KR102368128B1 - Cassette magazine supply circulation device for printed circuit board vision inspection device - Google Patents

Abstract

According to the present invention, a cassette magazine supply circulation device for a printed circuit board vision inspection device respectively comprises: a supply table where a cassette magazine is supplied; a circulation table where an empty cassette magazine is circulated; and a discharge storage table where a printed circuit board, which is completely inspected, is stored. The present invention enables the cassette magazine to be circulated and enables the printed circuit board to be automatically supplied and discharged to significantly improve work efficiency and convenience of an inspection device.

Description

Cassette magazine supply circulation device for printed circuit board vision inspection device }

The present invention relates to a cassette magazine supply circulation device for a printed circuit board vision inspection device. More specifically, the cassette magazine circulates the cassette magazine and automatically supplies and discharges the printed circuit board to improve the working efficiency and convenience of the inspection device. It relates to a cassette magazine supply circulation device for a printed circuit board vision inspection device each equipped with a supply table to be supplied, a circulation table for circulating empty cassette magazines, and a discharge storage table for accommodating a printed circuit board that has been inspected.

In general, a printed circuit board (P.C.B.: Printed Circuit Board) is a board on which electronic components such as integrated circuits, resistors or switches are mounted, and circuits for connecting the electronic components are printed on the printed circuit board.

Since such a defect in the printed circuit board leads to a defect in the electronic device including the printed circuit board, it is necessary to inspect the manufactured printed circuit board before mounting the electronic components on the printed circuit board.

In order to inspect the defect of the printed circuit board, a vision inspection device including a vision camera or a scan camera is used. In the conventional vision inspection device, the transfer unit loaded with the printed circuit board before the vision inspection moves along the transfer path. The printed circuit board was inspected for defects by a vision camera installed on the transfer path.

An apparatus for inspecting such a semiconductor substrate can be known through Republic of Korea Utility Model Registration No. 20-0339601.

Meanwhile, in the related art, a box-shaped cassette magazine is provided as shown in FIG. 1 to supply or store a plurality of printed circuit boards inside the vision inspection device. It is made in a form in which a plurality of fitting grooves into which the printed circuit board (P) is fitted one by one are formed inside the shape.

Here, the conventional vision inspection device is provided with a supply device for supplying the printed circuit board provided in the cassette magazine to the inside of the vision inspection device, which is stacked after the operator places the cassette magazine at a predetermined position. It is a device that pushes and feeds printed circuit boards one by one.

However, in the conventional supply device, the operator has to manually supply the cassette magazine one by one, so that the operator must always reside in the vicinity of the vision inspection device.

In addition, the conventional supply device discharges the cassette magazine to the outside when the printed circuit board accommodated therein runs out after supplying the cassette magazine. There was a problem in that the work took a long time and the work of the worker increased due to the inefficient process that had to be supplied.

The present invention was created to solve the problems of the prior art as described above, and an object of the present invention is a supply table to which a cassette magazine is supplied, a circulation table through which an empty cassette magazine is circulated, and a discharge storage in which a printed circuit board that has been inspected is accommodated. It is to provide a cassette magazine supply circulation device for a printed circuit board vision inspection device, which can greatly improve the working efficiency and convenience of the inspection device by automatically supplying and discharging the printed circuit board by circulating the cassette magazine by providing each table.

Cassette magazine supply circulation device for a printed circuit board vision inspection device according to the present invention for achieving the above object is provided in a vision inspection device for inspecting defects of a printed circuit board, and a cassette magazine in which a plurality of printed circuit boards are accommodated. A cassette magazine supply circulation device that supplies after moving to a position, a plate-shaped bottom plate closely adhered to the floor, a partition plate erected vertically from the bottom plate, and a perforated surface of the partition plate to the inside of the vision inspection device a main body comprising a supply hole for supplying the printed circuit board and a discharge hole drilled in the other surface of the partition plate through which the printed circuit board that has been inspected by the vision inspection device is discharged; A discharge storage table provided on the bulkhead plate and moving in one direction after seating the finished cassette magazine on which the printed circuit board for which the inspection has been completed is accommodated, and a printed circuit board to be inspected provided under the discharge storage table is accommodated It consists of a supply table for moving the inspection cassette magazine in one direction after seating it on the upper part, and a circulation table provided at the lower part of the supply table and moving the circulation cassette magazine in which the printed circuit board is exhausted after seating it on the upper part and moving it in one direction. a table unit; a cassette supply moving unit provided on one side of the table unit to move the inspection cassette magazine to the supply hole and move the circulation cassette magazine to the circulation table; It is provided on the other side of the table part and moves the circulation cassette magazine to the discharge hole so that the printed circuit board discharged from the discharge hole is accommodated, and a cassette discharge moving part for moving the received finished cassette magazine to the discharge table. characterized.

