JPH0647675Y2 - Printed wiring board dividing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to an apparatus for dividing a printed wiring board into a plurality of module boards.

(Prior Art) As a conventional means for dividing a printed wiring board, a means for cutting the printed wiring board with a shearing cutter has been used. However, according to this means, shear stress acts on the printed wiring board at the time of cutting, and bending stress and torsional stress are also generated in the mounted components and the connecting portions thereof, so that there is a drawback that the reliability of the mounted circuit is deteriorated.

Therefore, in order to eliminate this drawback, JP-A-61-30399 has proposed a means of sandwiching a printed wiring board by two blade pieces, one on top of the other, to divide it.

(Problems to be solved by the invention) However, the above-mentioned JP-A-61-30399 discloses only a technique of dividing a printed wiring board by sandwiching it between upper and lower two blade pieces. However, it has a drawback that it is difficult to implement it because there is no specific disclosure of positioning means for the printed wiring board.

An object of the present invention is to provide a device for dividing a printed wiring board, which eliminates the above-mentioned conventional drawbacks.

(Means for Solving the Problem) A printed wiring board dividing device according to the present invention presses a toggle link formed by a plurality of arms rotatably connected via a fulcrum and a fulcrum of the toggle link. And a first blade holder configured to be movable in the vertical direction by the pressure unit, and a plurality of blade pieces arranged in the first blade holder. A first blade body, a mounting base, a slide base configured to be movable in the horizontal direction with respect to the mounting base, a second blade holder fixed to the slide base, and a second blade holder. 2nd composed of multiple blade pieces
A plurality of blade pieces constituting the first blade body and a plurality of blade pieces constituting the second blade body are arranged to face each other, and the first and second blades In a printed wiring board dividing device for sandwiching and dividing a printed wiring board by a body, a hole portion punched in the second blade holder between a plurality of blade pieces constituting the second blade body, and the hole. And a floating mechanical base formed below the slide pin for vertically moving the slide pin.

At this time, in the mounting base, a switch for operating the pressing portion is provided at a position where the second blade body should divide the printed wiring board, and the second blade body is moved after dividing the printed wiring board. A switch for operating the floating mechanical base can be provided at a position to be operated.

It is also possible to provide a pin on the second blade holder and provide a hole at a position corresponding to the pin on the printed wiring board.

(Operation) When the printed wiring board is divided, the printed wiring board is arranged on the second blade body, and the pins of the second blade holder are inserted into the holes of the printed wiring board so that the printed wiring board is moved to the first position. 2 Fixed on the blade body.

Next, the second blade body is moved to the lower side of the first blade body. Since the second blade body in the mounting base should divide the printed wiring board, the switch of the pressing unit is provided. Since the air cylinder automatically presses the fulcrum of the toggle link to open the arm, the first blade body moves downward to divide the printed wiring board.

After that, the second blade body is moved to the take-out position of the module board, but since the switch of the floating mechanical base is formed on the mounting base at that position,
Since the floating mechanical base is automatically operated to move the slide pin upward, the operator can easily take out the module substrate.

(Embodiment) An embodiment according to the present invention will be described with reference to FIGS. 1 to 11. 1 is a side view of an embodiment according to the present invention, FIG. 2 (A) is a plan view of a printed wiring board,
(B) is a side view of the same, FIG. 3 is an explanatory view showing the operation of the pressurizing section, FIG. 4 is a sectional view showing the divided state of the printed wiring board, and FIG. 5 is a perspective view showing the second blade body. FIG. 6 is a sectional view showing a floating mechanical base, FIG. 7 is an explanatory view of taking out a module substrate, FIG. 8 (A) is a side view of a second blade body showing another embodiment, and (B) is the same. Plan view,
FIG. 9 is a plan view of a printed wiring board cut by the first step of another embodiment, FIG. 10 is a side view of a second blade body used in the second step of another embodiment, and (B) is Same plan view,
FIG. 11 is a plan view showing a printed wiring board divided according to another embodiment.

