CN113524472B - Bearing protection structure for photovoltaic section - Google Patents
Bearing protection structure for photovoltaic section Download PDFInfo
- Publication number
- CN113524472B CN113524472B CN202110856157.4A CN202110856157A CN113524472B CN 113524472 B CN113524472 B CN 113524472B CN 202110856157 A CN202110856157 A CN 202110856157A CN 113524472 B CN113524472 B CN 113524472B
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- gland
- shaft core
- front outer
- cover
- air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/0058—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a bearing protection structure for a photovoltaic section, which comprises a shaft core, wherein the shaft core comprises a first shaft core step, a second shaft core step, a third shaft core step, a fourth shaft core step and a fifth shaft core step, a bearing is fixedly sleeved on the side wall of the first shaft core step, a sleeve is fixedly sleeved on the side wall of the bearing, a front outer gasket assembly is fixedly inserted in the sleeve, the front outer gasket assembly is sleeved on the side wall of the second shaft core step, the end surface of the sleeve is fixedly connected with a front gland, the front gland is sleeved on the side walls of the third shaft core step and the fourth shaft core step, the right end surface of the front gland is abutted against the left end surface of the front outer gasket assembly, and a shaft core rear gland is fixedly sleeved on the side wall of the fifth shaft core step. According to the bearing protection structure for the photovoltaic slice, silicon powder is difficult to accumulate, multiple labyrinth staggered protection and rotation surface contact are realized, and the requirements of 5000RPM of axle box rotating speed and 40M/s of roller linear speed are easily met.
Description
Technical Field
The invention relates to the technical field of photovoltaic slices, in particular to a bearing protection structure for a photovoltaic slice.
Background
With the technological progress and technology updating, the silicon wafer cutting is developed more and more quickly. The cost of single-chip cutting is reduced year by year, and the requirement on cutting efficiency is higher and higher.
However, the silicon powder enters the axle box to cause the shutdown phenomenon more frequently, and the longer the shutdown time is, the lower the efficiency is. The working condition of cutting the silicon wafer is extremely bad, and the silicon powder splashes in the cutting chamber along with the cutting fluid. The solid-liquid mixture formed by the silicon powder and the cutting fluid has strong adsorbability and is difficult to clean. After the solid-liquid mixture enters the axle box, the longer the time is, the more the solid-liquid mixture is accumulated, the phenomena of abnormal sound and bearing burning are easy to occur, the equipment is stopped, and the production is greatly influenced. At present, the mainstream protection structure has certain defects, silicon powder is easy to enter the insert piece structure, and the oil seal structure is difficult to be used at a high speed.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme: a bearing protection structure for a photovoltaic slice comprises a shaft core, wherein the shaft core comprises a first shaft core step, a second shaft core step, a third shaft core step, a fourth shaft core step and a fifth shaft core step, a bearing is fixedly sleeved on the side wall of the first shaft core step, a sleeve is fixedly sleeved on the side wall of the bearing, a front outer gasket assembly is fixedly inserted in the sleeve, the front outer gasket assembly is sleeved on the side wall of the second shaft core step, the end surface of the sleeve is fixedly connected with a front gland, the front gland is sleeved on the side walls of the third shaft core step and the fourth shaft core step, the right end surface of the front gland abuts against the left end surface of the front outer gasket assembly, a shaft core rear gland is fixedly sleeved on the side wall of the fifth shaft core step, a front outer baffle cover is sleeved on the side wall of the shaft core rear gland, the front outer baffle cover is fixed with the end surface of the front gland, the outer baffle cover comprises a front outer baffle cover matching inner hole, and a front outer baffle cover is matched with the inner hole to be inserted with a front shaft core gland, the front shaft core gland is fixedly sleeved on the side wall of the fifth shaft core step, and the front shaft core gland abuts against the end face of the rear shaft core gland.