The front portion of the supply hole further includes a substrate push supply unit for pushing the printed circuit board accommodated in the inspection cassette magazine from the front to the rear; The substrate push supply unit is attached to one surface of the bulkhead plate and has a box-shaped push body with one side open, a push movement belt provided inside the push body and rotated in one direction, and connected to the push movement belt, and the It is characterized in that it consists of a push ball that reciprocates into the inside of the inspection cassette magazine.

The push member comprises a push connector connected to the push moving belt, a push cylinder attached to one surface of the push connector and reciprocating back and forth, and a press piece extending in the direction of the inspection cassette magazine at one end of the push cylinder do it with

The cassette supply moving unit includes a supply tower erected vertically from the bottom plate, a supply rotary shaft rod provided in the supply tower and rotated in the vertical axis direction, and a supply elevating port connected to the supply rotary shaft rod to elevate and descend, and the supply It is characterized in that it consists of a supply cylinder connected horizontally to one side of the elevating port and reciprocating left and right, and a supply gripper connected to one end of the supply cylinder and gripping the cassette magazine.

The supply holding unit includes a plate-shaped supply plate to which the supply cylinder is connected, a supply holding cylinder reciprocating in a vertical direction on one surface of the supply plate, and a supply phase provided above the supply holding cylinder and pressing the upper surface of the cassette magazine. It is characterized in that it consists of a negative gripper and a lower supply gripper which is provided under the supply plate 351 and supports the lower surface of the cassette magazine.

The cassette discharge moving unit includes a discharge tower erected vertically from the bottom plate, a discharge rotary shaft rod provided in the discharge tower and rotated in the vertical axis direction, and a discharge elevating port connected to the discharge rotary shaft rod to elevate and descend, and the discharge It is characterized in that it consists of a discharge cylinder connected horizontally to one side of the elevating port and reciprocating left and right, and a discharge gripper connected to one end of the discharge cylinder and gripping the cassette magazine.

A defective cylinder that reciprocates left and right is provided on the upper portion of the discharge cylinder, and one end of the defective cylinder further includes a defective holding part for holding a defective magazine containing the defective printed circuit board discharged to the vision inspection device. characterized.

An upper portion of the discharge storage table may further include a defective storage table for seating the defective magazine on the upper portion.

As described above, the cassette magazine supply circulation device for a printed circuit board vision inspection device according to the present invention has the following effects.

First, by providing a supply table to which a cassette magazine is supplied, a circulation table in which an empty cassette magazine is circulated, and a discharge storage table in which an inspection completed printed circuit board is accommodated, respectively, the cassette magazine is circulated and the printed circuit board is automatically supplied and discharge to greatly improve the working efficiency and convenience of the inspection device,

Second, by having a push cylinder that reciprocates back and forth on one surface of the push connector connected to the push movement belt, the push tool can be precisely moved, and it is possible to prevent in advance from deviated from the path when the printed circuit board is supplied,

Third, by having a bad holding part for moving the bad printed circuit board in a part of the cassette discharge moving part, it is to individually classify the defective / printed circuit board after the inspection. can be prevented,

Fourth, by further including a defective storage table for placing the defective magazine on the upper part of the discharge storage table, it is possible to prevent indiscriminate mixing of products by classifying defective printed circuit boards among the inspected printed circuit boards. there is an effect

