JPH08131983A - Magnetic element cleaning apparatus - Google Patents

Abstract

PURPOSE: To automatically clean the dirt adhering to the outer peripheral surface and end surface of a magnetic element. CONSTITUTION: A turntable 2 having a freely rotatable chuck 7 vertically grasping a columnar magnetic element 1 and rotating counterclockwise at a 90 deg.-angle pitch and an outer peripheral surface cleaning mechanism 10 equipped with the self-adhesive tape 3 coming into contact with the outer peripheral surface of the magnetic element 1 to clean the same while rotating the magnetic element 1 are provided. Further, an end surface cleaning mechanism 30 equipped with two self-adhesive tapes 5A, 5B cleaning the respective end surfaces of the magnetic element 1 is provided in the 90 deg. counterclockwise direction of the outer peripheral surface cleaning mechanism 10 and a control mechanism (not shown in a drawing) controlling the turntable 2, the outer peripheral surface cleaning mechanism 10 and the end surface cleaning mechanism 30 is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the removal of deposits adhering to a cylindrical magnetic body such as a rotor for motors, and in particular, magnetic substance cleaning suitable for automatically removing the deposits with an adhesive tape. Regarding the device.

[0002]

2. Description of the Related Art In a conventional means for removing dust adhering to a columnar magnetic body such as a magnetized rotor of a stepping motor, as shown in FIG. It was rolled on the adhesive surface of the adhesive tape 3, and the adhered matter (dust) 8 adhering to the outer peripheral surface B was adhered to the adhesive surface to be removed, but the dust on each end surface C could not be cleaned, and the automatic The device for cleaning the dust was not realized.

[0003]

In the conventional means for cleaning dust adhering to the cylindrical magnetic body, the dust only on the outer peripheral surface is manually removed, but the dust on each end face can be removed. There is also a problem that the cleaning device is not realized.

It is an object of the present invention to provide a magnetic material cleaning device capable of automatically cleaning dust on the outer peripheral surface and the end surface attached to a cylindrical magnetic material.

[0005]

In order to achieve the above-mentioned object, a magnetic body cleaning device according to the present invention comprises a rotary table which holds a cylindrical magnetic body and rotates at a predetermined angle pitch, and an outer peripheral surface of the magnetic body. An outer peripheral surface cleaning mechanism provided with an adhesive tape that is pressed against the surface to rotate the magnetic material and cleans the outer peripheral surface, and two adhesive tapes that are provided in the rotating direction of the rotary table to clean each end surface of the magnetic material. End face cleaning mechanism,
The configuration includes an end surface cleaning mechanism, an outer peripheral surface cleaning mechanism, and a control mechanism that controls the rotary table.

The outer peripheral surface cleaning mechanism is formed by a pressing force adjusting mechanism for pressing the adhesive tape against the outer peripheral surface of the magnetic body and an adhesive tape winding mechanism, and the end surface cleaning mechanism uses the two adhesive tapes as the magnetic body. It is also possible to adopt a configuration in which two end face pressing force adjusting mechanisms that are pressed against the respective end faces and the two winding mechanisms for the respective adhesive tapes are formed.

Further, the control mechanism holds the magnetic material and rotates the rotary table by a predetermined angle, drives the adhesive tape by the outer peripheral surface cleaning mechanism for a predetermined time, rotates the rotary table by a predetermined angle after a predetermined time, and causes the end surface cleaning mechanism to rotate. The magnetic body may be rotated for a predetermined time, and after a predetermined time, the respective adhesive tapes are pitch-fed to expose the new adhesive surface and the rotary table is rotated to the original position.

[0008]

According to the present invention, since the rotary table, the outer peripheral surface cleaning mechanism and the end surface cleaning mechanism, and the control mechanism are provided, the magnetic body is sandwiched by the chuck of the rotary table, and then the rotary table is 90 ° together with the magnetic body. The adhesive tape is rotated and driven to be wound by the winding mechanism. Then, the adhesive tape is pressed against the outer peripheral surface of the magnetic body to adhere dust on the outer peripheral surface to the adhesive surface while rotating the magnetic body, so that the outer peripheral surface is cleaned. Then, the rotary table is further rotated 90 °, and the two adhesive tapes are pressed against the upper and lower end surfaces of the magnetic body. The dust on the upper and lower end surfaces is cleaned by the adhesive tape on which the magnetic body is rotated and stopped. After cleaning, the adhesive tape is automatically pitch-fed to expose the new adhesive surface.
The cleaned magnetic material returns to the original position by the second 90 ° rotation, and is taken out by opening the chuck.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. As shown in FIGS. 1 and 2, a rotary table that rotates in a counterclockwise direction at a 90 ° angle pitch by sandwiching a cylindrical magnetic body (work) 1 such as a rotor with the axial direction of the rotor 1 held vertically by a rotatable chuck 7. 2, an outer peripheral surface cleaning mechanism 10 including an adhesive tape 3 that is pressed against the outer peripheral surface of the magnetic body 1 to clean the magnetic body 1 while rotating the magnetic body 1, and an outer peripheral surface cleaning mechanism 10.
End face cleaning mechanism 30 provided with two adhesive tapes 5A and 5B for cleaning the respective end faces of the magnetic body 1 provided in the 90 ° counterclockwise direction, the rotary table 2 and the outer peripheral face cleaning mechanism 10.
And a control mechanism (not shown) for controlling the end face cleaning mechanism 30.