Preferably, keep off the lid escape orifice before being equipped with on the lid before outer, the gland stretches out the end and the preceding space that keeps off the lid and stretch out in the middle of the end forms the air outlet groove outside outer before the axle core, and air outlet groove and preceding fender lid escape orifice intercommunication, be equipped with preceding gland gas pocket on the preceding gland, and be provided with the end cap in the preceding gland gas pocket, be provided with the sleeve gas pocket on the sleeve, and sleeve gas pocket and preceding gland gas pocket intercommunication, space between gland and the preceding gland forms the gas storage tank behind the axle core, and the clearance between gland excircle and the preceding outer fender lid cooperation hole forms preceding air gap before axle core, the clearance between gland and the preceding outer fender lid hole forms the back air gap behind the axle core, and the gas storage tank passes through back air gap intercommunication with the air outlet groove.
Preferably, the first mounting groove is internally provided with a sealing ring for a shaft core.
Preferably, the end face of the front gland is provided with a second mounting groove, a sealing ring for the shaft core gland is arranged in the second mounting groove, and the sealing ring for the shaft core gland is abutted to the end face of the shaft core rear gland.
Preferably, the front outer blocking cover and the front gland are provided with a sealing ring for the front outer blocking cover on the matched end surface.
Preferably, a minute axial gap is formed between the shaft core seal ring and the shaft core rear cover, and the axial gap is filled with grease.
Preferably, two air guide grooves of the front shaft core gland are formed in the largest outer circle of the front shaft core gland, and the extending end of the front shaft core gland is arranged at the outermost end of the front shaft core gland.
Preferably, the inner ring of the front outer baffle cover is provided with a front outer baffle cover extension end, and the front gland extension end of the shaft core and the front outer baffle cover extension end are staggered.
Preferably, the front outer gasket assembly comprises a front outer gasket and a front outer gasket gas blocking ring, and the front outer gasket is fixed with the inner side wall of the sleeve.
Preferably, the front outer gasket air blocking ring is made of a tough material, a plurality of small grooves are formed in the inner hole of the front outer gasket air blocking ring, a certain gap is formed between the front outer gasket air blocking ring and the step of the second shaft core, and lubricating grease is filled in the gap.
The technical scheme provided by the invention has the beneficial effects that:
1. according to the bearing protection structure for the photovoltaic slice, as no gap exists between the sealing ring for the shaft core gland and the end face of the shaft core rear gland, compressed air is prevented from entering the interior of the bearing protection structure, and the sealing ring for the front outer baffle cover prevents compressed air from leaking, a gas storage groove is formed in the space among the front gland, the sealing ring for the shaft core gland, the shaft core rear gland and the front outer baffle cover, the shaft core front gland extension end of the shaft core front gland and the front outer baffle cover extension end of the front outer baffle cover are mutually staggered to form a multiple labyrinth protection structure, and the gas outlet groove is formed in the middle space, so that silicon powder is difficult to accumulate, multiple labyrinth staggered protection and rotary surface contact are realized, and the requirements of 5000RPM of an axle box and 40M/s of roller linear velocity are easily met.
2. According to the bearing protection structure for the photovoltaic slice, compressed air flows through the sleeve air holes, the front gland air holes and the air storage tank, after the air storage tank is filled with the compressed air, the compressed air enters the air outlet tank from a rear air gap, part of the compressed air is blown out from the front outer gland discharge holes to take away a little of solid-liquid mixture entering a shaft head, part of the compressed air is blown out from the front air gap to form positive pressure to prevent the solid-liquid mixture from entering, the protection effect is better, silicon powder is difficult to accumulate, multiple labyrinths are staggered for protection, the rotating surfaces are in contact, and the requirements of 5000RPM of an axle box and 40M/s of linear velocity of a roller are easily met.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic cross-sectional structural view of the present invention;
FIG. 2 is a schematic structural view of a front gland of a shaft core in the present invention;
FIG. 3 is a schematic view of the construction of the front outer gasket assembly of the present invention;
FIG. 4 is a schematic view of the construction of the shaft core according to the present invention;
FIG. 5 is a schematic view of the front outer shield cover of the present invention;
fig. 6 is a schematic view of the front cover according to the present invention.
