JP2808089B2 - Laser device for ink marking - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blackout laser device mainly used for architectural blackout work by projecting a laser beam onto, for example, an indoor wall or ceiling.

[0002]

2. Description of the Related Art Conventionally, as this type of ink-marking laser device, there is one described in, for example, Japanese Utility Model Publication No. 4-22943. The laser device for inking described in the publication is
A laser aiming device having a laser oscillator for irradiating a laser beam, and an optical system having a half mirror disposed in a passage of the laser beam, capable of transmitting the laser beam in a straight traveling direction, and reflecting the laser beam in a direction perpendicular to the straight traveling direction. It has.

[0003]

However, in the above-described conventional laser device for marking, the laser oscillator is covered with a protective tube, and the protective tube is provided on the main body side via a gyro mechanism so as to be vertically adjustable. . In addition, the optical system is provided in a mirror body separate from the protection tube, and the mirror body is currently screwed to an upper end of the protection tube.

Accordingly, first, the laser aiming device and the optical system are attached to separate members, respectively. As a result, the laser oscillator 12 is positioned with respect to the mechanical axis (set position of the device) of the inking laser device. Since the axis and the center of the optical system are difficult to match, fine adjustment is required to align these laser oscillators and the optical system at the time of assembling the device or at the time of blackout work. And the operation of sumi ink are complicated and troublesome, and these operations require skill.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and enables the laser oscillator and the optical system to be easily and promptly aligned at the time of assembling the apparatus or performing the blackout operation. It is an object of the present invention to provide a completely new ink-marking laser device.

[0006]

The technical measures taken by the present invention to solve the above problems include a laser aiming device 5 having a laser oscillator 12 for irradiating a laser beam A;
An optical system 18 disposed in the passage of the laser beam A, and a laser beaming device for performing blacking by the laser beam A passing through the optical system 18, wherein the laser aiming device 5 and the optical system 18 are a single unit. The optical system 18 is provided on the optical table 1 , and furthermore, the optical system 18 directs the laser beam A in the straight traveling direction.
Can be transmitted and reflected in the direction perpendicular to the direction of travel
The first half mirror 24 to be
The laser beam B transmitted in the forward direction is further
While transmitting the light, the light is reflected toward the first half mirror 24.
A second half mirror 25 for emitting light.
The laser beam B1 that reflects off the
It is provided so as to be able to irradiate in the opposite direction .

[0007] Therefore, as in the conventional case, the laser aiming device 5 is used.
The error caused by connecting the member provided with the optical system 18 to the member provided with the optical system 18 can be eliminated, and the adjustment of the respective positions can be easily adjusted.

The optical system 18 directs a laser beam A directly.
Transmissive in the forward direction and at right angles to the straight direction
Half mirror 24 for reflecting light to the first half mirror
Laser beam B that has passed through the
In the forward direction and to the first half mirror 24
And a second half mirror 25 for reflecting light toward
The laser beam B1 reflected by the half mirror 25 is
It is provided so that irradiation can be performed in a direction opposite to the angular direction.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described.
This will be described with reference to the drawings. 1 to 4 show a first embodiment of the present invention.
1 shows an embodiment, in which 1 is a single optical bench, and
A concave groove 2 is provided on the side surface 1a over the entire length in the longitudinal direction.
The groove 2 is aligned with the groove 2 as positioning means.
The mounting body 3 having one V-shaped positioning groove 3a is fitted.
Have been combined.

Reference numeral 5 denotes a laser provided on one side of the optical bench 1
FIG. 2 shows an aiming device, the laser aiming device 5 shown in FIG.
As shown, a cylindrical mount 7 is provided, and
Is formed with a circular mounting recess 8 coaxial with the mount 7.
Have been. Reference numeral 9 denotes a nut fitted into the bottom of the mounting recess 8.
A pad made of a disc-shaped member made of iron, with a circular center
It has an annular shape having a hole 10.

[0012] 12 irradiates, for example, a red laser beam
A laser oscillator for semiconductors whose main body 12a is mounted
It is fitted and fixed in the insertion hole 14a of the cover 14. This
Has a circular shape, and its outer diameter D is
The inner diameter D1 of the recess 8 is set smaller than the inner diameter D1.
Attached to its outer peripheral surface 14b for fine adjustment in the radial direction
A slight gap is formed between the inner peripheral surface 8a of the concave portion 8 and the inner peripheral surface 8a.
I have. 13 is a laser oscillator drive circuit,
Mounted behind the vessel 12.

Reference numeral 15 penetrates the mounting body 14 and the pad 9.
Adjustment consisting of, for example, bolts screwed into the mount 7
By means, a plurality of parts are provided at intervals in the circumferential direction of the mounting body 14.
Have been. Fastening or loosening these adjusting means 15
By doing so, the pad 9 is elastically deformed, and FIG.
As shown in (a), the laser beam A of the laser oscillator 12 is
The runout can be adjusted.

