CN108673441B - Plane repairing one-dimensional adjusting device for large-caliber aspheric optical element - Google Patents
Plane repairing one-dimensional adjusting device for large-caliber aspheric optical element Download PDFInfo
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- CN108673441B CN108673441B CN201810713421.7A CN201810713421A CN108673441B CN 108673441 B CN108673441 B CN 108673441B CN 201810713421 A CN201810713421 A CN 201810713421A CN 108673441 B CN108673441 B CN 108673441B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 20
- -1 polytetrafluoroethylene Polymers 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 3
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/10—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting holders for tool or work
Abstract
The invention provides a one-dimensional adjusting device which enables a plane to be parallel to a horizontal plane when a plane of a large-caliber aspheric optical element is reworked. The plane repairing one-dimensional adjusting device for the large-caliber aspheric optical element comprises a one-dimensional adjusting component, a platform and an element fixing and installing component; the one-dimensional adjusting assembly is matched with the bottom surface of the platform and comprises a base, a wedge adjusting mechanism and a rotating mechanism, wherein the wedge adjusting mechanism and the rotating mechanism are distributed on two opposite sides of the base, and the wedge adjusting mechanism drives the rotating mechanism to rotate so that the platform rotates around the rotating mechanism to form an included angle with a horizontal plane; the element fixing and mounting assembly is connected with the upper surface of the platform. According to the invention, the relative positions of the wedge blocks and the cross beam are adjusted, so that the rotary mechanism rotates, one-dimensional adjustment of the platform is realized, and the plane is kept horizontal in the direction perpendicular to the feeding direction during plane repair of the large-caliber aspheric element, so that the processed plane can meet the surface shape requirement.
Description
Technical Field
The invention relates to the field of optical ultra-precise machining, in particular to a one-dimensional adjusting device for plane repairing machining of a large-caliber aspheric element.
Background
When processing a large-caliber aspheric element, a general process is to process a plane first and then process the aspheric surface, but if the plane is damaged in the process of processing the aspheric surface, or the plane needs to be repaired after the aspheric surface is processed due to other reasons, but in the installation process, the aspheric surface of the processing element and the aspheric surface of the backboard cannot be completely attached, a certain angle exists between the plane and the horizontal plane due to the caused installation error, the angle of the feeding direction of a machine tool can generate an inclined plane numerical control program with a corresponding angle for processing, the influence of the angle is removed, but the angle perpendicular to the feeding direction of the machine tool has no method to remove the influence of the angle by utilizing the numerical control program on the premise of not affecting the surface shape of the plane.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a one-dimensional adjusting device which enables a plane to be parallel to a horizontal plane when the plane of a large-caliber aspheric optical element is reworked.
The technical scheme adopted for solving the technical problems is as follows: the plane repairing one-dimensional adjusting device for the large-caliber aspheric optical element comprises a one-dimensional adjusting component, a platform and an element fixing and installing component;
the one-dimensional adjusting assembly is matched with the bottom surface of the platform and comprises a base, a wedge adjusting mechanism and a rotating mechanism, wherein the wedge adjusting mechanism and the rotating mechanism are distributed on two opposite sides of the base, and the wedge adjusting mechanism drives the rotating mechanism to rotate so that the platform rotates around the rotating mechanism to form an included angle with a horizontal plane;
the element fixing and mounting assembly is connected with the upper surface of the platform.
Further, the base comprises a base body and side fastening means, which are fixed on four sides of the base body to ensure that the platform remains stationary in the horizontal position of the base, so that the platform does not move in the horizontal direction.
Further, the side fastening device comprises a side fastening block and a side fastening adjusting screw, the side fastening block is in threaded connection with the base body of the base, the side fastening adjusting screw is arranged at the upper end of the side fastening block, and the side fastening adjusting screws in 4 directions can be tightly attached to the side wall of the platform through adjusting the side fastening adjusting screws in 4 directions, so that the platform is kept fixed on the horizontal position of the base.
Further, there are two kinds of side fastening blocks, one of which has 4 kinds, and is respectively disposed on 2 opposite sides of the base body, and the other has 2 kinds, and is respectively disposed on the remaining 2 sides of the base body.
Further, the four corners of the base body are respectively provided with a stand column, the stand columns are respectively matched with the wedge adjusting mechanism connecting plate and the slewing mechanism connecting plate, and the stand columns are provided with a protective cover.
