CN114131504A - Main shaft structure with dustproof function - Google Patents
Main shaft structure with dustproof function Download PDFInfo
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- CN114131504A CN114131504A CN202111659688.0A CN202111659688A CN114131504A CN 114131504 A CN114131504 A CN 114131504A CN 202111659688 A CN202111659688 A CN 202111659688A CN 114131504 A CN114131504 A CN 114131504A
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- bearing
- main shaft
- shaft body
- end cover
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- 239000000428 dust Substances 0.000 claims abstract description 22
- 238000005498 polishing Methods 0.000 claims description 25
- 238000010791 quenching Methods 0.000 claims description 12
- 230000000171 quenching effect Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000008358 core component Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 24
- 239000004519 grease Substances 0.000 description 5
- 230000001050 lubricating effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a main shaft structure with a dustproof function, which comprises a main shaft body, a bearing shell, an upper bearing end cover, a lower bearing end cover, a dustproof cover, a first oil seal structure, a second oil seal structure and a taper sleeve type belt pulley, wherein the main shaft body is provided with a bearing shell; the taper sleeve type belt pulley is arranged at the lower end of the main shaft body, the upper end and the lower end of the bearing shell are respectively sealed by an upper bearing end cover and a lower bearing end cover, and a dustproof cover is arranged on the upper bearing end cover and seals the upper bearing end cover; the inner sides of the upper end and the lower end of the bearing shell are respectively provided with a first bearing and a second bearing, and the main shaft body sequentially penetrates through the lower bearing end cover, the second bearing, the first bearing, the upper bearing end cover and the dust cover from bottom to top. The device has simple structure and convenient assembly and disassembly; the dustproof bearing has a good dustproof effect, the service life of the bearing is prolonged, and the maintenance frequency of core components is reduced.
Description
Technical Field
The invention relates to the technical field of stainless steel product polishing related equipment, in particular to a spindle structure with a dustproof function.
Background
At present, when stainless steel products are polished, automatic equipment is basically adopted for polishing, an automatic production line is realized, and manual operation is reduced. The main shaft structure in the polishing automation equipment becomes a core component in the polishing equipment, and because the service environment of the polishing equipment is severe, a bearing in the main shaft is easy to damage, so that the maintenance frequency of the polishing equipment is high, the maintenance cost is high, the period is long, the utilization rate of the equipment is greatly reduced, and the productivity is reduced. The dust protection of the bearing becomes a key difficulty in the research and development and the manufacture of polishing equipment. The dustproof effect of current main shaft structure is not good, and after polishing time had been long, polishing wax can pile up on the oil blanket with the polishing dust, uses the oil blanket can wear and tear for a long time, and the polishing dust will get into in the bearing, and the polishing dust acts as rolling element and orbital abrasive material in the bearing with polishing wax, has grown the clearance increase between rolling element and the track for a long time, and the bearing damages, and axle rotation in-process is eccentric great. In addition, polishing dust and lubricating grease in the bearing are subjected to chemical reaction, the lubricating grease in the bearing loses efficacy, the phenomenon of serious heating can occur when the bearing loses lubrication of the grease in the process of high-speed rotation, and the service life of the bearing is greatly shortened.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a main shaft structure with a dustproof function.
The invention is realized by the following technical scheme: a main shaft structure with a dustproof function comprises a main shaft body, a bearing shell, an upper bearing end cover, a lower bearing end cover, a first bearing, a second bearing, a dustproof cover, a first oil seal structure, a second oil seal structure and a taper sleeve type belt pulley; when the spindle is installed and used, the axis of the spindle body is located in the vertical direction, the taper sleeve type belt pulley is installed at the lower end of the spindle body, and the taper sleeve type belt pulley is linked with a rotating shaft of a driving motor through a transmission belt; the base of the bearing shell is arranged on polishing automation equipment, the upper end and the lower end of the bearing shell are respectively sealed by the upper bearing end cover and the lower bearing end cover, and the dustproof cover is arranged on the upper bearing end cover and seals the upper bearing end cover; the bearing comprises a bearing shell, a first bearing, a second bearing, a lower bearing end cover, a second bearing, a first bearing, an upper bearing end cover and a dust cover, wherein the first bearing and the second bearing are respectively installed on the inner sides of the upper end and the lower end of the bearing shell, the main shaft body sequentially penetrates through the bearing shell from bottom to top, the first bearing and the second bearing are respectively sleeved on the main shaft body, a first oil seal structure sleeve is sleeved on the periphery of the main shaft body and embedded in the upper bearing end cover, and a second oil seal structure sleeve is sleeved on the periphery of the main shaft body and embedded in the lower bearing end cover.