In the figure: 1. a shaft core; 101. a first spindle step; 102. a second spindle step; 103. a third core step; 104. a fourth shaft core step; 105. a fifth core step; 2. a shaft core front gland; 3. pressing the shaft core back; 4. a front outer shield cover; 401. a front outer shield cover drain hole; 402. the front outer shield cover is matched with the inner hole; 403. the extending end of the front outer shield cover; 5. a seal ring for the shaft core; 6. a seal ring for a shaft core gland; 7. a front gland; 701. a front gland air hole; 702. a plug; 703. a first mounting groove; 704. a second mounting groove; 8. a sleeve; 801. a sleeve air hole; 9. a front outer gasket assembly; 901. a front outer gasket; 902. a front outer gasket gas barrier ring; 10. a bearing; 11. the front outer baffle cover is provided with a sealing ring; 1201. an air storage tank; 1202. a rear air gap; 1203. an air outlet groove; 1204. the front air gap.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following description, for clarity and conciseness of description, not all of the various components shown in the figures are described. The various components shown in the figures provide those skilled in the art with a fully enabled disclosure of the invention. The operation of many of the components is familiar and obvious to those skilled in the art.
Example (b):
as shown in fig. 1-6, this embodiment provides a bearing protection structure for photovoltaic section, which includes a shaft core 1, the shaft core 1 includes a first shaft core step 101, a second shaft core step 102, a third shaft core step 103, a fourth shaft core step 104 and a fifth shaft core step 105, a bearing 10 is fixedly sleeved on a side wall of the first shaft core step 101, a sleeve 8 is fixedly sleeved on a side wall of the bearing 10, a front outer gasket assembly 9 is fixedly inserted in the sleeve 8, the front outer gasket assembly 9 is sleeved on a side wall of the second shaft core step 102, the front outer gasket assembly 9 and the bearing 10 are installed behind the shaft core 1 and sleeved inside the sleeve 8, an end surface of the sleeve 8 is fixedly connected with a front gland 7, the front gland 7 is installed on the sleeve 8, a right end surface is in tight contact with the front outer gasket assembly 9, the bearing 10 is pressed, the front gland 7 is sleeved on side walls of the third shaft core step 103 and the fourth shaft core step 104, the right end face of the front gland 7 is abutted against the left end face of the front outer gasket assembly 9, the side wall of a fifth shaft core step 105 is fixedly sleeved with a shaft core rear gland 3, the shaft core rear gland 3 is installed on a shaft core 1 and is fastened by screws, the shaft core rear gland 3 is a rotating body with the largest rotating outer diameter in the structure, the side wall of the shaft core rear gland 3 is sleeved with a front outer baffle cap 4, the front outer baffle cap 4 is fixed with the end face of the front gland 7, the front outer baffle cap 4 is installed on the front gland 7 and is fastened by screws, the front outer baffle cap 4 covers the largest excircle and the end face of the shaft core rear gland 3, the outer baffle cap 4 comprises a front outer baffle cap matching inner hole 402, a shaft core front gland 2 is inserted into the front outer baffle cap matching inner hole 402, the shaft core front gland 2 is fixedly sleeved on the side wall of the fifth shaft core step 105, the shaft core front gland 2 is abutted against the end face of the shaft core rear gland 3, the shaft core front gland 2 is installed on the shaft core 1, the end surface is tightly attached to the shaft core rear gland 3 and is fastened on the shaft core rear gland 3 through screws. The shaft core front gland 2 covers the inner hole part of the front outer retaining cover 4.
