JPH0550309A - Perforating device for printed wiring board - Google Patents

Abstract

PURPOSE:To offer a perforating device for a printed wiring board whose drill exchange time is shortened and which excels in productivity. CONSTITUTION:A perforating device consists of a lift 6, a perforator 31 provided to a spindle motor 3, a chuck cylinder 1, and a drill case 5 for housing a drill 8, and possesses on its drill exchange table 4, a pair of temporary rests 42 to temporarily lay the drill. The drill exchange table 4 is provided rotatably on a rotary stand 40. At the time of drill exchange, a new drill 8 is held by a chuck cylinder 1, and laid on a temporary rest 41 on one side, and at the same time, the oil drill 8 held by the spindle motor 3 is laid on the temporary rest 42 on the other side. Next, the drill exchange table 4 is rotated by a 180-degree to change the positions of new and oil drills. Then, the new drill 8 is held by the spindle motor 3, and, at the same time, the old drill 8 is held by the chuck cylinder 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printed wiring board boring device having excellent productivity.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 10, a printed wiring board 9 has a large number of through holes such as a positioning hole 91, a plating conducting hole 92, a through hole hole 93, and fixing holes 94 and 95. There is. That is, the through holes are formed in the printed wiring board 9
For example, when manufacturing a
1, as shown in FIG. 21, a drill 8 having a brim 80 and tip teeth 81 is used for drilling. The drill 8 may not have a brim.

Further, the through hole has various sizes and positions for making holes according to the purpose of use. Then, as shown in FIGS. 12 to 14, the through hole is drilled by a drilling device mounted on the elevator 6. The drilling device comprises a spindle motor 3, a chuck cylinder 2 arranged on one side of the spindle motor 3, a drill case 5 for accommodating a drill 8, and a drill exchange table 70 fixed to a work table 7. .. The spindle motor 3
As shown in FIG. 12 and FIG. 13, is a hole punching machine 31 mounted on the elevator 6 so as to be able to move up and down, cylinders 30 and 32 provided on both sides thereof, and an auxiliary device section 3 provided in the vicinity thereof.
3 and 3.

The chuck cylinder 2 is shown in FIG.
2, as shown in FIG. 13, it has a rod 20, a chuck portion 21 provided at the tip thereof, and a cylinder 22 for opening and closing the chuck portion 21. In addition, the drill exchange table 70
As shown in FIG. 12 and FIG. 14, one temporary placing table 71 for temporarily placing a new drill (hereinafter referred to as a new drill) 8 and an old used drill (hereinafter referred to as an old drill) 8 are collected. And the other recovery table 72 for Further, as shown in FIG. 14, the drills 8 have various sizes according to the purpose of use, and a large number of the drills 8 are erected on the drill case 5 in an aligned state. And
The drill exchange table 70 and the drill case 5 are fixed on the work table 7 in an adjacent state.

By the way, the above-mentioned punching device is used when the through holes are punched in the printed wiring board 9 (FIG. 10).
21. As shown in FIG. 21, it is operated as follows. First, as shown in FIG. 15, the new drill 8 erected on the drill case 5 is chucked (gripped) by the chuck portion 21 of the chuck cylinder 2. Next, as shown in FIG. 16, the new drill 8 is moved to the temporary stand 71. Next, as shown in FIG. 17, the boring machine 3 of the spindle motor 3 is
The old drill 8 being gripped at 1 is moved to the recovery table 72.

Next, as shown in FIG.
1, the new drill 8 transferred to the temporary placing table 71 is gripped. At this time, the old drill is on the recovery table 72. Next, as shown in FIG. 19, the old drill 8 transferred to the recovery table 72 is gripped by the chuck portion 21 of the chuck cylinder 2. Then, the old drill 8 is returned to the drill case 5 as shown in FIG. After that, as shown in FIG. 21, the new drill 8 held by the drilling machine 31 is used to make holes in the printed wiring board 9 to form through holes having various diameters. Then, by repeating this operation, holes are continuously formed at the respective positions of the printed wiring board 9.

[0007]

However, the above conventional example has the following problems. That is, the printed wiring board 9
As shown in FIG. 10, the positioning hole 91, the plating energizing hole 92, the through hole hole 93, the fixing hole 94,
It has a large number of through holes such as 95. Therefore, when drilling the printed wiring board 9, the drill must be replaced by performing the operation shown in FIGS. 15 to 21 every time the type and size of various through holes differ. The replacement work is complicated. Therefore, it takes a long time to replace the drill. As a result, the productivity of drilling work is reduced. The present invention has been made in view of such conventional problems, and an object thereof is to provide a drilling device for a printed wiring board, which has a short drill replacement time and is excellent in productivity.

