CN211926745U

CN211926745U - Focusing mirror subassembly roughness detection device

Info

Publication number: CN211926745U
Application number: CN202022081236.6U
Authority: CN
Inventors: 侯长春; 王兴辉; 张文广
Original assignee: Zhongjiu Optoelectronic Industry Co ltd
Current assignee: Zhongjiu Optoelectronic Industry Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2020-11-13
Anticipated expiration: 2030-09-22

Abstract

The utility model relates to a laser instrument accessory equipment technical field especially relates to a focus lens subassembly roughness detection device, including support, mount pad, amesdial, micromatic setting and positioner, support and mount pad fixed connection, micromatic setting and support fixed connection, the support is used for adjusting the position of micromatic setting on vertical direction and fore-and-aft direction, micromatic setting is used for the small adjustment amesdial to make the gauge head of amesdial and focus lens subassembly's up end butt in the position of vertical direction, positioner is fixed in on the mount pad, positioner is used for fixed focus lens subassembly and can makes focus lens subassembly do the rotation motion. The utility model discloses in, the support is to the amesdial coarse adjustment, with the amesdial focus mirror subassembly of aiming at basically, recycles the position of the fine adjustment amesdial of micromatic setting, makes its gauge head and focus mirror butt, recycles positioner and makes focus mirror subassembly rotation, can accomplish the measurement of focus mirror subassembly circle run-out.

Description

Focusing mirror subassembly roughness detection device

Technical Field

The utility model relates to a laser instrument accessory equipment technical field especially relates to a focusing mirror subassembly roughness detection device.

Background

The focusing mirror assembly is one of important accessories of the laser, the focusing mirror assembly comprises a focusing mirror and a focusing mirror support, the focusing mirror is assembled in the focusing mirror support during assembling of the focusing mirror assembly, the bonding surface is glued and fixed, and the coaxiality requirement of the focusing mirror and the focusing mirror support is required to be ensured during gluing. When the focusing mirror and the focusing mirror support are not coaxial, the unevenness of the focusing mirror relative to the focusing mirror support can be reflected, and the unevenness can be measured by an instrument, so that the coaxiality condition of two parts in the focusing mirror assembly can be indirectly judged by detecting the spherical circle jump of the focusing mirror. At present, a detection instrument on the market cannot meet the use requirement, the assembly quality is manually observed, and unqualified parts can be mixed into products.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a focusing mirror subassembly roughness detection device.

The utility model adopts the following technical scheme: the utility model provides a focus lens subassembly roughness detection device, includes support, mount pad, amesdial, micromatic setting and positioner, support and mount pad fixed connection, micromatic setting and support fixed connection, the support is used for adjusting the position of micromatic setting on vertical direction and fore-and-aft direction, micromatic setting is used for the small probe of adjusting amesdial position messenger amesdial and focus lens subassembly's up end butt in vertical direction, positioner is fixed in on the mount pad, positioner is used for fixed focus lens subassembly and can makes focus lens subassembly do the rotation motion.

Preferably, the support includes X axle, Y axle and Z axle, micromatic setting and X axle fixed connection, Z axle and mount pad fixed connection, Y epaxial first regulation hole and the second regulation hole of being provided with, the Z axle runs through first regulation hole and Y axle and can follow the Z axle and slide, the X axle runs through the second regulation hole and can slide by relative Y axle, Y epaxial still is provided with and is used for restricting Y axle and the gliding first screens device of X axle and second screens device respectively.

Preferably, the first clamping device comprises a first empty groove, a first fastening hole and a first fastening bolt, the first empty groove is perpendicular to the X axis, the left side of the first empty groove is communicated with the first adjusting hole, the upper end, the lower end and the right end of the first empty groove are in an open state, the first fastening hole is parallel to the X axis and penetrates through the first empty groove, and the first fastening bolt is matched with the first fastening hole.

Preferably, the second clamping device comprises a second empty groove, a second fastening hole and a second fastening bolt, the second empty groove is parallel to the X axis, the right side of the second empty groove is communicated with the second adjusting hole, the front end, the rear end and the left end of the second empty groove are in an open state, the second fastening hole is perpendicular to the X axis and penetrates through the second empty groove, and the second fastening bolt is matched with the second fastening hole.