Preferably, the front outer shield 4 is provided with a front outer shield discharge hole 401 so that the solid-liquid mixture is discharged from the inlet downwards, the space between the front gland extension end 202 and the front outer shield extension end 403 of the shaft core forms an air outlet groove 1203, the air outlet groove 1203 is communicated with the front outer shield discharge hole 401, the front gland 7 is provided with a front gland air hole 701, a plug 702 is arranged in the front gland air hole 701, the sleeve 8 is provided with a sleeve air hole 801, the sleeve air hole 801 is communicated with the front gland air hole 701, the space between the shaft core rear gland 3 and the front gland 7 forms an air storage groove 1201, the clearance between the excircle of the shaft core front gland 2 and the front outer shield matching inner hole 402 forms a front air gap 1204, the clearance between the shaft core rear gland 3 and the inner hole of the front outer shield 4 forms a rear air gap 1202, the air storage groove 1201 is communicated with the air outlet groove 1203 through the rear air gap, the shaft core rear gland 3 has the largest rotation excircle 1202, the air gap formed between the front outer baffle cover 4 and the inner hole is a rear air gap 1202, the rear air gap 1202 is long and narrow, the air storage tank 1201 and the air outlet tank 1203 are connected in series, and the clearance between the outer circle of the shaft core front gland 2 and the front outer baffle cover matching inner hole 402 is a front air gap 1204.
Preferably, the first mounting groove 703 is provided with the shaft core sealing ring 5 in the first mounting groove 703, and the shaft core sealing ring is made of a tough material or a non-metallic material.
Preferably, the end face of the front gland 7 is provided with a second mounting groove 704, and the second mounting groove 704 is internally provided with a sealing ring 6 for a shaft core gland, and the sealing ring 6 is made of a tough material and is made of a non-metal material, and the sealing ring 6 for the shaft core gland abuts against the end face of the shaft core rear gland 3.
Preferably, a front outer shield cover sealing ring 11 is arranged on the end face of the front outer shield cover 4 matched with the front gland 7, and the front outer shield cover sealing ring 11 is fixed between the front outer shield cover 4 and the front gland 7 to prevent compressed air from leaking from the end face and effectively prevent the front end from being low in air pressure.
Preferably, a small axial gap is formed between the shaft core seal ring 5 and the shaft core rear gland 3, and the axial gap is filled with grease.
Preferably, two gas guide grooves 201 of the front shaft core gland are arranged on the largest outer circle of the front shaft core gland 2 to prevent solid-liquid mixture from entering, and the outmost end of the front shaft core gland 2 is provided with a front shaft core gland extension end 202.
Preferably, the inner ring of the front outer shield 4 is provided with a front outer shield protruding end 403, and the shaft core front gland protruding end 202 and the front outer shield protruding end 403 are staggered with each other.
Preferably, the front outer gasket assembly 9 includes a front outer gasket 901 and a front outer gasket air blocking ring 902, and the front outer gasket 901 is fixed to the inner sidewall of the sleeve 8.
Preferably, the front outer gasket gas-blocking ring 902 is made of a tough material, a plurality of small grooves are formed in an inner hole of the front outer gasket gas-blocking ring 902, a certain gap is formed between the front outer gasket gas-blocking ring 902 and the second shaft core step 102, and lubricating grease is filled in the gap.
Because there is no clearance between the end face of the shaft core gland sealing ring 6 and the shaft core rear gland 3, the compressed air is prevented from entering the inner part, and the front outer gland sealing ring 11 is used for preventing the compressed air from leaking, the air storage tank 1201 is formed in the space among the front gland 7, the shaft core gland sealing ring 6, the shaft core rear gland 3 and the front outer gland 4, the shaft core front gland extending end 202 of the shaft core front gland 2 and the front outer gland extending end 403 of the front outer gland 4 are mutually staggered to form a multiple labyrinth protection structure, and the air outlet tank 1203 is formed in the middle space, silicon powder is difficult to accumulate, multiple labyrinth staggered protection and rotary surface contact, and the requirements of 5000RPM of an axle box and 40M/s of roller linear speed are easily met.
