JP2529242Y2 - Moving device for positioning optical components - Google Patents

Description

[Detailed description of the invention] (Industrial application field) In the invention, an optical component alignment movement using three moving devices for rotating a male screw member with a motor and moving a movable table with respect to a base. Related to the device.

(Prior Art) A moving device in which a male screw member is rotated by a motor to move a moving table with respect to a base is widely used for delivering and positioning a moving object.

Such a moving device is generally as shown in a perspective view in FIG.

That is, the base 51 is formed in a substantially U-shape from the upright wall 51A facing each other and the connection wall 51B connecting the upright wall 51A.

The moving table 53 is provided in a space 51C defined by the compatible wall 51A and the connecting wall 51B.

The base 51 is provided with a guide member 55 for guiding the moving table 53.

The male screw member 57 is provided between the base 51 and the movable base 53 so as to extend in the direction of the vertical wall 51A.

A motor 59 connected to the male screw member 57 and rotating the male screw member 57 is attached to the base 51 on an extension of the male screw member 57.

On the other hand, when the size of the motor 59 is reduced, the diameter is reduced, but the length is unavoidably increased, and the length of the base 51 side is increased corresponding to the length of the motor 59.

(Problems to be Solved by the Invention) Therefore, when attempting to make the motor smaller and the moving device more compact, the conventional device has a larger overall length corresponding to the length of the motor. There is a problem that cannot be solved.

In particular, the light emitting elements are orthogonal to each other with respect to the component part.
Axis, Y-axis, and Z-axis to perform positioning by moving in three directions. After the positioning, the optical device positioning moving device used when, for example, bonding a light emitting element to a component portion, includes the moving device described above. Since three units are provided corresponding to the three directions of the X-axis, the Y-axis, and the Z-axis, the size of the moving device is further increased.

The present invention has been devised in view of the above circumstances, and an object of the present invention is to provide an optical component positioning moving device which can be made compact by using a downsized and elongated motor. .

(Means for Solving the Problems) The present invention for achieving the above-mentioned object will be described with reference to FIGS. 1 to 5. The moving device 29 for aligning an optical component according to the present invention comprises: Second and third three moving devices 10
1, 102, 103, each mobile device 101, 102, 103 has a standing wall 5A facing each other, a connecting wall connecting the both standing wall 5A
5B, a base 5 having a substantially U-shaped cross section, a base 3 disposed in a space 5C between the compatible wall 5A and the connecting wall 5B, a base 5 and a base 3 A guide member 11 provided therebetween for guiding a linear movement in a direction between the compatible wall portions 5A of the movable base 5;
A male screw member 7 extending between the movable base 5 and the base 3 in the direction between the compatible wall portions 5A and rotating to move the movable base 5 with respect to the base 3, and a longitudinal direction of the male screw member 7; A motor 9 which is accommodated in the base 3 in an elongated shape and is attached thereto, and is connected to the male screw member 7 in a substantially linear manner to rotate the male screw member 7.
The first moving device 101 is arranged in the X-axis direction in which the longitudinal direction of the male screw member 7 extends on a horizontal plane, and the second moving device 102 is arranged in the longitudinal direction of the male screw member 7. Are arranged on a horizontal plane in a Y-axis direction orthogonal to the X-axis direction, and the third moving device 103 moves in a Z-axis direction in which a longitudinal direction of the male screw member 7 extends on a vertical plane. The moving table 5 of the first and second moving apparatuses 101 and 102 is disposed so that the space 5C faces downward, and the base 3 of the second moving apparatus 102 is moved to the moving table 5 of the first moving apparatus 101. Mounted on the base 3 of the third moving device 103
Is mounted on the moving table 5 of the second moving device 102 via an L-shaped support piece 37, and a holding device 33 for holding optical components is provided on the moving table 5 of the third moving device 103.

