CN210014785U

CN210014785U - Adjusting platform and marking laser module

Info

Publication number: CN210014785U
Application number: CN201921077497.1U
Authority: CN
Inventors: 亓玉凯; 门之鹏
Original assignee: QINGDAO LEICHUANG PHOTOELECTRIC TECHNOLOGY CO LTD
Current assignee: QINGDAO LEICHUANG PHOTOELECTRIC TECHNOLOGY CO LTD
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-02-04
Anticipated expiration: 2029-07-10

Abstract

The utility model provides an adjustment platform and marking laser module relates to laser marking device technical field, the adjustment platform for fixed conical mirror, the adjustment platform includes: the conical mirror fixing device comprises a base and a support frame which are arranged at intervals, wherein the support frame is connected with the base and is used for fixing a conical mirror; the adjusting platform comprises an adjusting mechanism, the adjusting mechanism can be connected with the base and the supporting frame respectively, and the adjusting mechanism is used for adjusting the distance between the supporting frame and the base at the position of the adjusting mechanism so as to change the included angle between the supporting frame and the base. The distance between the supporting frame and the base at the position of the adjusting mechanism on the adjusting platform can be increased or reduced through the adjusting mechanism, so that the supporting frame is inclined, and the conical mirror on the supporting frame is driven to deflect. By adjusting the pitching angle of the support frame, the parallelism between the light emitted by the laser source and the axis of the conical mirror can be increased, the higher the parallelism between the light emitted by the laser source and the axis of the conical mirror is, the better the straightness of the reflected light is.

Description

Adjusting platform and marking laser module

Technical Field

The utility model belongs to the technical field of laser marking device technique and specifically relates to an adjustment platform and marking laser module are related to.

Background

In recent years, the application demand of laser modules is increasing, and the demand of indicating lasers for decoration, marking and leveling is increasing. The laser marking module converts points into a straight line, and is widely applied to laser application products such as construction site construction, home decoration, mapping and the like.

The marking module commonly existing on the market at present comprises a laser source and a conical mirror, the laser source irradiates on the conical surface of the conical mirror, the laser is parallel to the axis of the conical surface of the mirror, and the conical mirror can convert a point light beam into a conical surface or a circular surface light beam which is transmitted in a plane, so that a 360-degree annular line is obtained.

However, due to production and processing or frequent use, the position of the adjustment platform is not aligned with the laser light source, so that the light emitted by the laser light source of the reticle module cannot be parallel to the axis of the conical mirror, and the reflected light is a curved line, thereby causing low linear straightness accuracy of the module.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustment platform and marked line laser module to light that laser source sent can not shine perpendicularly on the conical mirror among the current laser module has been alleviated, thereby leads to the technical problem that the straightness accuracy of module is low.

In a first aspect, an embodiment of the present invention provides an adjustment platform for fixing a conical mirror, the adjustment platform includes: the conical mirror fixing device comprises a base and a support frame which are arranged at intervals, wherein the support frame is connected with the base and is used for fixing a conical mirror;

the adjusting platform comprises an adjusting mechanism, the adjusting mechanism can be respectively connected with the base and the supporting frame, and the adjusting mechanism is used for adjusting the distance between the supporting frame and the base at the position where the adjusting mechanism is located so as to change the included angle between the supporting frame and the base.

Further, the base and the support frame are annular, and hollow parts of the base and the support frame are aligned to form an optical channel so that laser can pass through the optical channel;

the base is connected with the support frame through a first connecting structure, one end of the first connecting structure is connected with one surface of the base, which faces the support frame, and the other end of the first connecting structure is connected with one surface of the support frame, which faces the base.

Furthermore, the adjusting mechanism comprises an adjusting bolt, and the adjusting bolt penetrates through the upper surface and the lower surface of the support frame and is in threaded connection with the support frame;

the bottom end of the adjusting bolt can abut against the base.

Furthermore, the number of the first connection structures is multiple, the multiple first connection structures are arranged along the same straight line, and at least two first connection structures are symmetrical relative to the optical channel;

the number of the adjusting bolts is two, and the two adjusting bolts are symmetrically arranged on two sides of the first connecting structures which are arranged along the same straight line.