Compressed air flows through the sleeve air holes 801 and the front gland air holes 701 to enter the air storage tank 1201, after the air storage tank 1201 is full of air, the compressed air enters the air outlet tank 1203 from the rear air gap 1202, part of the compressed air is blown out from the front outer gland drain holes 401 to take away a little of solid-liquid mixture entering the shaft head, part of the compressed air is blown out from the front air gap 1204 to form positive pressure, the solid-liquid mixture is blocked from entering, the protection effect is better, silicon powder is difficult to accumulate, multiple labyrinths are staggered for protection, the rotating surfaces are in contact, and the requirements of axle box rotating speed 5000 and roller linear speed 40M/s RPM are easily met.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a bearing protective structure for photovoltaic section, includes axle core (1), axle core (1) includes first axle core step (101), second axle core step (102), third axle core step (103), fourth axle core step (104) and fifth axle core step (105), its characterized in that, the fixed cover of lateral wall of first axle core step (101) is equipped with bearing (10), and the fixed cover of lateral wall of bearing (10) is equipped with sleeve (8), sleeve (8) internal fixation is inserted and is equipped with preceding outer gasket subassembly (9), and preceding outer gasket subassembly (9) cover is established on the lateral wall of second axle core step (102), the terminal surface fixed connection of sleeve (8) has preceding gland (7), preceding gland (7) cover is established on the lateral wall of third axle core step (103) and fourth axle core step (104), and the right-hand member face of preceding gland (7) offsets with the left end face of preceding outer gasket subassembly (9), the side wall of the fifth shaft core step (105) is fixedly sleeved with a shaft core rear gland (3), the side wall of the shaft core rear gland (3) is sleeved with a front outer blocking cover (4), the front outer blocking cover (4) is fixed with the end face of a front gland (7), the front outer blocking cover (4) comprises a front outer blocking cover matching inner hole (402), a shaft core front gland (2) is inserted into the front outer blocking cover matching inner hole (402), the shaft core front gland (2) is fixedly sleeved on the side wall of the fifth shaft core step (105), and the shaft core front gland (2) is abutted against the end face of the shaft core rear gland (3);
two shaft core front gland air guide grooves (201) are formed in the largest outer circle of the shaft core front gland (2), and the outermost end of the shaft core front gland (2) is provided with a shaft core front gland extending end (202);
the inner ring of the front outer shield cover (4) is provided with a front outer shield cover extension end (403), and the shaft core front gland extension end (202) and the front outer shield cover extension end (403) are staggered with each other;
a front outer baffle cover discharge hole (401) is arranged on the front outer baffle cover (4), a space between an extending end (202) of the shaft core front gland and an extending end (403) of the front outer baffle cover forms an air outlet groove (1203), the air outlet groove (1203) is communicated with the front outer baffle cover discharge hole (401), a front gland air hole (701) is arranged on the front gland (7), a plug (702) is arranged in the front gland air hole (701), a sleeve air hole (801) is arranged on the sleeve (8), the sleeve air hole (801) is communicated with the front gland air hole (701), an air storage groove (1201) is formed in a space between the shaft core rear gland (3) and the front gland (7), a front air gap (1204) is formed in a gap between the shaft core front gland (2) outer circle and the front outer baffle cover matching inner hole (402), and a rear air gap (1202) is formed in a gap between the shaft core rear gland (3) and the front outer baffle cover (4), and the air storage tank (1201) is communicated with the air outlet tank (1203) through a rear air gap (1202).
2. A bearing protection structure for photovoltaic slices as claimed in claim 1, characterized in that: the front outer gasket assembly (9) comprises a front outer gasket (901) and a front outer gasket air blocking ring (902), and the front outer gasket (901) is fixed with the inner side wall of the sleeve (8).
3. A bearing protection structure for photovoltaic slices as claimed in claim 2, characterized in that: preceding outer packing ring of hindering gas (902) adopts toughness material, and preceding outer packing ring of hindering gas (902) hole is equipped with a plurality of microgrooves, preceding outer packing ring of hindering gas (902) and second axle core step (102) form certain clearance, and pack up lubricating grease in the clearance.
4. A bearing protection structure for photovoltaic slices as claimed in claim 1, characterized in that: the end face of the front gland (7) is provided with a first mounting groove (703), and a sealing ring (5) for a shaft core is arranged in the first mounting groove (703).
