JPH062123U - Device for detecting D-cut surface of bearing part in magnet roll - Google Patents

Abstract

(57) [Summary] [Purpose] It is possible to accurately confirm that the D-cut surface is at a desired position without damaging the magnet roll for printing the serial number and the like. [Structure] A magnet roll 1 having a D-cut surface 6 on a bearing portion is aligned in a certain direction in order to print a manufacturing number and the like so that the magnet roll 1 passes closely in parallel to the D-cut surface 6 set at a desired position. The projector 10 and the light receiving sensor 11 in the transmissive photoelectric switch 9 are installed so as to face each other with the D cut surface 6 sandwiched therebetween, and the light is emitted from the projector 10 and the light receiving sensor 11 receives the light so that the D cut surface 6 at a desired position is obtained. Can be confirmed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 According to the present invention, for example, in order to print the serial number or the like on the D-cut surface provided on the bearing portion of the magnet roll, after aligning the magnet roll in a certain direction, it is confirmed that the D-cut surface is positioned in the set direction. The present invention relates to a device for detecting a D-cut surface of a bearing portion in a magnet roll for performing.

[0002]

[Prior art]

 Conventionally, for example, to print the serial number, after arranging the magnet rolls in a certain direction, the method of confirming that the D-cut surface provided on the bearing is facing upward is as follows. When the D-cut surface is facing downward or sideways, there is a method of checking by setting a micro switch at the position where the lever is operated. In other words, it is possible to confirm whether the D-cut surface is facing upward depending on whether it is caught by the lever of the microswitch.

[0003]

[Problems to be solved by the device]

 However, in the conventional method, when the D-cut surface is facing downward or sideways, the lever of the microswitch is actuated, so that the bearing is damaged and the lever of the microswitch is damaged. In order to actuate the lever, the D-cut surface does not operate unless it is tilted to the side to the extent that a small tilt cannot be detected.

In view of the above, according to the present invention, in order to print the serial number and the like, it is possible to accurately confirm that the D-cut surface is at a desired position without damaging the magnet roll and the bearing portion of the magnet roll. The purpose is to provide a D-cut surface detection device.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, a magnet roll having a D-cut surface on the bearing portion is aligned in a certain direction in order to print the serial number and the like, and the magnetic roll is closely passed in parallel to the D-cut surface set at a desired position. As described above, the transmitter and the light receiving sensor in the transmissive photoelectric switch are placed so as to face each other with the D cut surface sandwiched therebetween, and the light is emitted from the light emitter, and the light receiving sensor receives the light to confirm the D cut surface at the desired position. It is possible.

Also, in order to achieve the above-mentioned object, a magnet roll having a D-cut surface on a bearing portion for printing a serial number is aligned in a certain direction, and the D-cut surface is set at a desired position. It is possible to confirm the D-cut surface at a desired position by installing a reflective photoelectric switch at a position where light can be projected, emitting light on the D-cut surface from the reflective photoelectric switch, and detecting the amount of received light reflected. .

Further, it is preferable to set the light emitting position at the edge portion of the D-cut surface or to provide the D-cut surface on the bearing portion of the magnet roll in order to print the serial number or the like, due to the effects described later.

[0008]

[Action]

 As described above, according to the D-cut surface detecting device of the bearing portion of the magnet roll of the present invention, the magnet roll is set in a desired position to print the serial number and the like, and the magnet roll is approached in parallel to the D-cut surface of the bearing portion. The D-cut surface of the desired position is placed by placing the light emitter and the light-receiving sensor in the transmissive photoelectric switch facing each other across the D-cut surface so that the light-emitting sensor emits light and the light-receiving sensor receives light. It can be confirmed that if the D-cut surface is not set at the desired position and is slightly inclined, the light emitted from the projector is not received by the light receiving sensor.

Further, in order to print the serial number or the like, a magnet roller having a D-cut surface on the bearing is aligned in a certain direction, and a reflection type photoelectric sensor is placed at a position where light can be projected on the D-cut surface set at a desired position. If a switch is installed and the D-cut surface is emitted from the reflection type photoelectric switch and the amount of light reflected is detected, the D-cut surface at the desired position can be confirmed. For example, a reflection type photoelectric switch is installed, for example, above the D cut surface provided on the bearing portion of the magnet roller set at a desired position for printing, and the D cut is made from the reflection type photoelectric switch. The D-cut surface at the desired position can be confirmed by detecting the amount of received light that is emitted and reflected at the edge of the surface. If the D-cut surface is not set at the desired position, the D-cut surface may tilt slightly. When you are That is, the light projected from the reflection type photoelectric switch is not received by the reflection type photoelectric switch.

