CN220592652U - Equipment for polishing sapphire crystals - Google Patents
Equipment for polishing sapphire crystals Download PDFInfo
- Publication number
- CN220592652U CN220592652U CN202322085580.6U CN202322085580U CN220592652U CN 220592652 U CN220592652 U CN 220592652U CN 202322085580 U CN202322085580 U CN 202322085580U CN 220592652 U CN220592652 U CN 220592652U
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- Prior art keywords
- polishing
- box
- liquid supply
- scraper
- filter screen
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- 238000005498 polishing Methods 0.000 title claims abstract description 136
- 229910052594 sapphire Inorganic materials 0.000 title claims abstract description 57
- 239000010980 sapphire Substances 0.000 title claims abstract description 57
- 239000013078 crystal Substances 0.000 title claims abstract description 54
- 239000007788 liquid Substances 0.000 claims abstract description 79
- 239000002893 slag Substances 0.000 claims description 42
- 238000010992 reflux Methods 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000012856 packing Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000011496 polyurethane foam Substances 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 17
- 239000012535 impurity Substances 0.000 description 14
- 238000004140 cleaning Methods 0.000 description 11
- 238000000926 separation method Methods 0.000 description 5
- 239000000945 filler Substances 0.000 description 4
- 235000012431 wafers Nutrition 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The utility model relates to the technical field of sapphire crystal processing and discloses equipment for polishing sapphire crystals, wherein an ash bucket is arranged in the middle of a box body of a polishing box frame, a rotary station is arranged in the middle of a bin bucket of the ash bucket, a polishing head is arranged above a station, which is opposite to the rotary station, of the upper half part of the box body of the polishing box frame, and a circulating liquid supply mechanism corresponding to the ash bucket is arranged at the bottom end of a box body backboard of the polishing box frame. According to the utility model, when the sapphire crystal is polished by using the polishing equipment, the sapphire crystal can be circularly fed and polished by using the rotary feeding material of the rotary station under the corresponding polishing of the polishing head, so that the polishing processing efficiency of the sapphire crystal is improved, and meanwhile, the sapphire crystal can be circularly recovered and supplied by using the circulating liquid feeding mechanism during polishing, so that on one hand, the circulating polishing liquid can be provided for polishing the sapphire, and on the other hand, the polishing liquid can be recycled, and the polishing cost is saved.
Description
Technical Field
The utility model relates to the technical field of sapphire crystal processing, in particular to equipment for polishing a sapphire crystal.
Background
Sapphire crystals have a high refractive index and optical transparency, and thus have wide applications in the optical field, such as in lasers, fiber optic communication systems, and optical instruments; secondly, the sapphire crystal has important application in the electronic field, for example, the sapphire crystal can be used for manufacturing a substrate of a light-emitting diode, so that the luminous efficiency and the stability of the LED are improved; in addition, sapphire crystals play an important role in the chemical and medical fields, and are a very important material.
The sapphire crystal is divided into an artificial sapphire crystal and a natural sapphire crystal, and no matter what kind of sapphire needs to be subjected to finish machining treatment in the practical application process, wherein polishing is particularly important as polishing work of the sapphire crystal, for example, the prior patent technology shows that: through retrieving, chinese patent net discloses a equipment for polishing sapphire crystal (publication No. CN 214817452U), and such device carries out preliminary separation through utilizing the separation net in the containing box to the impurity in the polishing liquid, then driving motor drives the screening net and rotates at the middle part of locating frame, carries out the filtration work once more to the polishing liquid through rotatory screening net, and the polishing liquid after the filtration then gets into water storage tank inner chamber bottom, carries out cyclic utilization and uses.
However, there are some disadvantages to the sapphire crystal polishing apparatuses adopted in the above-mentioned published patent and the existing market: the separation net is utilized to carry out preliminary filtration separation on the polishing liquid, and then the rotary screening net is adopted to carry out secondary filtration on the polishing liquid, so that although the dual filtration work can be carried out on the polishing liquid, impurities generated by filtration cannot be effectively treated, the filter screen is easily blocked by the impurities, the filtration separation efficiency is reduced, and the circulation supply of the polishing liquid is influenced. To this end, a person skilled in the art provides an apparatus for polishing sapphire crystals to solve the problems set forth in the background art described above.