And the bearing shell is used for installing the bearing and the main shaft body. First oil blanket structure and second oil blanket structure can prevent the lubricating grease outflow in the bearing, can further reach dustproof effect. The taper sleeve type belt pulley is high in standardization degree, high in precision, compact in structure and convenient to mount and dismount, and the rotating energy of the driving motor is converted into the rotating force of the main shaft body through the transmission belt. The dust cover is arranged and used for sealing the connection between the bearing shell and the main shaft body and preventing dust from entering the bearing inside. The first bearing is matched with the second bearing, so that the main shaft body can be supported and connected in the bearing shell.
The spindle body is provided with a pin shaft structure, and the dust cover is locked on the spindle body through assembly with the pin shaft structure.
The pin shaft structure is a quenching internal thread cylindrical pin, the quenching internal thread cylindrical pin penetrates through the main shaft body, a mounting hole is formed in the opposite side of the dustproof cover, and two ends of the quenching internal thread cylindrical pin are respectively sleeved into the mounting hole and fixed with the dustproof cover through bolts. The hardness of the quenching internal thread cylindrical pin is high, and the quenching internal thread cylindrical pin is used for fixing the dustproof cover, so that the dustproof cover and the main shaft body rotate together, and larger torque force is provided.
The first oil seal structure and the second oil seal structure both adopt TC framework oil seals. The TC framework oil seal isolates the main shaft body from the upper end cover and the lower end cover of the bearing, so that the lubricating oil is prevented from leaking.
The first bearing is a deep groove ball bearing, and the deep groove ball bearing is embedded in the upper end of the bearing shell and connected with the upper end of the main shaft body. The deep groove ball bearing can bear radial load and also can bear a certain amount of axial load, and has small friction coefficient and high limit rotating speed.
The second bearing is a double-row angular contact ball bearing, and the deep groove ball bearing is embedded in the lower end of the bearing shell and connected with the lower end of the main shaft body. The double-row angular contact ball bearing can bear radial and axial combined load and moment load mainly comprising larger radial load.
The lower end of the main shaft body is connected with a K-shaped locking nut, and the double-row angular contact ball bearing is locked on the K-shaped locking nut. The K-shaped locking nut can tighten the double-row angular contact ball bearing to prevent the ball bearing from axially jumping.
The middle section of the main shaft body is provided with a circle of second level, and the lower section of the main shaft body is provided with a circle of third level; one end of the first bearing is propped against the second stage position, and the other end of the first bearing is propped against the upper end cover of the bearing; one end of the second bearing is propped against the third stage, and the other end of the second bearing is propped against the lower end cover of the bearing. The second stage is matched with the upper end cover of the bearing, so that the movable space of the first bearing can be restricted; the third stage is matched with the upper end cover of the bearing, so that the moving space of the second bearing can be restricted.
Compared with the prior art, the invention has the advantages that: the device has simple structure, convenient assembly and disassembly and low assembly difficulty; the dustproof bearing has a good dustproof effect, the service life of the bearing is prolonged, the maintenance frequency of core components is reduced, and the equipment is more durable; the cutting machine can be applied to severe environments such as polishing, sanding by a sander and the like, has small vibration, low noise and high rotating speed, and can meet various cutting occasions.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of the present invention taken along the longitudinal direction;
FIG. 2 is a cross-sectional view taken longitudinally through an embodiment of the present invention in use;
FIG. 3 is a perspective view of an embodiment of the present invention taken in longitudinal section;
FIG. 4 is a front view of an embodiment of the present invention;
FIG. 5 is a perspective view of an embodiment of the present invention;
FIG. 6 is a schematic structural view of the embodiment of the present invention with the bearing housing and the dust cap removed;
FIG. 7 is a schematic view of the structure of FIG. 5 with the end caps removed;
FIG. 8 is a cross-sectional view of an embodiment of the invention taken along the longitudinal direction with the bearing housing removed;
FIG. 9 is a perspective view of the embodiment of the present invention taken along the longitudinal direction with the bearing housing removed;
FIG. 10 is a front view of a spindle body according to an embodiment of the present invention;
FIG. 11 is a cross-sectional view of the spindle body taken along the longitudinal direction according to the embodiment of the present invention;
fig. 12 is a schematic structural diagram of an actual application of the embodiment of the present invention.