Furthermore, the base comprises a first layer and a second layer which are arranged at intervals up and down, and the support frame is positioned above the second layer; the lower surface of the support frame is connected with the upper surface of the second layer through a first connecting structure, and the lower surface of the second layer is connected with the first layer through a second connecting structure;

the number of the first connecting structures is multiple, the first connecting structures are arranged along a first direction, and at least two first connecting structures are symmetrical relative to the optical channel; the number of the second connecting structures is multiple, the second connecting structures are arranged along a second direction, and at least two second connecting structures are symmetrical relative to the optical channel; and the first direction and the second direction are perpendicular;

the number of the adjusting bolts is four, two adjusting bolts are symmetrically arranged relative to the second direction, and the bottom ends of the two adjusting bolts penetrate through the second layer and are abutted against one surface, facing the second layer, of the first layer; the other two adjusting bolts are symmetrically arranged relative to the first direction, and the bottom ends of the two adjusting bolts are abutted to one surface, facing the support frame, of the second layer.

Furthermore, the number of the adjusting bolts is three, the three adjusting bolts are located on the same circle, and the central angle of two adjacent adjusting bolts is 120 degrees along the circumferential direction of the circle.

Furthermore, a first concave part is arranged on one surface of the support frame facing the base, and the first concave part is communicated with the circumferential side wall of the support frame; a second concave part is arranged on one surface of the base facing the support frame and communicated with the circumferential side wall of the base;

the first concave part and the second concave part are opposite, internal threads are arranged on the first concave part and the second concave part, and a first screw hole is formed in the first concave part and the second concave part;

the adjusting mechanism comprises a first adjusting screw, the diameter of the first adjusting screw is gradually increased from the tip end of the first adjusting screw to the tail end of the first adjusting screw, so that the distance between the support frame and the base can be enlarged when the first adjusting screw is screwed into the first screw hole.

the first screw holes and the first adjusting screws are two in number, and the two first screw holes are symmetrically arranged on two sides of the first connecting structures along the same straight line.

a third concave part is arranged on one surface of the first layer facing the second layer and is communicated with the circumferential side wall of the first layer; a fourth concave part is arranged on one surface of the second layer facing the first layer and is communicated with the circumferential side wall of the second layer;

the third concave part and the fourth concave part are opposite, internal threads are arranged on the third concave part and the fourth concave part, and a second screw hole is formed in the third concave part and the fourth concave part; the base comprises a second adjusting screw, the diameter of the second adjusting screw is gradually increased from the tip of the second adjusting screw to the tail end of the second adjusting screw, so that the distance between the first layer and the second layer can be increased when the second adjusting screw is screwed into the second screw hole;

the quantity of second screw and second adjusting screw is two, two the second screw symmetry sets up the both sides side in the second direction.

Furthermore, the number of the first screw holes and the number of the first adjusting screws are three and are in one-to-one correspondence; the three first screw holes are located on the same circle, and the central angles of two adjacent first screw holes are 120 degrees along the circumferential direction of the circle.

In a second aspect, an embodiment of the present invention provides a reticle laser module, including the above-mentioned adjustment platform.

The embodiment of the utility model provides an adjustment platform and marking laser module, adjustment platform are used for fixed conical mirror, adjustment platform includes: the adjusting platform comprises an adjusting mechanism, the adjusting mechanism can be respectively connected with the base and the supporting frame, and the adjusting mechanism is used for adjusting the distance between the supporting frame and the base at the position of the adjusting mechanism so as to change the included angle between the supporting frame and the base. The distance between the supporting frame and the base at the position of the adjusting mechanism on the adjusting platform can be increased or decreased through the adjusting mechanism, so that the supporting frame is inclined. By adjusting the pitching angle of the support frame, the parallelism between the light emitted by the laser source and the axis of the conical mirror can be increased, the higher the parallelism between the light emitted by the laser source and the axis of the conical mirror is, the better the straightness of the reflected light is. The embodiment of the utility model provides an adjustment platform can reach the emergent ray straightness and reach the adjustable purpose, improves the precision of straightness, and annular module can be solved to this adjustment platform and the difficult problem that the requirement is high to the light source axiality, has solved the difficult problem that module straightness can not be reprocessed after changing simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of an adjusting platform provided in embodiment 1 of the present invention;

fig. 2 is a top view of an adjustment platform provided in embodiment 1 of the present invention;

fig. 3 is a front view of an adjusting platform provided in embodiment 2 of the present invention;

fig. 4 is a top view of an adjustment platform provided in embodiment 2 of the present invention;

fig. 5 is a front view of an adjusting platform provided in embodiment 3 of the present invention;

fig. 6 is a top view of an adjustment platform provided in embodiment 3 of the present invention;

fig. 7 is a front view of an adjusting platform provided in embodiment 4 of the present invention;

fig. 8 is a front view of an adjusting platform provided in embodiment 5 of the present invention;

fig. 9 is a top view of an adjustment platform provided in embodiment 6 of the present invention;

fig. 10 is a front view of a reticle laser module provided in an embodiment of the present invention;

fig. 11 is a cross-sectional view of a reticle laser module according to an embodiment of the present invention.