Disclosure of Invention
The utility model mainly aims to provide equipment for polishing sapphire crystals, which can effectively solve the problem that the polishing liquid recycling efficiency of the existing polishing equipment for the sapphire crystals in the background art is low.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the equipment for polishing the sapphire crystals comprises a polishing box frame, wherein an ash bucket is arranged in the middle of a box body of the polishing box frame, a rotary station is arranged in the middle of a bin bucket of the ash bucket, a polishing head is arranged above a station, which is opposite to the rotary station, of the upper half part of the box body of the polishing box frame, and a circulating liquid supply mechanism corresponding to the ash bucket is arranged at the bottom end of a box body backboard of the polishing box frame;
the circulating liquid supply mechanism comprises a liquid supply reflux box arranged at the bottom end of a box backboard of a polishing box frame, a reflux pipe communicated with an ash bucket is connected above the box body of the liquid supply reflux box, a water pump is arranged at the bottom of the box body of the liquid supply reflux box in a communicated manner, a liquid supply pipe corresponding to a polishing head is connected at the outlet end of the water pump, a liquid supply valve head for the liquid supply pipe and a rotary station polishing station is arranged at the pipe orifice end of the liquid supply pipe, a first filter screen and a second filter screen are sequentially arranged inside the box body of the liquid supply reflux box from top to bottom, a transmission shaft is arranged in a penetrating manner in the middle of the box frame of the first filter screen and the second filter screen, and a first scraper and a second scraper corresponding to the first filter screen and the second filter screen are sequentially arranged at the shaft end of the transmission shaft from top to bottom.
As still further aspects of the utility model: and a rotary motor fixed on the ash bucket is arranged on the central output shaft of the rotary station.
As still further aspects of the utility model: the box backplate of the box frame of polishing installs the motor of polishing to polishing the head, the output of motor of polishing is provided with belt pulley A, the center output shaft of polishing the head is provided with belt pulley B, and is connected through the drive belt between belt pulley A and the belt pulley B.
As still further aspects of the utility model: the filter filler is filled in the bin of the ash bucket and close to the drainage port of the return pipe, and polyurethane foam filler is adopted as the filter filler.
As still further aspects of the utility model: the top output end of the transmission shaft is provided with a transmission motor arranged on the top of the liquid supply backflow box.
As still further aspects of the utility model: the first filter screen and the second filter screen are of umbrella hat-shaped structures.
As still further aspects of the utility model: the edge of the filter plate of the first filter screen and the edge of the filter plate of the second filter screen are respectively provided with a first slag cavity and a second slag cavity with concave structures, the top ends of cutter bars of the first scraper and the second scraper are respectively provided with a first scraper and a second scraper which correspond to the first slag cavity and the second slag cavity, and one sides of cavities of the first slag cavity and the second slag cavity are respectively provided with a first blow-down valve and a second blow-down valve which are communicated with a polishing box frame.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, when the sapphire crystal is polished by using the polishing equipment, the sapphire crystal can be circularly fed and polished by using the rotary feeding material of the rotary station under the corresponding polishing of the polishing head, so that the polishing processing efficiency of the sapphire crystal is improved, and meanwhile, the sapphire crystal can be circularly recovered and supplied by using the circulating liquid feeding mechanism during polishing, so that on one hand, the circulating polishing liquid can be provided for polishing the sapphire, and on the other hand, the polishing liquid can be recycled, and the polishing cost is saved.
2. According to the utility model, when the polishing liquid is recycled by using the circulating liquid supply mechanism, the polishing liquid can be filtered and recycled under the double filtration of the first filter screen and the second filter screen in the liquid supply reflux box, impurities generated by the filtration of the two groups of filter screens can be scraped to the corresponding first slag cavity and second slag cavity under the synchronous scraping of the first scraper and the second scraper, the high efficiency of circulating filtration of the polishing liquid is ensured, the situation of impurity accumulation and blockage is avoided, and the impurities in the two groups of slag cavities are automatically discharged by opening the blow-off valve under the circulating scraping of the corresponding two groups of scrapers.