5. A bearing protection structure for photovoltaic section, according to claim 4, characterized in that: a small axial gap is formed between the shaft core sealing ring (5) and the shaft core rear gland (3), and lubricating grease is filled in the axial gap.
6. A bearing protection structure for photovoltaic slices as claimed in claim 1, characterized in that: the end face of the front gland (7) is provided with a second mounting groove (704), a shaft core gland sealing ring (6) is arranged in the second mounting groove (704), and the shaft core gland sealing ring (6) is abutted to the end face of the shaft core rear gland (3).
7. A bearing protection structure for photovoltaic slices as claimed in claim 1, characterized in that: and a front outer blocking cover sealing ring (11) is arranged on the end surface of the front outer blocking cover (4) matched with the front gland (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110856157.4A CN113524472B (en) | 2021-07-28 | 2021-07-28 | Bearing protection structure for photovoltaic section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110856157.4A CN113524472B (en) | 2021-07-28 | 2021-07-28 | Bearing protection structure for photovoltaic section |
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| Publication Number | Publication Date |
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| CN113524472A CN113524472A (en) | 2021-10-22 |
| CN113524472B true CN113524472B (en) | 2022-07-08 |
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| CN202110856157.4A Active CN113524472B (en) | 2021-07-28 | 2021-07-28 | Bearing protection structure for photovoltaic section |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382892B (en) * | 2021-12-28 | 2022-12-16 | 无锡阳光精机股份有限公司 | Multi-layer labyrinth type shaft end protection structure for silicon rod grinding |
| CN114474438A (en) * | 2022-02-10 | 2022-05-13 | 无锡阳光精机股份有限公司 | High-bearing high-rotating-speed magnetic material cutting spindle box |
| CN114310456B (en) * | 2022-02-10 | 2023-08-11 | 无锡阳光精机股份有限公司 | Magnetic material cutting main shaft axle head protective structure |
| CN114763806A (en) * | 2022-05-06 | 2022-07-19 | 无锡阳光精机股份有限公司 | High-speed main shaft protection device |
| CN114714531A (en) * | 2022-05-06 | 2022-07-08 | 无锡阳光精机股份有限公司 | High-speed and long-life spindle box for high-end equipment |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002233100A (en) * | 2001-01-31 | 2002-08-16 | Minebea Co Ltd | Spindle motor and bearing assembly |
| CN201353562Y (en) * | 2008-12-03 | 2009-12-02 | 裕东（中山）机械工程有限公司 | Main shaft structure |
| CN101786261B (en) * | 2009-11-20 | 2012-02-29 | 无锡机床股份有限公司 | Improved workbench main shaft using air bearing |
| CN207278888U (en) * | 2017-08-31 | 2018-04-27 | 广州市昊志机电股份有限公司 | A kind of horizontal main axis sealing device |
| CN209062153U (en) * | 2018-10-24 | 2019-07-05 | 深圳市爱贝科精密机械有限公司 | A kind of high-speed air floatation electro spindle |
| CN210650166U (en) * | 2019-10-07 | 2020-06-02 | 无锡阳光精机有限公司 | Electric spindle for polishing inner hole of steel pipe |
| CN111716245A (en) * | 2020-06-03 | 2020-09-29 | 广州市昊志机电股份有限公司 | Main shaft structure |
| CN213298812U (en) * | 2020-10-09 | 2021-05-28 | 无锡阳光精机有限公司 | Multilayer end face contact type protection structure of high-speed cutting spindle box |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 214000 workshop, building B, No. 220, Chengnan Road, Xinwu District, Wuxi City, Jiangsu Province Applicant after: Wuxi sunshine Precision Machinery Co.,Ltd. Address before: 214000 workshop, building B, No. 220, Chengnan Road, Xinwu District, Wuxi City, Jiangsu Province Applicant before: WUXI SUNSHINE PRECISION MACHINERY CO.,LTD. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |