JP2793484B2 - Stamping machine for thin plate - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for engraving a thin plate such as a printed wiring board.

[0002]

2. Description of the Related Art A stamping machine 6 as shown in FIG. 4A is used for stamping a lot number or the like on the surface of a thin plate material 3 such as a printed wiring board. The stamping machine 6 is formed by providing a stamping head 11 on the ceiling surface of a stamping introduction portion 10 opened on the front surface and both side surfaces so as to be able to be driven up and down. By inserting the end and moving the engraving head 11 downward, the engraving head 11 performs engraving on the upper surface of the end of the thin plate material 3.

In order to perform the marking by the marking machine 6 as described above, it is necessary to position the thin plate 3 with respect to the marking head 11. Conventionally, as shown in FIG. 4 (a), a thin plate 3 is sucked and held by using a hoist 12 provided with a suction pad 13, and the suction hoist 12 is horizontally moved to one end of the thin plate 3. Is brought into contact with a stopper 14 provided on the bottom surface of the engraving introduction portion 11 of the engraving machine 6, thereby positioning the thin plate material 3.

FIG. 5 shows another example of the positioning of the thin sheet material 3.
When the sheet material 3 is conveyed to the position of the stamping machine 6, the sheet material 3 is pushed by a positioning plate 16 provided between the ends of the conveyor belt 15 so as to be capable of reciprocating movement. The sheet material 3 is moved on the conveyor belt 15 in the direction of the stamping machine 6, and one end of the sheet material 3 is brought into contact with a stopper 14 provided on the bottom surface of the stamping introduction portion 10 of the stamping machine 6. The positioning of the thin plate member 3 is performed.

[0005]

However, in the case of FIG. 4A, if the thin plate member 3 does not have rigidity and is easily deformed, FIG.
As shown in (b), there is a possibility that the end portion of the thin plate material 3 gets over the stopper 14 and cannot be positioned. Further, the thin plate material 3 is sucked by the suction pad 13 and the hoist 12
4C, if one end of the thin plate 3 is not parallel to the stopper 14 as shown in FIG. 4C, the corner of the thin plate 3 hits the stopper 14 to cause a bending failure. There was a problem that there was a possibility. Again
In order to adsorb by the adsorption pad 13,
There was also a problem that adsorption marks remained.

In FIG. 5, there is a possibility that the sheet material 3 may be caught between the ends of the conveyor belt 15, and the sheet material 3 is pushed on the conveyor belt 15 and moved in the direction of the stamping machine 6. In addition, there is a problem that the lower surface of the thin plate member 3 may be rubbed against the upper surface of the conveyor belt 15 and the lower surface of the thin plate member 3 may be damaged. The present invention has been made in view of the above, the thin plate and without fear accurately positioned scratches or bending, etc. of the generator can be engraved, yet you engraved even if warped sheet material It is an object of the present invention to provide an apparatus for engraving a thin plate material.

[0007]

According to the present invention, there is provided an apparatus for engraving a thin plate according to the present invention.
The positioning table 1 is provided with positioning means 4 for pressing the end of the thin plate 3 placed on the upper surface of the thin plate 3 and moving the thin plate 3 so that the marking position is located in the concave portion 2 for marking. When positioning, the air is blown out to float the thin plate material 3, and when engraving on the thin plate material 3, a floating / suction hole 5 for reducing the pressure and sucking the thin plate material 3 is provided on the upper surface of the positioning table 1. It is characterized by comprising a stamping machine 6 for stamping the thin plate material 3 located in the stamping recess 2.

[0008]

The thin plate 3 is positioned by the positioning means 4 while the thin plate 3 is floated by blowing air from the floating / suction hole 5 so that the thin plate 3 rubs against the upper surface of the positioning table 1. No more scratches or breaks. When engraving the thin plate 3, the floating / suction hole 5 is depressurized and the thin plate 3 is suctioned to the upper surface of the positioning table 1, so that the thin plate 3 is engraved at an accurate position without displacement. be able to.
Further, since the engraving position of the thin plate 3 is located in the engraved concave portion 2 provided at one end of the positioning table 1, almost the entire surface of the thin plate 3 except for the portion to be engraved is positioned on the positioning table 1. And the accuracy of engraving can be increased without the possibility of displacement.