Icon: 100-a base; 110 — first layer; 120-a second layer; 200-a support frame; 210-a support structure; 300-a first connection structure; 400-adjusting the bolt; 500-a second connection structure; 610-a first recess; 620-a second recess; 630-a first adjusting screw; 710-a third recess; 720-a fourth recess; 810-a housing; 820-a driving circuit board; 830-a laser light source; 840-a beam expander; 850-collimator holder; 860-a collimating mirror; 870-a glass tube; 880-conical mirror.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1 and fig. 2, an adjusting platform provided in the present invention is used for fixing a conical mirror 880, and the adjusting platform includes: the adjusting platform comprises a base 100 and a support frame 200 which are arranged at intervals, the support frame 200 is connected with the base 100, the support frame 200 is used for fixing the conical mirror 880, the adjusting platform comprises an adjusting mechanism, the adjusting mechanism can be respectively connected with the base 100 and the support frame 200, and the adjusting mechanism is used for adjusting the distance between the support frame 200 and the base 100 at the position where the adjusting mechanism is located so as to change the included angle between the support frame 200 and the base 100. Can be with the embodiment of the utility model provides an on the base 100 of adjustment platform installs marking laser module, on marking laser module's light source can shine conical mirror 880, can increase or reduce the distance between adjustment mechanism position department support frame 200 and the base 100 on the adjustment platform through adjustment mechanism to make support frame 200 slope, thereby drive conical mirror 880 deflection on the support frame 200. By adjusting the pitching angle of the support frame, the parallelism between the light emitted by the laser source and the axis of the conical mirror can be increased, the higher the parallelism between the light emitted by the laser source and the axis of the conical mirror is, the better the straightness of the reflected light is. The adjusting platform enables the straightness to achieve the adjustable purpose, improves the straightness accuracy, and can solve the difficult problem that the annular module has high requirements on the coaxiality of the light source and the difficult problem that the module cannot be repaired after the straightness of the module changes.

The shell of current module on the market does not have regulatory function for the straightness accuracy precision of module can only accomplish within 1mm, even 2mm, and the precision is poor, seriously influenced the terminal customer and used. The adjustable platform can realize that the adjustable angle of the support frame is between-5 degrees and 5 degrees, so that the laser is parallel to the axis of the conical surface better. Therefore, the adjustment of the straightness of the module is realized, the precision can reach within 0.5mm and is consistent with the straightness precision of a whole machine of a line, and the bottleneck problem in the industry is solved.

The base 100 and the supporting frame 200 are ring-shaped, and the hollow parts of the base 100 and the supporting frame 200 are aligned to form a light channel for laser to pass through. The base 100 and the supporting frame 200 are connected by a first connecting structure 300, and the first connecting structure 300 may be a sheet-shaped connecting piece or a column-shaped connecting column. One end of the first connecting structure 300 is connected to a surface of the base 100 facing the supporting frame 200, and the other end is connected to a surface of the supporting frame 200 facing the base 100. The first connecting structure 300 has a certain elasticity, and the material thereof may be silica gel or rubber, when the adjusting mechanism drives the supporting frame 200 to tilt, the first connecting structure 300 may deform to a certain extent, and when the external force applied by the adjusting mechanism is removed, the first connecting structure 300 may also recover the original shape.

The hollow portion between the base 100 and the supporting frame 200, which forms the light channel, may have various shapes, such as a circle or a rectangle, and for convenience of description of the structure, the following embodiments are all described with reference to a circle as an example.

The adjusting mechanism comprises an adjusting bolt 400, and the adjusting bolt 400 penetrates through the upper surface and the lower surface of the supporting frame 200 and is in threaded connection with the supporting frame 200; the bottom end of the adjusting bolt 400 can abut on the base 100.