1 is a perspective view showing a cassette magazine according to the present invention,
2 is a perspective view showing a cassette magazine supply circulation device according to the present invention,
3 is an exploded perspective view showing a cassette magazine supply circulation device according to the present invention;
4 is a perspective view showing a substrate push supply unit according to the present invention,
5 is a perspective view showing a cassette supply moving part according to the present invention,
6 is a perspective view showing a cassette discharge moving part according to the present invention,
7 is a side view showing a supply gripper according to the present invention,
8 is a view showing the operation sequence of the cassette magazine supply circulation device according to the present invention. (a) is an operation diagram for supplying the first inspection cassette magazine, (b) is a cassette supply moving unit for moving the inspection cassette magazine is the action,
9 (c) is an operation diagram of the circulation cassette magazine moving to the circulation table, (d) is an operation diagram of the circulation cassette magazine moving to the discharge hole,
Figure 10 (e) is an operation diagram in which the finished cassette magazine containing the printed circuit board, which has been inspected, is moved to the discharge storage table, (f) is the defective magazine containing the defective printed circuit board is moved to the defective table when a defect occurs It is also an action to make.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Cassette magazine supply circulation device for a printed circuit board vision inspection device according to the present invention is provided in the vision inspection device (V) for inspecting the defects of the printed circuit board (P) as shown in FIGS. As a cassette magazine supply circulation device (1) for supplying a cassette magazine (C) in which the circuit board (P) is accommodated after moving it to a predetermined position, a plate-shaped bottom plate (11) in close contact with the floor and the bottom plate (11) A barrier rib plate 12 erected vertically in the a body portion 10 perforated on the other surface of the partition plate 12 and comprising a discharge hole 14 through which the printed circuit board P, which has been inspected by the vision inspection device V, is discharged; A discharge storage table 21 that is provided on the bulkhead plate 12 and moves in one direction after seating the finished cassette magazine C1 in which the inspected printed circuit board P is accommodated on the upper portion, and the discharge storage table ( 21) provided in the lower portion of the inspection cassette magazine (C2) in which the printed circuit board (P) to be inspected is placed thereon, and then a supply table 22 that moves in one direction, and a lower portion of the supply table 22 a table unit 20 comprising a circulation table 23 provided and having the printed circuit board (P) exhausted and the circulation cassette magazine (C3) seated thereon and then moved in one direction; A cassette supply moving part provided on one side of the table part 20 to move the inspection cassette magazine C2 to the supply hole 13 and to move the circulation cassette magazine C3 to the circulation table 23 . (30) and; The circulation cassette magazine (C3) is moved to the discharge hole (14) provided on the other side of the table part (20) and the printed circuit board (P) discharged from the discharge hole (14) is accommodated, and the received It is composed of a cassette discharging moving unit 40 for moving the finished cassette magazine C1 to the discharging table 21 .

On the other hand, the discharge storage table 21, the supply table 22, and the circulation table 23 are provided with belt rollers (not shown) on both sides, and the cassette magazine (C) is mounted on the belt roller (not shown) in one direction. It is preferable that a conveyor belt (not shown) is provided to move it, and a driving motor for rotating it is provided respectively.

And, in the front portion of the supply hole 13, as shown in FIG. 4, the substrate push supply unit 50 for pushing the printed circuit board (P) accommodated in the inspection cassette magazine (C2) from the front to the rear is further provided. included; The substrate push supply unit 50 is attached to one surface of the barrier plate 12 and includes a box-shaped push body 51 with one side open, and a push provided inside the push body 51 and rotated in one direction. It consists of a moving belt 52 and a push port 53 connected to the push moving belt 52 and reciprocating inside the inspection cassette magazine (C2).

At this time, the push port 53 includes a push connector 531 connected to the push movement belt 52, a push cylinder 532 attached to one surface of the push connector 531 and reciprocating back and forth, and the push cylinder One end of the 532 is made of a pressing piece 533 extending in the direction of the inspection cassette magazine (C2).

On the other hand, it is preferable that a seating groove (not shown) recessed inward to be inserted into the printed circuit board P is formed on one end surface of the pressing piece 533 .

In addition, the cassette supply moving unit 30 is provided in the supply tower 31 and the supply tower 31 upright from the bottom plate 11 as shown in FIG. 5 and is rotated in the vertical axis direction. A supply rotary shaft rod 32, a supply elevating port 33 connected to the supply rotating shaft rod 32 to elevate, and a supply cylinder connected horizontally to one side of the supply elevating and lowering port 33 and reciprocating left and right (34) and a supply holding part 35 connected to one end of the supply cylinder 34 and holding the cassette magazine (C).

And, as shown in FIG. 7 , the supply holding part 35 includes a plate-shaped supply plate 351 to which the supply cylinder 34 is connected, and a supply that reciprocates in a vertical direction on one surface of the supply plate 351 . A gripping cylinder 352, a supply upper gripper 353 provided on the upper portion of the supply gripping cylinder 352 and compressing the upper surface of the cassette magazine C, and the supply plate 351 are provided below the It consists of a lower supply gripper 354 for supporting the lower surface of the cassette magazine (C).

On the other hand, it is preferable that the lower gripping part 354 is provided with a lower gripping cylinder that reciprocates in the front-rear direction to hold the lower surface protrusion (not shown) of the cassette magazine C.

And, the cassette discharge moving part 40 is provided in the discharge tower 41 and the discharge tower 41 upright from the bottom plate 11 as shown in FIG. 6 and is rotated in the vertical axis direction. The discharge rotary shaft rod 42, the discharge rotary shaft rod 42 connected to the discharge elevating port 43, and the discharge cylinder connected horizontally to one side of the discharge elevating port 43 and reciprocating left and right (44), and is connected to one end of the discharge cylinder 44 and consists of a discharge gripper 45 for gripping the cassette magazine (C).

On the other hand, the discharge holding portion 45 is preferably formed in the same configuration as the supply holding portion (35).

In addition, a defective cylinder 46 that reciprocates left and right is provided on the upper portion of the discharge cylinder 44, and one end of the defective cylinder 46 has a defective printed circuit board discharged to the vision inspection device V ( A defective holding unit 47 for holding the defective magazine C4 in which P) is accommodated is further included.

In addition, as shown in FIGS. 2 to 3 , a defective storage table 24 for seating the defective magazine C4 on the upper portion of the discharge storage table 21 is further included.

On the other hand, the bad storage table 24 is provided with belt rollers (not shown) on both sides, and the belt roller (not shown) is provided with a conveyor belt (not shown) for moving the bad magazine C4 in one direction. desirable.

The operation of the cassette magazine supply circulation device for a printed circuit board vision inspection device according to the present invention having the above configuration is as follows.

Cassette magazine supply circulation device for a printed circuit board vision inspection device according to the present invention is provided in the vision inspection device (V) for inspecting the defects of the printed circuit board (P) as shown in FIGS. It is a cassette magazine supply circulation device (1) for supplying after moving the cassette magazine (C) in which the circuit board (P) is accommodated to a predetermined position.

That is, the cassette magazine supply circulation device 1 seats the inspection cassette magazine C2 in which the printed circuit board P to be initially inspected is accommodated on the supply table 22 as shown in FIG. move the

Then, as shown in FIG. 8(b), the cassette supply moving unit 30 provided on one side grips the inspection cassette magazine C2 and moves it to the supply hole 13, and the substrate push supply unit 50 of Through the operation, the printed circuit board (P) accommodated in the inspection cassette magazine (C2) can be supplied by pushing one by one.

And, after all the printed circuit boards (P) are supplied, as shown in FIG. 9(c), the empty circulating cassette magazine C3 is seated on the circulation table 23, and the circulating cassette magazine C3 is discharged from the cassette. Move to the east (40).

Thereafter, as shown in FIG. 9( d ), the circulation cassette magazine C3 is moved to the discharge hole 14 through the cassette discharge moving part 40 , and the inspection completed printed circuit discharged from the discharge hole 14 . The substrate (P) is accommodated in the circulating cassette magazine (C3).

Then, as shown in FIG. 10( e ), the finished cassette magazine C1 in which the inspected printed circuit board P discharged from the discharge hole 14 is accommodated is moved to the discharge storage table 21 and then stored. do.

Through this, the supply table 22 to which the cassette magazine C is supplied, the circulation table 23 in which the empty cassette magazine C is circulated, and the discharge storage table in which the printed circuit board P on which the inspection is completed is accommodated ( 21) is provided, thereby circulating the cassette magazine (C) and automatically supplying and discharging the printed circuit board (P), thereby improving the working efficiency and convenience of the inspection device.

On the other hand, when a defect occurs in the printed circuit board P during inspection as shown in FIG. The generated printed circuit board (P) is accommodated, and it is seated and stored on the defective table (24).

