CN213184957U - Two-dimensional positioning adjusting device for spherical output mirror of laser - Google Patents

Abstract

The utility model relates to a solid laser makes, especially a laser instrument sphere output mirror two dimension positioning control device, characterized by: at least comprises the following steps: cavity output end base, the angle adjusting unit, horizontal adjusting unit and protection casing unit, cavity output end base and protection casing unit connect and form the cavity structure, horizontal adjusting unit and angle adjusting unit fix in the cavity, wherein horizontal adjusting unit fixes in the first cavity of cavity output end base, the angle adjusting unit is fixed in the second cavity of horizontal adjusting unit, the angle adjusting unit is including fixed sphere output mirror, the optical axis of sphere output mirror is coaxial with the chamber axle of first cavity and second cavity. The two-dimensional positioning and adjusting device for the spherical output mirror of the laser is small in size and easy to operate.

Description

Two-dimensional positioning adjusting device for spherical output mirror of laser

Technical Field

The utility model relates to a solid laser makes, especially a laser instrument sphere output mirror two dimension positioning control device.

Background

In traditional solid laser manufacturing process, for improving beam quality, the spherical mirror can be selected for use usually to the output mirror, because manufacturing error, the actual optical axis of spherical mirror is not in geometric symmetry axis position, if design the laser instrument with geometric symmetry axis, two-dimensional deviation can appear in actual optical axis and intracavity optical axis. In addition, the non-parallel problem (two-position angle deviation) is easy to occur between the output mirror and the reflecting mirror in the actual assembly process. Both of these problems cause a significant reduction in the quality of the output light.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a small, easy operation's a laser instrument sphere output mirror two dimension positioning control device and method.

The utility model aims at realizing like this, a laser instrument sphere output mirror two dimension positioning control device, characterized by: at least comprises the following steps: cavity output end base, the angle adjusting unit, horizontal adjusting unit and protection casing unit, cavity output end base and protection casing unit connect and form the cavity structure, horizontal adjusting unit and angle adjusting unit fix in the cavity, wherein horizontal adjusting unit fixes in the first cavity of cavity output end base, the angle adjusting unit is fixed in the second cavity of horizontal adjusting unit, the angle adjusting unit is including fixed sphere output mirror, the optical axis of sphere output mirror is coaxial with the chamber axle of first cavity and second cavity.

The angle adjusting unit includes: the spherical output mirror, an output mirror base inner ring, an output mirror base, an angle adjusting base inner ring and an angle adjusting base; the outer body of the bottom shell of the angle adjusting base is a spherical body, the central axis of the spherical body is an optical axis, and the spherical body is in spherical contact with the spherical cavity of the horizontal adjusting unit; the angle adjustment is realized by rotating the angle adjusting base.

The whole through-hole structure that is of angle modulation base inner chamber, the inner chamber includes two steps, and the step that the diameter is little is used for fixed output mirror base, and the step that the diameter is big is used for fixed angle modulation base inner ring, through the spacing fixed output mirror base of angle modulation base inner ring, the output mirror base also includes two step rings, and sphere output mirror is placed to the step ring that the diameter is little, and output mirror base inner ring is placed to the step ring that the diameter is big, through the spacing sphere output mirror of output mirror base inner ring.

The sphere body tip be equipped with outside retainer plate, outside retainer plate has 4 mounting holes for with angle adjusting unit fixed connection.

The output mirror base comprises two step inner rings, two ends of each step inner ring are open, each step inner ring is integrally conical, the step inner rings adjacent to the bottom opening are used for placing the spherical output mirror, the step inner rings at the upper end of the spherical output mirror are used for placing the output mirror base inner rings, and the output mirror base inner rings and the step inner rings at the upper end are fixed through threads.

The level adjustment unit includes: horizontal adjustment seat and horizontal adjusting screw, horizontal adjustment seat shell body be square type, the inner chamber is the sphere body, the sphere body cooperatees with the spheroid surface of shell diameter of angle modulation base, makes the spheroid surface of shell of angle modulation base internal energy self-alignment of sphere rotate at horizontal adjustment seat.

The outer shell of the horizontal adjusting seat is a square, four corners of the outer shell are respectively provided with an adjusting threaded hole, the upper side, the lower side, the left side and the right side of the front surface of the spherical body in the inner cavity of the horizontal adjusting seat are respectively provided with a mounting threaded hole, and the angle adjusting base is connected with the horizontal adjusting seat through a horizontal adjusting screw, namely an angle adjusting unit is connected with the horizontal adjusting unit; the horizontal adjusting screw comprises a long threaded rod and a hemispherical threaded rod cap, and a linear or cross adjusting groove is formed in the end portion of the hemispherical threaded rod cap.

The cavity output end base is of a rectangular structure with square grooves, the left upper corner and the right upper corner of each rectangle are 45-degree inclined edges, the bottom of each square groove is provided with a round opening, the shape of each square groove is rectangular, four corners of each middle round hole are provided with a horizontal long groove, and 2 fixing holes are formed in the upper edge and the left edge and the right edge of each square groove edge.

The protective housing unit includes: the dustproof shell, the dustproof shell inner ring and the dustproof mirror; the dustproof shell is provided with six installation fixing holes, the six installation fixing holes correspond to the upper edge and the left and right edge fixing holes of the cavity output end base, the dustproof shell is fixedly connected with the cavity output end base through the six fixing holes, the dustproof shell comprises three steps, the three steps are of concentric circle cavity structures, a step bottom plate with the smallest diameter is provided with a hole, the step with the smallest diameter fixes the dustproof mirror, a middle step circle cavity is an internal thread and is connected with the dustproof shell inner ring through the internal thread, and the dustproof mirror is fixed and limited through the dustproof shell inner ring; the diameter of the dustproof lens is larger than the diameter of the bottom plate opening and is concentric with the bottom plate opening.

The utility model has the advantages that: the output mirror of the existing solid laser is mostly fixed, the position of the output mirror is invariable after the laser shell is manufactured, and the deviation caused in the manufacturing process, the manufacturing process and the assembling process of the shell can not be reduced through adjustment. The utility model discloses a mode of minute dimension substep is adjusted, and the strong operability, two-dimensional space and the two-dimensional angular deviation problem of solution spherical output mirror actual optical axis that can be fine reduce the influence of deviation problem to high beam quality in the laser manufacture process by a wide margin. The whole structure is small, and the volume of the laser is favorably reduced under the condition of not influencing the quality of a light beam.

Description of the drawings:

fig. 1A is a schematic diagram (side view) of an outer half of an embodiment of the present invention;

FIG. 1B is a schematic side view of the inner half of an embodiment of the present invention;

FIG. 2A is a front view of an inner ring of an output mirror mount;

FIG. 2B is a top view of the inner ring of the output mirror mount;

FIG. 3A is a front view of an output mirror mount;

FIG. 3B is a top view of the output mirror mount;

FIG. 4A is a front view of an inner ring of the angle adjustment base;

FIG. 4B is a top view of the inner ring of the angle adjustment base;

FIG. 5A is a front view of the angle adjustment base;

FIG. 5B is a top view of the angle adjustment base;

FIG. 6A is a front view of the horizontal adjustment mount;

FIG. 6B is a side view of the horizontal adjustment mount;

FIG. 7A is a front view of the base of the output end of the chamber;

FIG. 7B is a side view of the output end mount of the chamber;

FIG. 8A is a front view of the dust cover;

FIG. 8B is a side view of the dust cover;

FIG. 9A is a front view of the inner ring of the dust cover;

FIG. 9B is a top view of the inner ring of the dust cover;

FIG. 10A is a front view of a horizontal adjustment screw;

FIG. 10B is a top view of the horizontal adjustment screw;

FIG. 11A is a front view of a spherical output mirror;

FIG. 11B is a side view of a spherical output mirror;

FIG. 12 is a schematic diagram showing the change in the position of the optical axis when adjusting the two-dimensional spatial position of the output mirror;

FIG. 13 is a schematic diagram of another adjustment of the two-dimensional spatial position of the output mirror;

FIG. 14 is a schematic illustration of two-dimensional spatial positioning of an output mirror with one-dimensional adjustment therein;

FIG. 15 is a schematic diagram of two-dimensional angular adjustment of an output mirror.

In the figure, 1, a spherical output mirror; 2. an output mirror base inner ring; 3. an output mirror base; 4. an angle adjusting base inner ring; 5. an angle adjustment base; 6. a horizontal adjusting seat; 7. a cavity output end base; 8. a dust-proof shell; 9. an inner ring of the dustproof shell; 10. a dust-proof mirror; 11. a horizontal adjustment screw; 12. an ideal optical axis position; 13. an actual optical axis position; 14. the process position is adjusted. The specific implementation example is as follows:

as shown in fig. 1A and fig. 1B, a two-dimensional positioning and adjusting device for a spherical output mirror of a laser is characterized in that: at least comprises the following steps: cavity output base 7, the angle adjusting unit, horizontal adjusting unit and protection casing unit, cavity output base 7 and protection casing unit connect and form the cavity structure, horizontal adjusting unit and angle adjusting unit fix in the cavity, wherein horizontal adjusting unit fixes in the first cavity of cavity output base 7, the angle adjusting unit is fixed in the second cavity of horizontal adjusting unit, the angle adjusting unit is including fixed sphere output mirror, the optical axis of sphere output mirror is coaxial with the chamber axle of first cavity and second cavity.

As shown in fig. 1B, the angle adjusting unit includes: the spherical output mirror 1, an output mirror base inner ring 2, an output mirror base 3, an angle adjusting base inner ring 4 and an angle adjusting base 5; the angle adjusting base 5 is shown in fig. 5A and 5B, fig. 5A is a front view of the angle adjusting base 5, fig. 5B is a side sectional view of the angle adjusting base 5, an outer body of a bottom shell of the angle adjusting base 5 is a spherical body, a central axis of the spherical body is an optical axis, and the spherical body is in spherical contact with a spherical cavity of the horizontal adjusting unit; the angle adjustment is realized by rotating the angle adjusting base 5.

The whole through-hole structure that is of 5 inner chambers of angle modulation base, the inner chamber includes two steps, the step that the diameter is little is used for fixed output mirror base 3, the step that the diameter is big is used for solid angle modulation base inner ring 4, through the spacing fixed output mirror base 3 of 4 inner rings of angle modulation base, fixed output mirror base 3 also includes two step rings, sphere output mirror 1 is placed to the step ring that the diameter is little, output mirror base inner ring 2 is placed to big step ring, through output mirror base inner ring 2 spacing sphere output mirror 1.

The sphere body tip be equipped with outside retainer plate, outside retainer plate has 4 mounting holes for with angle adjusting unit fixed connection.

As shown in fig. 11A and 11B, the spherical output mirror 1 is a plano-concave rice lens, but in optical processing, precision processing cannot reach ideal parameters, and the optical axis thereof deviates, and as shown in fig. 11B, the ideal optical axis position 12 and the actual optical axis position 13 do not coincide with each other, and the ideal optical axis position 12 is on the optical axis of the system by adjusting the angle adjustment base 5.

The output mirror base inner ring 2 and the angle adjustment base inner ring 4 are shown in fig. 2A, 2B, 4A and 4B, and fig. 2A is a front view of the output mirror base inner ring; FIG. 2B is a top view of the inner ring of the output mirror mount; fig. 4A is a front view of an inner ring of the angle adjustment base, and fig. 4B is a top view of the inner ring of the angle adjustment base.

As shown in fig. 11A, 11B and 12, the spherical output mirror 1 is a plano-concave rice lens as shown in fig. 11A and 11B, but in optical processing, precision processing cannot reach ideal parameters, and the optical axis may be deviated, and as shown in fig. 11B, the ideal optical axis position 12 and the actual optical axis position 13 do not coincide with each other, and the ideal optical axis position 12 is on the optical axis of the system by adjusting the angle adjustment base 5. The two-dimensional spatial adjustment process position 14 of the spherical output mirror 1 is adjusted to the actual optical axis position in one dimension by rotating the output mirror base 3.

As shown in fig. 3A and 3B, the output mirror base 3 includes two step inner rings, both ends are open, the whole is a cone, the spherical output mirror 1 is placed on the step adjacent to the bottom opening, the output mirror base inner ring 2 is placed on the step inner ring on the upper end of the spherical output mirror 1, and the output mirror base inner ring 2 and the step inner ring on the upper end are fixed by screw thread.

As shown in fig. 6A, 6B, 11A, and 11B, the level adjustment unit includes: horizontal adjustment seat 6 and horizontal adjusting screw 11, 6 shells body of horizontal adjustment seat be square type, the inner chamber is the sphere body, the sphere body cooperatees with angle modulation base 5's spheroid shell surface diameter, makes angle modulation base 5's spheroid shell surface internal energy self-holding of horizontal adjustment seat 6 inner chamber sphere rotate.

The shell body of the horizontal adjusting seat 6 is a square four-corner adjusting threaded hole, the upper side, the lower side, the left side and the right side of the front surface of the spherical body in the inner cavity of the horizontal adjusting seat 6 are provided with a mounting threaded hole respectively, and the angle adjusting seat 5 is connected with the horizontal adjusting seat 6 through a horizontal adjusting screw 11, namely the angle adjusting unit is connected with the horizontal adjusting unit.

As shown in fig. 10A and 11B, the horizontal adjustment screw 11 includes a long threaded rod and a hemispherical threaded rod cap having a straight or cross adjustment groove at an end thereof.