Preferably, the fine setting device includes slide rail, slider, pinion rack, fine setting gear and fine setting knob, slide rail and X axle fixed connection, slider and slide rail are at vertical direction sliding connection, the preceding lateral wall and the amesdial fixed connection of slider, the left side wall fixed connection of pinion rack and slider, be provided with the rack on the pinion rack, the gear pair is constituteed with the fine setting gear to the rack, fine setting knob is used for controlling fine setting gear and rotates.

Preferably, the slide rail is provided with a sliding groove, the slide block is provided with a sliding column matched with the sliding groove, the side wall of the sliding groove is provided with a first positioning hole communicated with the sliding groove and a first positioning bolt matched with the first positioning hole, and the first positioning bolt is abutted to the sliding column in the sliding groove.

Preferably, the fine setting knob includes turn round and pivot, the side of slide rail is provided with the screens hole with pivot looks adaptation, the pivot runs through the screens hole and can rotate in the screens downthehole, the one end at the pivot is fixed to the fine setting gear, the other end at the pivot is fixed to the turn round.

Preferably, positioner includes base, bearing and accepting the platform, base and mount pad fixed connection, it holds the chamber to have one on the base, the bearing is located and holds the intracavity, the outer loop of bearing and the inner wall fixed connection who holds the chamber, the upper end of accepting the platform is used for fixed focusing mirror assembly, thereby it will hold the chamber and seal to accept the platform and the lateral wall butt that holds the chamber, the lower extreme of accepting the platform and the inner ring fixed connection of bearing, the rotation motion can be done to the base relatively with the bearing cooperation to the accepting the platform.

Preferably, the supporting platform comprises a top disc and a rotary column, a clamping groove is formed in the upper end of the top disc and used for clamping a focusing mirror support of a focusing mirror assembly, the rotary column is located at the lower end of the top disc and fixedly connected with an inner ring of a bearing, and the clamping groove and the rotary column are coaxial.

Preferably, a rotary handle is arranged at the side end of the top disc, and the rotary handle is columnar and is fixedly connected with the top disc.

The utility model discloses one of following beneficial effect has at least:

the utility model discloses in, amesdial fixed connection is on micromatic setting, carry out the coarse adjustment by the support to micromatic setting's position, when aiming at the focusing mirror subassembly on the positioner basically with the amesdial, reuse micromatic setting and carry out the position of fine adjustment amesdial, make its gauge head and focusing mirror butt, utilize positioner to make focusing mirror subassembly rotation at last, can accomplish the measurement that focusing mirror subassembly circle is beated, the mode of fine setting after the coarse adjustment earlier can be accurate messenger's amesdial and focusing mirror butt fast, and can effective control gauge head push down the distance, thereby the crimping degree of control gauge head and focusing mirror makes gauge head and focusing mirror effective crimping, guarantee the utility model discloses circle is beated measuring precision.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the connection between the bracket and the mounting base according to the preferred embodiment of the present invention;

FIG. 3 is a schematic structural view of the Y-axis in the preferred embodiment of the present invention;

FIG. 4 is a schematic structural view of a fine adjustment device according to a preferred embodiment of the present invention;

FIG. 5 is a schematic side view of a fine adjustment device according to a preferred embodiment of the present invention;

fig. 6 is a schematic structural view of a slide rail according to a preferred embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a slider according to a preferred embodiment of the present invention;

FIG. 8 is a schematic structural view of a fine adjustment knob according to a preferred embodiment of the present invention;

fig. 9 is a schematic structural view of a positioning device in a preferred embodiment of the present invention;

FIG. 10 is a schematic view of the positioning device of the preferred embodiment of the present invention;

FIG. 11 is a front view of the base in the preferred embodiment of the present invention;

fig. 12 is a schematic structural view of a bearing according to a preferred embodiment of the present invention;

fig. 13 is a schematic structural view of a receiving platform according to a preferred embodiment of the present invention.