As shown in FIGS. 3 and 4, the outer peripheral surface cleaning mechanism 10 includes a pressing force adjusting mechanism 11 for pressing the adhesive tape 3 against the outer peripheral surface of the magnetic body 1, and a winding mechanism 21 for the adhesive tape 3. The end surface cleaning mechanism 30 includes two end surface pressing force adjusting mechanisms 41A and 41B that press the two adhesive tapes 5A and 5B against the respective end surfaces of the magnetic body 1 and two adhesive tapes 5A and 5B. Winding mechanism 31
It is formed by A and 31B.

The pressing force adjusting mechanism 11 makes contact with the adhesive tape 3 having a widthwise direction at two points separated from each other, and stretches the adhesive tape 3 in a substantially linear shape to press it against the outer peripheral surface of the magnetic body 1. 12A, 12B and touch rollers 12A, 1
2B is formed by a spring 14 that comes into contact with a support portion 13 that supports the shaft 2B, and a handle 15 that adjusts the spring force of the spring 14, and the winding mechanism 21 uses the adhesive tape 3 whose adhesive surface faces the magnetic body 1 side. It is connected to the take-up reel 23 that is unwound and driven by the drive shaft 22, and the other end of the adhesive tape 3 that cleans while rotating the magnetic body 1 via the touch rollers 12A and 12B, and is attached to the driven shaft 24. Tape mounting reel 25,

The end face pressing force adjusting mechanism 41A has two touches which contact the adhesive tape 5A which is laid in the width direction at two points separated from each other, and stretch the adhesive tape 5A in a substantially straight line shape and press it against the upper end face of the magnetic body 1. The rollers 42A and 42B, a screw 44 that vertically moves the support portion 43 that pivotally supports the touch rollers 42A and 42B, and an adjustment knob 45 that rotates the screw 44, and the end surface pressing force adjustment mechanism 41B includes the adhesive tape 5.
Two touch rollers 46A and 46B that contact the adhesive tape 5B facing the A at two points separated from each other and stretch the adhesive tape 5B in a substantially linear shape and press it against the lower end surface of the magnetic body 1, and the touch rollers 46A and 46B. It is formed by a screw 48 that vertically moves the supporting portion 47 that supports the shaft, and an adjustment knob 49 that turns the screw 48.

The winding mechanism 31A comprises an outer peripheral surface cleaning mechanism 10
Of the adhesive tape 5A, which is provided in the counterclockwise direction and has one end thereof unwound and which is pitch-fed by the drive shaft 52, and the touch rollers 42A, 42.
Adhesive tape 5 for cleaning the magnetic body 1 rotating via B
A tape mounting reel 55 which is connected to the other end of A and is attached to the driven shaft 54. The winding mechanism 31B is an adhesive tape 5B that is provided so as to face the winding mechanism 31A and has an adhesive surface facing the upper surface. The take-up reel 58 that unwinds and feeds the pitch by the drive shaft 57, and the touch rollers 46A, 4
The tape mounting reel 60 is connected to the other end of the adhesive tape 5B for cleaning the rotating magnetic body 1 via 6B and is attached to the driven shaft 59. During cleaning, the magnetic material 1
Is rotated to stop the adhesive tapes 5A and 5B, and after cleaning is completed, the adhesive tapes 5A and 5B are automatically pitch-fed by the winding mechanisms 31A and 31B until new adhesive surfaces of the adhesive tapes 5A and 5B appear. In addition, the gap between the adhesive tapes 5A and 5B is gradually narrowed in the counterclockwise direction so that the upper and lower end surfaces of the magnetic body 1 that moves in the counterclockwise direction can easily contact between the upper and lower adhesive tapes. is there. The adhesive tape is 18 mm wide, such as commercially available masking tape.
18 m roll or 50 m roll is used, and the dust adhered to the adhesive tape is, for example, a broken magnet of about 1 mm.

The drive sources include a motor (not shown) that drives the rotation of the rotary table 2 and the rotation of the magnetic body 1 in the end surface cleaning mechanism 30, a motor (not shown) that drives the winding mechanism 21, and the winding mechanisms 31A and 31B. A control mechanism (not shown), which comprises a motor (not shown) for driving and an air cylinder for opening the chuck provided on the rotary table 2
Holds the magnetic body 1 on the rotary table 2 and rotates the rotary table 2 by a predetermined angle, and the outer peripheral surface cleaning mechanism 10 drives the adhesive tape 3 for a predetermined time at the position of the predetermined angle. The magnetic body 1 is rotated by a predetermined angle and the end surface cleaning mechanism 30 is rotated for a predetermined time. After a predetermined time, the adhesive tapes 5A and 5B are pitch-fed to expose the new adhesive surface and the rotary table 2 is rotated to the base position. As described above, each drive source is controlled by the timer along the flow of the operation in the automatic mode. However, the configuration is not limited to this, and another configuration may be used as long as it has a similar function.