Drawings
Fig. 1 is a schematic structural view of an apparatus for polishing a sapphire crystal according to the present utility model;
FIG. 2 is a schematic view of a polishing head and a rotary station in an apparatus for polishing sapphire crystals according to the present utility model;
fig. 3 is a schematic structural view of a circulation liquid supply mechanism in an apparatus for polishing sapphire crystals according to the present utility model.
In the figure: 1. polishing a box frame; 2. polishing a motor; 3. a belt pulley A; 4. a transmission belt; 5. a belt pulley B; 6. polishing head; 7. an ash bucket; 8. a rotating electric machine; 9. a rotating station; 10. a liquid supply reflux box; 11. a return pipe; 12. a first blow-down valve; 13. a second blow-down valve; 14. a supply tube; 15. a liquid supply valve head; 16. a first filter screen; 17. a first slag cavity; 18. a second filter screen; 19. a second slag cavity; 20. a water pump; 21. a drive motor; 22. a transmission shaft; 23. a first scraper; 24. a first scraper; 25. a second scraper; 26. a second scraper; 27. and filtering the filler.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-3, an apparatus for polishing a sapphire crystal includes a polishing frame 1, an ash bucket 7 is mounted in a middle portion of the polishing frame 1, a rotation station 9 is mounted in a middle portion of the ash bucket 7, a rotation motor 8 fixed on the ash bucket 7 is mounted at a central output shaft of the rotation station 9, when the polishing apparatus is used for polishing the sapphire crystal, the sapphire wafer to be processed, the wafer and other crystals can be sequentially placed into a mold of the rotation station 9, and then the rotation motor 8 is used for driving the rotation station 9 to rotate, so that the sapphire crystal in the mold is sequentially rotated and conveyed to a position below a polishing head 6 for polishing.
The polishing head 6 is arranged above the station, which is opposite to the rotary station 9, of the upper half part of the box body of the polishing box frame 1, the box body backboard of the polishing box frame 1 is provided with the polishing motor 2 which is opposite to the polishing head 6, the output end of the polishing motor 2 is provided with a belt pulley A3, the central output shaft of the polishing head 6 is provided with a belt pulley B5, the belt pulley A3 is connected with the belt pulley B5 through a transmission belt 4, when the sapphire crystal in the rotary station 9 is rotationally conveyed to the lower part of the polishing head 6 by utilizing polishing equipment, the polishing motor 2 works to drive the belt pulley A3 to rotate, the belt pulley B5 is driven to rotate through the transfer transmission of the transmission belt 4, and then the corresponding polishing head 6 is pushed to rotate, so that the sequentially conveyed sapphire crystal is polished, and the cyclic polishing efficiency of the sapphire crystal is improved.
The filter packing 27 is filled in the bin hopper of the ash hopper 7 and is close to the drainage port of the return pipe 11, polyurethane foam packing is adopted for the filter packing 27, polishing liquid falls into the ash hopper 7 after polishing in the polishing process of sapphire crystals, large-particle impurities in polishing liquid can be preliminarily filtered and isolated through filtering by utilizing the filter packing 27 in the polyurethane foam form, and meanwhile the return pipe 11 is prevented from being blocked by excessive impurities.
The bottom end of the box back plate of the polishing box frame 1 is provided with a circulating liquid supply mechanism corresponding to the ash bucket 7, the circulating liquid supply mechanism comprises a liquid supply reflux box 10 arranged at the bottom end of the box back plate of the polishing box frame 1, a reflux pipe 11 communicated with the ash bucket 7 is connected above the box body of the liquid supply reflux box 10, the bottom of the box body of the liquid supply reflux box 10 is provided with a water pump 20 in a communicated manner, the outlet end of the water pump 20 is connected with a liquid supply pipe 14 corresponding to the polishing head 6, the mouth end of the liquid supply pipe 14 is provided with a liquid supply valve head 15 corresponding to the liquid supply pipe 14 and the polishing station of the rotary station 9, the box body of the liquid supply reflux box 10 is internally provided with a first filter screen 16 and a second filter screen 18 in sequence from top to bottom, the middle part of the plate frame of the first filter screen 16 and the second filter screen 18 is provided with a transmission shaft 22 in a penetrating manner, the shaft end of the transmission shaft 22 is provided with a first scraper 23 and a second scraper 25 corresponding to the first filter screen 16 and the second filter screen 18 in sequence from top to bottom, the top output end of the transmission shaft 22 is provided with a transmission motor 21 arranged at the top of the liquid supply reflux box 10, the first filter screen 16 and the second filter screen 18 are of umbrella-cap-shaped structures, during polishing of sapphire crystals, used polishing liquid flows back into the liquid supply reflux box 10 through the reflux pipe 11, impurities in the polishing liquid are subjected to double filtration sequentially through the first filter screen 16 and the second filter screen 18, the contact area between the polishing liquid and the first filter screen 16 and the second filter screen 18 of the umbrella-cap-shaped structures can be increased, the filtration isolation efficiency of the polishing liquid is improved, the transmission motor 21 synchronously works while the polishing liquid is filtered, the transmission shaft 22 is driven to rotate, the first scraper 23 and the second scraper 25 are synchronously driven to rotate, the impurities filtered and isolated on the first filter screen 16 and the second filter screen 18 are scraped, and the impurities are sequentially scraped to the first slag cavity 17, the second slag charge cavity 19 is internally cached, so that the high-efficiency filtering performance of the two groups of filter screens is ensured.