(Operation) The first, second, and third moving devices 101, 102, and 103 are the same as the conventional device in that the motor 9 is mounted on the base 3, but the moving table 5 has a substantially U-shaped cross section. Point, space between the compatible wall 5A and the connecting wall 5B of the moving base 5
The difference is that the base 3 is arranged in 5C and the motor 9 is accommodated and mounted in the base 3. The first, second, and third moving devices 101, 102, and 103 are configured without increasing the overall length of the device, and thereby the optical device positioning moving device 29 is downsized.

Hereinafter, a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a cross-sectional side view of a main part of a moving device, FIG. 2 and FIG.
FIG. 4 is a side view of an alignment device for assembling an optical component, and FIG. 5 is a view taken in the direction of the arrow V in FIG.

4 and 5, reference numeral 29 denotes an optical component positioning moving device, and the optical component positioning moving device 29 includes first, second, and third moving devices 101, 102, and 103; It comprises an optical component, that is, a holding device 33 for the light emitting element 31.

In this embodiment, the optical component includes a component portion 35 in which an optical fiber, a lens, and the like are incorporated, and a light emitting element 31.

The light emitting element 31 is applied to the component part 35 by the alignment device 1.
Are moved in three directions of the X axis, the Y axis, and the Z axis, which are orthogonal to each other, to perform positioning with respect to the component portion 35. After the positioning, the light emitting element 31 is adhered to the component portion 35 to complete the optical component.

Each of the first, second and third mobile devices 101, 102 and 103 has the same configuration as the mobile device 1 shown in FIGS. 1 to 3, respectively.

The moving device 1 will be described with reference to FIGS. 1 to 3. The moving device 1 includes a base 3, a moving table 5, and a male screw member 7.
And a motor 9 and the like.

The moving table 5 includes upstanding wall portions 5A, 5A corresponding to each other, and a connecting wall portion 5B connecting the two upstanding wall portions 5A, and has a substantially U-shaped cross section.

The base 3 is a space between the compatible wall 5A and the connecting wall 5B.
Installed at 5C.

A direct-acting bearing 11 is provided between the moving base 5 and the base 3, and the direct-acting bearing 11 guides the moving of the moving base 5 in the direction of the upright wall 5 </ b> A.

The direct-acting type bearing 11 includes a track 13 mounted on both sides of the base 3, a track 15 mounted on both sides of the moving table 5 opposite to the track 13, and both tracks 13, 15. And a plurality of cylindrical rollers 17 with retainers incorporated between the V grooves.

The male screw member 7 is provided between one end of the base 3 and one standing wall 5A of the movable base 5.

 The motor 9 is connected to the end of the male screw member 7.

The motor 9 is a DC servo motor, and includes a motor body 9A, a speed reduction mechanism 9B, and an encoder 9C. The size of the motor 9 is reduced, and therefore, the diameter of the motor 9 is small, but is long in the longitudinal direction of the male screw member 7.

The male screw member 7 is connected to the speed reduction mechanism 9B of the motor 9 in a substantially linear manner via a coupling 19, and the leading end is screwed into the screw hole 21 of the one upright wall 5A.

 The motor 9 is housed and mounted on the base 3 side.

The motor 9 is mounted by fitting the encoder 9C into the support hole 23 of the other standing wall 5A in a non-rotatable manner, and incorporating the base of the male screw member 7 into one end of the base 3.
And the collar 27 supports the flange portion 7A of the male screw member 7.

Thereby, the male screw member 7 is rotatable with respect to the base 3,
And it is assembled so that it cannot move in the longitudinal direction.

Accordingly, the male screw member 7 is rotated by the driving of the motor 9, and the movable table 5 moves in the direction of the compatible wall 5A.

Next, the relationship among the first, second, and third mobile devices 101, 102, and 103 having the above configuration will be described.

The moving table 5 of each of the first and second moving devices 101 and 102 is arranged with its space 5C facing downward.

