CN117001467A - Mirror grinding thermal expansion suppression device with light structure - Google Patents
Mirror grinding thermal expansion suppression device with light structure Download PDFInfo
- Publication number
- CN117001467A CN117001467A CN202310669577.0A CN202310669577A CN117001467A CN 117001467 A CN117001467 A CN 117001467A CN 202310669577 A CN202310669577 A CN 202310669577A CN 117001467 A CN117001467 A CN 117001467A
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- Prior art keywords
- thermal expansion
- reflector
- suppression device
- mirror
- expansion suppression
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- 230000001629 suppression Effects 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 23
- 238000010276 construction Methods 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 5
- 238000003754 machining Methods 0.000 abstract description 14
- 238000009825 accumulation Methods 0.000 abstract description 7
- 230000003287 optical effect Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000000306 component Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
- B24B13/005—Blocking means, chucks or the like; Alignment devices
- B24B13/0055—Positioning of lenses; Marking of lenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The invention relates to a reflector grinding thermal expansion suppression device with a light-weight structure, which comprises an installation base body, wherein the top of the installation base body is provided with a hot air evacuation channel corresponding to a lightening hole on the reflector with the light-weight structure, the hot air evacuation channel is communicated with the outside, the grinding accumulated heat of the reflector expands the air in the lightening hole, the expanded air is discharged through the hot air evacuation channel, and the lightening hole and a machine tool workbench are always kept in a non-closed state; the clamping mechanism is used for elastically clamping the reflector and is stably fixed at the top of the mounting base body. The invention realizes high-rigidity clamping of the reflecting mirror with the light-weight structure, reduces clamping stress, avoids the influence of an elastic air film on the machining precision and the machining certainty of the element caused by grinding heat accumulation, improves the machining precision and the full-flow machining efficiency of the element, and plays an important role in realizing ultra-precise optical manufacturing of the large-caliber reflecting mirror element.
Description
Technical Field
The invention relates to the technical field of processing of aspherical reflectors, in particular to a reflector grinding thermal expansion suppression device with a lightweight structure.
Background
The large-caliber reflector is a key element in the advanced national defense and civil fields such as space detection, earth observation, photoelectric early warning and the like, has large demand and wide application prospect, and is one of hot spots in the field of development of space optical systems in China. From the standpoint of emission and running cost, the volume and weight of the space optical system should be reduced as much as possible, the mass and volume of the large-caliber reflecting mirror are used as core components of the space optical system, and the total volume and total weight of the system are directly influenced, and the effective reduction of the weight of the large-caliber reflecting mirror can greatly reduce the emission and running cost of the system, so that the large-caliber reflecting mirror with a light-weight structure becomes the main stream of the space optical system reflecting mirror, and has great application value.
Because the back of the reflecting mirror with the light-weight structure is provided with a large number of light-weight lightening holes, the lightening holes and the machine tool workbench form a closed space, when the element is ground, the grinding heat accumulation causes air expansion in the lightening holes, which is equivalent to forming a layer of air film between the machine tool workbench and the reflecting mirror, the elastic air film directly influences the grinding precision of the reflecting mirror element and the certainty of the surface shape convergence, the subsequent polishing time is greatly prolonged, the processing efficiency of the reflecting mirror is reduced, and the mass engineering application of the reflecting mirror with the light-weight structure is influenced.
Therefore, in order to solve the problems of low processing precision and efficiency caused by air expansion in the conventional mirror grinding process with a lightweight structure, it is necessary to study a mirror thermal expansion suppression device with a lightweight structure.
Disclosure of Invention
Therefore, the invention aims to provide a reflector grinding thermal expansion suppression device with a light structure, which solves the problems of low processing precision and efficiency caused by air expansion in the reflector grinding process with the light structure.
The invention provides a reflector grinding thermal expansion suppression device with a lightweight structure, which comprises the following components:
the device comprises a mounting substrate, wherein a lightening hole on a reflector of a light weight structure is arranged on the top of the mounting substrate, the lightening hole is provided with a hot air evacuation channel, the hot air evacuation channel is communicated with the outside, the grinding accumulated heat of the reflector expands the air in the lightening hole, the expanded air is discharged through the hot air evacuation channel, and the lightening hole and a machine tool workbench are always kept in a non-closed state;
the clamping mechanism is used for elastically clamping the reflector and is stably fixed at the top of the mounting matrix.