In the figure, K is the entire device for dividing the printed wiring board, and is configured such that the printed wiring board 20 is sandwiched and divided by the first blade body 9A and the second blade body 9B.

In the figure, reference numeral 1 is a pressurizing device, which comprises a toggle link 11 formed by two arms 11A rotatably connected via a fulcrum and an air cylinder 12 for pressing the fulcrum of the toggle link 11. Has been formed. Of the toggle link 11,
One end of the arm 11A is vertically movably attached to the top plate of the apparatus K, the other end of the arm 11A is connected to the guide bush 15, and the flange portion 14 is provided below the guide bush 15. However, a carriage plate 13 is attached to the lower part thereof. The carriage plate 13 is
Guide bush 17, slide shaft 16 and spring
It is connected to the mounting base 3 via 18.

The first blade body 9A has a V-groove 21A formed by forming a vertical blade piece 9A1 and a horizontal blade piece 9A2 on the printed wiring board 20.
, And 21B, and is formed by being attached to the first blade holder 8A in a lattice shape. The first blade holder 8A is formed of a veneer plate, and a backing plate 10A for preventing the first blade body 9A from coming off is provided on the back side thereof.

The first blade body 9A is the first backing plate 10A.
Is connected to the carriage plate 13,
It will be linked with the pressurizing unit 1.

Further, 9B in the drawing is a second blade body, and a first blade body
Similar to 9A, it is composed of a vertical blade piece 9B1 and a horizontal blade piece 9B2, and a second blade holder 8B and a second backing plate 10B are provided on the back side thereof. In addition,
The second backing plate 10B has the slider base 4 via the floating mechanical base 5 and the guide plate 7.
Therefore, the second blade body 9B is configured to be movable in the horizontal direction with respect to the mounting base 3. The guide plate 7 is formed with a grip ball 6 for an operator to operate.

A pin 82 is formed on the second blade holder 8B, and a hole 22A is provided at a position corresponding to the pin 82 on the printed wiring board 20. Note that reference numeral 23 in the drawing denotes a chip component formed on the printed wiring board.

Also, the floating mechanical base 5 has an air intake port 55.
And an air suction plate 5B in which an air passage 54 for passing air from the air suction port 55 is formed, a cavity 53 connected to the air passage 54, and a small air cylinder connected to the cavity 53. 56 and an air cylinder mounting plate 5A on which is formed.

The small air cylinder 56 is used for the printed wiring board 20.
Are provided in the same number as the number of module substrates 21 formed by division, and shafts 56B are provided on the upper portions thereof. Further, the cavity 53 is formed by a concave portion provided on the bottom surface side of the air cylinder mounting plate 5A, therefore, in the plurality of small air cylinders 56,
Air from the air passage 54 can be supplied at the same time.

Further, in order to raise the module substrate 21 by the shaft 56B of the small air cylinder 56, the second blade holder 8B and the second backing plate described above are provided.
10B is provided with holes 81 and 10B1, respectively.
A slide pin 56A having a floating portion 56C formed therein is inserted through 81 and 10B1 and connected to the shaft 56B.

When the floating portion 56C descends, the bottom surface of the floating portion 56C is slightly higher than the upper surface of the second blade holder 8B, and when the floating portion 56C rises, the upper surface of the floating portion 56C is the second blade body 9B. The length dimension of the slide pin 56A and the thickness dimension of the floating portion 56C are set so as to slightly project from the tip.

A first stopper plate 31 is provided on the mounting base 3 at a position (left side in the drawing) where the second blade body 9B should be moved after the printed wiring board 20 is divided, and the first stopper plate 31 is provided above the first stopper plate 31. A first pin 31A interlocked with a first air switch 31B for operating the floating mechanical base 5 is formed.