16 adjusts the laser oscillator 12 in the radial direction
Adjustment means consisting of hexagon socket head bolts for the
Screw 7 is screwed to the side peripheral surface 7a of the
By moving the mounting body 14 in the radial direction,
The alignment of the laser beam A emitted from the oscillator 12
It becomes possible. 17 is a collimator consisting of a lens,
So that it is located in front of the
It is fitted and fixed to the inner peripheral surface.

Reference numeral 18 denotes an optical element provided on the other side of the optical table 1.
One end is irradiated from the laser oscillator 12 as shown in FIG.
Mounting surface perpendicular to the laser beam A at 90 °
A half-mirror having a mounting inclined surface 21 inclined at 20 and 45 °
Roller mounting body 22 and each mounting surface 20 and mounting inclined surface 21
Disc-shaped first half mirror 24 and second half mirror
Consists of 25. The holder 22 is used to position the optical bench 1
It is fitted and fixed in the groove 3a. 26a, 26b and 26c are
It is a hole for laser beam passage.

Reference numeral 27 denotes a rod lens having a circular cross section, and both ends thereof
Is fixed to the side surface 1b of the optical bench 1 through the stay 28.
You. This rod lens 27 is positioned with respect to the longitudinal direction of the optical bench 1.
It is arranged at a right angle and, as shown in FIG.
The elliptical laser beam A refracting the mirror 25 is partially a
Does not enter the rod lens 27, and the other
Into the nozzle 27. 30 is shown in FIG.
As described above, the laser beam is formed on the optical bench 1 so as to pass therethrough.
It is a groove.

Reference numeral 31 denotes the laser aiming device 5 and the optical system 18
The cover body 31 covers the laser beam
Only a red transparent case that can transmit only
The four side walls 31a are respectively formed on the side surfaces of the optical bench 1.
1b and both ends 1c, respectively
Laser aiming device 5 and optical system 18 to prevent objects from entering
Is sealed.

The first embodiment of the present invention has the above configuration.
Next, the laser device 32 for inking is combined with the leveler 31.
A case in which they are used together will be described. Leveling device 31
As shown in FIG. 5, a magnet 33 for adsorption is provided.
The laser oscillator 12 of the laser device 32 for operation
Battery power supply 35 is built-in. And ink out
The back side of the laser device 32 is fixed to one side of the level
Fixing means, for example, adsorption by magnets or fastening by bolts
It is fixed by, for example. The leveling device 31 is not shown.
It is adsorbed on a table, etc., and the horizontality and verticality are adjusted.
You.

Turning on the power of the laser unit 32 for blackout
And the laser oscillator 12 directs the laser beam A upward.
Irradiate. The laser beam A passes through the collimator 17
Is corrected to a predetermined parallel line, and enters the first half mirror 24.
Shoot. Half of the laser beam A is
Is reflected by 90 ° and most of it is incident on the rod lens 27
However, part a does not enter the rod lens 27.

Laser beam A incident on rod lens 27
Are dispersed in the circumferential direction of the rod lens 27 as shown in FIG.
The ceiling 38, one side wall 39 and the floor 40
Is projected. Inject rod lens 27
The laser beam that did not travel straight in the horizontal direction
It is projected as a spot 37 on the surface 39. Moreover, that sport
The projection position of the cut 37 is on the projection line 42, where
The simple first half mirror 24 and rod lens 27
Simultaneous projection line 42 and spot 37 with simple configuration
Can be projected.

On the other hand, the laser beam transmitted through the first half mirror 24
Half of the beam B goes straight up and goes to the second half mirror
It is incident on 25. At this time, half of the laser beam B is
2 Pass through the half mirror 25 and go straight further to the ceiling 38
Project 44 Lower the second half mirror 25
The reflected half laser beam is further transmitted to the first half.
Half is reflected by the mirror 24, and the laser beam B1 is
The laser beam A reflected from the first half mirror 24 is opposite
It will be irradiated in the opposite direction, facing the one side wall surface 39
Is projected as a spot 46 on the side wall surface 45.
You.

Accordingly, the projection line 42 and the spots 37, 46
Mark on the top, this will make the ceiling 38, one side wall 39, etc.
Inking can be appropriately performed on the side wall surface 45 and the floor surface 40. Also,
The laser aiming device 5 and the optical system 18 are a single optical bench 1
To be mounted in the positioning groove 3
Laser aiming when assembling the device.
Positioning of the device 5 and the optical system 18 can be performed easily and reliably.
At the same time, these laser aiming devices 5 and
Adjustment of the optical system 18 becomes unnecessary or small errors may occur.
Adjustment can be easily performed even if the
Speeding up can be achieved.

In the above embodiment, the laser oscillator
Battery power supply 35 for operating 12 is provided in leveler 31
However, as shown in FIG.
It is also possible to incorporate it.

FIG . 8 shows a second embodiment of the present invention. Previous
Two sets of laser aiming device 5 and optical system 18 are installed on optical bench 1.
Laser beams in opposite directions, upward and downward from each other
Can be irradiated. These laser lights
The quasi-device 5 and the optical system 18 are covered with a cover body 47, and
The upper end protruding from the cover body 47 is used to suspend a chain, etc.
The body 48 covers the cover body 47 with a red-colored transparent material.
It is hung on the main body casing 49 of Ming. Ma
The lower surface of the optical bench 1 is formed in a cross shape in a plan view.
A copper plate 50 is provided.
A magnet 51 fixed to the ring 49 is arranged. 27a is before
The rod lens provided on the upper surface of the cover 47
The laser beam A traveling straight to
Can be .