[0008]

The present invention has a spindle motor for drilling a printed wiring board with a drill, and a vertically movable chuck cylinder arranged in parallel with the spindle motor. A drilling machine provided in an elevator that moves up and down separately, a drill case for storing a drill, and a drill exchange table having a pair of temporary storages for temporarily storing a new drill and an old drill respectively. In the printed wiring board boring device, the pair of temporary holders are arranged at the same distance as the distance between the boring machine of the spindle motor and the chuck part of the chuck cylinder, and the drill replacement table is rotatable. It is movably mounted on a turntable. When drilling, hold the new drill stored in the drill case by the chuck cylinder,
Place the new drill on one of the temporary holders and the old drill held by the spindle motor on the other temporary holder.
Next, rotate the rotating table 180 degrees, then hold the new drill by the spindle motor and hold the old drill by the chuck cylinder, then return the old drill to the drill case, and then hold by the spindle motor. It is configured to make a hole in the printed wiring board with the new drill of.

What is most noticeable in the present invention is that a pair of temporary placing bases for temporarily placing a new drill and an old drill are arranged on the drill exchanging base, and the rotating base is used for 180 This means that it can be rotated once. The distance between the chuck cylinder and the spindle motor is matched with the distance between one temporary placing table and the other temporary placing table in the drill exchanging table. In addition, the spindle motor includes, for example, a drilling machine that is attached to an elevator so as to be able to move up and down, lifting cylinders that are provided on both sides of the drilling machine, and an auxiliary device portion that is provided near the drilling machine. The chuck cylinder includes, for example, a rod, a chuck portion provided at the tip of the rod, and a lifting cylinder.

[0010]

In the present invention, at the time of drilling, the new drill is first gripped by the chuck cylinder. Next, the new drill is placed on one of the temporary holders, and at the same time, the old drill held by the spindle motor is placed on the other temporary holder. Then, replace the drill exchange table with 18
Rotate 0 degrees. As a result, the positions of the new and old drills are switched, and the new drill is located under the spindle motor and the old drill is located under the chuck cylinder. Therefore, the new drill is gripped by the spindle motor, and at the same time, the old drill is gripped by the chuck cylinder. After that, the old drill is returned to the drill case, and then the new drill being held by the spindle motor is used to make holes in the printed wiring board.

As described above, the positions of the new drill and the old drill can be replaced within a short time by rotating the drill exchanging table with the rotating table. Therefore, it is not necessary to move the positions of the chuck cylinder and the spindle motor left and right as many times as in the conventional case, and the drill replacement time can be shortened as compared with the conventional case. Therefore, the productivity of the printed wiring board can be improved. Therefore, according to the present invention, it is possible to provide a drilling device for a printed wiring board, which has a short drill replacement time and is excellent in productivity.

[0012]

【Example】

Embodiment 1 A printed wiring board drilling device according to an embodiment of the present invention will be described with reference to FIGS. That is, as shown in FIG. 1, the drilling device of this example includes a spindle motor 3 for drilling a printed wiring board by using a drill 8 and a chuck cylinder that is arranged parallel to the spindle motor 3. Have. In addition, as shown in FIG. 1, the present drilling device is a drilling machine 31 provided on an elevator 6 which integrally lifts and lowers them.
And a drill case 5 for storing the drill 8,
The drill exchanging table 4 has a pair of temporary placing tables 41 and 42 for temporarily placing a new drill and an old drill, respectively. The pair of temporary holders 41, 42 are arranged at the same distance m as the distance m between the drilling machine 31 of the spindle motor 3 and the chuck portion 11 of the chuck cylinder 1, and the drill exchange table 4 rotates. It is provided on the turntable 40 as much as possible.

When drilling a hole, first, as shown in FIG.
And the new drill 8 is placed on one temporary placing table 41, and at the same time, the used old drill 8 grasped by the spindle motor 3 is placed on the other temporary placing table 42. Then,
As shown in FIG. 5, the rotary table 40 is used to rotate the drill replacement table 4 by 180 degrees. Next, as shown in FIG. 6, the spindle motor 3 holds the new drill 8 and the old drill 8 by the chuck cylinder 1. Thereafter, as shown in FIG. 7, the old drill 8 is returned to the drill case 5, and then the new drill 8 being held by the spindle motor 3 is used to make a hole in a predetermined position of the printed wiring board 9 (see FIG. 10). (See FIG. 21).