Description of reference numerals:

10 brackets, 11X shafts, 12Y shafts, 121 first adjusting holes, 122 second adjusting holes, 123 first clamping devices, 1231 first empty grooves, 1232 first fastening holes, 1233 first fastening bolts, 124 second clamping devices, 1241 second empty grooves, 1242 second fastening holes, 1243 second fastening bolts, 13Z shafts, 20 fine adjusting devices, 21 sliding rails, 211 sliding grooves, 212 first positioning holes, 213 first positioning bolts, 214 clamping holes, 22 sliding blocks, 221 sliding columns, 222 second positioning holes and 223 second positioning bolts, the device comprises a toothed plate 23, a rack 231, a fine adjustment gear 24, a fine adjustment knob 25, a rotary head 251, a rotary shaft 252, a convex ring 253, a blocking ring 254, a small convex column 255, a positioning device 30, a base 31, an accommodating cavity 311, a base plate 312, a fixed column 313, a convex column 314, a through hole 315, a bearing 32, a bearing platform 33, a top plate 331, a rotary column 332, a clamping groove 333, a rotary handle 334, a mounting seat 40 and a dial indicator 50.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

In the description of the present invention, it is to be understood that the terms "center, longitudinal, transverse, length, width, thickness, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer, clockwise, counterclockwise" and the like refer to the orientation or positional relationship as shown in the drawings, which is only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

Referring to fig. 1 to 13, the utility model discloses a preferred embodiment, a focusing mirror subassembly roughness detection device, which comprises a bracket 10, mount pad 40, amesdial 50, micromatic setting 20 and positioner 30, support 10 and mount pad 40 fixed connection, micromatic setting 20 and support 10 fixed connection, support 10 is used for adjusting micromatic setting 20 in vertical direction and the ascending position of fore-and-aft direction, micromatic setting 20 is used for the position of small adjustment amesdial 50 in vertical direction to make the gauge head of amesdial 50 and the up end butt of focusing mirror subassembly, positioner 30 is fixed in on the mount pad 40, positioner 30 is used for fixed focusing mirror subassembly and can makes the focusing mirror subassembly do the rotation motion. The utility model discloses in, 50 fixed connection of amesdial are on micromatic setting 20, carry out the coarse tune by support 10 to micromatic setting 20's position, when aiming at the focusing mirror subassembly on positioner 30 basically with amesdial 50, reuse micromatic setting 20 and carry out the position of fine adjustment amesdial 50, make its gauge head and focusing mirror butt, utilize positioner 30 to make focusing mirror subassembly rotation at last, can accomplish the measurement that focusing mirror subassembly circle is beated, the mode of fine tuning behind the earlier coarse tune can be quick accurate messenger amesdial 50 and focusing mirror butt, and can effective control gauge head distance of pushing down, thereby control the crimping degree of gauge head and focusing mirror, make gauge head and focusing mirror effective crimping, guarantee the utility model discloses circle is beated measuring precision.

As a preferred embodiment of the present invention, it may also have the following additional technical features:

the bracket 10 comprises an X shaft 11, a Y shaft 12 and a Z shaft 13, the fine adjustment device 20 is fixedly connected with the X shaft 11, the Z shaft 13 is fixedly connected with the mounting seat 40, the Y shaft 12 is provided with a first adjustment hole 121 and a second adjustment hole 122, the Z shaft 13 penetrates through the first adjustment hole 121, the Y shaft 12 can slide along the Z shaft 13, the X shaft 11 penetrates through the second adjustment hole 122 and can slide relative to the Y shaft 12, the Y shaft 12 is further provided with a first clamping device 123 and a second clamping device 124 which are used for respectively limiting the sliding of the Y shaft 12 and the X shaft 11, the position of the dial indicator 50 in the vertical direction can be preliminarily adjusted by sliding the Y shaft 12 along the Z shaft 13, the position of the dial indicator 50 in the front and back direction can be adjusted by sliding the X shaft 11 along the Y shaft 12, and the position of the dial indicator 50 in the left and right direction can also be adjusted by rotating the Y shaft 12 around the Z shaft 13 through the first; in the present invention, usually, the position and direction of the Y axis 12 on the Z axis 13 are firstly adjusted, then the Y axis 12 and the Z axis 13 are fixed by the first position-clamping device 123, then the position of the X axis 11 on the Y axis 12 is adjusted, and finally the X axis 11 is fixed on the Y axis 12 by the second position-clamping device 124, so as to complete the preliminary position adjustment of the dial indicator 50; in this embodiment, the first adjustment hole 121 extends longitudinally through the Y-axis 12, and the second adjustment hole 122 extends transversely through the Y-axis 12.