And, as shown in FIG. 4, the front part of the supply hole 13 is provided with a substrate push supply part 50 for pushing the printed circuit board (P) accommodated in the inspection cassette magazine (C2) from the front to the rear. By being, by moving the push connector 531 connected to the push movement belt 52 by rotation of the push movement belt 52, the printed circuit board (P) accommodated in the cassette magazine (C) can be supplied by pushing it in one direction. there will be

At this time, the substrate push supply unit 50 reciprocates to a predetermined position, and it is preferable that the cassette supply unit 30 is raised and lowered in order to push the printed circuit boards P stacked up and down.

Here, by having a push cylinder 532 attached to one surface of the push connector 531 connected to the push movement belt 52 and reciprocating back and forth is provided, the push movement belt 52 at the last movement of the push movement belt 53 By moving more precisely than the movement of the printed circuit board (P), it is possible to prevent in advance from being separated when the printed circuit board (P) is supplied.

In addition, the cassette supply moving unit 30 raises and lowers the supply elevating port 33 to a predetermined position by the rotation of the emergency rotary shaft rod 32 as shown in FIG. 5, and through the supply cylinder 34, the It becomes possible to move the cassette magazine (C) in the horizontal direction.

At this time, by being provided with the supply holding part 35 for holding the cassette magazine (C), the cassette magazine (C) can be easily gripped or separated, which is a supply plate (C) to which the rear side of the cassette magazine (C) is in close contact. 351) is provided with an upper supply gripper 353 vertically ascending and descending on the upper portion and a lower supply gripper 354 supporting the lower surface of the cassette magazine (C) at the lower portion to conveniently grip or release the cassette magazine (C) be able to do

And, as shown in FIG. 6 , the cassette discharge moving part 40 elevates and descends with the rotation of the discharge rotary shaft rod 42 , and is horizontally moved through the discharge cylinder 44 .

At this time, since the discharge gripper 45 having the same structure as the supply gripper 35 is provided at the end of the discharge cylinder 44, the cassette magazine C is conveniently gripped in the cassette discharge moving part 40 and can be released

On the other hand, a defective cylinder 46 that reciprocates left and right is provided on the upper portion of the discharge cylinder 44, and a defective holding part 47 is further included at one end of the defective cylinder 46, so that the vision inspection device It is possible to prevent the defective printed circuit board P discharged to (V) from being moved to the discharge storage table 21 by holding the defective magazine C4 accommodated therein.

At this time, the upper portion of the discharge storage table 21, as shown in FIGS. 2 to 3, further includes a defective storage table 24 for seating the defective magazine C4 on the upper portion, so that the inspection completed printed circuit board ( It is possible to prevent indiscriminate mixing of products by classifying defective printed circuit boards (P) among P).

The present invention is not limited to the specific preferred embodiments described above, and various modifications are possible by anyone with ordinary skill in the art to which the invention pertains without departing from the gist of the invention as claimed in the claims. Of course, such modifications are intended to be within the scope of the claims.

<Explanation of symbols for main parts of the drawing>
P : Printed circuit board V : Vision inspection device
C : Cassette magazine C1 : Complete cassette magazine
C2 : Inspection cassette magazine C3 : Circulation cassette magazine
C4: Bad cassette magazine 1: Cassette magazine supply circulation device
10: body part 11: bottom plate
12: bulkhead plate 13: supply hole
14: exhaust hole 20: table part
21: discharge storage table 22: supply table
23: circulation table 24: bad storage table
30: cassette supply moving unit 31: supply tower
32: supply rotating shaft rod 33: supply elevating port
34: supply cylinder 35: supply grip part
351: supply plate 352: supply holding cylinder
353: supply upper wave district 354: supply lower wave district
40: cassette discharge moving part 41: discharge tower
42: discharge rotating shaft rod 43: discharge elevating port
44: discharge cylinder 45: discharge gripping part
46: defective cylinder 47: defective gripping part
50: substrate push supply unit 51: push body
52: push movement belt 53: push gu
531: push connector 532: push cylinder
533: press piece

Claims (8)