[0009]

The present invention will be described below in detail with reference to examples. As shown in FIG. 1, the positioning table 1 is formed by forming a U-shaped notch recess 2 at the center of the front edge thereof, and a positioning means 4 is provided on the upper surface of the positioning table 1. The positioning means 4 includes a front stopper plate 18 fixedly provided along the front edge of the positioning table 1 on both sides of the marking recess 2 and a side fixedly provided along one side edge of the positioning table 1. A stopper plate 19;
It is formed to include a rear pressing plate 20 driven to reciprocate in the front-rear direction and a side pressing plate 21 driven to reciprocate in the horizontal direction. The positioning table 1 has front and rear guide grooves 22 long in the front and rear direction and horizontal guide grooves 23 long in the horizontal direction.
The rear pressing plate 20 is mounted on the front and rear guide groove 22, and the side pressing plate 21 is mounted on the lateral guide groove 23 so as to be movable along the grooves 22 and 23, respectively. The rear pressing plate 20 and the side pressing plate 21 are moved using a motor or the like as a driving source.

The positioning table 1 is provided with a large number of floating / suction holes 5 so as to be distributed over the entire upper surface thereof. The floating / suction hole 5 is connected to a blower pump and a suction pump, and the connection can be switched by an electromagnetic valve or the like. The positioning table 1 formed as described above is supported by an elevating cylinder 24 so as to be capable of ascending and descending.
Reference numeral 4 is mounted so as to be movable horizontally in the front-rear direction along a guide rail 25 using a motor, a cylinder device, or the like as a driving source.

Further, the stamping machine 6 is provided with a stamping introduction portion 10 which is open at the front and both side surfaces thereof, and a stamping head 11 is provided on the ceiling surface of the stamping introduction portion 10 so as to be vertically movable. At the same time, a stamp receiving base 26 is fixedly provided directly below the stamp head 11 on the bottom surface of the stamp introducing portion 10. The marking device according to the present invention is provided with the marking machine 6 and the positioning table 1 as described above. When stamping a lot number or the like on the thin plate material 3 such as a printed wiring board, first, the positioning table 1 is used. The thin plate material 3 is supplied to the upper surface surrounded by the front stopper plate 18, the side stopper plate 19, the rear pressing plate 20, and the side pressing plate 21. Next, the floating / suction hole 5 is connected to a blower pump to blow air upward from the floating / suction hole 5, and the thin plate 3 is blown up from the upper surface of the positioning table 1 as shown in FIG. The sheet material 3 is levitated. In the state where the thin plate 3 is thus floated, the rear pressing plate 20 of the positioning means 4 is moved in the direction of the front stopper 18, and the thin plate 3 is pushed to bring the front end of the thin plate 3 into contact with the front stopper 18. Then, the side holding plate 21 is moved in the direction of the side stopper plate 19, and the thin plate 3 is pushed to bring the side end of the thin plate 3 into contact with the side stopper 19. In this way, the sheet material 3 is lifted and moved.
So that the suction pad is used to suck the thin plate material 3
There is no possibility that the adsorption trace of the pad remains on the thin plate material 3.

In this way, as shown in FIG. 3, two adjacent sides of the thin plate 3 are connected to the front stopper 18 and the side stopper 19.
The thin plate 3 can be positioned at a predetermined position on the positioning table 1 so that the stamped position of the thin plate 3 is located in the marking recess 2 by contacting
Even if the product size of the thin plate 3 is different, the thin plate 3 can be positioned at a fixed position. When the thin plate 3 is moved on the positioning table 1 to position the thin plate 3 in this manner, the thin plate 3 is lifted from the upper surface of the positioning table 1, so that the friction between the thin plate 3 and the positioning table 1 is caused. There is no danger that the thin plate member 3 will be scratched by the fitting.

