above the mounting position S to above the standby position of the transport device C.

Then, the cylinder 24 of the inner frame 21 is activated to lower the unprocessed printed circuit board W held by the claws 38 and 42 of the support frame 26 onto the table 2 of the printed circuit board processing machine A. Then, the cylinders 39 and 43 are operated, and the claw 3
The printed circuit board W is released from 8, 42, and the printed circuit board W is placed on the table 2. Then, the cylinder 24 operates to raise the support frame 26. At the same time, the cylinder 29 of the outer frame 27 is activated, and the claws 3 of the support frame 32 are
The processed printed circuit board W gripped by 8, 42 is lowered onto the belt 15 of the carrier C. Then, the cylinders 39 and 43 are operated to release the printed circuit board W from the claws 38 and 42, and the printed circuit board W is placed on the belt 15. Then, the cylinder 30 operates to raise the support frame 32. Then, the inner frame 21 having released the printed circuit board W moves to the standby position side, and the outer frame 27 moves to the mounting position S side to stand by. On the other hand, the print processing machine A in which the printed circuit board W is placed on the table 2 starts processing of the supplied printed circuit board W.

In the transfer device C on which the processed printed circuit board W is placed, the motor 16 operates to transfer the printed circuit board W to the storage device B side. Then, the printed circuit board W is sequentially positioned at a position facing the storage device B. Then, the slider 45 of the delivery device E operates and the printed circuit board W on the transfer device B is inserted into the storage device B.

By repeating the above operation, the processed printed board W and the unprocessed printed board W are exchanged between the standby position of the transport device C and the storage device B while the printed board W is being processed by the printed board processing machine A. Therefore, the printed circuit board W can be replaced with respect to the printed circuit board processing machine A table 2 in a short time.

〔The invention's effect〕

As described above, according to the present invention, between the mounting position set at the moving end of the table of the printed circuit board processing machine and the standby position set in the transfer device attached to the printed circuit board processing machine, A printed circuit board exchanging device in a printed circuit board processing machine adapted to deliver and receive a printed circuit board, wherein a base fixed to a column of the printed circuit board processing machine, and a base parallel to the moving direction of the table are provided on the base. Two pairs of guide shafts that are supported at a predetermined interval so as to project above the transport device, an inner frame that is slidably supported by a pair of guide shafts that are located on the inner side, and an inner frame that can be raised and lowered. A supported support frame,
A plurality of grip fittings movably supported on the support frame in a direction parallel to the moving direction of the inner frame, an outer frame slidably supported by a pair of outer guide shafts, and an outer frame. Since a support frame that is supported so as to be able to move up and down and a plurality of grip fittings that are supported on the support frame so as to be movable in a direction parallel to the moving direction of the outer frame are provided, printing on a table of a printed circuit board processing machine is performed. Substrates can be replaced in a short time, and the operating rate of the printed circuit board processing machine can be improved.

[Brief description of drawings]

FIG. 1 is a plan view showing the configuration of a printed circuit board processing machine in which a printed circuit board exchange device according to the present invention is arranged. FIG. 2 is a perspective view of a printed circuit board exchange device according to the present invention. FIG. 3 is a process diagram showing the operation of the exchange device. FIG. 4 is a perspective view showing a configuration of a support frame of the exchange device. FIG. 5 is a front view of the exchange device. FIG. 6 is a side view of the support frame of the exchange device. A: Printed circuit board processing machine, C: Conveying device, D: Exchange device, S: Mounting position, W: Printed circuit board, 2 ...
Table, 5 ... Column, 18 ... Base, 19, 20
...... Guide shaft, 21 …… Inner frame, 26 …… Support frame, 27 …… Outer frame, 32 …… Support frame, 37, 4
1 …… Grip metal fittings,

Claims (1)

[Claims] 1. A printed circuit board is transferred between a mounting position set at a moving end of a table of the printed circuit board processing machine and a standby position set in a transfer device provided in parallel with the printed circuit board processing machine. A printed circuit board exchanging device for a printed circuit board processing machine, in which a base fixed to a column of the printed circuit board processing machine and this base are
Two pairs of guide shafts are supported parallel to the moving direction of the table at a predetermined interval so as to project above the transport device, and an inner pair of slide shafts are slidably supported by a pair of guide shafts located inside. A frame, a support frame supported by the inner frame so as to be able to move up and down, a plurality of grip fittings supported by the support frame so as to be movable in a direction parallel to the moving direction of the inner frame, An outer frame slidably supported by the guide shaft, a support frame vertically supported by the outer frame, and a plurality of movably supported by the support frame in a direction parallel to the moving direction of the outer frame. An apparatus for exchanging a printed circuit board, comprising: