CN116753240B - Bearing for spindle of photovoltaic solar crystalline silicon slicer and supporting seat of bearing - Google Patents
Bearing for spindle of photovoltaic solar crystalline silicon slicer and supporting seat of bearing Download PDFInfo
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- CN116753240B CN116753240B CN202311038853.XA CN202311038853A CN116753240B CN 116753240 B CN116753240 B CN 116753240B CN 202311038853 A CN202311038853 A CN 202311038853A CN 116753240 B CN116753240 B CN 116753240B
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- bearing
- seat
- guide post
- oil
- sealing
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- 229910021419 crystalline silicon Inorganic materials 0.000 title claims abstract description 23
- 239000003921 oil Substances 0.000 claims abstract description 131
- 238000007789 sealing Methods 0.000 claims abstract description 84
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 238000005461 lubrication Methods 0.000 claims description 62
- 239000010687 lubricating oil Substances 0.000 claims description 37
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 25
- 229910052710 silicon Inorganic materials 0.000 claims description 21
- 239000010703 silicon Substances 0.000 claims description 21
- 230000001050 lubricating effect Effects 0.000 claims description 17
- 239000013078 crystal Substances 0.000 claims description 15
- 238000013461 design Methods 0.000 claims description 10
- 239000004519 grease Substances 0.000 description 11
- 239000012535 impurity Substances 0.000 description 10
- 238000005507 spraying Methods 0.000 description 9
- 239000010724 circulating oil Substances 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000011664 signaling Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 239000011863 silicon-based powder Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 229920002302 Nylon 6,6 Polymers 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
- 230000003631 expected effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010742 number 1 fuel oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
- F16C33/667—Details of supply of the liquid to the bearing, e.g. passages or nozzles related to conditioning, e.g. cooling, filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6685—Details of collecting or draining, e.g. returning the liquid to a sump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/723—Shaft end sealing means, e.g. cup-shaped caps or covers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/783—Details of the sealing or parts thereof, e.g. geometry, material of the mounting region
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7886—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted outside the gap between the inner and outer races, e.g. sealing rings mounted to an end face or outer surface of a race
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/80—Labyrinth sealings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/08—Rigid support of bearing units; Housings, e.g. caps, covers for spindles
- F16C35/12—Rigid support of bearing units; Housings, e.g. caps, covers for spindles with ball or roller bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C37/00—Cooling of bearings
- F16C37/007—Cooling of bearings of rolling bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2322/00—Apparatus used in shaping articles
- F16C2322/39—General build up of machine tools, e.g. spindles, slides, actuators
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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
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The application relates to a bearing for a main shaft of a photovoltaic solar crystalline silicon slicer and a supporting seat thereof, wherein the bearing comprises a bearing inner ring, a bearing outer ring, rollers, a retainer and a sealing shell, an upper guide post and a lower guide post are symmetrically and fixedly arranged on the outer surface of the bearing outer ring, a small threaded hole is arranged in the upper guide post, the small threaded hole extends and penetrates through the bearing outer ring, an oil injection pipe matched with the small threaded hole is arranged in the small threaded hole, an oil collecting through hole is arranged in the lower guide post, the oil collecting through hole extends and penetrates through the bearing outer ring, the supporting seat comprises an upper box seat and a lower box seat, an upper guide post hole matched with the upper guide post is arranged on a bearing contact surface of the upper box seat, and an oil inlet communicated with the upper guide post hole is arranged on the outer side end surface of the upper box seat.
Description
Technical Field
The application belongs to the technical field of bearings and supporting seats, and relates to a bearing for a spindle of a photovoltaic solar crystalline silicon slicer and a supporting seat thereof.
Background
Along with the development of the photovoltaic industry, the reliability requirement on the crystal silicon slicing machine is higher and higher, the working environment of the main shaft is generally worse when the crystal silicon slicing machine works, a large amount of water vapor, silicon powder and other pollution impurities exist, the impurities easily penetrate through the sealing structure and enter the main shaft, and once the pollution impurities enter the main shaft, the main shaft is invalid. Meanwhile, with the progress of technology, the diameters of diamond wires and resin wires are smaller and smaller, the cutting line speed and the cutting efficiency are higher and higher, and the rotating speed of a main shaft bearing box of the crystal silicon slicing machine is required to be gradually increased. The key factor limiting the increase of the bearing rotation speed is the temperature rise of the bearing during operation, and the bearing is easy to cause the condition of burning when exceeding the limit temperature value. The main shaft bearing box of the crystal silicon slicing machine generally adopts a grease lubrication mode, the lubrication mode is unfavorable for heat dissipation of the bearing, grease carbonization is easy to cause when the temperature is too high, the bearing is more easily worn, and even the locking phenomenon occurs. Therefore, the lubrication mode which can timely take away water vapor, silicon powder and other pollution impurities and simultaneously can take away friction heat is very important, and the lubrication mode of the bearing is usually grease lubrication limited by structural factors of the bearing and the supporting seat in the prior art, and even if oil gas lubrication is adopted, the expected effect cannot be achieved, so that a matched structural support is needed to be provided for adopting a new lubrication mode.
Disclosure of Invention
The application provides a bearing for a spindle of a photovoltaic solar crystalline silicon slicer and a supporting seat thereof, aiming at the technical problem that the bearing lubrication cannot achieve the expected effect due to the restriction of structural factors of the bearing and the supporting seat in the prior art, and aims to provide a matched structural support for the bearing for the spindle of the photovoltaic solar crystalline silicon slicer and the supporting seat thereof in a reliable lubrication mode so as to achieve the ideal lubrication effect, thereby creating favorable conditions for reliable and low-cost operation of the crystalline silicon slicer.
The application aims at achieving the aim through the following technical scheme, and provides a bearing for a main shaft of a photovoltaic solar crystalline silicon slicer and a supporting seat of the bearing.
In some embodiments, the upper and lower guide posts are integrally formed with the bearing outer race.
In some embodiments, threads are respectively arranged on the outer surfaces of the upper guide post and the lower guide post, large threaded holes are symmetrically arranged on the outer surface of the bearing outer ring, and the upper guide post and the lower guide post are fixedly connected with the outer surface of the bearing outer ring through thread pairs.
In some embodiments, the upper guide post and the lower guide post are symmetrically fixed on the outer surface of the bearing outer ring in a welding mode.
In some embodiments, the oil spray pipe comprises a pipe seat, a pipe body and a pipe head which are integrally connected; the pipe seat is hexagonal, the diameter of the pipe seat circumscribing circle is larger than that of a small threaded hole arranged in the upper guide post, the pipe seat is connected with a pipe body, and threads matched with the small threaded hole are arranged on the pipe body; the pipe head is conical, the tip is closed, round holes are uniformly distributed on the side face, and the bottom surface of the pipe head is connected with the pipe body; the bearing lubrication oil supply pipeline is formed by the tube seat, the tube body and the through holes in the tube head.
Preferably, the diameter of the round hole is 0.5 mm-1 mm.
In some embodiments, after the oil spray pipe is assembled with the bearing outer ring, the plane of the bottom surface of the pipe head is tangent to the inner surface of the bearing outer ring, or the plane of the bottom surface of the pipe head is between the outer surface and the inner surface of the bearing outer ring, and the height of the pipe head is smaller than the shortest distance between the inner surface of the bearing outer ring and the retainer.
In some embodiments, the diameter of the oil collection through hole is greater than the nominal diameter of the small threaded hole.
In some embodiments, the retainer is made of glass fiber reinforced nylon 66 material through integral injection molding, the retainer is located at the position of a raceway center line between the inner ring and the outer ring of the bearing, the thickness of the retainer occupies about one half of the thickness of a raceway space, the retainer is integrally cone-shaped, the retainer is circumferentially provided with uniformly distributed roller mounting parts, the shape of the roller mounting parts of the retainer is consistent with the shape of the cross sections of the rollers, and the rollers are arranged in the roller mounting parts of the retainer from the outer side of the retainer.
In some embodiments, the two ends of the outer surface of the bearing outer ring are provided with step clamping grooves, the seal shells arranged on the end surfaces of the two sides of the bearing are composed of an outer ring seal shell and an inner ring seal shell, the outer ring seal shell comprises a fixing part matched with the step clamping grooves of the bearing outer ring and the side surface of the bearing outer ring and a sealing cover part for sealing the bearing raceway, the inner ring seal shell is attached to the side surface of the bearing inner ring, and the joint of the two seal shells is in a 'back' labyrinth design.
The application also provides a supporting seat matched with the bearing for the spindle of the photovoltaic solar crystalline silicon slicer, which comprises an upper box seat, a lower box seat, a shaft seat sealing end cover and a bearing fixing piece, wherein the lower box seat and the shaft seat are matched with each other to form a bearing placing cavity; the upper box seat is provided with upper ear seats which are bilaterally symmetrical, and the lower box seat is provided with lower ear seats which are bilaterally symmetrical, wherein the upper ear seats and the lower ear seats on the same side are fixedly connected through bolts; the shaft seat sealing end cover comprises an outer shaft seat sealing end cover arranged on the outer side of the bearing and an inner shaft seat sealing end cover arranged on the inner side of the bearing and in sealing fit with the main shaft, and the outer shaft seat sealing end cover and the inner shaft seat sealing end cover are respectively fixedly connected with the upper box seat and the lower box seat through first screws; an upper guide post hole matched with an upper guide post of the bearing for the main shaft of the photovoltaic solar crystalline silicon slicer is formed in the bearing contact surface of the upper box seat, and an oil inlet hole communicated with the upper guide post hole is formed in the outer side end surface of the upper box seat; the bearing contact surface of the lower box seat is provided with a lower guide pillar hole matched with a lower guide pillar of the bearing, and the outer side end surface of the lower box seat is provided with an oil return hole communicated with the lower guide pillar hole.
Further, threads are arranged in the oil inlet hole of the upper box seat and the oil return hole of the lower box seat, and the oil inlet hole and the oil return hole are respectively connected with an oil supply pipe and an oil return pipe of the lubricating device through an oil pipe joint arranged in the oil inlet hole and the oil return hole.
Further, the bearing fixing piece comprises an outer bearing fixing piece and an inner bearing fixing piece, wherein the outer bearing fixing piece is fixed at the end part of the main shaft through a second screw and is in sealing contact with the outer ring sealing shell through a first Y-shaped sealing ring, and is in sealing contact with the inner ring sealing shell through a first O-shaped sealing ring. The inner bearing fixing piece is connected with the rotating main shaft in interference fit and is abutted against the shaft shoulder, and the inner bearing fixing piece is in sealing contact with the outer ring sealing shell of the inner side end face of the bearing through a second Y-shaped sealing ring and is in sealing contact with the inner ring sealing shell through a second O-shaped sealing ring.
Further, a third O-shaped sealing ring which is in sealing fit with the upper guide post is arranged in the upper guide post hole of the upper box seat; a fourth O-shaped sealing ring in sealing fit with the lower guide post is arranged in the lower guide post hole of the lower box seat.
In some embodiments, the lubrication device comprises parts connected in series or in parallel through a lubrication oil path, the parts comprise an oil tank, an oil suction filter and an oil pump, wherein the oil pump is connected with a motor, the motor can be a direct current motor or an alternating current motor, a transmission mechanism connected with a power device on a photovoltaic solar crystalline silicon slicer, and the lubrication device further comprises an overflow valve, a pressure gauge, a pressure pipeline coarse oil filter, a fine oil filter with a blockage indication signaling device, a one-way valve, an energy accumulator and an oil distributor, and the oil distributor distributes a plurality of oil supply pipes for supplying lubricating oil to bearings in a plurality of supporting seats of a main shaft on the photovoltaic solar crystalline silicon slicer. And each oil supply pipe is connected with an oil pipe joint on an upper box seat of the supporting seat, lubricating oil enters an oil return pipe from an oil pipe joint on a lower box seat of the supporting seat, and a flow sensor and a temperature sensor are further arranged on the oil return pipe and used for monitoring the lubrication condition and the working state of each bearing. The oil return pipe is connected with the oil collector, the oil collector can be a small oil tank and is used for collecting lubricating oil flowing out of each shaft seat, the oil collector is communicated with the cooler, and the cooler can adopt an air cooling mode. The lubricating device is arranged on the chassis of the crystal silicon slicer.
In some embodiments, in order to realize automatic control and monitoring in time, the lubrication device further comprises a controller, wherein the controller is connected with a motor, a pressure gauge, a fine oil filter with a blockage indication signaling device, flow sensors and temperature sensors on oil return pipes of all shaft seats, a cooler and a control system through a control circuit, so that the real-time monitoring of the working state of the bearing in each shaft seat and the lubrication system is realized, and the safe and reliable operation of the crystal silicon slicer is ensured.
Advantageous effects
1. The bearing for the spindle of the photovoltaic solar crystalline silicon slicer and the supporting seat thereof provided by the application provide structural support for the spindle bearing of the photovoltaic solar crystalline silicon slicer by adopting a novel lubrication mode and provide practicable structural guarantee for adopting a circulating oil lubrication mode. After the oil spraying lubrication mode in the circulating oil lubrication is adopted for the bearing, compared with the existing lubricating grease lubrication, the oil spraying lubrication is carried out by adopting the lubricating oil with low viscosity compared with the lubricating grease, and the lubricating oil can directly reach all parts in the bearing, so that the lubrication is more sufficient; the pressure and the flow of the lubricating oil station are regulated, so that the pressure and the quantity of the lubricating oil supplied to each bearing can be accurately controlled, and the working condition of the main shaft of the photovoltaic solar crystalline silicon slicer is adapted; the heat dissipation and impurity removal capability is strong, after the circulating oil is adopted for lubrication, heat generated by the bearing running itself can be cooled through the circulating oil, and various impurities such as water vapor, silicon powder and the like in the bearing can be timely removed and filtered, so that the lubrication reliability is high, and the service life and the working reliability of the bearing are improved; because the lubricating oil is adopted for lubrication, the rotation resistance of the bearing is greatly reduced relative to the lubricating grease lubrication mode, the energy consumption of the main shaft of the photovoltaic solar crystalline silicon slicing machine is greatly reduced, and finally, because the lubricating oil can be conveniently and periodically replaced, the quality of the lubricating oil can be free from adopting high-specification lubricating oil like the lubricating grease lubrication, and the use cost of the lubricating oil is reduced; although the earlier equipment investment of the lubricating mode is higher, the energy consumption is saved in the operation process, the operation is safe, the maintenance cost is comprehensively compared, and the lubricating mode has strong popularization and utilization values.
2. The upper guide post and the lower guide post are arranged on the bearing outer ring, and the upper guide post hole and the lower guide post hole matched with the upper guide post and the lower guide post are arranged on the supporting seat, so that on one hand, the axial deviation between the bearing outer ring and the supporting seat can be effectively avoided, unnecessary friction heat generation and failure damage of the bearing are generated, and on the other hand, a feasible channel is provided for supplying and recovering lubricating oil.
3. The bearing outer ring, the upper guide post and the lower guide post can be in an integral structure mode or a split structure mode of threaded connection or welded connection, so that various selectable modes are provided for processing the bearing outer ring.
4. The oil spraying pipe is arranged in the small threaded hole in the upper guide post, and the structure, the shape and the position of the oil spraying pipe are arranged, so that the reliability of the supply of bearing lubricating oil is improved, and the lubrication of the bearing is more in line with the bearing lubrication requirement of high rotating speed and reliable lubrication requirement of the crystal silicon slicing machine.
5. The sealing shells on the two end surfaces of the bearing adopt a 'back' labyrinth structure design, so that on one hand, the protection is provided for lubricating oil in the bearing, the pollution of foreign matters is prevented, the loss of the lubricating oil is also prevented, and on the other hand, the labyrinth design is adopted, the limit rotating speed of the bearing is not influenced, and the problems of low limit rotating speed and large temperature rise of the traditional sealing lip scheme can be effectively solved.
6. The supporting seat provided by the application adopts an upper-lower split design mode, is convenient for assembling the bearing, is also convenient for overhauling and replacing the bearing, the sealing element and the shaft seat fittings at ordinary times, and provides convenience for popularization and use.
7. The oil inlet and the oil outlet are respectively arranged on the outer side end surfaces of the upper and lower box seats of the supporting seat, so that the bearing is convenient to be connected with a hydraulic pipeline, and the bearing is convenient to overhaul and maintain, for example, an oil pipe joint in the oil inlet and the oil outlet of the supporting seat can be periodically connected with a special cleaning pump station for the bearing in an external connection manner, and the bearing can be directly cleaned under the condition that the bearing is not dismounted.
8. The sealing ring and the framework oil seal are favorable for sealing and stabilizing the lubrication system, and the reliability of the system operation is improved.
9. The lubricating device has the advantages of simple structure and low installation cost, is beneficial to filtering, cooling and replacement of lubricating oil, is beneficial to multipoint oil supply for the bearings in the plurality of supporting seats, and can realize real-time monitoring of lubrication and working states of the bearings.
Drawings
FIG. 1 is a schematic view of a bearing structure according to an embodiment of the present application;
FIG. 2 is a schematic view of an assembly structure of a bearing and a support base according to an embodiment of the present application;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is a schematic diagram of a fuel injection pipe according to an embodiment of the present application;
FIG. 6 is a schematic illustration of an outer bearing mount and an inner bearing mount according to an embodiment of the present application;
FIG. 7 is a schematic view of an outer hub seal end cap and an inner hub seal end cap according to an embodiment of the present application;
FIG. 8 is a schematic view of a support structure according to an embodiment of the present application;
FIG. 9 is a view in the direction A of FIG. 8;
FIG. 10 is a schematic view of a cage according to an embodiment of the present application;
FIG. 11 is an enlarged view of a portion C of a seal housing according to an embodiment of the present application;
FIG. 12 is a schematic diagram of the working principle of a lubrication device according to an embodiment of the present application;
wherein: 1. bearing inner race, 2, bearing outer race, 201, outer face, 202, inner face, 3, roller, 4, cage, 41, roller mounting portion, 5, seal housing, 51, outer race seal housing, 510, inner race seal housing, 511, seal housing, 52, inner race seal housing, 6, upper guide post, 61, small threaded bore, 7, lower guide post, 71, oil collection through bore, 8, stepped clamping groove, 9, oil injection pipe, 10, pipe seat, 11, pipe body, 12, pipe head, 13, round hole, 14, first screw, 15, upper box seat, 16, lower box seat, 17, upper lug seat, 18, lower lug seat, 19, screw, 20, outer axle seat seal end cap, 21, spindle, 22, inner axle seat seal end cap, 23, upper guide post, 24, oil inlet, 25, lower guide post hole, 26, oil return hole, 27, oil pipe joint, 28, second screw, 29, outer bearing mount, 30, inner bearing mount, 31, first "Y" seal ring, 32, first "O" seal ring, 33, second "Y" seal ring, 34, second "O" seal ring, 35, third "O" seal ring, 36, fourth "O" seal ring, 100, lubrication device, 101, oil tank, 102, oil suction filter, 103, motor, 104, oil pump, 105, overflow valve, 106, pressure gauge, 107, pressure line coarse oil filter, 108, fine oil filter with a blockage indication signaling device, 109, check valve, 110, accumulator, 111, oil separator, 112, oil supply pipe, 113, oil return pipe, 114, flow sensor, 115, temperature sensor, 116, oil collector, 117, cooler, 118, controller, 119, control system.
Detailed Description
The application will be further described with reference to the drawings and examples for the purpose of illustrating the features of the application.
Referring to fig. 1 to 4, an embodiment of the application provides a bearing for a spindle of a photovoltaic solar crystalline silicon slicer and a supporting seat thereof, wherein the bearing comprises a bearing inner ring 1, a bearing outer ring 2, rollers 3, a retainer 4 and a sealing shell 5, the bearing inner ring 1 is provided with double raceways, the raceways of the bearing outer ring 2 are spherical, the rollers 3 are spherical rollers, the rollers 3 are arranged between the bearing inner ring 1 and the bearing outer ring 2 in double rows through the retainer 4, an upper guide post 6 and a lower guide post 7 are symmetrically and fixedly arranged on the outer surface 201 of the bearing outer ring 2, a small threaded hole 61 is arranged in the upper guide post 6, the small threaded hole 61 extends and penetrates through the bearing outer ring 2, an oil injection pipe 9 matched with the small threaded hole 61 is arranged in the small threaded hole 61, an oil collecting through hole 71 is arranged in the lower guide post 7, and the oil collecting through hole 71 extends and penetrates through the bearing outer ring 2.
In this embodiment, it is recommended that the upper guide post 6, the lower guide post 7 and the bearing outer ring 2 are integrally machined, so that the connection strength between the bearing outer ring 2 and the upper guide post 6 and the lower guide post 7 can be fully ensured, and the bearing outer ring 2 can be machined in an integral forging mode. Of course, the upper guide post 6 and the lower guide post 7 can be connected and fixed with the bearing outer ring 2 in a threaded connection manner, threads can be respectively arranged on the outer surfaces of the upper guide post 6 and the lower guide post 7, large threaded holes are symmetrically arranged on the outer surface 201 of the bearing outer ring 2, the upper guide post 6 and the lower guide post 7 are fixedly connected with the outer surface 201 of the bearing outer ring 2 through the large threaded holes arranged on the outer surface of the bearing outer ring 2, and the connecting manner has the advantages that the upper guide post 6, the lower guide post 7 and the bearing outer ring 2 can be respectively processed, and is particularly convenient for processing the outer surface 201 of the bearing outer ring 2. The upper guide post 6 and the lower guide post 7 can be symmetrically fixed on the outer surface 201 of the bearing outer ring 2 in a welding mode. The production units can be selected according to the advantages of the technology and equipment, and of course, the production units can be connected by threads firstly and then spot welded for preventing loosening, and in a word, the fixed connection mode can be flexibly selected according to the processing capacity of the production units.
Referring to fig. 3 and 5, the injection pipe 9 includes a pipe seat 10, a pipe body 11, and a pipe head 12 that are integrally connected; the tube seat 10 is hexagonal, the diameter of the circumcircle of the tube seat 10 is larger than that of a small threaded hole 61 arranged in the upper guide post 6, the tube seat 10 is connected with the tube body 11, and threads matched with the small threaded hole 61 are arranged on the tube body 11; the tube head 12 is conical, the tip is closed, round holes 13 are uniformly distributed on the side face, and the bottom surface of the tube head 12 is connected with the tube body 11; the through holes inside the tube seat 10, the tube body 11 and the tube head 12 form a lubrication oil supply pipeline of the bearing. The diameter of the round hole 13 is 0.5 mm-1 mm, the oil spraying lubrication effect can be guaranteed in the diameter range, and lubricating oil with certain pressure sprayed out of the round hole 13 can enter the roller path through the gap between the retainer 4 and the roller 3 and the gap between the roller 3 and the bearing inner ring 1 and the bearing outer ring 2, so that the effects of generating a lubricating oil film, taking away impurities and bearing heat are achieved.