Further, the installation base member includes mounting platform and ventilative portion, the mounting platform top is provided with ventilative portion, the array has the vertical passageway of multiunit on the ventilative portion, and each the lightening hole corresponds with at least one vertical passageway.
Further, the mounting platform is provided with a plurality of horizontal transverse channels along the X direction and a horizontal longitudinal channel communicated with the horizontal transverse channels along the Y direction, and the vertical channel, the horizontal transverse channels and the horizontal longitudinal channel form the hot air evacuation channel.
Further, the horizontal transverse channels and the horizontal longitudinal channel centers are on the same plane.
Further, each group of clamping mechanisms comprises:
the pressing plate is fixed on the mounting platform and is positioned outside the reflecting mirror;
the flexible jacking block is connected to the side face of the pressing plate through an adjusting screw, faces to and is used for elastically propping against the reflecting mirror.
Further, the pressing plate is L-shaped, the bottom of the pressing plate is fixed on the mounting platform, and the top side surface of the pressing plate is connected with the flexible top block.
Further, the adjusting screw adopts a fine thread structure.
Further, a threaded hole is formed in the connecting end of the adjusting screw, a locking screw is connected in the threaded hole, and the locking screw is connected with the flexible jacking block; the outer wall of the connecting end of the adjusting screw is unthreaded, the screw rod at the other end is provided with a thread groove, and the diameter of the other end of the screw rod is larger than that of the connecting end.
Further, a sealing gasket is bonded to the top of the mounting platform, and a through hole which is the same as the reflecting mirror is formed in the middle of the sealing gasket; and the top surface of the sealing gasket and the side surface of the reflecting mirror are bonded with sealing glue.
Further, the mounting base body is symmetrically provided with handles along two opposite sides of the X direction and positioned below the horizontal transverse channel, and the handles comprise handle supports and connecting rods connected with the handle supports.
Compared with the prior art, the invention discloses the reflector grinding thermal expansion suppression device with the light-weight structure, and the hot air evacuation channels communicated with the outside are arranged on the lightening holes on the reflectors corresponding to the installation base body, so that elastic air films are not generated in the reflector grinding thermal accumulation with the light-weight structure, the lightening holes and the machine tool workbench are always kept in an unsealed state, the subsequent polishing time is shortened, and the processing efficiency of the reflectors is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a mirror grinding thermal expansion suppression device of a lightweight construction according to the present invention;
FIG. 2 is a schematic view of a mirror grinding thermal expansion suppression device (mirror not shown) with a lightweight structure according to the present invention
FIG. 3 is a cross-sectional view of a mirror grinding thermal expansion suppression device of lightweight construction provided by the present invention;
FIG. 4 is a schematic view showing the structure of the mounting base;
FIG. 5 is a schematic structural view of a clamping mechanism;
in the figure: 1-mounting a substrate; 1-1 horizontal transverse channel; 1-2 vertical channels; 1-3 flat longitudinal channels;
2-a handle bracket; 3-connecting rods; 4-sealing glue; 5-a gasket; a 6-mirror; 7-locking screws; 8-a flexible top block; 9-adjusting the screw; 10-compressing the nut; 11-pressing plate.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Because the back of the reflecting mirror with the light-weight structure is provided with a large number of light-weight lightening holes, the lightening holes and the existing machine tool workbench form a closed space, when the reflecting mirror is ground, the grinding heat accumulation causes air expansion in the lightening holes, which is equivalent to forming a layer of air film between the machine tool workbench and the reflecting mirror, the elastic air film directly influences the grinding machining precision of the reflecting mirror element and the certainty of surface shape convergence, the follow-up polishing time is increased, the machining efficiency of the reflecting mirror is reduced, and the large-batch engineering application of the reflecting mirror with the light-weight structure is influenced.
In view of this, an embodiment of the present invention discloses a mirror grinding thermal expansion suppression device with a lightweight structure, see fig. 1-3, comprising: installing a base body 1 and a clamping mechanism;
the device is characterized in that a lightening hole on the top of the mounting base body 1, which corresponds to a reflecting mirror 6 with a light weight structure, is provided with a hot air evacuation channel, the hot air evacuation channel is communicated with the outside, the grinding accumulated heat of the reflecting mirror 6 expands the air in the lightening hole, the expanded air is discharged through the hot air evacuation channel, and the lightening hole and a machine tool workbench are always kept in a non-closed state;
the mounting base 1 is provided with a plurality of groups of elastic clamping mechanisms around the reflector 6, and the clamping mechanisms are used for elastically clamping the reflector 6 and stably fixing the reflector on the top of the mounting base 1.