A second stopper plate 32 is provided on the mounting base 3 at a position where the second blade body 9B should divide the printed wiring board 20 (on the right side in the drawing), and the pressing portion 1 is provided above the second stopper plate 32. A second pin 32A that is interlocked with a second air switch 32B for operating the.

In the figure, 2 is a fixed base.

Next, an operation example of the printed wiring board dividing apparatus according to this embodiment will be described.

First, the printed wiring board 20 to be divided is divided into the second blade body.
9B, but by inserting the pin 82 of the second blade holder 8B into the hole 22A of the printed wiring board 20,
The printed wiring board 20 can be fixed on the second blade body 9B.

Next, operate the grip ball 6 to move the second blade body 9B.
Is slid to move it below the first blade body 9A, but the second stopper plate 32 is provided at a position in the mounting base 3 where the second blade body 9B should divide the printed wiring board 20, The second blade body 9B is the first
When the slide base 4 comes just below the blade body 9A, the slide base 4 comes into contact with the second pin 32A of the second stopper plate 32. Therefore, the pressurizing unit 1 automatically operates, the air cylinder 12 presses the fulcrum of the toggle link 11, and the arm 11
Since A opens and the first blade body 9A is pushed down, the printed wiring board 20 is divided into a predetermined number by sandwiching the V grooves 21A and 21B between the first blade body 9A and the second blade body 9B. Becomes At this time, stress is not applied to the chip component 23 of the printed wiring board 20, and when the air delivery is stopped after a specific time, the first blade body 9A
Can be raised.

The operation of the pressurizing unit 1 at this time will be described with reference to FIG. If the power of each arm 11A of the toggle link 11 to open is FA, the opening angle between the arms 11A is α, and the thrust from the air cylinder 12 is P, then FA = P / 2 × tan α / 2.

That is, when the air cylinder 12 is operated, the angle between the arms 11A of the toggle link 11 approaches 180 ° without limit (tan α is infinite), and thus a large power FA can be obtained.

Therefore, the thrust force of the air cylinder 12 becomes N times the power, and the pressurizing unit 1 can be downsized.

Next, the operation of taking out the divided module substrate will be described.

First, the operator operates the grip ball 6 to move the second blade body 9B to the take-out position of the module substrate, and the mounting base 3 at that position has the first stopper plate 31
Is formed, and thus the second blade body is extended to that position.
When 9B moves to that position, the slide base 4 presses the first pin 31A of the first stopper plate 31, so that the first switch which is the switch of the floating mechanical base 5
The air switch 31B will be operated. Therefore,
Since the air that has passed through the air inlet 55, the air passage 54, and the cavity 53 pushes up the small air cylinder 56,
The floating portion 56C lifts the module substrate.

Therefore, the operator can safely and easily collect the module substrate.

Next, another application example according to the present invention will be described with reference to FIGS.

In the figure, 22 is a waste substrate that is unnecessary after division, and the waste substrate 22 is provided with a hole portion 22A for engaging with a pin 82 provided on the second blade holder 8B.

In this embodiment, the printed wiring board 20 is divided into two parts.
In the first step, the second blade body 9B consisting only of the vertical blade pieces 9B1 as shown in FIG. 8 is used. Although not shown, it is needless to say that the first blade body 9A also includes only the vertical blade piece 9A1.

Therefore, in the printed wiring board 20, as shown in FIG. 9, only the vertical V groove 21A is divided.

In the next second step, the second blade body 9B composed only of the lateral blade pieces 9B2 as shown in FIG. 10 is used. Although not shown, it is needless to say that the first blade body 9A also includes only the horizontal blade piece 9A2.

Therefore, the printed wiring board 20 is completely divided, and the module board 21 and the discarded board 22 are obtained.

It goes without saying that the above-mentioned first step and second step may be performed in reverse order.

(Effect) According to the printed wiring board dividing device of the present invention,
With the above configuration, the printed wiring board can be divided without applying stress to the chip components.