Further, the first moving device 101 has its moving table 5 movably arranged in the X-axis direction, and the base 3 of the second moving device 102 is mounted on this moving table 5.

The second moving device 102 has its moving table 5 movably arranged in the Y-axis direction, and the base 3 of the third moving device 103 is attached to this moving table 5 via an L-shaped support piece 37.

The third moving device 103 has the moving table 5 movably arranged in the Z-axis direction, and the holding device 33 is mounted on the moving table 5.

The light emitting element 31 moves in the X-axis, Y-axis, and Z-axis directions by driving the motors 9 of the moving devices 101, 102, and 103, and is controlled in units of 0.001 mm.

 Next, the operation will be described.

In each of the moving devices 101, 102, and 103, the moving table 5 is formed to have a substantially U-shaped cross section, and the base 3 is disposed between the compatible walls 5A of the moving table 5; Since the motor 9 is accommodated and mounted, the overall length of the base 3 of each of the moving devices 101, 102, and 103 does not increase even if the motor 9 becomes longer.

Therefore, each moving device 101, 1 corresponds to the length of the motor 9.
There is no problem to increase the total length of 02, 103, X axis, Y
The size in the axis and Z-axis directions can be shortened, and the moving device 29 for positioning optical components can be made compact.

In the embodiment, the case where the guide member 11 is constituted by a direct-acting type bearing has been described.

(Effects of the Invention) As is clear from the above description, according to the present invention, a compact moving device for positioning optical components can be obtained using a downsized and elongated motor.

[Brief description of the drawings]

1 is a cross-sectional side view of a main part of a moving device, FIGS. 2 and 3 are views taken along arrows II and III of FIG. 1, respectively, and FIG. 4 is a side view of a positioning device for assembling optical components. FIG. 5 is a view taken in the direction of the arrow V in FIG. 4, and FIG. 6 is a perspective view of a conventional moving device. In the figure, 1, 101, 102, 103 are moving devices, 3 is a base, 5 is a moving stand, 5A is a standing wall, 5B is a connecting wall, 5C is a space, 7 is a male screw member, 9 is a motor, 11 is a guide member, 29 Is a moving device for aligning optical components.

Claims (1)

(57) [Scope of request for utility model registration] 1. First, second and third three moving devices 101 and 10.
Each of the moving devices 101, 102, and 103 includes a movable base 5 having a substantially U-shaped cross section including a standing wall portion 5A facing each other and a connecting wall portion 5B connecting the both standing wall portions 5A, and the both standing wall portions 5A. A base 3 disposed in a space 5C between the base 5 and the connecting wall 5B, and a guide provided between the base 5 and the base 3 for guiding the linear movement of the base 5 in the direction between the compatible walls 5A. A member 11, a male screw member 7 extending between the moving base 5 and the base 3 in the direction between the compatible wall portions 5A and rotating to move the moving base 5 with respect to the base 3, and a male screw member 7; The first moving device 101 includes a motor 9 that is long and elongated in the longitudinal direction, is accommodated in the base 3, is attached to the base 3, is connected to the male screw member 7 in a substantially linear manner, and rotates the male screw member 7. The longitudinal direction of the male screw member 7 is arranged in the X-axis direction extending on the horizontal plane, and the second moving device 102 The longitudinal direction of the male screw member 7 is arranged on a horizontal plane in the Y-axis direction orthogonal to the X-axis direction, and the third moving device 103 has a longitudinal direction of the male screw member 7 extending on a vertical plane. The moving table 5 of the first and second moving devices 101 and 102 is disposed to face the space 5C downward, and the second moving device 10
The second base 3 is mounted on the moving base 5 of the first moving device 101, and the base 3 of the third moving device 103 is mounted on the moving base 5 of the second moving device 102 via an L-shaped support piece 37. The holding device 33 holding the optical component is attached to the third moving device 103.
A moving device for positioning an optical component, the moving device being provided on a moving table (5).