The first clamping device 123 includes a first empty slot 1231, a first fastening hole 1232 and a first fastening bolt 1233, the first empty slot 1231 is perpendicular to the X-axis 11, the left side of the first empty slot 1231 is communicated with the first adjusting hole 121, the upper end, the lower end and the right end of the first empty slot 1231 are open, the first fastening hole 1232 is parallel to the X-axis 11 and penetrates through the first empty slot 1231, the first fastening bolt 1233 is matched with the first 123fastening hole 2, the first empty slot 1231 can be slightly deformed by the fastening pressure of the first fastening bolt 1233, the first empty slot 1231 is communicated with the first adjusting hole 121, and accordingly the first adjusting hole 121 is deformed and contracted, so that the Z-axis 13 in the first adjusting hole 121 is fixed; in this embodiment, the inner wall of the first fastening hole 1232 is provided with a thread adapted to the first fastening bolt 1233, and the first empty slot 1231 is a square cavity as a whole.

The second clamping device 124 comprises a second empty slot 1241, a second fastening hole 1242 and a second fastening bolt 1243, the second empty slot 1241 is parallel to the X-axis 11 and the right side thereof is communicated with the second adjusting hole 122, the front end, the rear end and the left end of the second empty slot 1241 are in an open state, the second fastening hole 1242 is perpendicular to the X-axis 11 and penetrates through the second empty slot 1241, the second fastening bolt 1243 is adapted to the second fastening hole 1242, the second empty slot 1241 can be slightly deformed by the fastening pressure of the second fastening bolt 1243, and the second empty slot 1241 is communicated with the second adjusting hole 122, so that the second adjusting hole 122 is deformed and contracted to fix the X-axis 11 in the second adjusting hole 122; in this embodiment, the inner wall of the second fastening hole 1242 is provided with a thread adapted to the second fastening bolt 1243, and the second empty slot 1241 is a square cavity as a whole.

The fine adjustment device 20 comprises a slide rail 21, a slide block 22, a toothed plate 23, a fine adjustment gear 24 and a fine adjustment knob 25, the slide rail 21 is fixedly connected with the X-axis 11, the slide block 22 is slidably connected with the slide rail 21 in the vertical direction, the front side wall of the slide block 22 is fixedly connected with the dial indicator 50, the toothed plate 23 is fixedly connected with the left side wall of the slide block 22, a toothed rack 231 is arranged on the toothed plate 23, the toothed rack 231 and the fine adjustment gear 24 form a gear pair, the fine adjustment knob 25 is used for controlling the fine adjustment gear 24 to rotate, the slide block 22 is slidably connected with the slide rail 21 to manually fine adjust the position of the dial indicator 50, the fine adjustment knob 25 is adjusted to rotate the fine adjustment gear 24, so that the toothed plate 23 moves upwards or downwards, and finally the slide block 22 slides along the slide rail 21, fine adjustment of the dial indicator 50 in the vertical direction can be realized; in this embodiment, the precision of the gear pair formed by the rack 231 and the fine adjustment gear 24 is sufficient to meet the requirement of fine adjustment of the dial indicator 50; in this embodiment, the slider 22 is provided with three second positioning holes 222 and three second positioning bolts 223, the tooth plate 23 is provided with corresponding grooves with threads, and the second positioning bolts 223 penetrate through the second positioning holes 222 and are embedded into the grooves to fixedly connect the slider 22 and the tooth plate 23.

