CN211926825U - Fixing device for flatness detection of focusing lens assembly - Google Patents
Fixing device for flatness detection of focusing lens assembly Download PDFInfo
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- CN211926825U CN211926825U CN202022083132.9U CN202022083132U CN211926825U CN 211926825 U CN211926825 U CN 211926825U CN 202022083132 U CN202022083132 U CN 202022083132U CN 211926825 U CN211926825 U CN 211926825U
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- positioner
- rotary device
- focusing lens
- lens assembly
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Abstract
The utility model relates to a laser instrument accessory equipment technical field especially relates to a fixing device that focus mirror subassembly roughness detected usefulness, including base, positioner and rotary device, the base has one and holds the chamber, rotary device is located hold the intracavity, positioner is used for fixed focus mirror subassembly, positioner and rotary device fixed connection, thereby positioner and the lateral wall butt that holds the chamber will hold the chamber and seal, positioner and rotary device cooperate and can be rotation motion relatively the base. The utility model discloses in, the focusing mirror subassembly is fixed on positioner, realizes the rotation through the rotary device cooperation, compares itself and is holding intracavity rotation frictional force littleer, and the rotation effect is more stable, and rotary device is sealed and is holding the intracavity, and reducible rotary device receives external environment and corrodes, effectively improves rotary device's life and operating mass, and the focusing mirror subassembly can stably realize the rotation.
Description
Technical Field
The utility model relates to a laser instrument accessory equipment technical field especially relates to a fixing device that focus mirror subassembly roughness detected usefulness.
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. The focusing mirror assembly needs to be fixed during detection, and meanwhile, the focusing mirror assembly can rotate, and no device with good stability is used for matching detection at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a fixing device that focusing mirror subassembly roughness detected usefulness.
The utility model adopts the following technical scheme: the utility model provides a fixing device that focus mirror subassembly roughness detected usefulness, includes base, positioner and rotary device, the base has one and holds the chamber, rotary device is located hold the intracavity, positioner is used for fixed focus mirror subassembly, positioner and rotary device fixed connection, thereby positioner and the lateral wall butt that holds the chamber will hold the chamber and seal, positioner cooperatees with rotary device and can be rotation motion relatively the base.
Preferably, the rotating device is a bearing and comprises an outer ring, an inner ring and balls, the side wall of the outer ring is fixedly connected with the accommodating cavity, and the inner wall of the inner ring is fixedly connected with the positioning device.
Preferably, the positioning device comprises a top disc and a rotating shaft, the top disc is used for fixing the focusing mirror assembly, and the rotating shaft is located at the lower end of the top disc and is fixedly connected with the inner ring of the rotating device.
Preferably, a first groove is formed in the upper end of the top disc and used for clamping a focusing mirror support of the focusing mirror assembly.
Preferably, the first groove is coaxial with the rotating shaft.
Preferably, the top plate further comprises a rotary handle, a second groove matched with the rotary handle is formed in the side wall of the top plate, and the rotary handle is columnar.
Preferably, the base comprises a chassis, a fixing column and a convex column, the convex column is located at the upper end of the chassis, the accommodating cavity is located in the convex column, the fixing column is located at the lower end of the chassis, and the fixing column is matched with the workbench.
Preferably, a plurality of through holes are formed in the base plate, and the base plate penetrates through the through holes through screws to be fixedly connected with the workbench.
The utility model discloses one of following beneficial effect has at least:
the utility model discloses in, the focusing mirror subassembly is fixed on positioner, realizes the rotation through the rotary device cooperation, compares itself and is holding intracavity rotation frictional force littleer, and the rotation effect is more stable, and rotary device is sealed holding the intracavity, and reducible rotary device receives external environment and corrodes, effectively improves rotary device's life and operating mass, and the focusing mirror subassembly can stably realize the rotation, conveniently carries out the circle and beats the measurement, can effectively improve the detection precision.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is an assembly schematic of the preferred embodiment of the present invention;
fig. 3 is a schematic structural view of a rotating device in a preferred embodiment of the present invention;
fig. 4 is a schematic structural view of a positioning device in a preferred embodiment of the present invention;
FIG. 5 is a schematic structural view of a base in a preferred embodiment of the present invention;
fig. 6 is a front view of the base in the preferred embodiment of the present invention.