[0010]

【Example】

 The details of the present invention will be described with reference to further illustrated embodiments. First, a method of printing on the magnet roll 1 will be described. As shown in FIG. 1, the magnet roller 1 has a shaft body 4 having bearing portions 3 at both ends of the shaft body 2 and a magnet body 5 coated on the surface of the shaft 4, and the bearing portion 3 is provided to prevent rattling when further sandwiched. The D-cut surface 6 is provided at the end of the. Then, the magnet roll 1 having the D-cut surface 6 is aligned in a certain direction and set so that the D-cut surface 6 faces upward, and the D-cut surface 6 is set by the print head 8 of the printer 7. The serial number is printed.

Next, the D-cut surface detection device A (hereinafter, simply referred to as the D-cut surface) of the bearing portion of the magnet roll, which can confirm that the D-cut surface 6 of the magnet roll 1 which is the point of the present invention, faces upward. The detection device A) will be described.

First, the D-cut surface detection device A of the first invention will be described with reference to FIG. The D-cut surface detection device A is a transmissive photoelectric switch 9 which is set to face upward for printing as shown in FIG. 2 so as to pass close to the D-cut surface 6 of the bearing portion 3 in parallel. It is possible to confirm the D-cut surface 6 at a desired position by installing the light-emitter 10 and the light-receiving sensor 11 facing each other with the D-cut surface 6 interposed therebetween, causing the light-emitter 9 to emit light, and receiving light by the light-receiving sensor 11. is there. If the D-cut surface 6 of the bearing 3 is not set at the desired position and is slightly inclined, the light emitted from the projector 9 is blocked by the bearing 3 and is received by the light receiving sensor 11. It is not done.

Further, the D-cut surface detection device A of the second invention will be described with reference to FIG. The D-cut surface detection device A is provided with a reflection type photoelectric switch 12 at a position where light can be projected onto the D-cut surface 6 of the bearing portion 3 which is set to face upward as shown in FIG. The reflection type photoelectric switch 12 emits light to the edge portion 6a of the D-cut surface 6, and the amount of received light reflected is detected, so that the D-cut surface 6 at a desired position can be confirmed. If the D-cut surface 6 of the bearing portion 3 is not set at a desired position and is slightly inclined, the light emitted from the reflective photoelectric switch 12 is received by the reflective photoelectric switch 12. It is not done. In the D-cut surface detection device A of the illustrated example, the position where light is emitted from the reflection type photoelectric switch 12 is set at the edge portion 6a of the D-cut surface 6 of the bearing portion 3. The D-cut surface 6 and the reflective photoelectric switch 12 may face each other so that the light is projected to the center of the cut surface 6.

Finally, the D-cut surface detection device A of the third invention will be described with reference to FIG. As shown in FIG. 4, the D-cut surface detection device A has a U-shape in which the support piece 14a and the pressure piece 14b are arranged in parallel with each other at a distance for positioning the bearing portion 3 at the tip of the rod 15a of the air cylinder 15. A shape detecting member 14 is attached. Then, if the rod 15a of the air cylinder 15 is moved forward and the magnet roll 1 is rotated in the direction of the arrow in the drawing while applying pressure, the D-cut surface 6 is located between the support piece 14a and the pressure piece 14b of the detection member 14. Therefore, it can be confirmed that the D-cut surface 6 of the bearing portion 3 faces upward.

1 to 4 exemplify the case where the D-cut surface 6 of the bearing portion 3 is directed upward, but the present invention is not particularly limited, and the D-cut surface of the bearing portion 3 is not particularly limited. It is also possible to set 6 to face sideways or downwards. Further, in the one shown in FIGS. 1 to 4, the D-cut surface 6 is provided on the bearing portion 3 in order to print the manufacturing number, date, customer name, etc. by the print head 8 of the printer 7. However, it is also possible to provide a D-cut surface on the shaft body 2 of the magnet roll 1 to detect the same, or, without being particularly limited to the field of the magnet roll, a rod having a columnar shape or an elliptical cross section can be used. It can be applied to various fields in which a D-cut surface is provided to detect.

As described above, according to the D-cut surface detection device A of the first invention, the projector 10 and the light-receiving sensor 11 in the transmissive photoelectric switch 9 are installed so as to face each other with the D-cut surface 6 of the bearing portion 3 interposed therebetween. The D-cut surface 6 at the desired position can be confirmed by emitting light from the projector 9 and receiving the light by the light-receiving sensor 11. If the D-cut surface 6 of the bearing portion 3 is not set at the desired position, the D-cut surface 6 may be slightly different. When it is tilted, it can be confirmed that the light emitted from the projector 9 is not received by the light receiving sensor 11. Therefore, the D-cut surface 6 of the bearing 3 is set at a desired position without damaging the magnet roll 1. Since it can be confirmed even if the D-cut surface 6 is slightly inclined, it is possible to accurately confirm that the D-cut surface 6 is at a desired position. In particular, this method is most preferable because it can be performed in a short time and there are few malfunctions.