After positioning the sheet material 3 in this way,
The ejection of air from the floating / suction hole 5 is stopped, and the floating / suction hole 5 is connected to a suction pump to perform suction, so that the thin plate material 3 is sucked onto the upper surface of the positioning table 1 so as not to move. Fix it. Then, the positioning table 1 is raised by the elevating cylinder 24, and as shown in FIG.
Then, the positioning table 1 is moved in the direction of the marking machine 6 along the guide rail 25, and the front end of the positioning table 1 is moved to the marking machine 6 as shown in FIG. The marking recess 2 of the positioning table 1 is inserted into the stamp receiving base 26, and a portion of the thin plate 3 to be stamped is inserted between the stamp head 11 and the stamp receiving stand 26. Thus, positioning table 1
Is raised so that the height of the sheet material 3 is moved between the stamp head 11 and the stamp receiving base 26 in the direction of the stamping machine 6. The thin plate 3 can be smoothly introduced into the engraving machine 6 without hitting.

Next, the positioning table 1 is lowered by the elevating cylinder 24 as shown in FIG. 2D, and the portion of the thin plate 3 facing the indentation recess 2 is placed on the indentation receiving table 26.
Then, as shown in FIG. 2E, the marking head 11 is moved downward to perform marking on the upper surface of the thin plate material 3 placed on the marking receiving base 26. When marking is performed on the thin plate 3 in this manner, since the thin plate 3 is suction-fixed to the upper surface of the positioning table 1 by the floating / suction holes 5, the marking position may be shifted due to the positional shift of the thin plate 3. In addition to this, even if the thin plate material 3 has a warp or the like, it is possible to make the mark in a state where the warp is straight, and to make the mark at an accurate position. The suction of the thin plate material 3 by the floating / suction hole 5 may be performed at the stage shown in FIG.

Further, the marking position of the thin plate 3 is positioned in the marking recess 2 provided in the positioning table 1 so that almost the entire surface of the thin plate 3 is supported on the positioning table 1 except for the portion to be marked. Therefore, it is possible to increase the accuracy of the engraving without the risk of the thin plate material 3 being displaced. In addition, the engraving pressure by the engraving head 11 at the time of engraving is received by the engraving receiving stand 26, and also at this point The accuracy can be improved.

[0016]

As described above, according to the present invention, positioning means for pressing and positioning a thin plate material is provided on a positioning table.
When positioning the thin plate material, air is blown out to float the thin plate material, and when engraving the thin plate material, a floating / suction hole for reducing the pressure and sucking the thin plate material is provided on the upper surface of the positioning table. Positioning of the thin plate by the positioning means in a state where the thin plate is floated by blowing air from the floating / suction holes, so that the thin plate may be scratched or broken by rubbing against the top surface of the positioning table It can be used to position a thin sheet material, and when engraving on a thin sheet material,
By sucking the thin plate on the upper surface of the positioning table suction holes to vacuum and it is possible to perform engraving at a precise position without sheet material or misaligned co
In addition, even if the sheet material is warped,
The stamping can be performed by correcting the warpage .
In addition, an embossing recess is provided at one end of the positioning table so as to be opened up and down, and positioning is performed so that the embossing position of the thin plate material is located in the embossing recess. Almost the entire surface of the plate can be supported on the positioning table, and the accuracy of the marking can be increased without the risk of displacement.

[Brief description of the drawings]

FIG. 1 is a perspective view of one embodiment of the present invention.

FIGS. 2A to 2E are front views showing the engraving step of the above. FIGS.

FIG. 3 is a plan view of the positioning table according to the first embodiment;

FIG. 4 shows a conventional example, in which (a) is a front view,
(B) is a partial front view showing a problem, and (c) is a partial plan view showing another problem.

FIG. 5 is a perspective view showing another conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Positioning table 2 Recessed part for marking 3 Thin plate material 4 Positioning means 5 Floating / suction hole 6 Marking machine

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁶ , DB name) B25B 11/00 B41F 17/14 B41K 3/36 B41K 3/46

Claims (1)

(57) [Claims] 1. A stamping recess is provided at one end of a positioning table with a vertically opened opening, and an end of a sheet material placed on an upper surface of the positioning table is pushed so that a stamping position of the sheet material becomes a stamping recess. The positioning table is provided with positioning means for moving and positioning the sheet material, and when positioning the sheet material, air is blown out to float the sheet material, and when engraving on the sheet material, the pressure is reduced and the sheet material is sucked. A marking device for a thin sheet material, comprising: a marking machine provided with a floating / suction hole on an upper surface of a positioning table, and marking a thin sheet material positioned in a marking recess of the positioning table.