The edges of the filter plates of the first filter screen 16 and the second filter screen 18 are respectively provided with a first slag cavity 17 and a second slag cavity 19 with concave structures, the top ends of cutter bars of the first scraper 23 and the second scraper 25 are respectively provided with a first scraper 24 and a second scraper 26 corresponding to the first slag cavity 17 and the second slag cavity 19, one sides of cavities of the first slag cavity 17 and the second slag cavity 19 are respectively provided with a first blow-off valve 12 and a second blow-off valve 13 penetrating through the polishing box frame 1, in the polishing process of sapphire crystals, the cleaning work can be carried out on the cached slag in the first slag cavity 17 and the second slag cavity 19 at regular intervals, in the cleaning process, the recovery work of polishing liquid is only needed to be stopped briefly, then the first blow-off valve 12 and the second blow-off valve 13 are sequentially opened, the cached slag in the first slag cavity 17 and the second slag cavity 19 are driven to synchronously rotate by the first scraper 23 and the second scraper 26 when the first scraper 25 rotates, so that the cached slag in the first slag cavity 17 and the second slag cavity 19 can be circularly scraped to two groups of the blow-off valves, and the cleaning efficiency of the cleaning liquid can be improved, and the cleaning efficiency of the cleaning liquid can be also improved by the cleaning efficiency of the cleaning liquid in the cleaning process of the cavities.
The working principle of the utility model is as follows: when the polishing equipment is used for polishing sapphire crystals, the sapphire wafers to be processed, wafers and other crystals can be sequentially placed into the die of the rotary station 9, then the rotary station 9 is driven to rotate by the rotation of the rotary motor 8, the sapphire crystals in the die are sequentially rotated and conveyed to the position below the polishing head 6 for polishing, when the sapphire crystals in the rotary station 9 are rotationally conveyed to the position below the polishing head 6, the polishing motor 2 works to drive the belt pulley A3 to rotate, the belt pulley B5 is driven to rotate by the transfer transmission of the transmission belt 4, the corresponding polishing head 6 is driven to rotate, the sequentially conveyed sapphire crystals are polished, and polishing liquid in the liquid supply reflux box 10 is conveyed to the liquid supply valve head 15 through the liquid supply pipe 14 while polishing, the sapphire crystal is polished and lubricated by the supply of the liquid supply valve head 15, polished polishing liquid falls into the ash bucket 7, the polished polishing liquid flows back into the liquid supply reflux box 10 through the reflux pipe 11 under the preliminary filtration of the filter packing 27, the impurities in the polishing liquid are subjected to double filtration and recovery work sequentially through the first filter screen 16 and the second filter screen 18, while the polishing liquid is filtered, the transmission motor 21 synchronously works to drive the transmission shaft 22 to rotate, synchronously drives the first scraper 23 and the second scraper 25 to rotate, the impurities filtered and isolated on the first filter screen 16 and the second filter screen 18 are scraped, the impurities are sequentially scraped into the first slag cavity 17 and the second slag cavity 19 for cleaning, the staff can periodically clean the cached slag in the first slag cavity 17 and the second slag cavity 19, and during cleaning, the recovery work of the polishing liquid is stopped briefly, and then the first blow-off valve 12 and the second blow-off valve 13 are sequentially opened, and the first scraper 24 and the second scraper 26 are driven to synchronously rotate when the first scraper 23 and the second scraper 25 rotate, so that the slag buffered in the first slag cavity 17 and the second slag cavity 19 can be circularly scraped to the positions of the valve ports of the two groups of blow-off valves to be discharged.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The equipment for polishing the sapphire crystal comprises a polishing box frame (1), and is characterized in that an ash bucket (7) is arranged in the middle of a box body of the polishing box frame (1), a rotary station (9) is arranged in the middle of a bin bucket of the ash bucket (7), a polishing head (6) is arranged above a station, which is opposite to the rotary station (9), of the upper half of the box body of the polishing box frame (1), and a circulating liquid supply mechanism corresponding to the ash bucket (7) is arranged at the bottom end of a box body backboard of the polishing box frame (1);