By adopting the scheme, the lightening holes on the corresponding reflectors of the mounting matrix are provided with the hot air evacuation channels communicated with the outside, so that the grinding heat accumulation of the reflectors with the light-weight structure does not generate elastic air films, the lightening holes and the machine tool workbench are always kept in an unsealed state, the subsequent polishing time is shortened, and the processing efficiency of the reflectors is improved.
The flatness and parallelism of the upper and lower surfaces of the mounting substrate 1 need to be strictly controlled (better than 10 μm) to ensure the clamping accuracy and the machining accuracy of the component.
Referring to fig. 3, the mounting base 1 includes a mounting platform and a ventilation portion, the top of the mounting platform is provided with a ventilation portion, a plurality of groups of vertical channels 1-2 are arrayed on the ventilation portion, and each lightening hole corresponds to at least one vertical channel 1-2; the light weight lightening holes of the reflector 6 are ensured to be dredged outwards through the vertical channels 1-2.
The mounting platform is connected with the ventilation part through screws. The ventilation component is positioned above the installation base body 1, and the weight of the device can be greatly reduced by adopting a low-density antirust metal material.
Referring to fig. 4, the installation platform is provided with a plurality of horizontal transverse channels 1-1 along the X direction and a horizontal longitudinal channel 1-3 communicated with the horizontal transverse channels 1-1 along the Y direction, and the vertical channel 1-2, the horizontal transverse channels 1-1 and the horizontal longitudinal channel 1-3 form the hot air evacuation channel.
Advantageously, the horizontal transverse channels 1-1 and the horizontal longitudinal channels 1-3 are centred on the same plane.
Referring to fig. 5, each set of the clamping mechanisms includes: a pressing plate 11, wherein the pressing plate 11 is fixed on the mounting platform and is positioned outside the reflecting mirror 6; the flexible jacking block 8 is connected to the side face of the pressing plate 11 through the adjusting screw 9, faces to and is used for elastically abutting against the reflecting mirror 6.
Specifically, the pressing plate 11 is L-shaped, the bottom of the pressing plate is fixed on the mounting platform, and the top side surface of the pressing plate is connected with the flexible top block 8. The clamp plate 11 is fixed through gland nut 10 the mounting platform upper surface, flexible kicking block 8 passes through adjusting screw 9 installs clamp plate 11 side, through adjusting screw 9 with speculum 6 clamping fastening, improves speculum 6's clamping rigidity.
The pressing plates 11 are L-shaped, so that the side clamping stability of the reflecting mirror 6 can be realized, each pressing plate is matched with 2 to 4 pressing nuts 10, and the clamping stability of the reflecting mirror 6 can be ensured.
The pressing plate 11 is made of a low-density antirust material, so that the weight of the device can be reduced to the greatest extent, and the device is prevented from rusting; the flexible jacking block 8 is made of flexible materials, so that the clamping envelopment can be better realized, and the damage of elements caused by local stress concentration is avoided.
Preferably, the pressing plates 11 are uniformly distributed on the outer side of the reflecting mirror 6, the number of the pressing plates 11 is 4-8, and the pressing plates 11 and the flexible jacking block 8 are lower than the reflecting mirror 6, so that a cutter cannot interfere with the device during element processing.
Advantageously, the adjusting screw 9 adopts a fine thread structure; the micro-adjustment of the flexible jacking block 8 can be realized, the clamping stress can be controlled more finely, and the clamping deformation of the element caused by the overlarge clamping stress is reduced.
More advantageously, a threaded hole is formed in the connecting end of the adjusting screw 9, a locking screw 7 is connected in the threaded hole, and the locking screw 7 is connected with the flexible jacking block 8; the outer wall of the connecting end of the adjusting screw 9 is unthreaded, the screw rod at the other end is provided with a thread groove, and the diameter of the other end of the screw rod is larger than that of the connecting end.