Cassette magazine supply circulation device provided in the vision inspection device (V) that inspects the defects of the printed circuit board (P) and supplies the cassette magazine (C) containing a plurality of printed circuit boards (P) to a predetermined position In (1),
A plate-shaped bottom plate 11 in close contact with the floor, a bulkhead plate 12 standing vertically from the bottom plate 11, and perforated on one surface of the partition plate 12, the vision inspection device (V) A supply hole 13 for supplying the printed circuit board (P) to the inside, and a printed circuit board (P) that is drilled in the other surface of the partition plate 12 and has been inspected by the vision inspection device (V) is discharged a body portion 10 made of a discharge hole 14;
A discharge storage table 21 that is provided on the bulkhead plate 12 and moves in one direction after seating the finished cassette magazine C1 on which the printed circuit board P on which the inspection is completed is accommodated, and the discharge storage table ( 21) provided in the lower portion of the inspection cassette magazine (C2) in which the printed circuit board (P) to be inspected is placed thereon, and then a supply table 22 that moves in one direction, and a lower portion of the supply table 22 a table unit 20 comprising a circulation table 23 provided and having the printed circuit board (P) exhausted and the circulation cassette magazine (C3) seated thereon and then moved in one direction;
A cassette supply moving part provided on one side of the table part 20 to move the inspection cassette magazine C2 to the supply hole 13 and to move the circulation cassette magazine C3 to the circulation table 23 . (30) and;
The circulation cassette magazine (C3) is moved to the discharge hole (14) provided on the other side of the table part (20) and the printed circuit board (P) discharged from the discharge hole (14) is accommodated, and the received composed of a cassette discharging moving unit 40 for moving the finished cassette magazine C1 to the discharging table 21;
The front portion of the supply hole 13 further includes a substrate push supply unit 50 for pushing the printed circuit board (P) accommodated in the inspection cassette magazine (C2) from the front to the rear;
The substrate push supply unit 50 is attached to one surface of the barrier plate 12 and includes a box-shaped push body 51 with one side open, and a push provided inside the push body 51 and rotated in one direction. It consists of a moving belt 52 and a push port 53 connected to the push moving belt 52 and reciprocating into the inside of the inspection cassette magazine (C2);
The push port 53 includes a push connector 531 connected to the push movement belt 52, a push cylinder 532 attached to one surface of the push connector 531 and reciprocating back and forth, and the push cylinder 532 ) is made of a pressing piece 533 extending in the direction of the inspection cassette magazine (C2) at one end of the;
The cassette supply moving unit 30 includes a supply tower 31 vertically upright from the bottom plate 11, a supply rotary shaft rod 32 provided in the supply tower 31 and rotated in the vertical axis direction, and the A supply elevating port 33 connected to the supply rotating shaft rod 32 and ascending and descending, a supply cylinder 34 connected horizontally to one side of the supply elevating and lowering port 33 and reciprocating left and right, and the supply cylinder ( 34) connected to one end and consists of a supply holding part 35 for holding the cassette magazine (C);
The supply holding part 35 includes a plate-shaped supply plate 351 to which the supply cylinder 34 is connected, and a supply holding cylinder 352 reciprocating in a vertical direction on one surface of the supply plate 351 , and the supply An upper supply gripper 353 that is provided on the gripping cylinder 352 and presses the upper surface of the cassette magazine C, and a lower portion of the supply plate 351 to support the lower surface of the cassette magazine C It consists of a supply lower gripping section 354;
The cassette discharge moving unit 40 includes a discharge tower 41 vertically upright from the bottom plate 11, a discharge rotation shaft rod 42 provided in the discharge tower 41 and rotated in the vertical axis direction, and the The discharge cylinder 44 connected to the discharge rotary shaft rod 42 and ascending and descending, the discharge cylinder 44 horizontally connected to one side of the discharge elevating port 43 and reciprocating left and right, and the discharge cylinder ( 44) is connected to one end and consists of a discharge gripper 45 for gripping the cassette magazine (C);
A defective cylinder 46 that reciprocates left and right is provided on the upper portion of the discharge cylinder 44, and one end of the defective cylinder 46 is discharged to the vision inspection device (V) defective printed circuit board (P) A defective holding unit 47 for holding the received defective magazine C4 is further included;
Cassette magazine supply circulation device for a printed circuit board vision inspection device, characterized in that the upper portion of the discharge storage table (21) further includes a defective storage table (24) for seating the defective magazine (C4) on the upper portion.

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