Description of reference numerals:
the device comprises a base 10, an accommodating cavity 11, a base 12, a fixing column 13, a convex column 14, a through hole 15, a positioning device 20, a top disc 21, a first groove 211, a rotating handle 212, a second groove 213, a rotating shaft 22, a rotating device 30, a bearing 31, an outer ring 32, an inner ring 33 and balls 34.
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 6, the preferred embodiment of the present invention, a fixing device for flatness detection of a focusing lens assembly, including a base 10, a positioning device 20 and a rotating device 30, the base 10 has a containing cavity 11, the rotating device 30 is located in the containing cavity 11, the positioning device 20 is used for fixing the focusing lens assembly, the positioning device 20 is fixedly connected with the rotating device 30, thereby the positioning device 20 and the side wall butt of the containing cavity 11 will contain the cavity 11 to be sealed, the positioning device 20 and the rotating device 30 are matched to be able to do rotation motion relative to the base 10. The utility model discloses in, focusing mirror subassembly is fixed on positioner 20, realize the rotation through the cooperation of rotary device 30, it is littleer to compare self rotation frictional force in holding chamber 11, the rotation effect is more stable, rotary device 30 is sealed in holding chamber 11, reducible rotary device 30 receives external environment and corrodes, effectively improve rotary device 30's life and operating mass, focusing mirror subassembly can stably realize the rotation, conveniently carry out the circle and beat the measurement, can effectively improve the detection precision.
As a preferred embodiment of the present invention, it may also have the following additional technical features:
the rotating device 30 is a bearing 31 and comprises an outer ring 32, an inner ring 33 and balls 34, the side wall of the outer ring 32 is fixedly connected with the accommodating cavity 11, the inner wall of the inner ring 33 is fixedly connected with the positioning device 20, the inner ring 33 of the bearing 31 rotates through the balls 34, the friction force is small, namely the friction force when the positioning device 20 rotates is small, the outer ring 32 is fixed with the inner wall of the accommodating cavity 11, the bearing 31 is stably connected, and the rotating effect of the positioning device 20 is stable and smooth; in this embodiment, the cross section of the accommodating cavity 11 is adapted to the bearing 31, the bearing 31 is actually clamped at the bottom of the accommodating cavity 11, the outer ring 32 cannot rotate, and the inner ring 33 can rotate relative to the outer ring 32; the structure and the principle of the bearing 31 are well known to those skilled in the art, and therefore, will not be described in detail herein.
The positioning device 20 comprises a top disc 21 and a rotating shaft 22, the top disc 21 is used for fixing a focusing mirror assembly, the rotating shaft 22 is positioned at the lower end of the top disc 21 and fixedly connected with an inner ring 33 of the rotating device 30, the rotating shaft 22 is matched with the inner ring 33, the rotating shaft 22 and the top disc 21 are of an integrated structure, the top disc 21 is rotated, the top disc 21 drives the rotating shaft 22, and the rotating shaft 22 drives the inner ring 33 to rotate relative to an outer ring 32, so that the focusing mirror assembly on the top disc 21 can rotate; in this embodiment, the outer side of the lower end surface of the top plate 21 abuts against the upper end of the side wall of the accommodating chamber 11, and the rotating shaft 22 is located at the lower end of the top plate 21.
The top dish 21 upper end is provided with first recess 211, and first recess 211 is used for the clamping to the focusing mirror support of focusing mirror subassembly, and the focusing mirror support is by the clamping of first recess 211 to make the focusing mirror subassembly fixed on the top dish 21, because the focusing mirror is comparatively fragile, can effectively fix it through the mode of clamping, can guarantee again that the focusing mirror is not damaged.
The first groove 211 is coaxial with the rotating shaft 22, that is, the first groove 211 is coaxial with the inner ring 33, and when the top plate 21 rotates, the focusing mirror assembly located in the first groove 211 also rotates; in this embodiment, the top plate 21 is circular, the rotating shaft 22 is cylindrical, and the cross section of the first groove 211 is circular.
The top plate 21 further comprises a rotating handle 212, a second groove 213 matched with the rotating handle 212 is formed in the side wall of the top plate 21, the rotating handle 212 is columnar, and the rotating handle 212 serves as a force application point and can conveniently push the top plate 21 to rotate; in this embodiment, the rotating handle 212 is parallel to the base 10, so that the rotation of the top plate 21 is more stable and the measurement result is more accurate.