Furthermore, the upright post is matched with the base body through a pin, and a certain distance is reserved between the upright post and the wedge adjusting mechanism connecting plate and between the upright post and the rotating mechanism connecting plate, so that the wedge adjusting mechanism connecting plate and the rotating mechanism connecting plate are prevented from colliding with the upright post when the platform rotates; the protection cover is in threaded connection with the upright post, and the number of the protection covers is 2, and the periphery of the wedge adjusting mechanism and the rotary mechanism is covered respectively.
Further, a handle is further arranged on the base body, the handle comprises a handle connecting block and a handle connecting rod, the handle connecting block is in threaded connection with the base body, and the handle connecting rod is arranged between the two handle connecting blocks.
Further, the wedge adjusting mechanism comprises an adjusting screw, an adjusting fixing block, a wedge adjusting mechanism base, a cross beam, a wedge and a wedge adjusting mechanism connecting plate, wherein the adjusting fixing block is in threaded connection with a base body, the wedge adjusting mechanism base is in threaded connection with the base body, the wedge adjusting mechanism base is tightly attached to the cross beam, the adjusting screw is in threaded connection with the cross beam, the cross beam is tightly attached to the wedge, the wedge is connected with the wedge adjusting mechanism connecting plate, the wedge adjusting mechanism connecting plate is in threaded connection with the platform, the position of the cross beam relative to the base body is adjusted through rotating the adjusting screw, so that the vertical position of the wedge is changed, and the movement of the wedge in the vertical direction drives the slewing mechanism to rotate, so that the platform rotates around the slewing mechanism to form an included angle with a horizontal plane.
Furthermore, the number of the wedges is 3, the wedges are respectively arranged at two ends and the middle position of one side edge of the base body, the wedge adjusting mechanism base and the wedge adjusting mechanism connecting plate are matched with the wedges, the number of the wedges is also 3, the cross beam penetrates through the space between the 3 wedge adjusting mechanism bases and the 3 wedges, and the adjusting screw is arranged at the middle position of the cross beam.
Further, the swing mechanism comprises a lower swing mechanism base, a swing shaft nut, a swing shaft, an upper swing mechanism base and a swing mechanism connecting plate, wherein the lower swing mechanism base is in threaded connection with a base body of the base, the lower swing mechanism base is hinged with the upper swing mechanism base through the swing shaft, the upper swing mechanism base is in threaded connection with the swing mechanism connecting plate, the swing mechanism connecting plate is in threaded connection with the platform, and the two ends of the swing shaft limit axial movement of the swing shaft through the swing shaft nut.
Further, the component fixed mounting assembly comprises a component mounting plate and a stop block, the component mounting plate is in threaded connection with the platform, the stop block comprises a stop block base body, a stop block adjusting screw and a polytetrafluoroethylene block, the stop block base body is in threaded connection with the component mounting plate, the stop block adjusting screw is arranged at the upper end of the stop block base body, the distance between the polytetrafluoroethylene block and the stop block base body can be adjusted by adjusting the stop block adjusting screw, and the component can be fastened.
Further, the stop block comprises two types, namely a back plate and a fastening element, used for fastening different sides of the back plate and the element; the stopper is opened there is the U-shaped groove, the U-shaped groove of component mounting panel and stopper passes through bolted connection, and adjusting bolt's position on the U-shaped groove is in order to adapt to the fastening of the component of different bore.
Further, an extension spring is further arranged between the bottom surface of the platform and the base matrix of the base, and the extension spring provides a pretightening force to enable the platform to be tightly matched with the one-dimensional adjusting assembly, so that the platform is prevented from moving in the vertical direction of the one-dimensional adjusting assembly.
Further, one end of the extension spring is connected with the bottom surface of the platform, the other end of the extension spring is connected with an extension spring connecting block, and the extension spring connecting block is connected to the base body.
Furthermore, the platform is a platform with a honeycomb structure, so that the deformation of the platform is small, and the upper surface and the lower surface of the platform are ensured to be parallel.
The beneficial effects of the invention are as follows: the relative positions of the wedge blocks and the cross beam are adjusted to enable the slewing mechanism to rotate, one-dimensional adjustment of the platform is achieved, and the plane is kept horizontal in the direction perpendicular to the feeding direction when the plane of the large-caliber aspheric element is repaired; the four side edges adopt side edge fastening devices, so that the horizontal positioning precision of the platform and the horizontal mounting rigidity of the element can be improved; the vertical positioning precision of the platform and the vertical installation rigidity of the element can be improved by adopting the extension spring; the positions of the stop block and the element mounting plate are variable and suitable for elements with various calibers, meanwhile, the polytetrafluoroethylene block can protect the elements from being damaged in the mounting and processing process, and the stop block can fasten the elements by adjusting the screws, so that the horizontal and vertical mounting rigidity of the elements is further improved; the adjustment accuracy can be increased by using an adjustment screw with a smaller pitch. The one-dimensional adjusting device can enable the plane of the large-caliber aspheric element to be parallel to the horizontal plane, so that the processed plane can meet the surface shape requirement, and meanwhile, the one-dimensional adjusting device is simple in structure, high in rigidity, high in adjusting precision and easy to carry.
Drawings
Fig. 1 is a perspective view of the device of the present invention.
Fig. 2 is a perspective view of fig. 1 without the shield.
Fig. 3 is a front view of a one-dimensional adjustment assembly of the present invention.
Fig. 4 is a cross-sectional view A-A of fig. 3.
FIG. 5 is a sectional view of B-B of FIG. 3
Fig. 6 is a front view of the component mounting assembly of the present invention.
Fig. 7 is a top view of fig. 6.
Detailed Description
As shown in fig. 1 to 7, the one-dimensional adjusting device of the present invention includes a one-dimensional adjusting assembly, which is engaged with the bottom surface of the stage 20, a stage 20, and an element fixing and mounting assembly, which is screw-coupled with the upper surface of the stage 20.
The one-dimensional adjusting assembly comprises a base, a wedge adjusting mechanism and a rotating mechanism, wherein the wedge adjusting mechanism and the rotating mechanism are distributed on two opposite sides of the base, as shown in figures 1-3.
The base comprises a base body 6 and side fastening means. The side fastening means are screwed to the four sides of the base body 6. The side fastening device comprises a side fastening block 3 and a side fastening adjusting screw 2, the side fastening block 3 is in threaded connection with a base body 6, the side fastening adjusting screw 2 is arranged at the upper end of the side fastening block 3, and the side fastening adjusting screws 2 in 4 directions can be tightly attached to the side wall of the platform 20 through adjusting the side fastening adjusting screws 2 in 4 directions, so that the platform 20 is kept fixed at the horizontal position of the base, and the platform 20 cannot move in the horizontal direction of the one-dimensional adjusting component.
As shown in fig. 3-4, the wedge adjusting mechanism comprises an adjusting screw 4, an adjusting fixing block 5, a wedge adjusting mechanism base 7, a cross beam 8, a wedge 9 and a wedge adjusting mechanism connecting plate 1, wherein the adjusting fixing block 5 is in threaded connection with a base body 6, the wedge adjusting mechanism base 7 is in threaded connection with the base body 6, the wedge adjusting mechanism base 7 is tightly attached to the cross beam 8, the adjusting screw 4 is in threaded connection with the cross beam 8, the cross beam 8 is tightly attached to the wedge 9, the wedge 9 is in threaded connection with the wedge adjusting mechanism connecting plate 1, and the wedge adjusting mechanism connecting plate 1 is in threaded connection with a platform 20.
The number of the wedge blocks 9 is 3, the wedge blocks 9 are respectively arranged at two ends and the middle position of one side edge of the base body 6, as shown in fig. 4, meanwhile, the number of the wedge block adjusting mechanism base 7 and the wedge block adjusting mechanism connecting plate 1 are 3, the cross beam 8 is arranged between the 3 wedge block adjusting mechanism bases 7 and the 3 wedge blocks 9 in a penetrating mode, and therefore the overall rigidity of the cross beam 8 can be guaranteed, friction force between the wedge blocks 9 and the cross beam 8 cannot be increased, adjusting difficulty is increased, and the adjusting screw 4 is arranged at the middle position of the cross beam 8. During operation, the position of the cross beam 8 relative to the base body 6 can be adjusted by rotating the adjusting screw 4, so that the vertical position of the wedge block 9 is changed, and the movement of the wedge block 9 in the vertical direction drives the slewing mechanism to rotate, so that the platform 20 rotates around the slewing mechanism to form an included angle with the horizontal plane.