In this embodiment, after the oil spray pipe 9 is assembled with the bearing outer ring 2, the plane of the bottom surface of the pipe head 12 is tangent to the inner surface of the bearing outer ring 2, or the plane of the bottom surface of the pipe head 12 is between the outer surface and the inner surface of the bearing outer ring 2, the height of the pipe head 12 is smaller than the shortest distance between the inner surface 202 of the bearing outer ring 2 and the retainer 4, so that the pipe head 12 can be ensured not to touch the roller 3 and the retainer 4 during operation. Regarding the exact taper of the tube head 12 and the length of the oil spray tube 9 or the length of the tube head 12 penetrating below the inner surface 202 of the bearing outer ring 2, the allowable aligning angle between the inner and outer rings of the sealed aligning roller bearing is not more than 0.5 ° according to the design criteria of the sealed bearing in the application of rotation of the inner ring, and the skilled person can determine the parameters according to satisfying both the lubrication effect and the allowable aligning angle range between the inner and outer rings of the bearing, because the available space is enough, a larger selection range is provided, and no finer details are provided here. In this embodiment, the oil spraying pipe 9 is arranged in the small threaded hole 61 in the upper guide post 6, and the structure, shape and position of the oil spraying pipe 9 are set, so that the reliability of the supply of bearing lubricating oil is improved, and the lubrication of the bearing is more in line with the bearing lubrication requirements of high rotating speed, large load and reliable lubrication of the crystal silicon slicer. The injection pipe 9 can be fitted into the small threaded hole 61 in the upper guide post 6 in the final step of bearing machining.
In this embodiment, the diameter of the oil collecting through hole 71 is larger than the nominal diameter of the small threaded hole 61, so that the flow resistance of the lubricating oil in the bearing is small, impurities and heat of the bearing can be taken away in time, the sealing pressure is relieved, and the sealing effect is ensured.
Referring to fig. 1, 2 and 10, the cage 4 is made of glass fiber reinforced nylon 66 material by integral injection molding, the cage 4 is positioned at the position of the central line of the raceway between the inner ring and the outer ring of the bearing, the thickness of the cage 4 occupies about half of the thickness of the raceway space, the whole cage 4 is cone-shaped, the periphery of the cage 4 is provided with uniformly distributed roller mounting parts 41, the shape of the roller mounting parts 41 of the cage 4 is consistent with the cross section shape of the rollers 3, and the rollers 3 are arranged in the roller mounting parts 41 of the cage from the outer side of the cage 4. The retainer is made of glass fiber reinforced nylon 66, and compared with a stamped steel retainer, the noise during operation is obviously reduced, and the friction resistance is small. Of course, the present application is not limited to the above bearing structure, but may be a bearing of similar structure or other cage materials in the prior art.
Referring to fig. 1 and 11, two ends of an outer surface 201 of a bearing outer ring 2 are provided with step clamping grooves 8, a seal housing 5 arranged on two side end surfaces of the bearing is composed of a bearing outer ring seal housing 51 and a bearing inner ring seal housing 52, the bearing outer ring seal housing 51 comprises a fixing part 510 matched with the step clamping grooves 8 of the bearing outer ring 2 and the side surface of the bearing outer ring 2, and a sealing cover part 511 for sealing a bearing raceway, the bearing inner ring seal housing 52 is attached to the side surface of the bearing inner ring 1, and the joint of the two seal housings is in a 'back' labyrinth design. The sealing shells on the two end surfaces of the bearing adopt a 'back' labyrinth structure design, so that on one hand, the protection is provided for lubricating oil in the bearing, the pollution of foreign matters is prevented, the loss of the lubricating oil is also prevented, and on the other hand, the labyrinth design is adopted, the limit rotating speed of the bearing is not influenced, and the problems of low limit rotating speed and large temperature rise of the traditional sealing lip scheme can be effectively solved.
Referring to fig. 2 to 9, the supporting seat for a bearing for a spindle of a photovoltaic solar crystalline silicon slicer provided by the embodiment of the application, which is used with the bearing, comprises an upper box seat 15, a lower box seat 16, a shaft seat sealing end cover and a bearing fixing piece, wherein the lower box seat 16 and the shaft seat sealing end cover are matched with the upper box seat 15 to form a bearing placing cavity together; an upper lug seat 17 which is bilaterally symmetrical is arranged on the upper box seat 15 on the upper side of the contact end surface of the upper box seat 15 and the lower box seat 16, a bilaterally symmetrical lower lug seat 18 is arranged on the lower box seat 16 on the lower side of the contact end surface of the upper box seat 15 and the lower box seat 16, and the upper lug seat 17 and the lower lug seat 18 on the same side are fixedly connected through bolts 19; the shaft seat sealing end cover comprises an outer shaft seat sealing end cover 20 arranged on the outer side of the bearing and an inner shaft seat sealing end cover 22 arranged on the inner side of the bearing and in sealing fit with the main shaft 21, and the outer shaft seat sealing end cover 20 and the inner shaft seat sealing end cover 22 are respectively fixedly connected with the upper box seat 15 and the lower box seat 16 through first screws 14; an upper guide post hole 23 matched with the upper guide post 6 of the bearing for the main shaft of the photovoltaic solar crystalline silicon slicer provided by the embodiment of the application is arranged on the bearing contact surface of the upper box seat 15, and an oil inlet hole 24 communicated with the upper guide post hole 23 is arranged on the outer side end surface of the upper box seat 15; a lower guide post hole 25 matched with the lower guide post 7 of the bearing is arranged on the bearing contact surface of the lower box seat 16, and an oil return hole 26 communicated with the lower guide post hole 25 is arranged on the outer side end surface of the lower box seat 16. The supporting seat provided by the embodiment adopts an upper-lower split design mode, is convenient for the assembly of the bearing, is also convenient for the maintenance and replacement of the bearing, the sealing element and the shaft seat fittings at ordinary times, and provides convenience for the popularization and the use of the embodiment.
In the present application, the outer end face of the upper case 15, the outer end face of the lower case 16, and the outer end face of the bearing refer to one side in the axial direction of the main shaft 21, and therefore, the inner end face of the upper case 15, the inner end face of the lower case 16, and the inner end face of the bearing refer to the opposite side in the axial direction of the main shaft 21.
In the present embodiment, threads are provided in the oil inlet hole 24 of the upper tank base 15 and the oil return hole 26 of the lower tank base 16, and the oil inlet hole 24 and the oil return hole 26 are connected to the oil supply pipe 112 and the oil return pipe 113 of the lubricating apparatus 100 through the oil pipe joint 27 provided therein, respectively.
The bearing for the main shaft of this embodiment is provided with the upper guide post 6 and the lower guide post 7, and the supporting seat for the main shaft is provided with the upper guide post hole 23 and the lower guide post hole 25 which are matched with the upper guide post 6 and the lower guide post 7, so that on one hand, the axial offset between the outer ring 2 of the bearing and the supporting seat can be effectively avoided, the unnecessary friction heat generation and the failure damage of the bearing are generated, and on the other hand, a feasible channel is provided for the supply and recovery of lubricating oil. The oil inlet hole 24 and the oil return hole 26 are respectively arranged on the outer side end surfaces of the upper box seat and the lower box seat of the supporting seat, so that the bearing is convenient to connect with a hydraulic pipeline, and also convenient to overhaul and maintain, for example, the oil pipe joint 27 in the oil inlet hole 24 and the oil return hole 26 of the supporting seat can be connected with a special cleaning pump station for the bearing at regular intervals, and the bearing can be cleaned at regular intervals under the condition that the bearing is not dismounted.
In this embodiment, the bearing fixing members include an outer bearing fixing member 29 and an inner bearing fixing member 30, where the outer bearing fixing member 29 is fixed to the end of the main shaft 21 by a second screw 28, and is in sealing contact with the outer ring seal housing 51 by a first "Y" seal ring 31, and is in sealing contact with the inner ring seal housing 52 by a first "O" seal ring 32. The inner bearing fixing piece 30 is in interference fit connection with the main shaft 21 and abuts against the shaft shoulder, and the inner bearing fixing piece 30 is in sealing contact with the outer ring sealing shell 51 of the inner side end face of the bearing through the second Y-shaped sealing ring 33 and in sealing contact with the inner ring sealing shell 52 through the second O-shaped sealing ring 34. The "Y" seal ring is suitable for dynamic sealing and the "O" seal ring is suitable for static sealing, the seal ring type being selected according to the relative movement between the outer bearing mount 29 and the inner bearing mount 30 and the outer ring seal housing 51 and the inner ring seal housing 52, respectively.
A third O-shaped sealing ring 35 which is in sealing fit with the upper guide post 6 is arranged in the upper guide post hole 23 of the upper box seat 15; in the lower guide post hole 25 of the lower box seat 16, a fourth O-ring 36 is provided which is in sealing engagement with the lower guide post 7.
The arrangement of a plurality of sealing rings is beneficial to the sealing and stable operation of the lubrication system, and the operation reliability of the lubrication system is improved.
Referring to fig. 12, the lubrication device 100 includes components connected in series or parallel through a lubrication oil path, and the components include an oil tank 101, an oil suction filter 102, and an oil pump 104, where the oil pump 104 is connected to a motor 103, and the motor 103 may be a direct current motor, an alternating current motor, or even a motor or other transmission mechanism connected to a power device, and a person skilled in the art may select an optimal power supply manner according to the actual situation on site. The device also comprises an overflow valve 105, a pressure gauge 106, a pressure pipeline coarse oil filter 107, a fine oil filter 108 with a blockage indication signaling device, a one-way valve 109, an energy accumulator 110 and an oil distributor 111, wherein the oil distributor 111 distributes a multi-way oil supply pipe 112 for supplying lubricating oil to bearings in a plurality of supporting seats of a main shaft of the crystal silicon slicer. Each oil supply pipe 112 is connected with an oil pipe joint 27 on an upper box seat 15 of a supporting seat, lubricating oil enters an oil return pipe 113 from the oil pipe joint 27 on a lower box seat 16 of the supporting seat, and a flow sensor 114 and a temperature sensor 115 are further arranged on the oil return pipe 113 and used for monitoring the lubrication condition and the working state of each bearing. The oil return pipe 113 is connected with the oil collector 116, the oil collector 116 can be a small oil tank for collecting lubricating oil flowing out of each shaft seat, the oil collector is communicated with the cooler 117, the cooler 117 can adopt an air cooling mode, and circulating water can be used for refrigerating. In order to realize automatic control and monitoring in time, in this embodiment, the lubrication device 100 further includes a controller 118, where the controller 118 is connected to the motor 103, the pressure gauge 106, the fine oil filter 108 with a blockage indication signaling device, the flow sensor 114 and the temperature sensor 115 on the oil return pipe 113 of each shaft seat, the cooler 117, and the control system 119 through a control circuit, so as to realize real-time monitoring of the working state of the bearing and the lubrication system in each shaft seat on the solar cell support frame, and ensure safe and reliable operation of the spindle of the photovoltaic solar crystalline silicon slicer.
The bearing and the supporting seat thereof provided by the embodiment adopt a novel lubrication mode for the bearing of the main shaft of the photovoltaic solar crystal silicon slicer, provide structural support and provide practicable structural guarantee for adopting a circulating oil lubrication mode. After the main shaft bearing of the crystal silicon slicer adopts the oil spraying lubrication mode in the circulating oil lubrication, compared with the existing lubricating grease lubrication, the main shaft bearing of the crystal silicon slicer adopts the lubricating oil with low viscosity relative to the lubricating grease for oil spraying lubrication, and the lubricating oil can directly reach all parts in the bearing, so that the lubrication is more sufficient; the pressure and the flow of the lubricating oil station are regulated, so that the pressure and the quantity of the lubricating oil supplied to each bearing can be accurately controlled, and the working condition of the spindle bearing of the photovoltaic solar crystalline silicon slicer is adapted; the heat dissipation and impurity removal capability is strong, after the circulating oil is adopted for lubrication, heat generated by the bearing operation can be cooled through the circulating oil, and various impurities such as water vapor, silicon powder and the like in the bearing can be timely removed and filtered, so that the lubrication reliability is high, and the service life, the working reliability and the safety of the bearing are improved; because the lubricating oil is adopted for lubrication, the rotation resistance of the bearing is greatly reduced relative to a lubricating grease lubrication mode, the energy consumption of the main shaft operation of the photovoltaic solar crystalline silicon slicer is greatly reduced, and finally, because the lubricating oil can be conveniently and periodically replaced, the quality of the lubricating oil can be free from adopting high-specification lubricating oil like the lubricating grease lubrication, and the use cost of the lubricating oil is reduced; although the earlier equipment investment of the lubricating mode is higher, the lubricating mode has the advantages of saving energy consumption, reducing noise, safe operation, comprehensive comparison of maintenance cost and strong popularization and utilization value.
The above examples and drawings are only for illustrating the technical aspects of the present application, but not for limiting the same, and it should be understood by those skilled in the art that the present application is described in detail with reference to the preferred embodiments, and that the changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present application and the scope of the claims of the present application. Other related art structures not disclosed in detail in the present application are prior art in the field.
Claims (8)
1. The utility model provides a photovoltaic solar energy crystal silicon slicer bearing for main shaft, includes bearing inner race (1), bearing outer lane (2), roller (3), holder (4) and seal housing (5), bearing inner race (1) have double raceway, bearing outer lane (2) raceway is the sphere, roller (3) are spherical roller, roller (3) are arranged in the bearing inner race (1) and between bearing outer lane (2) through holder (4) double row, its characterized in that: an upper guide post (6) and a lower guide post (7) are symmetrically and fixedly arranged on the outer surface (201) of the bearing outer ring (2), a small threaded hole (61) is formed in the upper guide post (6), the small threaded hole (61) extends and penetrates through the bearing outer ring (2), an oil injection pipe (9) matched with the small threaded hole (61) is arranged in the small threaded hole (61), an oil collecting through hole (71) is formed in the lower guide post (7), and the oil collecting through hole (71) extends and penetrates through the bearing outer ring (2);
the oil injection pipe (9) comprises a pipe seat (10), a pipe body (11) and a pipe head (12) which are integrally connected; the pipe seat (10) is hexagonal, the diameter of an external circle of the pipe seat (10) is larger than that of a small threaded hole (61) formed in the upper guide pillar (6), the pipe seat (10) is connected with the pipe body (11), and threads matched with the small threaded hole (61) are formed in the pipe body (11); the pipe head (12) is conical, the tip is closed, round holes (13) are uniformly distributed on the side face, and the bottom face of the pipe head (12) is connected with the pipe body (11); the lubricating oil supply pipeline of the bearing is formed by the tube seat (10), the tube body (11) and the through holes in the tube head (12).
2. The bearing for a spindle of a photovoltaic solar silicon wafer slicer according to claim 1, wherein: the upper guide post (6) and the lower guide post (7) are integrated with the bearing outer ring (2).
3. The bearing for a spindle of a photovoltaic solar silicon wafer slicer according to claim 1, wherein: threads are respectively arranged on the outer surfaces of the upper guide post (6) and the lower guide post (7), large threaded holes are symmetrically formed in the outer surface (201) of the bearing outer ring (2), and the upper guide post (6) and the lower guide post (7) are fixedly connected with the outer surface (201) of the bearing outer ring (2) through thread pairs.
4. The bearing for a spindle of a photovoltaic solar silicon wafer slicer according to claim 1, wherein: the diameter of the oil collecting through hole (71) is larger than the nominal diameter of the small threaded hole (61).
5. The bearing for a spindle of a photovoltaic solar silicon wafer slicer according to claim 1, wherein: the two ends of the outer surface (201) of the bearing outer ring (2) are provided with step clamping grooves (8), a seal shell (5) arranged on the end surfaces of two sides of the bearing is composed of an outer ring seal shell (51) and an inner ring seal shell (52), the outer ring seal shell (51) comprises a fixing part (510) matched with the step clamping grooves (8) of the bearing outer ring (2) and the side surfaces of the bearing outer ring (2) and a sealing cover part (511) for sealing the bearing roller path, the inner ring seal shell (52) is attached to the side surfaces of the bearing inner ring (1), and the joint of the two seal shells is a 'back' labyrinth design.