What should be noted here is the drill exchange table 4
However, it is arranged so as to rotate 180 degrees via a rotary actuator (not shown) provided on the rotary table 40 and a rotary shaft 401. The rotary actuator may be of any type that is operated by air pressure, hydraulic pressure, electricity or the like. In addition, the chuck cylinder 1 and the spindle motor 3 are arranged as shown in FIG.
As shown in FIG. 3, the temporary stand 41, 42 is arranged at the same interval m as the interval m. In this way, the two are arranged at the same interval m so that they are aligned with the interval m between one temporary placing table 41 and the other temporary placing table 42 in the drill exchange table 4 after being rotated. This is because.

As shown in FIGS. 1 and 2, the first chuck cylinder 1 is arranged on the elevator 6 so as to be able to move up and down separately from the spindle motor 3. In addition, the chuck cylinder 1 includes a rod 10
And a chuck portion 11 provided at the tip thereof and a chuck portion 1
1 for opening and closing 1. As shown in FIG. 2, the drill exchange table 4 has a rotation table 40 below it. Then, the drill exchange table 4 includes a rotary table 40.
It is rotatably arranged via a rotating shaft 401. The new drill 8 and the old drill 8 are placed on the one temporary placing table 41 and the other temporary placing table 42, or except when being held by the spindle motor 3 and the chuck cylinder 1. As shown in FIG. 3, a large number of drill cases 5 are erected upright. The drill 8 is the same as the conventional example (see FIG. 11).

Then, the drill exchange table 4 and the drill case 5 are arranged on the work table 7 in an adjacent state as shown in FIG. In addition, the spindle motor 3
As shown in FIGS. 1 and 2, a perforator 31 is attached to the elevator 6 so as to be able to move up and down, cylinders 30 and 32 provided on both sides of the perforator 31, and auxiliary parts provided in the vicinity thereof. 33 and. Others are the same as the conventional one.

Next, the function and effect will be described. The drilling device of this example operates as follows. First, as shown in FIG. 3, only the chuck cylinder 1 is lowered so that the new drill 8 is pulled out and held by the drill case 5. At this time, the spindle motor 31 holds the used old drill 8. Then, as shown in FIG.
The new drill 8 is placed on one temporary placing table 41, and the old drill 8 held by the spindle motor 3 is placed on the other temporary placing table 42. Next, as shown in FIG. 5, the spindle motor 3 and the chuck cylinder 1 are raised, and the drill replacement table 4 is rotated 180 degrees by the rotation table 40.

Next, the spindle motor 3 is lowered to grip the new drill 8 on the temporary placing table 41, and
The chuck cylinder 1 is also lowered to grip the old drill 8 on the temporary table 42. Then, as shown in FIG. 6, the old drill 8 is returned to the drill case 5. Then, as shown in FIG. 7, a new drill 8 held by the spindle motor 3 is used to make a hole at a predetermined position on the printed wiring board 9 (see FIG. 21). Then, each time the type and size of the drill 8 differ, the drill exchange as described above is repeated. The drill exchange table 4 is left in the same position to prepare for the next drill exchange. This is the temporary stand 4
1, 42 have the same configuration. Therefore, the left and right temporary placing bases 41 and 42 come to the same position for every single drill replacement.

As described above, the positions of the new drill and the old drill can be replaced within a short time by rotating the drill exchange table 4. Therefore, the conventional drill replacement time is
According to the present example, for example, 42 seconds can be shortened to about two thirds of 25 seconds, for example. When this is calculated by the working time per day, the drill stop time was 4.6 hours / day in the past, but was shortened to 2.5 hours / day in the present invention, which is nearly 2 hours.

Embodiment 2 In this embodiment, as shown in FIG. 8, a pair of magnetic sensors 43 for detecting the drill 8 are arranged on the temporary placing table 42 in the above-mentioned Embodiment 1. Further, the auxiliary unit 33 is provided with a control unit for automatically controlling the movement of the spindle motor 3 by a program. The pair of magnetic sensors 4
3, 43 are arranged below the drill holder 421 of the temporary holder 42 so as to face each other. The drill stand 421 has an L shape, and has a brim portion 80 of the drill 8.
Has a mounting portion 422 to which is fitted. Drill 8 above
Is tentatively placed on the placing portion 422 by the hole making machine 31, for example.

At this time, the tip teeth 81 of the drill 8 are
It is detected by the magnetism of the pair of magnetic sensors 43, 43. Then, this electric signal is transmitted to the control unit. As a result, the spindle motor 3 is moved to the drill 8
After confirming that it has been removed, the control unit automatically raises it according to an instruction from the control unit. After that, the control unit automatically rotates the drill exchange table 4 by 180 degrees via the rotation shaft 401.
Therefore, according to this example, the drill can be replaced more quickly and accurately than in the first embodiment. In addition, the same effect as that of the first embodiment can be obtained.

