JPH04317539A - Driver - Google Patents

Abstract

PURPOSE:To realize downsizing by arranging a through inner diameter type motor coaxially on a shaft and rocking a cam follower through another motor thereby making possible to move and rotate the through inner diameter type motor at an arbitrary position on the shaft. CONSTITUTION:An axial motor 4 is mounted through a bearing 3 on a holding member 2 mounted on a fixed body 1. A cam follower 8 is mounted on the shaft 6 of a motor 4 through a coupling 7 and a through inner diameter type motor 17 is mounted on a shaft 9 crossing perpendicularly to the first axial direction A of the motor 4. When a cam body 13 is moved in the second axial direction B through the motor 4 and the cam follower 8, the through inner diameter type motor 17 and a rotary member 12 move simultaneously in the second axial direction B. When the through inner diameter type motor 17 is operated under a state where it is moved to an arbitrary stroke position, the rotary member 12 rotates through a rotor 18 and functions as an actuator. Consequently, no external motor is required as compared with conventional driver resulting in downsizing of driver.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention relates to a drive device, and in particular, it uses an inner diameter penetrating motor to move the inner diameter penetrating motor to any position on a shaft body and rotate it, thereby reducing the size of the drive device. Concerning new improvements for.

0002

2. Description of the Related Art There are various types of drive devices of this type that have been used in the past, and a typical one is shown in FIG. 2. In FIG. 2, the reference numeral 1 indicates a fixed body, and a holding member 2 provided on the fixed body 1 is provided with a shaft-shaped motor 4 via a bearing 3.

A cam follower 8 is provided on the shaft 6 of the motor 4 via a connecting body 7, and a cam follower 8 is provided on the fixed body 1, and a cam follower 8 is provided on the shaft 6 of the motor 4, which is disposed orthogonally to the first axial direction A of the motor 4. 9
A spline portion 10 is provided approximately at the center of the shaft body 9, and a rotary member 12 is rotatably provided at the end portion 9a of the spline portion 9 via a bearing 11.

[0004] The spline portion 10 is provided with a cam body 13 that engages with the cam follower 8, and the outer periphery of a narrow diameter portion 13a integrally formed with the cam body 13 includes:
A rotary cylinder body 14 is rotatably provided, and this rotary cylinder body 14
The rotating member 12 is fixed to the end portion 14a of the rotary member 12.

[0005] An engaging body 15 is provided on an outer peripheral spline 14b formed on the outer periphery of the rotary cylinder body 14 so as to be movable in the axial direction, and this engaging body 15 is connected to a motor 17 via a belt 16. . Therefore, when the cam body 13 is moved in the second axial direction B via the motor 4 and the cam follower 8, the rotating member 12 is also moved together with the rotating cylinder body 14. When the other motor 17 is rotated in this state, the rotating member 12 can be rotated at any stroke position in the second axial direction B via the engaging body 15 and the rotating cylinder body 14.

[0006]

[Problems to be Solved by the Invention] Since the conventional drive device was constructed as described above, the following problems existed. That is, since the motor 17 for rotating the rotary member 12 is provided apart from the shaft body 9, the overall configuration becomes large and it is extremely difficult to meet the need for miniaturization.

The present invention has been made to solve the above-mentioned problems, and in particular, by using an inner diameter penetrating motor, the inner diameter penetrating motor can be moved to an arbitrary position on a shaft body and rotated. The purpose is to provide a drive device that is as compact as possible.

[0008]

[Means for Solving the Problems] A drive device according to the present invention includes a motor provided on a fixed body, a cam follower provided on the shaft of the motor via a coupling body, and a cam follower provided on the fixed body and connected to the motor. a shaft body disposed perpendicular to the first axis direction; an inner diameter penetrating motor disposed coaxially with the shaft body so as to be movable in the axial direction; a spline portion formed on the shaft body; and a spline portion fixed to the inner diameter penetrating motor. The cam body is configured to include a cam body that is engaged with the spline portion and engaged with the cam follower, and a rotating member that is coupled to the inner diameter penetrating motor.

[0009]

[Operation] In the drive device according to the present invention, since the inner diameter penetrating motor is coaxially disposed on the shaft body, the cam follower is swung by the motor, and the inner diameter penetrating motor is moved to any stroke position on the shaft body. If the inner diameter penetrating motor is rotated after moving the rotary member to that position, the rotary member can be rotated at that position.

0010

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the drive device according to the present invention will be described in detail below with reference to the drawings. Note that the same or equivalent parts as in the conventional example will be described with the same reference numerals. FIG. 1 is a sectional view showing a drive device according to the invention.

In FIG. 1, reference numeral 1 indicates a fixed body, and a holding member 2 provided on the fixed body 1 is provided with a shaft-shaped motor 4 via a bearing 3. As shown in FIG.

A cam follower 8 is provided on the shaft 6 of the motor 4 via a connecting body 7, and a cam follower 8 is provided on the fixed body 1, and a cam follower 8 is provided on the shaft 6 of the motor 4, which is disposed orthogonally to the first axial direction A of the motor 4. 9
A spline portion 10 is provided approximately at the center of the shaft body 9, and a rotary member 12 is rotatably provided at the end portion 9a of the spline portion 9 via a bearing 11.

The spline portion 10 is provided with a cam body 13 that engages with the cam follower 8. The cam body 13 has a cam body 13 that is coaxial with the shaft body 9 and penetrates through the axis of the outer rotor type, for example. Inner diameter penetrating motor 17 with holes
is provided.

The inner diameter penetrating motor 17 is connected to the cam body 1.
3, and this inner diameter penetrating motor 17
The rotor 18 as an outer rotor of the rotating member 12
It is connected to the.

Therefore, in the above-described configuration, when the cam body 13 is moved in the second axial direction B via the motor 4 and the cam follower 8, the inner diameter penetrating motor 17 and the rotating member 12
simultaneously moves in the second axial direction B, and in that case, when the inner diameter penetrating motor 17 moves leftward in FIG.

With the inner diameter penetrating motor 17 moved to the above-described arbitrary stroke position, the inner diameter penetrating motor 1
7, the rotating member 12 rotates via the rotor 18, and can function as an actuator.

[0017]

Since the drive device according to the present invention is constructed as described above, the following effects can be obtained. In other words, since the inner diameter penetrating motor is coaxially arranged on the shaft body, there is no need to use an external motor as in the past, and the overall structure of the device can be significantly downsized and reliability can be improved. Can be done.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing a drive device according to the invention.

FIG. 2 is a sectional view showing a conventional drive device.

[Explanation of symbols]

1 Fixed body 4 Motor 6 axis 8 Cam follower 9 Shaft body 10 Spline part 12 Rotating member 13 Cam body 17 Inner diameter through-type motor

Claims (1)

[Claims] [Claim 1] A motor (4) provided on a fixed body (1).
), a cam follower (8) provided on the shaft (6) of the motor (4) via a connecting body (7), and the fixed body (1).
) and a shaft body (9) disposed perpendicularly to the first axis direction (A) of the motor (4), and an inner diameter penetrating motor ( 17), a spline portion (10) formed on the shaft body (9), and a spline portion (10) that is fixed to the inner diameter penetrating motor (17) and engages with the spline portion (10) and engages with the cam follower (8). a cam body (13) that fits together, and a rotating member (12) coupled to the inner diameter penetrating motor (17);
A drive device characterized in that the inner diameter penetrating motor (17) can be moved to any stroke position on the shaft body (9) by swinging a cam follower (8).