Further, according to the D-cut surface detection device A of the second invention, a position where light can be projected onto the D-cut surface 6 of the bearing portion 3 which is set to face upward as shown in FIG. The reflection type photoelectric switch 12 is installed in the device, the reflection type photoelectric switch 12 emits light to the edge portion 6a of the D cut surface 6, and the amount of received light reflected is detected, so that the D cut surface 6 at a desired position can be confirmed. If the D-cut surface 6 of the bearing 3 is not set at a desired position and is slightly inclined, the light emitted from the reflective photoelectric switch 12 is received by the reflective photoelectric switch 12. Since it can be confirmed by not doing so, the magnet roll 1 is not damaged. Moreover, since the position for projecting light is set at the edge portion 6a of the D-cut surface 6, the D-cut surface 6 of the bearing portion 3 is not set at the desired position, and even if it is slightly inclined You can check with.

[0018]

[Effect of device]

 Since the present invention is configured as described above, it has the following effects. According to the D-cut surface detecting device for the bearing portion of the magnet roll according to claim 1, the transmitter and the light-receiving sensor of the transmission type photoelectric switch are opposed to each other with the D-cut surface of the bearing portion of the magnet roll interposed therebetween for printing. It is possible to confirm the D-cut surface at the desired position by setting it in place, emitting light from the projector, and receiving light from the light-receiving sensor.If the D-cut surface is not set at the desired position, it is slightly tilted. In this case, the light emitted from the projector cannot be detected by the light receiving sensor, so it does not damage the magnet roll, and the D-cut surface is not set at the desired position. Since it can be confirmed even when it is present, it is possible to accurately confirm that the D-cut surface is at the desired position.

According to the D-cut surface detection device of the bearing portion of the magnet roll of the second aspect, it is possible to project light onto the D-cut surface of the bearing portion of the magnet roll set at a desired position for printing. A reflective photoelectric switch is installed at a position, the reflective photoelectric switch emits light on the D-cut surface, and the amount of reflected light is detected to confirm the D-cut surface at the desired position. If the D-cut surface is desired, When the position is not set to and the light is emitted from the reflective photoelectric switch, it can be confirmed that the light is not received by the reflective photoelectric switch. There is no turning on.

According to the D-cut surface detection device for the bearing portion of the magnet roll of the third aspect, since the light projecting position is set at the edge portion of the D-cut surface, the D-cut surface is at the desired position. Even if it is not set and it is slightly inclined, you can check it accurately.

[Brief description of drawings]

FIG. 1 is an explanatory perspective view showing a method of printing on a magnet roll.

FIG. 2 is a principle view showing a D-cut surface detecting device of a bearing portion in the magnet roll of the first invention.

FIG. 3 is a principle view showing a D-cut surface detecting device of a bearing portion in a magnet roll of a second invention.

FIG. 4 is a principle diagram showing a D-cut surface detection device of a bearing portion in a magnet roll of a third invention.

[Explanation of symbols]

A Magnet roll D-cut surface detector 1 for magnet roll 1 Magnet roll 2 Shaft body 3 Bearing 4 Shaft 5 Magnet 6 D-cut surface 7 Printing device 8 Printing head 9 Transmissive photoelectric switch 10 Emitter 11 Light receiving sensor 12 Reflective photoelectric photoelectric Switch 13 Detection means 14 Detection member 15 Air cylinder

Claims (3)

[Scope of utility model registration request] 1. A magnet roll having a D-cut surface on a bearing portion is aligned in a certain direction in order to print a manufacturing number and the like, and is transmitted so as to pass closely in parallel to the D-cut surface set at a desired position. Bearings in a magnet roll in which a projector and a light-receiving sensor in a photoelectric switch are installed so as to face each other with the D-cut surface sandwiched therebetween, light is emitted from the projector, and the light-receiving sensor receives light to confirm the D-cut surface at a desired position. D-cut surface detection device. 2. A reflection type photoelectric switch in which a magnet roll having a D-cut surface on a bearing portion is aligned in a certain direction for printing a serial number and the light can be projected onto the D-cut surface set at a desired position. A D-cut surface detection device for a bearing portion in a magnet roll, in which the D-cut surface at a desired position can be confirmed by detecting the amount of light received by emitting light on the D-cut surface from a reflective photoelectric switch. 3. A D-cut surface detecting device for a bearing portion of a magnet roll according to claim 2, wherein the position for projecting light is set at an edge portion of the D-cut surface.