The base 10 comprises a chassis 12, a fixing column 13 and a convex column 14, the convex column 14 is positioned at the upper end of the chassis 12, the accommodating cavity 11 is positioned in the convex column 14, the fixing column 13 is positioned at the lower end of the chassis 12, the fixing column 13 is matched with the workbench, the convex column 14 has a certain height which is equivalent to bearing the positioning device 20, so that the positioning device 20 has a certain height, the positioning device 20 is convenient to rotate, and the fixing column 13 is connected with the workbench, so that the base 10 has a preliminary fixing effect; in this embodiment, the base plate 12 is annular, the convex column 14 is cylindrical, and the fixed column 13 is cylindrical.
The chassis 12 is provided with a plurality of through holes 15, the chassis 12 penetrates through the through holes 15 through screws to be fixedly connected with the workbench, and the chassis 12 can be more stably connected with the workbench through the screw connection, so that the stability of the base 10 is ensured, the shaking is avoided, and the accuracy of circular runout measurement is ensured; in this embodiment, four through holes 15 are provided and are uniformly distributed on the chassis 12.
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 (8)
1. The utility model provides a fixing device that focus lens subassembly roughness detected usefulness, characterized in that, includes base (10), positioner (20) and rotary device (30), base (10) have one and hold chamber (11), rotary device (30) are located hold chamber (11) in, positioner (20) are used for fixed focus lens subassembly, positioner (20) and rotary device (30) fixed connection, thereby positioner (20) and the lateral wall butt that holds chamber (11) will hold chamber (11) and seal, positioner (20) and rotary device (30) cooperate and can be rotation motion relatively base (10).
2. The fixing device for flatness detection of a focusing lens assembly according to claim 1, wherein said rotating device (30) is a bearing (31) comprising an outer ring (32), an inner ring (33) and balls (34), the side wall of said outer ring (32) is fixedly connected with the accommodating cavity (11), and the inner wall of said inner ring (33) is fixedly connected with the positioning device (20).
3. A fixing device for flatness detection of a focusing lens assembly according to claim 2, wherein said positioning device (20) comprises a top plate (21) and a rotating shaft (22), said top plate (21) is used for fixing the focusing lens assembly, said rotating shaft (22) is located at the lower end of the top plate (21) and is fixedly connected with the inner ring (33) of the rotating device (30).
4. A fixing device for flatness detection of a focusing lens assembly according to claim 3, wherein said top plate (21) is provided with a first recess (211) at its upper end, said first recess (211) is used for clipping a focusing lens holder of the focusing lens assembly.
5. A focusing lens assembly flatness detection fixture according to claim 4, characterized in that said first recess (211) is coaxial with the rotation axis (22).
6. The fixing device for detecting the flatness of a focusing lens assembly according to claim 3, wherein the top plate (21) further comprises a rotating handle (212), a second groove (213) matched with the rotating handle (212) is formed in a side wall of the top plate (21), and the rotating handle (212) is cylindrical.
7. The fixing device for detecting the flatness of a focusing lens assembly according to claim 1, wherein the base (10) comprises a base plate (12), a fixing column (13) and a convex column (14), the convex column (14) is located at the upper end of the base plate (12), the accommodating cavity (11) is located in the convex column (14), the fixing column (13) is located at the lower end of the base plate (12), and the fixing column (13) is adapted to the workbench.
8. The fixing device for detecting the flatness of a focusing lens assembly according to claim 7, wherein a plurality of through holes (15) are formed on the base plate (12), and the base plate (12) is fixedly connected with the workbench by penetrating the through holes (15) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022083132.9U CN211926825U (en) | 2020-09-22 | 2020-09-22 | Fixing device for flatness detection of focusing lens assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022083132.9U CN211926825U (en) | 2020-09-22 | 2020-09-22 | Fixing device for flatness detection of focusing lens assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211926825U true CN211926825U (en) | 2020-11-13 |
Family
ID=73320625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022083132.9U Active CN211926825U (en) | 2020-09-22 | 2020-09-22 | Fixing device for flatness detection of focusing lens assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211926825U (en) |
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2020
- 2020-09-22 CN CN202022083132.9U patent/CN211926825U/en active Active
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