The annular supporting frame 200 may have a plurality of screw holes, wherein when one adjusting bolt 400 rotates toward the base 100 and abuts against the base 100, the adjusting bolt 400 is driven to tilt the supporting frame 200 at the position thereof upward after rotating again, so as to adjust an included angle of the supporting frame 200 relative to the base 100.

The number of the first connection structures 300 is plural, a plurality of the first connection structures 300 are arranged along the same straight line, and at least two of the first connection structures 300 are symmetrical with respect to the optical channel; the number of the adjusting bolts 400 is two, and the two adjusting bolts 400 are symmetrically arranged at both sides of the plurality of first connecting structures 300 arranged along the same straight line.

In this embodiment, the number of the first connecting structures 300 may be two, two sheet-shaped first connecting structures 300 are arranged to extend in the same direction, and the two sheet-shaped first connecting structures 300 are arranged on two opposite sides of the optical channel, and the adjusting bolts 400 are respectively arranged on two sides of the first connecting structure 300, and by adjusting the two adjusting bolts 400, the support frame 200 can swing up and down with a straight line where the first connecting structure 300 is located as an axis, so that the pitch angle of the support frame 200 can be adjusted in one dimension.

The first connecting structure 300 may not have uniform elasticity, and may be made of metal, that is, when the adjusting bolt 400 on the first side of the supporting frame 200 is extended, the side is supported. The first connection structure 300 is bent. When the opposite second side of the supporting frame 200 needs to be supported, the adjusting bolt 400 on the first side needs to be screwed out, and then the adjusting bolt 400 on the second side needs to be screwed in, so that the first connecting structure 300 is bent reversely.

A stepped support structure 210 is disposed at an inner ring of the support frame 200 for supporting a glass tube 870, and a conical mirror 880 is fixed at an upper end of the glass tube.

Example 2

The difference from embodiment 1 is that the adjusting platform provided in this embodiment can adjust the pitch angle of the adjusting platform in two dimensions.

As shown in fig. 3 and 4, the base 100 includes a first layer 110 and a second layer 120 spaced from each other, and the supporting frame 200 is located above the second layer 120; the lower surface of support frame 200 with the upper surface of second layer 120 passes through first connection structure 300, the lower surface of second layer 120 with first layer 110 passes through second connection structure 500 and connects, and second connection structure 500 has certain elasticity, and its material can be silica gel or rubber, and when adjustment mechanism drove the slope of support frame 200, certain deformation can take place for second connection structure 500, and when the applied external force of adjustment mechanism removed the back, second connection structure 500 can also resume original shape.

The number of the first connection structures 300 is plural, a plurality of the first connection structures 300 are arranged along a first direction, and at least two of the first connection structures 300 are symmetrical with respect to the optical channel; the number of the second connection structures 500 is plural, the plural second connection structures 500 are arranged along a second direction, and at least two second connection structures 500 are symmetrical with respect to the optical channel; and the first direction and the second direction are perpendicular. In this embodiment, the number of the first connection structures 300 and the second connection structures 500 is two. The first connecting structure 300 and the second connecting structure 500 are both strip-shaped sheet structures, and the extending direction of the first connecting structure 300 is a first direction, and the extending direction of the second connecting structure 500 is a second direction.

The number of the adjusting bolts 400 is four, wherein two adjusting bolts 400 are symmetrically arranged relative to the second direction, and the bottom ends of the two adjusting bolts 400 penetrate through the second layer 120 and abut against one surface of the first layer 110 facing the second layer 120. The two adjusting bolts 400 are positioned corresponding to the first connecting structure 300, and the two adjusting bolts 400 penetrate the first connecting structure 300 before penetrating the second layer 120. The diameter of the hole in the second layer 120 for the adjustment bolt 400 to pass through is slightly larger than the diameter of the adjustment bolt 400. The support bracket 200 and the second layer 120 can be swung together about the second direction as an axis by adjusting the two adjusting bolts 400. The other two adjusting bolts 400 are symmetrically arranged relative to the second direction, and the bottom ends of the two adjusting bolts 400 are abutted with one surface of the second layer 120 facing the supporting frame 200. The support bracket 200 can be swung about the first direction as an axis by adjusting the two adjusting bolts 400. Therefore, the four adjusting bolts 400 can adjust the pitch of the supporting frame 200 in two dimensions.