The locking screw 7 is connected with the connecting end of the adjusting screw 9, so that the flexible jacking block 8 does not rotate when the adjusting screw 9 rotates. The flexible ejector block 8 is provided with a through hole, the end part of the locking screw 7 and the threads at the other end of the adjusting screw 9 are larger than the through hole of the flexible ejector block 8, and the connecting end of the adjusting screw 9 is smaller than the flexible ejector block 8, so that the flexible ejector block 8 can be prevented from sliding transversely with the adjusting screw 9.
On the basis of the above embodiments, a sealing gasket 5 is bonded on the top of the mounting platform, and the middle part of the sealing gasket 5 is provided with a through hole identical to the reflecting mirror 6; the sealing gasket 5 is bonded with the sealing glue 4 on the top surface and the side surface of the reflector 6, so that the sealing effect is achieved, and grinding fluid is prevented from entering the bottom surface of the reflector 6 during grinding.
Preferably, one surface of the sealing gasket 5 is provided with back glue, so that the sealing gasket can be firmly adhered to the upper surface of the mounting platform, and the vertical channel 1-2 under the sealing gasket 5 is ensured to be airtight.
On the basis of the above embodiments, the mounting base 1 is symmetrically provided with handles along two opposite sides of the X direction and positioned below the horizontal transverse channel 1-1, and the handles comprise a handle bracket 2 and a connecting rod 3 connected with the handle bracket 2. The middle of the connecting rod 3 is large and the two ends of the connecting rod are small, so that the connecting rod 3 cannot fall off from between the two handle brackets 2.
The mounting platform is provided with mounting holes for mounting the mounting platform on the workbench.
The mounting platform for mounting the base body 1 may be made of a magnetic material, and may be fixed to the machine tool table by means of magnetic attraction to the machine tool table.
The working principle of the reflector grinding air thermal expansion suppression device with the light weight structure provided by the invention is as follows:
the reflector with the light-weight structure is clamped and fixed on the mounting base body 1 through the locking screw 7, the flexible top block 8, the adjusting screw 9, the compression nut 10 and the pressing plate 11, and when the reflector element is ground, the sealant 4 and the sealing gasket 5 ensure that grinding fluid cannot enter the bottom of the reflector to punch the element; when the air in the lightweight lightening holes of the reflecting mirror 6 is expanded due to grinding heat accumulation generated during grinding, the expanded air can be dispersed into the air through the vertical channel 1-2, the horizontal transverse channel 1-1 and the horizontal longitudinal channel 1-3 arranged on the mounting base body 1, so that the expanded air is prevented from forming an elastic air film between the reflecting mirror 6 and the mounting base body 1, the thermal expansion of the air of the reflecting mirror with the lightweight structure is restrained, the grinding machining precision and the machining certainty of the element are improved, and the whole-flow machining efficiency of the element is improved.
The invention relates to a reflector grinding air thermal expansion suppression device with a light structure, which comprises the following steps:
s1, preparation before installation: placing the reflector 6 on the sealing gasket 5, scribing the sealing gasket 5 along the edge of the reflector 6, and cutting off the scribing middle area of the sealing gasket 5 to ensure that the shape of the cut part is the same as the bottom surface of the reflector 6;
s2, mounting a base: the handle brackets 2 and the connecting rods 3 are arranged on the installation base body 1, so that the connecting rods 3 are prevented from falling off between the two handle brackets 2, and then the sealing gasket 5 is adhered to the upper surface of the installation base body 1;
s3, clamping the element: placing the reflector 6 on the mounting base 1, so that the bottom surface of the reflector 6 is positioned in the cutting area of the sealing gasket 5, and firmly connecting a pressing plate 11 to the mounting base 1 along the edge of the reflector 6 by adopting the compression nut 10; the adjusting screw 9 is rotated to enable the flexible jacking block 8 to jack the reflecting mirror 6 tightly, so that the clamping stability of the reflecting mirror 6 is ensured;
s4, smearing and sealing: smearing sealant at the gap between the reflector 6 and the sealing gasket 5 to ensure that grinding fluid cannot enter the bottom of the reflector 6;
s5, mounting device: lifting the connecting rod 3, placing the device on a machine tool workbench, and fixing the device on the machine tool workbench in a screw connection or magnetic adsorption mode.