As shown in fig. 3 and 5, the swing mechanism comprises a lower swing mechanism base 14, a swing shaft nut 15, a swing shaft 16, an upper swing mechanism base 17 and a swing mechanism connecting plate 18, wherein the lower swing mechanism base 14 is in threaded connection with the base body 6, the lower swing mechanism base 14 is hinged with the upper swing mechanism base 17 through the swing shaft 16, the upper swing mechanism base 17 is in threaded connection with the swing mechanism connecting plate 18, the swing mechanism connecting plate 18 is in threaded connection with the platform 20, and the two ends of the swing shaft 16 limit the axial movement of the swing mechanism through the swing shaft nut 15. The number of the lower base 14 of the slewing mechanism and the number of the upper base 17 of the slewing mechanism are 3, so that the integral rigidity of the slewing mechanism connecting plate 18 can be ensured, and the assembly difficulty between the slewing shaft 16 and the lower base 14 of the slewing mechanism and the assembly difficulty between the slewing shaft and the upper base 17 of the slewing mechanism are not increased.
The component fixed mounting assembly comprises a component mounting plate 21 and a stop block, the component mounting plate 21 is in threaded connection with the platform 20, the stop block comprises a stop block base 22, a stop block adjusting screw 23 and a polytetrafluoroethylene block 24, the stop block base 22 is in threaded connection with the component mounting plate 21, the stop block adjusting screw 23 is arranged at the upper end of the stop block base 22, and the distance between the polytetrafluoroethylene block 24 and the stop block base 22 can be adjusted by adjusting the stop block adjusting screw 23, as shown in fig. 6-7.
The above-mentioned stoppers include two types, 11, for fastening the back plate 26 and the fastening element 27, 16 in total, for fastening the different sides of the back plate 26 and the element 27. The stopper is provided with a U-shaped groove, the element mounting plate 21 is connected with the U-shaped groove of the stopper through a hexagonal flange face bolt 25, and the position of the hexagonal flange face bolt 25 on the U-shaped groove is adjusted to adapt to the fastening of elements 27 with different calibers. The stop adjusting screw 23 is adjusted to fasten the element 27 so as to prevent the element 27 from being thrown out during processing.
An extension spring 11 is further disposed between the bottom surface of the platform 20 and the base body 6, as shown in fig. 1-3, the extension spring 11 provides a pre-tightening force to enable the platform 20 to be tightly matched with the one-dimensional adjusting assembly, so as to prevent the platform 20 from moving in the vertical direction of the one-dimensional adjusting assembly, one end of the extension spring 11 is connected with the bottom surface of the platform 20, the other end of the extension spring 11 is connected with an extension spring connecting block 10, and the extension spring connecting block 10 is connected to the base body 6.
The side fastening blocks 3 are two, 6 in total, one of which is provided on the opposite 2 sides of the base body 6, and the other of which is provided on the remaining 2 sides of the base body 6, respectively, as shown in fig. 1 to 2.
The four corners of the base body 6 are respectively provided with a stand column 19 which is respectively matched with the wedge adjusting mechanism connecting plate 1 and the slewing mechanism connecting plate 18, the stand columns 19 are matched with the base body 6 through pins, and meanwhile, a certain distance is reserved between the stand columns 19 and the wedge adjusting mechanism connecting plate 1 and between the stand columns 19 and the slewing mechanism connecting plate 18, so that the wedge adjusting mechanism connecting plate 1 and the slewing mechanism connecting plate 18 are prevented from colliding with the stand columns 19 when the platform 20 rotates; the shield 28 is mounted on the upright 19. The upright 19 serves to mount a shield 28.
The protective cover 28 is in threaded connection with the upright post 19, and 2 protective covers 28 cover the periphery of the wedge adjusting mechanism and the slewing mechanism respectively, so that external powder and water are prevented from entering, and the adjusting precision and the service life are affected.
Screw holes are formed in the two side edges of the element mounting plate 21, and bolts can be matched with the screw holes, so that the element mounting plate 21 can be conveniently moved.
The base body 6 is also provided with a handle, the handle comprises a handle connecting block 12 and a handle connecting rod 13, the handle connecting block 12 is in threaded connection with the base body 6, the handle connecting rod 13 is arranged between the two handle connecting blocks 12, and as shown in fig. 1-2, the whole one-dimensional adjusting device can be moved by pulling the handle connecting rod 13, so that the one-dimensional adjusting device is convenient to carry.
The invention preferably adopts the adjusting screw 4 with smaller screw pitch, so that when the adjusting screw 4 rotates for one circle, the horizontal distance of the cross beam 8 is small, thereby the rotating angle of the platform 20 is small, and the adjusting precision is further increased; the platform 20 of the present invention preferably employs a platform having a honeycomb structure that minimizes the amount of deformation of the platform and ensures that the upper and lower surfaces of the platform are parallel.