The second connection structure 500 may have the same shape and material as the first connection structure 300.

Example 3

As shown in fig. 5 and fig. 6, the difference from embodiment 1 is that the number of the adjusting bolts 400 on the adjusting platform provided by the embodiment of the present invention is three, three adjusting bolts 400 are located on the same circle, and along the circumference of the circle, the central angle of two adjacent adjusting bolts 400 is 120 °. In the present embodiment, the number of the first connecting structures 300 may be three, and each of the first connecting structures 300 may be located at an intermediate position between two adjacent adjusting bolts 400. The first connection structure 300 is made of elastic material and can be extended and contracted. The pitch adjustment of the supporting stand 200 is achieved by three adjusting bolts 400.

Example 4

As shown in fig. 7, the difference from embodiment 1 is that the structure of the adjusting mechanism in this embodiment is not a bolt structure penetrating through the supporting frame 200, but an adjusting screw structure expanding on the side surface of the adjusting platform, and the specific structure is as follows:

a first concave part 610 is arranged on one surface of the supporting frame 200 facing the base 100, and the first concave part 610 is communicated with the circumferential side wall of the supporting frame 200; a second concave part 620 is arranged on one surface of the base 100 facing the support frame 200, and the second concave part 620 is communicated with the circumferential side wall of the base 100; the first concave part 610 and the second concave part 620 face to each other, internal threads are arranged on the first concave part 610 and the second concave part 620, and a first screw hole is formed by the first concave part 610 and the second concave part 620; the adjusting mechanism includes a first adjusting screw 630, and the diameter of the first adjusting screw 630 gradually increases from the tip of the first adjusting screw 630 to the tail end of the first adjusting screw 630. When the first adjusting screw 630 is gradually screwed into the first screw hole, the first screw hole is gradually enlarged as the first adjusting screw 630 is inserted, so that the distance between the supporting frame 200 and the base 100 at the position is enlarged, and the inclination degree of the supporting frame 200 relative to the horizontal plane is changed.

The number of the first connection structures 300 is plural, a plurality of the first connection structures 300 are arranged along the same straight line, and at least two of the first connection structures 300 are symmetrical with respect to the optical channel; the number of the first screw holes and the number of the first adjusting screws 630 are two, and the two first screw holes are symmetrically arranged at both sides of the first connecting structure 300 arranged along the same straight line.

In this embodiment, the number of the first connecting structures 300 is two, the two first connecting structures 300 are located on the same straight line, the two adjusting screw holes are located on two symmetrical sides of the straight line, and the connecting line between the supporting frame 200 and the two first connecting structures 300 can swing about the axis by screwing in the first adjusting screws 630, so as to adjust the inclination degree of the supporting frame 200 relative to the horizontal plane.

Example 5

As shown in fig. 8, the difference from embodiment 4 is that in this embodiment, the adjustment of the pitch of the supporting frame 200 can be performed in two dimensions. The base 100 comprises a first layer 110 and a second layer 120 which are arranged at intervals up and down, and the supporting frame 200 is positioned above the second layer 120; the lower surface of the supporting frame 200 is connected to the upper surface of the second layer 120 through a first connecting structure 300, and the lower surface of the second layer 120 is connected to the first layer 110 through a second connecting structure 500; the first connection structure 300 and the second connection structure 500 may be made of the same material, such as rubber with elasticity, or a metal material.

A third concave part 710 is arranged on one surface of the first layer 110 facing the second layer 120, and the third concave part 710 is communicated with the circumferential side wall of the first layer 110; a fourth recess 720 is arranged on one surface of the second layer 120 facing the first layer 110, and the fourth recess 720 is communicated with the circumferential side wall of the second layer 120; the third concave part 710 and the fourth concave part 720 are opposite, internal threads are arranged on the third concave part 710 and the fourth concave part 720, and a second screw hole is formed in the third concave part 710 and the fourth concave part 720; the first screw hole and the second screw hole are prepared in the same mode and are grooved from the side face of the adjusting platform.

The base 100 includes second adjusting screw (not shown), certainly the pointed end of second adjusting screw to the tail end of second adjusting screw, the diameter of second adjusting screw increases gradually, the quantity of second screw and second adjusting screw is two, two the second screw symmetry sets up the both sides side in the second direction. When the second adjusting screw is screwed into the second screw hole, the second screw hole can be spread, the distance between the first layer 110 and the second layer 120 at the position of the second screw hole is increased, and the support frame 200 can swing around the second direction as an axis. In this embodiment, the adjustment platform can adjust the pitch angle of the support frame 200 in two dimensions through the first adjusting screw 630 and the second adjusting screw.