Next, the operation of this embodiment will be described with reference to the flow of operation in the automatic mode shown in FIG. First, the air pressure of the air cylinder is set to 3.5 to 5 kgf / cm ² , and the handle 15 of the pressing force adjusting mechanism 11 is turned to adjust the magnetic body 1 so that an unreasonable pressing force is not applied. The adjustment knobs 45 and 49 of the adjustment mechanisms 41A and 41B are turned to make adjustments so that an unreasonable pressing force is not applied to the magnetic body 1. An operator inserts the magnetic body 1 into the rotatable chuck 7 which is open on the side A (1 station) shown in FIG. Then, the power source is turned on, the chuck 7 is closed and the magnetic body 1 is sandwiched, and the rotary table 2 is rotated 90 ° counterclockwise together with the magnetic body 1 in about 1 second, and is wound by the winding mechanism 21 there. The driven adhesive tape 3 is pressed against the outer peripheral surface of the magnetic body 1 and while rotating the magnetic body 1, the dust on the outer peripheral surface is adhered to the adhesive surface and cleaned in about 3 seconds (2 stations). For example, when the diameter of the magnetic body 1 is φ21 mm, the feeding amount of the adhesive tape 3 is about 80 mm. Then, the rotary table 2 is further rotated 90 ° counterclockwise, that is, the magnetic body 1 is moved to a position facing the A side, and the adhesive tapes 5A and 5B are pressed against the upper and lower end surfaces of the magnetic body 1. Here, the magnetic tape 1 is rotated for about 3 seconds and stopped, and the adhesive tapes 5A and 5B
Clean the upper and lower end surfaces of dust (3 stations).
After cleaning is completed, the adhesive tapes 5A and 5B are automatically 5-10
Pitch feed in mm to expose the new adhesive surface. The magnetic body 1 thus cleaned returns to the side A through 4 stations (empty station) by rotating 90 ° counterclockwise twice, and the chuck 7 is opened by the operation of the air cylinder to take out the magnetic body 1. You can One turn of the rotary table is about 16 seconds, and the above steps are repeated by exchanging magnetic materials.

According to the present invention, since the outer peripheral surface and the upper and lower end surfaces of the magnetic material can be automatically cleaned, the cleaning power and work efficiency are improved, and the magnetic material can be replaced with a chuck by a robot. This allows full automation.

[0017]

According to the present invention, since the magnetic body is inserted into the rotary table and the magnetic body is cleaned by the outer peripheral surface cleaning mechanism and the end surface cleaning mechanism, the outer peripheral surface and the upper and lower end surfaces of the magnetic body are automatically cleaned. Not only can it be cleaned, but also the cleaning power and work efficiency can be improved.

[Brief description of drawings]

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

FIG. 2 is a plan view of FIG.

FIG. 3 is an enlarged plan view of a main part of FIG.

FIG. 4 is an enlarged plan view of a main part of FIG.

FIG. 5 is a diagram showing a flow of operations in an automatic mode.

FIG. 6 is a diagram showing a conventional technique.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Magnetic body 2 Rotary table 3 Adhesive tape 5A Adhesive tape 5B Adhesive tape 10 Outer peripheral surface cleaning mechanism 11 Pressing force adjusting mechanism 21 Winding mechanism 30 End surface cleaning mechanism 31A Winding mechanism 31B Winding mechanism

Claims (3)

[Claims] 1. A rotary table which holds a cylindrical magnetic body and rotates at a predetermined angle pitch, and an adhesive tape which is pressed against the outer peripheral surface of the magnetic body to rotate the magnetic body and clean the outer peripheral surface. An outer peripheral surface cleaning mechanism, and an end surface cleaning mechanism provided with two adhesive tapes provided in the rotation direction of the rotary table for cleaning each end surface of the magnetic body, the end surface cleaning mechanism, the outer peripheral surface cleaning mechanism, and the end surface cleaning mechanism. A magnetic material cleaning device comprising a control mechanism for controlling a rotary table. 2. The outer peripheral surface cleaning mechanism is formed by a pressing force adjusting mechanism for pressing the adhesive tape against the outer peripheral surface of the magnetic body and a winding mechanism for the adhesive tape, and the end surface cleaning mechanism comprises two adhesive tapes. The magnetic material cleaning device according to claim 1, wherein the magnetic material cleaning device is formed by two end face pressing force adjusting mechanisms that press against the respective end faces of the magnetic body, and two winding mechanisms for the respective adhesive tapes. 3. The control mechanism holds the magnetic material and rotates the rotary table by a predetermined angle, drives the adhesive tape by an outer peripheral surface cleaning mechanism for a predetermined time, and after the predetermined time, rotates the rotary table by the predetermined angle, The magnetic body is rotated by the end surface cleaning mechanism for the predetermined time, and after the predetermined time, the respective adhesive tapes are pitch-fed to expose the new adhesive surface and the rotary table is rotated to the original position. The magnetic material cleaning device according to claim 1 or 2.