Compared with the prior art, the reflector grinding air thermal expansion suppression device with the lightweight structure has the advantages that: the invention realizes high-rigidity clamping of the reflecting mirror with the light-weight structure, reduces clamping stress, avoids the influence of an elastic air film on the machining precision and the machining certainty of the element caused by grinding heat accumulation, improves the machining precision and the full-flow machining efficiency of the element, and plays an important role in realizing ultra-precise optical manufacturing of the large-caliber reflecting mirror element.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (10)
1. The mirror grinding thermal expansion suppression device of a lightweight structure is characterized by comprising:
the device comprises an installation base body (1), wherein a lightening hole on a reflector (6) of a light structure is arranged at the top of the installation base body (1) and is correspondingly provided with a hot air evacuation channel, the hot air evacuation channel is communicated with the outside, grinding accumulated heat of the reflector (6) enables air in the lightening hole to expand, the expanded air is discharged through the hot air evacuation channel, and the lightening hole and a machine tool workbench are always kept in a non-closed state;
the clamping mechanism is used for elastically clamping the reflector (6) and is stably fixed at the top of the mounting base body (1).
2. Mirror grinding thermal expansion suppression device of lightweight construction according to claim 1, characterized in that the mounting base (1) comprises a mounting platform and a ventilation part, the top of the mounting platform is provided with a ventilation part, on which a plurality of sets of vertical channels (1-2) are arrayed, and each lightening hole corresponds to at least one of the vertical channels (1-2).
3. The mirror grinding thermal expansion suppression device with the lightweight structure according to claim 2, wherein the mounting platform is provided with a plurality of horizontal transverse channels (1-1) along the X direction and a horizontal longitudinal channel (1-3) communicated with the horizontal transverse channels (1-1) along the Y direction, and the vertical channels (1-2), the horizontal transverse channels (1-1) and the horizontal longitudinal channels (1-3) form the hot air evacuation channels.
4. A mirror grinding thermal expansion suppressing device of a lightweight construction according to claim 3, characterized in that the horizontal transverse channel (1-1) and the horizontal longitudinal channel (1-3) are centered on the same plane.
5. A mirror grinding thermal expansion suppression device according to claim 3, wherein each set of said clamping mechanisms comprises:
the pressing plate (11) is fixed on the mounting platform and is positioned outside the reflecting mirror (6);
the flexible jacking block (8), the flexible jacking block (8) is connected to the side face of the pressing plate (11) through the adjusting screw (9), faces and is used for elastically abutting against the reflecting mirror (6).
6. The mirror grinding thermal expansion suppression device of a lightweight construction according to claim 5, characterized in that the pressure plate (11) is L-shaped with its bottom fixed to the mounting platform and its top side connected to the flexible top block (8).
7. The mirror grinding thermal expansion suppressing device of lightweight construction according to claim 6, wherein the adjusting screw (9) adopts a fine thread structure.
8. The lightweight structural mirror grinding thermal expansion suppression device according to claim 7, characterized in that a threaded hole is formed in the connecting end of the adjusting screw (9), a locking screw (7) is connected in the threaded hole, and the locking screw (7) is connected with the flexible jacking block (8); the outer wall of the connecting end of the adjusting screw (9) is unthreaded, the screw rod at the other end is provided with a thread groove, and the diameter of the other end of the screw rod is larger than that of the connecting end.
9. The mirror grinding thermal expansion suppression device of a lightweight structure according to any one of claims 2-8, wherein a gasket (5) is bonded to the top of the mounting platform, and the middle of the gasket (5) has the same through hole as the mirror (6); the top surface of the sealing gasket (5) and the side surface of the reflecting mirror (6) are bonded with sealing glue (4).
10. Mirror grinding thermal expansion suppression device of lightweight construction according to any of claims 3-8, characterized in that the mounting base (1) is symmetrically provided with handles on opposite sides in X-direction and below the horizontal transverse channel (1-1), the handles comprising a handle bracket (2) and a connecting rod (3) connected to the handle bracket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310669577.0A CN117001467A (en) | 2023-06-07 | 2023-06-07 | Mirror grinding thermal expansion suppression device with light structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310669577.0A CN117001467A (en) | 2023-06-07 | 2023-06-07 | Mirror grinding thermal expansion suppression device with light structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117001467A true CN117001467A (en) | 2023-11-07 |
Family
ID=88562644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310669577.0A Pending CN117001467A (en) | 2023-06-07 | 2023-06-07 | Mirror grinding thermal expansion suppression device with light structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117001467A (en) |
-
2023
- 2023-06-07 CN CN202310669577.0A patent/CN117001467A/en active Pending
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