JPH04320915A - Inspecting device for card - Google Patents

Abstract

PURPOSE:To inspect quickly and precisely the external dimensions of a card such as a prepaid card and a state of curling thereof. CONSTITUTION:A positioning stage 11 which positions two orthogonal side edges 25a and 25b of a card 25 and also can suck up the card is provided. External shape measuring devices 17 and 20 which scan two other side edges 25c and 25d of the card 25 and measure the external dimensions of the card 25 when the card 25 is sucked up are provided, and a curl measuring device 21 which scans the surface of the card 25 in a prescribed direction and measures a state of curling when the card 25 is not sucked up is provided. In the state wherein the card 25 is put on the positioning stage 11 and positioned, the external dimensions of the card and the state of curling thereof can be inspected quickly and precisely.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a card inspection device for inspecting cards such as prepaid cards.

0002

2. Description of the Related Art Conventionally, prepaid cards have been manufactured by printing on a synthetic resin material and then punching each card out of the printed material using a punching machine.

The punching machine has a punching device consisting of a male die and a female die, and the cards punched by the punching device are stored below the punching device.

By the way, since the printed original fabric is stored in a rolled state before being sent to the punching machine, the manufactured cards may be slightly curled. For this reason, it is necessary to measure the curl state of the manufactured cards. At the same time, it is also necessary to measure the external dimensions and other shapes.

[0005]

[Problems to be Solved by the Invention] As mentioned above, it is necessary to measure the curl state and shape of manufactured cards, but no inspection device has been developed that can easily and reliably measure the curl state, etc. Ta.

The present invention has been made with these points in mind, and it is an object of the present invention to provide a card inspection device that can easily and reliably measure the curl state, shape, etc. of a card.

[0007]

[Means for Solving the Problems] The present invention provides a positioning table that positions two orthogonal side edges of a card and is capable of sucking the card; The card includes an external shape measuring device that scans the edge to measure the external dimensions of the card, and a curl measuring device that scans the surface of the card in a certain direction to measure the curl state of the card when the card is not attracted. Card inspection equipment.

[0008]

[Operation] Place the card on the positioning table and position the two orthogonal side lines of the card, then scan the outer shape measuring device along the other two orthogonal side edges with the card adsorbed on the positioning table. The external dimensions of the card are measured, the adsorption state of the card is released, and the curl measuring device is scanned in a certain direction on the surface of the card to measure the curl state of the card.

[0009]

Embodiments Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 to 4 are diagrams showing an embodiment of a card inspection device according to the present invention. In FIG. 1, a card inspection device 10 includes a positioning table 11 for positioning two orthogonal side edges of a card 25 (FIG. 2). As shown in FIG. 2, the positioning base 11
a, and a positioning plate 26 that abuts the side edge 25b perpendicular to the side edge 25a.The positioning plate 26 and the positioning pin 27 allow the two side edges 25a and 25b of the card to be aligned. It is designed to perform positioning.

[0010] Also, on the surface of the positioning table 11, there are suction holes 3.
0 is formed, and this suction hole 30 is connected to an external ejector (shown) via a communication hole 31 inside the positioning table 11. Nine suction holes 30 are formed on the surface of the positioning table 11 so that the card 25 can be brought into close contact with the surface of the positioning table 11. Further, on the side of the positioning table 11, a positioning mechanism is arranged to press two orthogonal side edges 25c and 25d of the card 25 other than the two side edges 25a and 25b described above. That is, as shown in FIG. 2, a pressure cylinder 12 having a sponge 28 at its tip is disposed on the side edge 25c of the card 25, and a pressure cylinder 12 having a sponge 29 at its tip is disposed on the side edge 25d of the card 25. 13 are arranged. Note that the above-mentioned positioning plate 2
6, positioning pin 27, and pressing cylinders 12, 13
The positioning mechanism is configured by: Further, as shown in FIG. 1, an external shape measuring device 17 for measuring the external dimensions of the card 25 is disposed on the side of the positioning table 11, and this external measuring device 17 is arranged parallel to the pressing cylinder 12. It can move along the drive guide mechanism 18. This outer shape measuring device 17 measures the outer shape position of one side edge 25d of the card 25 protruding from the positioning base 11. Further, as shown in FIG. 1, a drive guide mechanism 22 is disposed orthogonal to the drive guide mechanism 18. This drive guide mechanism 22 is provided with an outer shape measuring device 20 that measures the outer shape position of the other side edge 25c protruding from the positioning table 11, and a curl measuring device 21 that measures the surface position of the card 25. These external shape measuring devices 20
The curl measuring device 21 and the curl measuring device 21 are configured to move together along the drive guide mechanism 22.

Next, the external shape measuring devices 17 and 20 and the curl measuring device 21 will be explained in detail.

The external shape measuring devices 17 and 20 are composed of measuring videos having the same structure (see FIG. 3). this house,
For example, the external shape measuring device 17 shines light perpendicularly to one side edge 25d of the card 25 protruding from the positioning table 11, and travels along the side edge 25d.
This is to measure the external position of 5d. Further, the outer shape measuring device 34 similarly measures the outer shape position of the side edge 25c of the card 25. In addition, the external shape measuring devices 17, 34
The measurement signal from the card 25 is input to the inspection control device 37, and the outer dimensions of the two side edges 25c and 25d of the card 25 are determined by the inspection control device 37.