A sliding groove 211 is arranged on the sliding rail 21, a sliding column 221 matched with the sliding groove 211 is arranged on the sliding block 22, a first positioning hole 212 communicated with the sliding groove 211 and a first positioning bolt 213 matched with the first positioning hole 212 are arranged on the side wall of the sliding groove 211, the first positioning bolt 213 is abutted against the sliding column 221 in the sliding groove 211, the sliding block 22 can slide on the sliding rail 21 due to the matching of the sliding column 221 and the sliding groove 211, and the relative movement of the sliding block 22 and the sliding rail 21 can be limited by tightly pressing the sliding column 221 by the first positioning bolt 213; in this embodiment, the cross section of the sliding groove 211 is a dovetail shape with a wide groove bottom and a narrow groove opening, and the dovetail-shaped sliding groove 211 can limit the sliding column 221 in the front-back direction, so that the sliding column cannot fall off in the front-back direction and can only move in the vertical direction.

The fine adjustment knob 25 comprises a rotary head 251 and a rotary shaft 252, a clamping hole 214 matched with the rotary shaft 252 is formed in the side end of the slide rail 21, the rotary shaft 252 penetrates through the clamping hole 214 and can rotate in the clamping hole 214, the fine adjustment gear 24 is fixed at one end of the rotary shaft 252, the rotary head 251 is fixed at the other end of the rotary shaft 252, the clamping hole 214 can clamp and fix the fine adjustment knob 25, the rotary head 251 is rotated, and the rotary head 251 drives the rotary shaft 252 to rotate, so that the fine adjustment gear 24 rotates, and fine position adjustment of the slide block 22 is finally achieved; in this embodiment, the rotating shaft 252 is provided with a convex ring 253, the outer diameter of the convex ring 253 is consistent with the inner diameter of the locking hole 214, the rotating head 251 is tightly attached to one side of the locking hole 214, and the other side of the locking hole 214 is provided with a blocking ring 254, so that the convex ring 253 can be stably rotated in the locking hole 214 without moving back and forth; the tail end of the rotating shaft 252 is provided with a small convex column 255, the inner diameter of the fine adjustment gear 24 is matched with the diameter of the small convex column 255, the diameter of the small convex column 255 is smaller than that of the rotating shaft 252, one side of the fine adjustment gear 24 is abutted against the main body side end of the rotating shaft 252, the other end of the fine adjustment gear is provided with a blocking ring 254, the fine adjustment gear 24 is fixed on the rotating shaft 252, the blocking ring 254 is an opening circular ring, and the opening end is used for locking a cylinder in the ring.

The positioning device 30 comprises a base 31, a bearing 32 and a bearing table 33, the base 31 is fixedly connected with a mounting seat 40, the base 31 is provided with a containing cavity 311, the bearing 32 is positioned in the containing cavity 311, an outer ring of the bearing 32 is fixedly connected with an inner wall of the containing cavity 311, the upper end of the bearing table 33 is used for fixing the focusing mirror assembly, the bearing table 33 is abutted against the side wall of the containing cavity 311 so as to seal the containing cavity 311, the lower end of the bearing table 33 is fixedly connected with an inner ring of the bearing 32, the bearing table 33 is matched with the bearing 32 to be capable of rotating relative to the base 31, the bearing table 33 rotates by utilizing the bearing 32, the friction force in the containing cavity 311 is smaller relative to the bearing, the rotating effect is more stable, the bearing 32 is sealed in the containing cavity 311, the corrosion damage caused by the external environment can be reduced, the service life of the bearing 32 is effectively prolonged, the working quality is ensured, and the rotating of, the circular runout measurement is convenient, and the detection precision can be effectively improved; in this embodiment, the outer ring of the bearing 32 is exactly matched with the accommodating cavity 311, the bearing 32 is clamped at the bottom of the accommodating cavity 311, so that the outer ring is fixed, the inner ring can rotate relative to the outer ring, and the structure and the principle of the bearing 32 are well known to those skilled in the art, and therefore, detailed description thereof is omitted.