Third Embodiment In this embodiment, as shown in FIG. 9, an optical sensor 44 is arranged in place of the magnetic sensor 43 of the second embodiment. That is, the optical sensor 44 includes the light emitting element 441 and the light receiving element 4
And 42. Further, the optical sensor 44 is provided on a temporary placing table 42 for temporarily placing the drill 8 as shown in FIG. The pair of optical sensors 44 are provided on the temporary table 4
It is arranged below the second drill stand 421 so as to face each other.

Then, when the brim portion 80 of the old drill 8 is temporarily placed on the placing portion 422, the tip teeth 81 of the old drill 8 are placed.
Interrupts the light path. Therefore, the light sensor 44 detects a change in the amount of light and detects the placement of the drill 8. After that, similarly to the second embodiment, the information of the detection result is transmitted to the program and the control unit, and the chucking error of the drill, the gripping depth of the drill, etc. can be detected, and the depth of the drilling in the substrate Adjustment operation is performed. According to this example, the same effect as that of the second example can be obtained.

[Brief description of drawings]

FIG. 1 is an overall side view of a punching device for a printed wiring board according to an embodiment.

FIG. 2 is an overall plan view of a punching device for a printed wiring board according to an example.

FIG. 3 is an operation explanatory view showing a gripped state of a new drill of the punching device for a printed wiring board according to the embodiment.

FIG. 4 is an operation explanatory view showing a state in which a new drill and an old drill of the drilling device are moved to a pair of temporary holders.

FIG. 5 is an operation explanatory view showing a rotating state of a drill exchange table of the drilling device.

FIG. 6 is an operation explanatory view showing a returned state of an old drill of the drilling device.

FIG. 7 is an operation explanatory view showing a stored state of an old drill of the drilling device.

FIG. 8 is a side view of the temporary placing table in which the magnetic sensor is arranged in the second embodiment.

FIG. 9 is a side view of a temporary placing table in which an optical sensor is arranged in the third embodiment.

FIG. 10 is a plan view of a printed wiring board having various through holes.

FIG. 11 is a perspective view of a drill used in the drilling device.

FIG. 12 is an overall side view of a conventional printed wiring board boring device.

FIG. 13 is a plan view of a conventional punching device for a printed wiring board.

FIG. 14 is a plan view showing an arrangement state of a conventional drill exchange table and a drill case.

FIG. 15 is an operation explanatory view showing a new drill gripping state of a conventional printed wiring board drilling device.

FIG. 16 is an operation explanatory view showing a temporary placement state of the new drill in the conventional drilling device.

FIG. 17 is an operation explanatory view showing a recovered state of an old drill in the conventional drilling device.

FIG. 18 is an operation explanatory view showing a state in which a new drill is gripped in the conventional drilling device.

FIG. 19 is an operation explanatory view showing a state where an old drill is held in the conventional drilling device.

FIG. 20 is an operation explanatory view showing a stored state of an old drill in the conventional drilling device.

FIG. 21 is an explanatory view showing a drilled state in the conventional drilling device.

[Explanation of symbols]

 1. ． ． Chuck cylinder, 11. ． ． Chuck part, 3. ． ． Spindle motor, 31. ． ． Drilling machine, 4. ． ． Drill change table, 40. ． ． Swivel base, 401. ． ． Rotation axis, 41, 42. ． ． Temporary stand, 5. ． ． Drill case, 8. ． ． Drill,

Claims (1)

[Claims] 1. A spindle motor for drilling a printed wiring board using a drill, and a vertically movable chuck cylinder arranged in parallel with the spindle motor are provided, and these are integrally raised and lowered. It consists of a drilling machine installed in the elevator, a drill case for storing the drill, and a drill exchange table having a pair of temporary placing tables for temporarily placing the new drill and old drill respectively. The pair of temporary holders are arranged at the same distance as the distance between the drilling machine of the spindle motor and the chuck part of the chuck cylinder, and the drill replacement table is rotatably mounted on the rotating table. , Hold the new drill stored in the drill case by the chuck cylinder, place the new drill on one of the temporary holders, and use the old drill held by the spindle motor on the other side. On the temporary placement table, then rotate the drill replacement table 180 degrees by the rotary table, then grip the new drill by the spindle motor and the old drill by the chuck cylinder, and then the old drill. A device for punching a printed wiring board, characterized in that it is configured to make a hole in the printed wiring board by a new drill being held by the spindle motor after that.