Claims (13)
1. The plane repairing one-dimensional adjusting device for the large-caliber aspheric optical element is characterized in that: comprises a one-dimensional adjusting component, a platform (20) and an element fixing and installing component;
the one-dimensional adjusting assembly is matched with the bottom surface of the platform (20) and comprises a base, a wedge adjusting mechanism and a rotating mechanism, wherein the wedge adjusting mechanism and the rotating mechanism are distributed on two opposite sides of the base, and the wedge adjusting mechanism drives the rotating mechanism to rotate so that the platform (20) rotates around the rotating mechanism to form an included angle with a horizontal plane;
the element fixing and mounting assembly is connected with the upper surface of the platform (20);
the wedge adjusting mechanism comprises an adjusting screw (4), an adjusting fixing block (5), a wedge adjusting mechanism base (7), a cross beam (8), a wedge (9) and a wedge adjusting mechanism connecting plate (1), wherein the adjusting fixing block (5) is in threaded connection with a base body (6), the wedge adjusting mechanism base (7) is in threaded connection with the base body (6), and the wedge is adjustedMechanismThe base (7) is tightly attached to the cross beam (8), the adjusting screw (4) is in threaded connection with the cross beam (8), the cross beam (8) is tightly attached to the wedge block (9), the wedge block (9) is connected with the wedge block adjusting mechanism connecting plate (1), the wedge block adjusting mechanism connecting plate (1) is in threaded connection with the platform (20), the position of the cross beam (8) relative to the base substrate (6) is adjusted through rotating the adjusting screw (4), so that the vertical position of the wedge block (9) is changed, and the movement of the wedge block (9) in the vertical direction drives the slewing mechanism to rotate, so that the platform (20) rotates around the slewing mechanism to form an included angle with the horizontal plane;
the rotary mechanism comprises a rotary mechanism lower base (14), a rotary shaft nut (15), a rotary shaft (16), a rotary mechanism upper base (17) and a rotary mechanism connecting plate (18), wherein the rotary mechanism lower base (14) is in threaded connection with a base body (6), the rotary mechanism lower base (14) is hinged with the rotary mechanism upper base (17) through the rotary shaft (16), the rotary mechanism upper base (17) is in threaded connection with the rotary mechanism connecting plate (18), the rotary mechanism connecting plate (18) is in threaded connection with a platform (20), and the axial movement of the rotary shaft (16) is limited by the rotary shaft nut (15).
2. The large-caliber aspheric optical element plane reworking and one-dimensional adjusting device as claimed in claim 1, wherein: the base comprises a base body (6) and side fastening devices, wherein the side fastening devices are fixed on four sides of the base body (6) so as to ensure that the platform (20) is kept fixed at the horizontal position of the base, and therefore the platform (20) cannot move in the horizontal direction.
3. The large-caliber aspheric optical element plane reworking and one-dimensional adjusting device as claimed in claim 2, wherein: the side fastening device comprises a side fastening block (3) and a side fastening adjusting screw (2), the side fastening block (3) is in threaded connection with a base body (6), the side fastening adjusting screw (2) is arranged at the upper end of the side fastening block (3), and the side fastening adjusting screws (2) in 4 directions are adjusted to enable the side fastening adjusting screws (2) in 4 directions to be tightly attached to the side wall of the platform (20) so as to ensure that the platform (20) is kept fixed on the horizontal position of the base.
4. A large caliber aspherical optical element plane rework dimension adjusting device as claimed in claim 3, wherein: the side fastening blocks (3) are two, and one of the side fastening blocks is 4, and is respectively arranged on 2 opposite side edges of the base body (6), and the other side fastening blocks is 2, and is respectively arranged on the remaining 2 side edges of the base body (6).
5. The large-caliber aspheric optical element plane reworking and one-dimensional adjusting device as claimed in claim 2, wherein: the four corners of the base body (6) are respectively provided with a stand column (19), the stand columns (19) are respectively matched with the wedge adjusting mechanism connecting plate (1) and the slewing mechanism connecting plate (18), and the stand columns (19) are provided with a protective cover (28).