As shown in fig. 7A and 7B, the overall shape of the cavity output end base 7 is a rectangular structure with a square groove, the upper left corner and the upper right corner of the rectangle are oblique sides of 45 degrees, the bottom of the square groove is provided with a round opening, the overall shape of the square groove is rectangular, four corners of the round hole in the middle are respectively provided with a horizontal long groove, and the upper edge and the left edge and the right edge of the square groove are respectively provided with 2 fixing holes.

As shown in fig. 8A, 8B, 9A, and 9B, the protective case unit includes: a dustproof shell 8, a dustproof shell inner ring 9 and a dustproof mirror 10; there are six installation fixed orificess on the dust shell 8, six installation fixed orificess and cavity output base 7 go up the border, it is corresponding along the fixed orifices about, dust shell 8 and foretell cavity output base 7 are through six fixed orifices fixed connection, dust shell 8 includes three step, three step is concentric circles cavity structure, the step bottom plate trompil that the diameter is minimum, the fixed dustproof mirror 10 of step that the diameter is minimum, middle step circle chamber is the internal thread, be connected (see figure 9A, figure 9B) through internal thread and dust shell inner ring 9, through the fixed spacing dustproof mirror 10 of dust shell inner ring 9. The diameter of the dustproof mirror 10 is larger than the diameter of the opening of the bottom plate and is concentric with the opening of the bottom plate.

A two-dimensional positioning adjustment method for a spherical output mirror of a laser comprises the following steps:

1) obtaining base metal materials of all parts;

2) processing an output mirror base with a geometric symmetry axis of the output mirror, wherein the outer wall is a conical surface, and the mouth is large and the bottom is small;

3) coaxially processing an inner ring of the output mirror base 3 to ensure that the outer diameter of the inner ring of the output mirror base 3 is consistent with the inner diameter of the output mirror base, and slotting in the diameter direction of the output mirror; the width of the groove is more than 1 mm;

4) three step inner rings of the angle adjusting base 5 are coaxially processed, so that the inner part of the angle adjusting base has the same taper as the outer part of the output lens base, the angle adjusting base is in contact fit with the horizontal adjusting base 6 through a spherical surface, and the outer diameter of the angle adjusting base is smaller than the inner diameter 6 of the horizontal adjusting base;

5) coaxially processing an inner ring of the angle adjusting base 5 to ensure that the outer diameter of the inner ring of the angle adjusting base 5 is consistent with the inner diameter of the angle adjusting base 5, tightly closing one surface of the inner ring with the output mirror base after the inner ring is placed in the angle adjusting base, and enabling one surface of the inner ring to be flush with the opening of the angle adjusting base;

6) coaxially processing a horizontal adjusting seat to enable the outer diameter of the horizontal adjusting seat to be smaller than the inner diameter of a base at the output end of the cavity;

7) processing a horizontal adjusting screw;

8) processing the outer diameter of the base at the output end of the cavity according to the requirement of the shell, and putting a horizontal adjusting seat into the outer diameter to ensure that the geometric symmetry axis is consistent with the axis in the cavity;

9) coaxially processing the dustproof shell to enable the outer diameter of the dustproof shell to be consistent with the outer diameter of the base at the output end of the cavity;

10) coaxially processing the inner ring of the dustproof shell to enable the inner ring to be just placed into the dustproof shell to limit the dustproof mirror;

11) processing internal or external threads and screw holes;

12) sequentially assembling all parts except the inner ring and the dustproof shell of the dustproof shell to a base at the output end of the cavity;

13) use regulation;

14) and installing the inner ring and the dustproof shell.

The components and structures of the present embodiments that are not described in detail are well known in the art and do not constitute essential structural elements or elements.

Claims (9)

1. The utility model provides a two dimension positioning adjusting device of laser instrument sphere output mirror, characterized by: at least comprises the following steps: cavity output end base (7), the angle modulation unit, horizontal adjusting unit and protection casing unit, cavity output end base (7) and protection casing unit connect and form the cavity structure, horizontal adjusting unit and angle modulation unit are fixed in the cavity, wherein horizontal adjusting unit fixes in the first cavity of cavity output end base (7), the angle modulation unit is fixed in the second cavity of horizontal adjusting unit, the angle modulation unit is including fixed sphere output mirror, the optical axis of sphere output mirror is coaxial with the chamber axle of first cavity and second cavity.