The curl measuring device 21 is composed of a laser displacement sensor, and is movably attached to the drive guide mechanism 22. Three curl measuring devices 21 are provided in line in the direction of the drive guide mechanism 18, and they travel along the short side direction of the card 25 (vertical direction in FIG. 2) to measure the surface position of the card 25. . Further, the measurement signal from the curl measuring device 21 is input to the inspection control device 37, and the curl state of the card 25 is determined by the inspection control device 37 from the surface position of the card 25. Further, as shown in FIG. 1, a temporary placement table 16 is provided on the left side of the positioning table 11. The card 25 is transferred from the outside to the temporary storage stand 16 by the card transfer device 15, and further transferred from the temporary storage stand 16 to the positioning stand 11. Furthermore, Figure 3
As shown in FIG. 3, a camera 35 that detects a barcode (not shown) printed on the card 25 is disposed above the positioning table 11, and a detection signal from this camera 35 is sent to the inspection control position 37. It is now entered into

Next, the operation of this embodiment having such a configuration will be explained.

The card 25 manufactured by punching out the printed material using a punching machine (not shown) is transferred to the card transfer device 15.
It is transferred to the temporary storage stand 16 by. Thereafter, the card is further transferred to and placed on the positioning table 11 by the card transfer device 15. The card 25 manufactured by the punching machine is slightly curled along the short side direction.

Card 25 placed on positioning table 11
In contrast, the pressure cylinders 12 and 13 each press the sponge 28
, 29 (FIG. 2). This pressure cylinder 1
2 and 13, the side edge 25a of the card 25 comes into contact with the positioning pin 27, and the side edge 25a of the card 25 also comes into contact with the positioning pin 27.
b comes into contact with the positioning plate 26, and in this way the card 2
5 positioning is performed. After positioning, the sponges 28 and 29 are separated from the card 25.

Next, the ejector is activated, the connecting hole 31 is brought into a vacuum state, the card 25 is attracted, and the positioning table 11 is
(See Figure 3). In this state, the outer shape measuring device 17 is driven by the drive guide mechanism 18, travels along the side edge 25d of the card 25, and measures the outer shape position of the side edge 25d. Next, the outer shape measuring device 34 is driven by the drive guide mechanism 22, travels along the side edge 25c of the card 25, and measures the outer shape position of the side edge 25c.

Measurement signals from the external shape measuring devices 17 and 34 are input to an inspection control device 37, and the external dimensions of the card 25 are determined by this inspection control device. In this case, since the card 25 is in close contact with the surface of the positioning table 11, the external dimensions of the card 25 can be measured with high accuracy. At the same time, the camera 35 detects defects such as chipping of the barcode printed on the card 25, and a detection signal from the camera 35 is input to the inspection control device 37.

Next, the operation of the ejector stops, and the suction hole 3
In this case, the card 25 is released on the positioning table 11 and becomes curled (Fig. 4).
).

Next, the curl measuring device 21 is driven by the drive guide mechanism 22 and runs along the short side of the card 25. During this time, the surface position of the card 25 is measured by the curl measuring device 21, and this measurement signal is input to the inspection control device 37 to determine the curl state of the card. In this case, since three curl measurement devices 21 were scanned,
Based on the measurement signals from each curl measuring device 21, not only the curl state but also the distortion state of the card 25 can be determined.

[0021] In this way, defects in external dimensions, barcodes,
and the card 25 whose curl state was inspected.
is transferred to the card ejection section 24 by the card transfer device 15.

According to this embodiment, the external dimensions of the card 25, defects in the bar code, and card condition can be accurately inspected while the card is placed on the positioning table.

In the above embodiment, an example was shown in which the three curl measuring devices 21 were scanned in the short side direction of the card 25, but the present invention is not limited to this. It's okay.

[0024]

[Effects of the Invention] As explained above, according to the present invention,
With the card placed on the positioning table, the external dimensions of the card, defects in the barcode, and curl state can be accurately inspected.

[Brief explanation of drawings]

FIG. 1 is a schematic plan view showing an embodiment of a card inspection device according to the present invention.

FIG. 2 is a plan view showing a positioning table and a pressing cylinder.

FIG. 3 is a side view showing an external shape measuring device and a camera.

FIG. 4 is a side view showing the curl measuring device.

[Explanation of symbols]

10 Card inspection device 11 Positioning stand 12, 13 Press cylinder 17, 20 External shape measuring device 21 Curl measuring device 25 Card 26 Positioning plate 27 Positioning pin

Claims (2)

[Claims] 1. A positioning table that positions two perpendicular side edges of a card and is capable of suctioning the card; A card inspection device comprising: an external shape measuring device that measures external dimensions; and a curl measuring device that scans the surface of the card in a fixed direction when the card is not adsorbed to measure the curl state of the card. 2. The card inspection device according to claim 1, further comprising a camera that detects a barcode printed on the surface of the card from above when the card is attracted.