6. A supporting seat for a photovoltaic solar crystalline silicon slicer main shaft is characterized in that: comprises an upper box seat (15), a lower box seat (16) which is matched with the upper box seat (15) to form a bearing placing cavity together, a shaft seat sealing end cover and a bearing fixing piece; an upper lug seat (17) which is bilaterally symmetrical is arranged on the upper box seat (15) on the upper side of the contact end surface of the upper box seat (15) and the lower box seat (16), a lower lug seat (18) which is bilaterally symmetrical is arranged on the lower box seat (16) on the lower side of the contact end surface of the upper box seat (15) and the lower box seat (16), and the upper lug seat (17) and the lower lug seat (18) on the same side are fixedly connected through bolts (19); the shaft seat sealing end cover comprises an outer shaft seat sealing end cover (20) arranged on the outer side of the bearing and an inner shaft seat sealing end cover (22) arranged on the inner side of the bearing and in sealing fit with the main shaft (21), and the outer shaft seat sealing end cover (20) and the inner shaft seat sealing end cover (22) are fixedly connected with the upper box seat (15) and the lower box seat (16) through first screws (14) respectively; an upper guide post hole (23) matched with the upper guide post (6) of the bearing for the main shaft of the photovoltaic solar crystal silicon slicer is formed in the bearing contact surface of the upper box seat (15), and an oil inlet hole (24) communicated with the upper guide post hole (23) is formed in the outer side end surface of the upper box seat (15); a lower guide post hole (25) matched with a lower guide post (7) of the bearing is formed in a bearing contact surface of the lower box seat (16), and an oil return hole (26) communicated with the lower guide post hole (25) is formed in the outer side end surface of the lower box seat (16).
7. The support base for a spindle of a photovoltaic solar silicon wafer slicer of claim 6, wherein: threads are arranged in an oil inlet hole (24) of the upper box seat (15) and an oil return hole (26) of the lower box seat (16), and the oil inlet hole (24) and the oil return hole (26) are respectively connected with an oil supply pipe (112) and an oil return pipe (113) of the lubricating device (100) through an oil pipe joint (27) arranged in the oil inlet hole and the oil return hole; the lubrication device (100) is arranged on the chassis of the crystal silicon slicer.
8. The support for a photovoltaic solar silicon microtome main shaft of claim 7, wherein: the bearing fixing piece comprises an outer bearing fixing piece (29) and an inner bearing fixing piece (30), wherein the outer bearing fixing piece (29) is fixed at the end part of the main shaft (21) through a second screw (28) and is in sealing contact with the outer ring sealing shell (51) through a first Y-shaped sealing ring (31), and is in sealing contact with the inner ring sealing shell (52) through a first O-shaped sealing ring (32); the inner bearing fixing piece (30) is connected with the main shaft (21) in an interference fit mode and abuts against the shaft shoulder, the inner bearing fixing piece (30) is in sealing contact with the outer ring sealing shell (51) of the inner side end face of the bearing through a second Y-shaped sealing ring (33), and the inner bearing fixing piece is in sealing contact with the inner ring sealing shell (52) through a second O-shaped sealing ring (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311038853.XA CN116753240B (en) | 2023-08-17 | 2023-08-17 | Bearing for spindle of photovoltaic solar crystalline silicon slicer and supporting seat of bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311038853.XA CN116753240B (en) | 2023-08-17 | 2023-08-17 | Bearing for spindle of photovoltaic solar crystalline silicon slicer and supporting seat of bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116753240A CN116753240A (en) | 2023-09-15 |
| CN116753240B true CN116753240B (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311038853.XA Active CN116753240B (en) | 2023-08-17 | 2023-08-17 | Bearing for spindle of photovoltaic solar crystalline silicon slicer and supporting seat of bearing |
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| CN (1) | CN116753240B (en) |
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| CN107314037A (en) * | 2017-07-17 | 2017-11-03 | 安徽利达汽车轴承制造有限公司 | A kind of bearing of convenient dismounting |
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| CN210949540U (en) * | 2019-11-08 | 2020-07-07 | 无锡延浦轴承制造有限公司 | Self-aligning roller bearing |
| CN216666259U (en) * | 2021-09-16 | 2022-06-03 | 安徽天运粉末冶金有限公司 | Engine bearing seat convenient for lubricating operation |
| CN217130108U (en) * | 2022-04-13 | 2022-08-05 | 安徽行知机械科技有限公司 | High-strength and high-toughness bearing ring |
| CN115929784A (en) * | 2022-12-13 | 2023-04-07 | 重庆瑞思运维科技有限公司 | Substitute bearing structure of spherical roller bearing |
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2023
- 2023-08-17 CN CN202311038853.XA patent/CN116753240B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102348901A (en) * | 2009-03-11 | 2012-02-08 | Ntn株式会社 | Half-divided outer race, roller bearing and rotary shaft bearing arrangement |
| CN203822847U (en) * | 2014-03-27 | 2014-09-10 | 山东凯美瑞轴承科技有限公司 | Sealing type self-aligning roller bearing for high speed train |
| CN107314037A (en) * | 2017-07-17 | 2017-11-03 | 安徽利达汽车轴承制造有限公司 | A kind of bearing of convenient dismounting |
| CN208686823U (en) * | 2018-06-01 | 2019-04-02 | 苏州天工轴承有限公司 | A kind of split type bearing block |
| CN210949540U (en) * | 2019-11-08 | 2020-07-07 | 无锡延浦轴承制造有限公司 | Self-aligning roller bearing |
| CN216666259U (en) * | 2021-09-16 | 2022-06-03 | 安徽天运粉末冶金有限公司 | Engine bearing seat convenient for lubricating operation |
| CN217130108U (en) * | 2022-04-13 | 2022-08-05 | 安徽行知机械科技有限公司 | High-strength and high-toughness bearing ring |
| CN115929784A (en) * | 2022-12-13 | 2023-04-07 | 重庆瑞思运维科技有限公司 | Substitute bearing structure of spherical roller bearing |
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|---|---|
| CN116753240A (en) | 2023-09-15 |
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