6. The large caliber aspheric optical element plane rework one-dimensional adjusting device of claim 5, wherein: the upright post (19) is matched with the base body (6) through a pin, and is at a certain distance from the wedge adjusting mechanism connecting plate (1) and the slewing mechanism connecting plate (18) at the same time, so that the wedge adjusting mechanism connecting plate (1) and the slewing mechanism connecting plate (18) are prevented from colliding with the upright post (19) when the platform (20) rotates; the protective covers (28) are in threaded connection with the upright posts (19), and the number of the protective covers (28) is 2, and the periphery of the wedge adjusting mechanism and the periphery of the slewing mechanism are respectively covered.
7. The large-caliber aspheric optical element plane reworking and one-dimensional adjusting device as claimed in claim 2, wherein: the base body (6) is further provided with a handle, the handle comprises a handle connecting block (12) and a handle connecting rod (13), the handle connecting block (12) is in threaded connection with the base body (6), and the handle connecting rod (13) is arranged between the two handle connecting blocks (12).
8. The large-caliber aspheric optical element plane reworking and one-dimensional adjusting device as claimed in claim 1, wherein: the wedge blocks (9) are 3, are respectively arranged at two ends and the middle position of one side edge of the base body (6), the wedge block adjusting mechanism base (7) and the wedge block adjusting mechanism connecting plate (1) are matched with the wedge blocks (9), the number of the wedge blocks is also 3, the cross beam (8) is arranged between the 3 wedge block adjusting mechanism bases (7) and the 3 wedge blocks (9) in a penetrating mode, and the adjusting screw (4) is arranged at the middle position of the cross beam (8).
9. The large-caliber aspheric optical element plane reworking and one-dimensional adjusting device as claimed in claim 1, wherein: the component fixed mounting assembly comprises a component mounting plate (21) and a stop block, the component mounting plate (21) is in threaded connection with the platform (20), the stop block comprises a stop block base body (22), a stop block adjusting screw (23) and a polytetrafluoroethylene block (24), the stop block base body (22) is in threaded connection with the component mounting plate (21), the stop block adjusting screw (23) is arranged at the upper end of the stop block base body (22), and the distance between the polytetrafluoroethylene block (24) and the stop block base body (22) can be adjusted by adjusting the stop block adjusting screw (23), so that a component (27) is fastened.
10. The large caliber aspheric optical element plane rework one-dimensional adjusting device of claim 9, wherein: the stop block comprises two types, namely a back plate (26) and a fastening element (27), which are used for fastening different sides of the back plate (26) and the element (27); the stopper is provided with a U-shaped groove, the element mounting plate (21) is connected with the U-shaped groove of the stopper through a bolt (25), and the position of the bolt (25) on the U-shaped groove is adjusted to adapt to the fastening of elements (27) with different calibers.
11. The large-caliber aspheric optical element plane reworking and one-dimensional adjusting device as claimed in claim 1, wherein: an extension spring (11) is further arranged between the bottom surface of the platform (20) and the base substrate (6) of the base, and the extension spring (11) provides a pretightening force to enable the platform (20) to be tightly matched with the one-dimensional adjusting assembly, so that the platform (20) is prevented from moving in the vertical direction of the one-dimensional adjusting assembly.
12. The large caliber aspheric optical element plane rework one-dimensional adjusting device of claim 11, wherein: one end of the extension spring (11) is connected with the bottom surface of the platform (20), the other end of the extension spring is connected with the extension spring connecting block (10), and the extension spring connecting block (10) is connected to the base substrate (6).
13. A large caliber aspherical optical element plane repair one-dimensional adjusting device as claimed in any one of claims 1 to 12, wherein: the platform (20) adopts a platform with a honeycomb structure, the deformation of the platform is small, and the upper surface and the lower surface of the platform are ensured to be parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810713421.7A CN108673441B (en) | 2018-07-03 | 2018-07-03 | Plane repairing one-dimensional adjusting device for large-caliber aspheric optical element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810713421.7A CN108673441B (en) | 2018-07-03 | 2018-07-03 | Plane repairing one-dimensional adjusting device for large-caliber aspheric optical element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108673441A CN108673441A (en) | 2018-10-19 |
| CN108673441B true CN108673441B (en) | 2023-11-21 |
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| CN201810713421.7A Active CN108673441B (en) | 2018-07-03 | 2018-07-03 | Plane repairing one-dimensional adjusting device for large-caliber aspheric optical element |
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| CN109732439A (en) * | 2019-03-04 | 2019-05-10 | 中国工程物理研究院激光聚变研究中心 | A kind of optical element rim of the mouth diameter polishing clamp |
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