In this embodiment, the base 31 includes a chassis 312, a fixing column 313 and a protruding column 314, the protruding column 314 is located at the upper end of the chassis 312, the accommodating cavity 311 is located in the protruding column 314, the fixing column 313 is located at the lower end of the chassis 312, the fixing column 313 is adapted to the mounting seat 40, the protruding column 314 has a certain height, which is equivalent to supporting the receiving platform 33, so that the receiving platform 33 has a certain height, which facilitates the rotation of the receiving platform 33, and the fixing column 313 is connected to the mounting seat 40, so that the base 31 has a preliminary fixing effect; in this embodiment, the base plate 312 is annular, the protruding column 314 is cylindrical, and the fixing column 313 is cylindrical; the chassis 312 is provided with a plurality of through holes 315, and the chassis 312 is fixedly connected with the mounting base 40 by penetrating through the through holes 315 through screws, so that the base 31 cannot shake, and the accuracy of circular run-out measurement is ensured; in this embodiment, four through holes 315 are provided and are uniformly distributed on the bottom plate 312.

The bearing table 33 comprises a top disc 331 and a rotary column 332, a clamping groove 333 is arranged at the upper end of the top disc 331, the clamping groove 333 is used for clamping a focusing lens support of a focusing lens assembly, the rotary column 332 is positioned at the lower end of the top disc 331, the rotary column 332 is fixedly connected with an inner ring of the bearing 32, the clamping groove 333 and the rotary column 332 are coaxial, the top disc 331 is rotated, the top disc 331 drives the rotary column 332, the rotary column 332 drives the inner ring to rotate relative to an outer ring, and therefore the focusing lens assembly in the clamping groove 333 rotates; in this embodiment, the outer side of the lower end surface of the top plate 331 abuts against the upper end of the side wall of the accommodating cavity 311, and the clamping groove 333 is fixed with the focusing mirror bracket through clamping, so that the focusing mirror can be prevented from being damaged due to other fixing modes; in this embodiment, the top plate 331 is circular and the rotating post 332 is cylindrical.

A rotary handle 334 is arranged at the side end of the top disc 331, the rotary handle 334 is columnar and is fixedly connected with the top disc 331, and the rotary handle 334 can be used as a force application point to conveniently apply external force to push the top disc 331 to rotate; in this embodiment, the rotary knob 334 is horizontally disposed.

The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.

The above is only the preferred embodiment of the present invention, as long as the technical solution of the purpose of the present invention is realized by the substantially same means, all belong to the protection scope of the present invention.

Claims

1. The utility model provides a focus lens subassembly roughness detection device, characterized in that, includes support (10), mount pad (40), amesdial (50), micromatic setting (20) and positioner (30), support (10) and mount pad (40) fixed connection, micromatic setting (20) and support (10) fixed connection, support (10) are used for adjusting micromatic setting (20) position on vertical direction and fore-and-aft direction, micromatic setting (20) are used for the position of small adjustment amesdial (50) in vertical direction to make the gauge head of amesdial (50) and focus lens subassembly's up end butt, positioner (30) are fixed in on mount pad (40), positioner (30) are used for fixed focus lens subassembly and can make focus lens subassembly do rotation motion.

2. The device for detecting the flatness of a focusing lens assembly according to claim 1, wherein the support (10) comprises an X axis (11), a Y axis (12) and a Z axis (13), the fine-tuning device (20) is fixedly connected with the X axis (11), the Z axis (13) is fixedly connected with the mounting base (40), the Y axis (12) is provided with a first adjusting hole (121) and a second adjusting hole (122), the Z axis (13) penetrates through the first adjusting hole (121) and the Y axis (12) can slide along the Z axis (13), the X axis (11) penetrates through the second adjusting hole (122) and can slide relative to the Y axis (12), and the Y axis (12) is further provided with a first clamping device (123) and a second clamping device (124) for respectively limiting the Y axis (12) and the X axis (11) from sliding.