Further, the operator can divide the printed wiring board by simply moving the second blade body on the mounting base.

In particular, when the divided work is completed, the printed wiring board is pushed up by the slide pin, so that it is possible to safely and easily take out the divided printed wiring board.

Further, since the pressurizing unit and the floating base unit are driven by air, maintenance is easy.

Further, even if the overall size or the division size of the printed wiring board is changed, the first and second blade holders can be appropriately changed with the above dimensions, so that the printed wiring board of any shape and size can be supported. It becomes possible.
The replacement of both blade holders can be easily performed due to its structure.

Moreover, it has an excellent effect that it has a simple structure and can be implemented at low cost because it is easy to implement.

[Brief description of drawings]

1 to 11 show an embodiment of a device for dividing a printed wiring board according to the present invention, FIG. 1 is a side view of the embodiment according to the present invention, and FIG. 2 (A) is a plan view of the printed wiring board. FIG. 3B is a side view of the same, FIG. 3 is an explanatory view showing the operation of the pressing portion, FIG. 4 is a cross-sectional view showing the divided state of the printed wiring board, and FIG. 5 is a perspective view showing the second blade body. 6 and 6 are cross-sectional views showing a floating mechanical base, FIG. 7 is an explanatory view of taking out a module substrate, FIG. 8 (A) is a side view of a second blade body showing another embodiment, and FIG. Is the plan view,
FIG. 9 is a plan view of a printed wiring board cut by the first step of another embodiment, FIG. 10 is a side view of a second blade body used in the second step of another embodiment, and (B) is Same plan view,
FIG. 11 is a plan view showing a printed wiring board divided according to another embodiment. Explanation of main symbols 1: Pressurizing part, 11: Toggle link, 11A: Arm, 12: Air cylinder, 3: Mounting base, 31B: 1st air switch, 32B: 2nd air switch, 4: Slide base, 5 : Floating mechanism base, 53: Cavity, 54: Air passage, 55: Air suction port, 56: Small air cylinder, 56A: Slide pin, 5A: Air cylinder mounting plate, 5B: Air suction plate, 8A: 1st blade holder, 8B: second blade holder, 81: hole, 82: pin, 9A: first blade body, 9B: second blade body, 10A: first backing blade, 10B: second backing blade, 20: printed wiring board, 22A: Hole, K: Entire division device for printed wiring board

Claims (3)

[Scope of utility model registration request] 1. A pressurizing unit formed of a toggle link formed by a plurality of arms rotatably connected via a fulcrum, and an air cylinder for pressing the fulcrum of the toggle link, and the pressurizing unit. A first blade holder configured to be movable in the vertical direction by a portion, a first blade body configured by a plurality of blade pieces arranged in the first blade holder, a mounting base, and a mounting base with respect to the mounting base. A slide base configured to be movable in the horizontal direction, a second blade holder fixed to the slide base, and a second blade configured to include a plurality of blade pieces arranged in the second blade holder.
A plurality of blade pieces constituting the first blade body and a plurality of blade pieces constituting the second blade body are arranged to face each other, and the first and second blades In a printed wiring board dividing device for sandwiching and dividing a printed wiring board by a body, a hole portion punched in the second blade holder between a plurality of blade pieces constituting the second blade body, and the hole. A device for dividing a printed wiring board, comprising: a slide pin arranged via a section; and a floating mechanical base formed below the slide pin for moving the slide pin in the vertical direction. 2. A mounting base is provided with a switch for operating the pressing portion at a position where the second blade body should divide the printed wiring board, and the second blade is provided after the printed wiring board is divided. The device for dividing a printed wiring board according to claim 1, wherein a switch for operating the floating mechanical base is provided at a position where the body should be moved. 3. The printed wiring according to claim 1, wherein the second blade holder is provided with a pin, and a hole is provided at a position corresponding to the pin on the printed wiring board. Substrate dividing device.