2. The two-dimensional positioning and adjusting device for the spherical output mirror of the laser as claimed in claim 1, wherein: the angle adjusting unit includes: the spherical output mirror (1), an output mirror base inner ring (2), an output mirror base (3), an angle adjusting base inner ring (4) and an angle adjusting base (5); the outer body of the bottom shell of the angle adjusting base (5) is a spherical body, the central axis of the spherical body is an optical axis, and the spherical body is in spherical contact with the spherical cavity of the horizontal adjusting unit; the angle adjustment is realized by rotating the angle adjusting base (5).

3. The two-dimensional positioning and adjusting device for the spherical output mirror of the laser as claimed in claim 2, wherein: the whole through-hole structure that is of angle modulation base (5) inner chamber, the inner chamber includes two steps, the step that the diameter is little is used for fixed output mirror base (3), the step that the diameter is big is used for fixed angle modulation base inner ring (4), through spacing fixed output mirror base (3) of angle modulation base inner ring (4), output mirror base (3) also include two step rings, sphere output mirror (1) is placed to the step ring that the diameter is little, output mirror base inner ring (2) is placed to the step ring that the diameter is big, through output mirror base inner ring (2) spacing sphere output mirror (1).

4. The two-dimensional positioning and adjusting device for the spherical output mirror of the laser as claimed in claim 2, wherein: the sphere body tip be equipped with outside retainer plate, outside retainer plate has 4 mounting holes for with angle adjusting unit fixed connection.

5. The two-dimensional positioning and adjusting device for the spherical output mirror of the laser as claimed in claim 2, wherein: the output mirror base (3) comprises two step inner rings, two ends of each step inner ring are provided with openings, the output mirror base is integrally conical, the spherical output mirror (1) is placed on the step adjacent to the bottom opening, the output mirror base inner ring (2) is placed on the step inner ring at the upper end of the spherical output mirror (1), and the output mirror base inner ring (2) and the step inner ring at the upper end are fixed through threads.

6. The two-dimensional positioning and adjusting device for the spherical output mirror of the laser as claimed in claim 1, wherein: the level adjustment unit includes: horizontal adjustment seat (6) and horizontal adjusting screw (11), horizontal adjustment seat (6) shell body be the square, the inner chamber is the sphere body, the sphere body cooperatees with the spheroid shell surface diameter of angle modulation base (5), the spheroid shell surface that makes angle modulation base (5) can automatic positioning rotate in horizontal adjustment seat (6) inner chamber sphere body.

7. The two-dimensional positioning and adjusting device for the spherical output mirror of the laser as claimed in claim 6, wherein: the outer shell of the horizontal adjusting seat (6) is a square, four corners of the outer shell are respectively provided with an adjusting threaded hole, the upper side, the lower side, the left side and the right side of the front surface of the spherical body in the inner cavity of the horizontal adjusting seat (6) are respectively provided with a mounting threaded hole, and the angle adjusting seat (5) is connected with the horizontal adjusting seat (6) through a horizontal adjusting screw (11), namely an angle adjusting unit is connected with the horizontal adjusting unit; the horizontal adjusting screw (11) comprises a long threaded rod and a hemispherical threaded rod cap, and a linear or cross adjusting groove is formed in the end part of the hemispherical threaded rod cap.

8. The two-dimensional positioning and adjusting device for the spherical output mirror of the laser as claimed in claim 1, wherein: the cavity output end base (7) is of a rectangular structure with square grooves, the left upper corner and the right upper corner of each rectangle are 45-degree inclined edges, the bottom of each square groove is provided with a round opening, the shape of each square groove is rectangular, four corners of each middle round hole are provided with a horizontal long groove, and the upper edge and the left edge and the right edge of each square groove are provided with 2 fixing holes.

9. The two-dimensional positioning and adjusting device for the spherical output mirror of the laser as claimed in claim 1, wherein: the protective housing unit includes: a dustproof shell (8), a dustproof shell inner ring (9) and a dustproof mirror (10); the dustproof shell (8) is provided with six mounting and fixing holes, the six mounting and fixing holes correspond to the fixing holes at the upper edge and the left edge and the right edge of the cavity output end base (7), the dustproof shell (8) is fixedly connected with the cavity output end base (7) through the six fixing holes, the dustproof shell (8) comprises three steps, the three steps are of concentric circle cavity structures, a step bottom plate with the smallest diameter is provided with a hole, the step with the smallest diameter is used for fixing the dustproof mirror (10), the middle step circle cavity is an internal thread and is connected with a dustproof shell inner ring (9) through the internal thread, and the dustproof mirror (10) is fixed and limited through the dustproof shell inner ring (9); the diameter of the dustproof mirror (10) is larger than the diameter of the bottom plate opening and is concentric with the bottom plate opening.

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