A tripod 52 is provided on the apparatus main body casing 49.
And use a laser device for marking out on the floor
It is possible. When using the laser for inking
When placed on the floor surface 40,
The aiming device 5 and the optical system 18 swing, but the copper plate 50
Since it is located between the magnets 51, the magnetic
An eddy current is generated in the copper plate 50 by the
The vertical swing can be quickly adjusted by braking the swing of the device.

Moreover, the copper plate 50 is formed in a cross shape in plan view.
Since the magnets 50 are provided between the copper plates 50,
When assembling or disassembling the laser device for
Easily insert and remove the optical table 1 from above from the magnet 50
And perform those tasks easily and quickly
There are advantages.

In this case, the laser beam C
To project a spot 55 on the floor 40,
A straight projection line 42 from well 38 to floor 40
It is possible to project a spot 56 and a horizontal straight line 57
Become. When projecting the horizontal straight line 57,
The drain 27 is arranged in the vertical direction.

The present invention is limited to the above embodiment.
No, the positioning of the laser aiming device 5 and the optical system 18
Although the V-shaped positioning groove 3a has been exemplified as a means for
The base 1 is provided with a single convex portion, and the laser aiming device 5
And fitting the recess formed in the optical system 18
In short, the position of the laser aiming device 5 and the optical system 18
If you can easily and securely place
good.

In the above embodiment, the laser
Oscillator 12 emits red laser light.
Transmitted through the laser beam without any trouble.
The red transparent cover body 31 and the device body casing 49 are used.
However, if the laser beam is not red,
Can be employed. I
Or at least the part where the laser beam passes is transparent
However, the other parts may be opaque.

[0029]

As described above, the present invention provides a laser beam
A laser aiming device having a laser oscillator for irradiation;
An optical system disposed in the passage of the laser beam.
Added ink marking by laser beam passing through academic system.
A laser device for inking, wherein the laser aiming device is
Since the optical system is provided on a single optical bench,
Alignment of laser sighting device and optical system when assembling
Fine adjustment of the set can be performed easily and reliably, and no skill is required.
In addition, the operation can be simplified and speeded up.

The optical system directs a laser beam in a straight line.
In the direction perpendicular to the direction of travel.
A first half mirror to be launched, and the first half
The laser beam transmitted through the mirror is further transmitted in the straight direction.
While being reflected toward the first half mirror.
And a second half mirror to be provided.
The reflected laser beam is illuminated in the direction opposite to the right angle direction.
Laser beam with two half mirrors
-The light beam in both the straight direction and the direction orthogonal to the straight direction
The structure can be simplified.

[Brief description of the drawings]

FIG. 1 is an overall schematic sectional view showing a first embodiment of the present invention.

FIG. 2 shows the laser aiming device, (a) is a cross-sectional view,
(B) is a cross-sectional view of a disassembled state.

FIG. 3 is an essential part cross-sectional view showing a first half mirror and a second half mirror, respectively.

FIG. 4 is a cross-sectional side view of a blackout laser device.

FIG. 5 is a partially cutaway perspective view showing an example of use of the laser device for marking out.

FIG. 6A is an explanatory view showing an adjustment state of a laser beam, and FIG. 6B is an explanatory view of a state in which the laser beam is incident on a rod lens.

FIG. 7 is an overall perspective view showing an example of use of a laser device for marking out.

FIG. 8 is an overall schematic sectional view showing a second embodiment of the present invention.

FIG. 9 is a cross-sectional plan view showing the braking portion.

[Explanation of symbols]

1: optical bench, 5: laser aiming device, 18: optical system, 24:
First half mirror, 25 ... Second half mirror, A, B ... Laser beam

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Hei 5-40815 (JP, U) Japanese Utility Model Utility Model Hei 6-331356 (JP, U) (58) Fields surveyed (Int.Cl. ⁶ , DB name) G01C 15/00-15/14 B25H 7/04

Claims (1)

(57) [Claims] 1. An optical system comprising: a laser aiming device (5) having a laser oscillator (12) for irradiating a laser beam (A); and an optical system (18) arranged in a passage of the laser beam (A). 18) In a laser for inking, which is designed to perform inking with a laser beam (A) passing through:
The laser aiming device (5) and the optical system (18) are provided on a single optical bench (1), and the optical system (18) is a laser.
Laser beam (A) can be transmitted in the straight traveling direction, and is traveling straight
Half mirror that reflects light in a direction perpendicular to the direction
(24) and transmitted through the first half mirror (24) in the straight traveling direction.
The laser beam (B) is further transmitted in the straight traveling direction.
And is reflected toward the first half mirror (24).
A second half mirror (25) for
The laser beam (B1) reflecting the light (25)
It is characterized by being provided so that it can be irradiated in the direction opposite to the angular direction
A laser device for ink removal.