Example 6

As shown in fig. 9, the number of the first screw holes and the number of the first adjusting screws 630 are three, and the first screw holes and the first adjusting screws are in one-to-one correspondence; the three first screw holes are located on the same circle, and the central angles of two adjacent first screw holes are 120 degrees along the circumferential direction of the circle. In this embodiment, the number of the first connection structures 300 may be three, and each first connection structure 300 may be located at a middle position of two adjacent first screw holes. The first connection structure 300 is made of elastic material and can be extended and contracted. The pitch adjustment of the supporting stand 200 is achieved by three first adjusting screws 630.

In a second aspect, an embodiment of the present invention provides a reticle laser module, including the above-mentioned adjustment platform. Because the embodiment of the utility model provides a marking laser module has quoted foretell adjustment platform, so, the utility model provides a marking laser module also possesses the advantage of adjustment platform.

As shown in fig. 10 and 11, the embodiment of the present invention provides a reticle laser module, which includes a housing 810, a driving circuit board 820, a laser source 830, a beam expander 840, a collimator support 850, and a collimator 860. The laser source 830, the beam expander 840, the collimator support 850 and the collimator 860 form a laser point light source system. The base 100 of the adjustment platform is integrally formed with the housing 810. The line laser module further comprises a glass tube 870 and a conical mirror 880, wherein one end of the glass tube 870 is mounted on the adjusting platform, and the other end supports and fixes the conical mirror 880.

The driving circuit board 820 is a driving system. The laser source 830 may be a laser diode that directly emits light as the laser source 830, or a combination of a laser diode and a laser crystal as the laser source 830; the beam expander 840 mainly plays a role in expanding the beam of the laser source 830, and facilitates compression of the divergence angle of the laser beam, and the beam expander may or may not be used; a collimator holder 850 for holding the collimator 860 and for engaging the collimator 860 with the housing 810, optionally; the collimator 860 mainly serves to compress and collimate the beam divergence angle of the laser light source 830.

The shell 810 is used as an important support body of the whole structure and is in interference fit with the light source and the lens system; the cone lens system is fixed by gluing. The marking laser module can not only enable the conical mirror to move upwards in the horizontal direction to adjust the overall uniformity of the line, but also enable the conical mirror 880 to be vertically adjusted in a pitching mode through the adjusting platform, so that the straightness can be adjusted, the straightness accuracy is improved, the problem that the annular module has high requirements for the coaxiality of a light source is solved, and the problem that the straightness of the module cannot be repaired after being changed is solved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An adjustment platform for securing a conical mirror (880), the adjustment platform comprising: the conical mirror comprises a base (100) and a support frame (200) which are arranged at intervals, wherein the support frame (200) is connected with the base (100), and the support frame (200) is used for fixing a conical mirror (880);

the adjusting platform comprises an adjusting mechanism, the adjusting mechanism can be respectively connected with the base (100) and the supporting frame (200), and the adjusting mechanism is used for adjusting the distance between the supporting frame (200) and the base (100) at the position of the adjusting mechanism so as to change the included angle between the supporting frame (200) and the base (100).

2. The adjustment platform according to claim 1, characterized in that the base (100) and the support (200) are ring-shaped, the hollow parts of the base (100) and the support (200) being aligned to form a light passage for the laser light to pass through;

the base (100) and the support frame (200) are connected through a first connecting structure (300), one end of the first connecting structure (300) is connected with one surface, facing the support frame (200), of the base (100), and the other end of the first connecting structure is connected with one surface, facing the support frame (200), of the base (100).

3. The adjustment platform of claim 2, wherein the adjustment mechanism comprises an adjustment bolt (400), the adjustment bolt (400) penetrates through the upper and lower surfaces of the support frame (200) and is in threaded connection with the support frame (200);

the bottom end of the adjusting bolt (400) can abut against the base (100).

4. The adjustment platform of claim 3, wherein the number of the first connecting structures (300) is plural, a plurality of the first connecting structures (300) are arranged along the same straight line, and at least two of the first connecting structures (300) are symmetrical with respect to the light channel;

the number of the adjusting bolts (400) is two, and the two adjusting bolts (400) are symmetrically arranged on two sides of the first connecting structures (300) which are arranged along the same straight line.