the circulating liquid supply mechanism comprises a liquid supply reflux box (10) arranged at the bottom end of a box backboard of a polishing box frame (1), a reflux pipe (11) communicated with a dust hopper (7) is connected above the box of the liquid supply reflux box (10), a water pump (20) is arranged at the bottom of the box of the liquid supply reflux box (10), a liquid supply pipe (14) corresponding to the polishing head (6) is connected to the outlet end of the water pump (20), a liquid supply valve head (15) corresponding to the liquid supply pipe (14) and a polishing station of a rotary station (9) is arranged at the mouth end of the liquid supply pipe (14), a first filter screen (16) and a second filter screen (18) are sequentially arranged inside the box of the liquid supply reflux box (10) from top to bottom, a transmission shaft (22) is arranged in a penetrating mode between the first filter screen (16) and the middle of the second filter screen (18), and a first scraper (23) and a second scraper (25) corresponding to the first filter screen (16) and the second scraper (18) are sequentially arranged at the shaft end of the transmission shaft (22) from top to bottom.
2. An apparatus for polishing sapphire crystals according to claim 1, wherein the central output shaft of the rotary station (9) is fitted with a rotary motor (8) fixed to the ash bucket (7).
3. The device for polishing sapphire crystals according to claim 1, wherein the box back plate of the polishing box frame (1) is provided with a polishing motor (2) for polishing a polishing head (6), the output end of the polishing motor (2) is provided with a belt pulley a (3), the central output shaft of the polishing head (6) is provided with a belt pulley B (5), and the belt pulley a (3) is connected with the belt pulley B (5) through a transmission belt (4).
4. An apparatus for polishing sapphire crystals according to claim 1, wherein the hopper interior of the hopper (7) is filled with a filter packing (27) near the discharge port of the return pipe (11), and the filter packing (27) is a polyurethane foam packing.
5. An apparatus for polishing sapphire crystals according to claim 1, wherein the top output of the drive shaft (22) is provided with a drive motor (21) mounted on the top of the liquid supply return tank (10).
6. An apparatus for polishing sapphire crystals according to claim 1, wherein the first and second screens (16, 18) are umbrella-cap shaped structures.
7. The device for polishing the sapphire crystals according to claim 1, wherein the edges of the filter plates of the first filter screen (16) and the second filter screen (18) are respectively provided with a first slag cavity (17) and a second slag cavity (19) with concave structures, the top ends of cutter bars of the first scraper (23) and the second scraper (25) are respectively provided with a first scraper (24) and a second scraper (26) corresponding to the first slag cavity (17) and the second slag cavity (19), and one sides of cavities of the first slag cavity (17) and the second slag cavity (19) are respectively provided with a first blow-off valve (12) and a second blow-off valve (13) which are communicated with the polishing box frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322085580.6U CN220592652U (en) | 2023-08-04 | 2023-08-04 | Equipment for polishing sapphire crystals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322085580.6U CN220592652U (en) | 2023-08-04 | 2023-08-04 | Equipment for polishing sapphire crystals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220592652U true CN220592652U (en) | 2024-03-15 |
Family
ID=90176573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322085580.6U Active CN220592652U (en) | 2023-08-04 | 2023-08-04 | Equipment for polishing sapphire crystals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220592652U (en) |
-
2023
- 2023-08-04 CN CN202322085580.6U patent/CN220592652U/en active Active
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