3. The focusing lens assembly flatness detecting device according to claim 2, wherein the first clamping device (123) includes a first empty slot (1231), a first fastening hole (1232) and a first fastening bolt (1233), the first empty slot (1231) is perpendicular to the X-axis (11) and the left side is communicated with the first adjusting hole (121), the upper end, the lower end and the right end of the first empty slot (1231) are open, the first fastening hole (1232) is parallel to the X-axis (11) and penetrates through the first empty slot (1231), and the first fastening bolt (1233) is matched with the first fastening hole (1232).

4. The device for detecting the flatness of a focusing lens assembly according to claim 2, wherein the second clamping device (124) comprises a second hollow groove (1241), a second fastening hole (1242) and a second fastening bolt (1243), the second hollow groove (1241) is parallel to the X-axis (11) and the right side of the second hollow groove is communicated with the second adjusting hole (122), the front end, the rear end and the left end of the second hollow groove (1241) are in an open state, the second fastening hole (1242) is perpendicular to the X-axis (11) and penetrates through the second hollow groove (1241), and the second fastening bolt (1243) is matched with the second fastening hole (1242).

5. The focusing mirror assembly flatness detecting device according to claim 2, wherein the fine adjusting device (20) comprises a sliding rail (21), a sliding block (22), a toothed plate (23), a fine adjusting gear (24) and a fine adjusting knob (25), the sliding rail (21) is fixedly connected with the X-axis (11), the sliding block (22) is slidably connected with the sliding rail (21) in the vertical direction, a front side wall of the sliding block (22) is fixedly connected with the dial indicator (50), the toothed plate (23) is fixedly connected with a left side wall of the sliding block (22), a rack (231) is arranged on the toothed plate (23), the rack (231) and the fine adjusting gear (24) form a gear pair, and the fine adjusting knob (25) is used for controlling the fine adjusting gear (24) to rotate.

6. The focusing lens assembly flatness detecting device according to claim 5, wherein a sliding groove (211) is arranged on the sliding rail (21), a sliding column (221) matched with the sliding groove (211) is arranged on the sliding block (22), a first positioning hole (212) communicated with the sliding groove (211) and a first positioning bolt (213) matched with the first positioning hole (212) are arranged on a side wall of the sliding groove (211), and the first positioning bolt (213) is abutted to the sliding column (221) in the sliding groove (211).

7. The focusing lens assembly flatness detecting device according to claim 5, wherein the fine adjustment knob (25) includes a rotary head (251) and a rotary shaft (252), a position locking hole (214) matched with the rotary shaft (252) is disposed at a side end of the slide rail (21), the rotary shaft (252) penetrates through the position locking hole (214) and can rotate in the position locking hole (214), the fine adjustment gear (24) is fixed at one end of the rotary shaft (252), and the rotary head (251) is fixed at the other end of the rotary shaft (252).

8. The device for detecting the flatness of a focusing lens assembly according to claim 1, wherein the positioning device (30) comprises a base (31), a bearing (32) and a receiving platform (33), the base (31) is fixedly connected with the mounting seat (40), the base (31) is provided with a receiving cavity (311), the bearing (32) is located in the receiving cavity (311), an outer ring of the bearing (32) is fixedly connected with an inner wall of the receiving cavity (311), an upper end of the receiving platform (33) is used for fixing the focusing lens assembly, the receiving platform (33) is abutted against a side wall of the receiving cavity (311) so as to seal the receiving cavity (311), a lower end of the receiving platform (33) is fixedly connected with an inner ring of the bearing (32), and the receiving platform (33) is matched with the bearing (32) and can perform rotation movement relative to the base (31).

9. The device for detecting the flatness of the focusing lens assembly according to claim 8, wherein the receiving platform (33) comprises a top plate (331) and a rotary column (332), a clamping groove (333) is arranged at the upper end of the top plate (331), the clamping groove (333) is used for clamping a focusing lens bracket of the focusing lens assembly, the rotary column (332) is arranged at the lower end of the top plate (331), the rotary column (332) is fixedly connected with the inner ring of the bearing (32), and the clamping groove (333) is coaxial with the rotary column (332).

10. A focusing lens assembly flatness detecting apparatus according to claim 9, wherein a rotary knob (334) is provided at a side end of said top plate (331), and said rotary knob (334) is columnar and fixedly connected to said top plate (331).