5. The adjustment platform of claim 3, wherein the base (100) comprises a first layer (110) and a second layer (120) which are arranged at an interval, and the support frame (200) is positioned above the second layer (120); the lower surface of the support frame (200) is connected with the upper surface of the second layer (120) through a first connecting structure (300), and the lower surface of the second layer (120) is connected with the first layer (110) through a second connecting structure (500);

the number of the first connecting structures (300) is multiple, the first connecting structures (300) are arranged along a first direction, and at least two first connecting structures (300) are symmetrical relative to the optical channel; the number of the second connecting structures (500) is multiple, the second connecting structures (500) are arranged along a second direction, and at least two second connecting structures (500) are symmetrical relative to the optical channel; and the first direction and the second direction are perpendicular;

the number of the adjusting bolts (400) is four, two of the adjusting bolts (400) are symmetrically arranged relative to the second direction, and the bottom ends of the two adjusting bolts (400) penetrate through the second layer (120) and are abutted against one surface, facing the second layer (120), of the first layer (110); the other two adjusting bolts (400) are symmetrically arranged relative to the first direction, and the bottom ends of the two adjusting bolts (400) are abutted to one surface, facing the support frame (200), of the second layer (120).

6. The adjustment platform according to claim 3, characterized in that the number of the adjusting bolts (400) is three, three adjusting bolts (400) are located on the same circle, and the central angle of two adjacent adjusting bolts (400) along the circumference of the circle is 120 °.

7. The adjustment platform according to claim 2, characterized in that a first recess (610) is provided on a side of the support (200) facing the base (100), the first recess (610) communicating with a circumferential side wall of the support (200); a second concave part (620) is arranged on one surface of the base (100) facing the support frame (200), and the second concave part (620) is communicated with the circumferential side wall of the base (100);

the first concave part (610) is opposite to the second concave part (620), internal threads are arranged on the first concave part (610) and the second concave part (620), and a first screw hole is formed by the first concave part (610) and the second concave part (620);

the adjusting mechanism comprises a first adjusting screw (630), the diameter of the first adjusting screw (630) is gradually increased from the tip of the first adjusting screw (630) to the tail end of the first adjusting screw (630), so that when the first adjusting screw (630) is screwed into the first screw hole, the distance between the support frame (200) and the base (100) can be enlarged.

8. The adjustment platform of claim 7, wherein the number of the first connecting structures (300) is plural, a plurality of the first connecting structures (300) are arranged along a same straight line, and at least two of the first connecting structures (300) are symmetrical with respect to the light channel;

the number of the first screw holes and the number of the first adjusting screws (630) are two, and the two first screw holes are symmetrically arranged on two sides of the first connecting structures (300) which are arranged along the same straight line.

9. The adjustment platform of claim 8, wherein the base (100) comprises a first layer (110) and a second layer (120) which are arranged at an interval, and the support frame (200) is positioned above the second layer (120); the lower surface of the support frame (200) is connected with the upper surface of the second layer (120) through a first connecting structure (300), and the lower surface of the second layer (120) is connected with the first layer (110) through a second connecting structure (500);

a third concave part (710) is arranged on one surface of the first layer (110) facing the second layer (120), and the third concave part (710) is communicated with the circumferential side wall of the first layer (110); a fourth concave part (720) is arranged on one surface of the second layer (120) facing the first layer (110), and the fourth concave part (720) is communicated with the circumferential side wall of the second layer (120);

the third concave part (710) is opposite to the fourth concave part (720), internal threads are arranged on the third concave part (710) and the fourth concave part (720), and a second screw hole is formed by the third concave part (710) and the fourth concave part (720); the base (100) comprises a second adjusting screw, the diameter of the second adjusting screw is gradually increased from the tip of the second adjusting screw to the tail end of the second adjusting screw, so that the distance between the first layer (110) and the second layer (120) can be increased when the second adjusting screw is screwed into the second screw hole;

10. The adjustment platform of claim 7, wherein the number of the first screw holes and the first adjusting screws (630) is three, and there is a one-to-one correspondence; the three first screw holes are located on the same circle, and the central angles of two adjacent first screw holes are 120 degrees along the circumferential direction of the circle.

11. A reticle laser module comprising the adjustable platform of any one of claims 1-10.