The reference numerals in the drawings mean: 1. a main shaft body; 101. a first level bit; 102. a second level bit; 103. a third level; 2. a bearing housing; 3. an upper bearing end cover; 4. a lower bearing end cap; 5. a first bearing; 6. a second bearing; 7. a dust cover; 8. a first oil seal structure; 9. a second oil seal structure; 10. a taper sleeve type belt pulley; 11. quenching the cylindrical pin with the internal thread; 12. an upper splint; 13. a lower splint; 14. a K-type lock nut; 15. mounting a nut; 16. polishing automation equipment; 17. dustproof main shaft structure.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Examples
Referring to fig. 1 to 11, a spindle structure with a dustproof function includes a spindle body 1, a bearing housing 2, an upper bearing end cap 3, a lower bearing end cap 4, a first bearing 5, a second bearing 6, a dustproof cap 7, a first oil seal structure 8, a second oil seal structure 9, a taper sleeve type belt pulley 10, and a clamping structure for clamping consumables; when the spindle is installed and used, the axis of the spindle body 1 is located in the vertical direction, the taper sleeve type belt pulley 10 is installed at the lower end of the spindle body 1, and the taper sleeve type belt pulley 10 is linked with a rotating shaft of a driving motor through a transmission belt; the base of the bearing shell 2 is arranged on the polishing automation equipment 16, the upper end and the lower end of the bearing shell 2 are respectively sealed by an upper bearing end cover 3 and a lower bearing end cover 4, and a dust cover 7 is arranged on the upper bearing end cover 3 and seals the upper bearing end cover 3; the inner sides of the upper end and the lower end of the bearing shell 2 are respectively provided with a first bearing 5 and a second bearing 6, when the main shaft body 1 passes through the bearing shell 2 from bottom to top, the main shaft body sequentially passes through a lower bearing end cover 4, the second bearing 6, the first bearing 5, an upper bearing end cover 3 and a dustproof cover 7, the first bearing 5 and the second bearing 6 are respectively sleeved on the main shaft body 1, a first oil seal structure 8 is sleeved on the periphery of the main shaft body 1 and is embedded in the upper bearing end cover 3, and a second oil seal structure 9 is sleeved on the periphery of the main shaft body 1 and is embedded in the lower bearing end cover 4; the clamping structure is arranged at the upper end of the main shaft body 1.
And the bearing shell 2 is used for installing the bearing and the main shaft body 1. The first oil seal structure 8 and the second oil seal structure 9 can prevent lubricating grease in the bearing from flowing out, and the dustproof effect can be further achieved. The taper sleeve type belt pulley 10 is high in standardization degree, high in precision, compact in structure and convenient to mount and dismount, and the rotation energy of the driving motor is converted into the rotation force of the main shaft body 1 through the transmission belt. The dust cap 7 is provided for sealing the connection of the bearing housing 2 and the main shaft body 1 to prevent dust from entering the bearing inside. The first bearing 5 and the second bearing 6 are matched to support the main shaft body 1 and enable the main shaft body 1 to be connected inside the bearing shell 2.
The main shaft body 1 is provided with a pin shaft structure, and the dust cover 7 is locked on the main shaft body 1 through being assembled with the pin shaft structure. In this implementation, the dust cover 7 adopts the groove design, and forms labyrinth dustproof with the bearing upper end cover.
The pin shaft structure is a quenching internal thread cylindrical pin 11, the quenching internal thread cylindrical pin 11 penetrates through the main shaft body 1, a mounting hole is formed in the opposite side of the dustproof cover 7, and two ends of the quenching internal thread cylindrical pin 11 are respectively sleeved into the mounting hole and fixed with the dustproof cover 7 through bolts. The hardened internal thread cylindrical pin 11 has high hardness and is used for fixing the dust cap 7, so that the dust cap 7 rotates together with the main shaft body 1, and provides larger torque force to prevent the main shaft body 1 from rotating.
The first oil seal structure 8 and the second oil seal structure 9 both adopt TC framework oil seals. The TC framework oil seal isolates the main shaft body 1 from the upper end cover and the lower end cover of the bearing, so that the lubricating oil is prevented from leaking.
The first bearing 5 is a deep groove ball bearing which is embedded in the upper end of the bearing shell 2 and connected with the upper end of the main shaft body 1. The deep groove ball bearing can bear radial load and also can bear a certain amount of axial load, and has small friction coefficient and high limit rotating speed. The bearing upper end cover can fix the outer ring of the deep groove ball bearing, so that the axial movement of the bearing outer ring is prevented, and the dustproof effect can be enhanced.
The second bearing 6 is a double-row angular contact ball bearing, and the deep groove ball bearing is embedded in the lower end of the bearing shell 2 and is connected with the lower end of the main shaft body 1. The double-row angular contact ball bearing can bear radial and axial combined load and moment load mainly comprising larger radial load.
The clamping structure comprises an upper clamping plate 12 and a lower clamping plate 13, a first level 101 is arranged at the upper end of the main shaft body 1, the lower clamping plate 13 is sleeved on the periphery of the upper end of the main shaft body 1, and the lower side of the lower clamping plate is propped against the first level 101; the periphery of the upper end of the main shaft body 1 is sleeved with the upper clamping plate 12 in a movable mode, the upper clamping plate 12 is located above the lower clamping plate 13, the main shaft body 1 is further provided with a mounting nut 15, the polishing material is sleeved on the upper end of the main shaft body 1, the lower side of the main shaft body pushes against the upper side of the lower clamping plate 13, the upper clamping plate 12 is sleeved on the periphery of the main shaft body 1 and slides to the position where the polishing material is clamped, and the mounting nut 15 is screwed on the periphery of the main shaft body 1 in a threaded mode and locks the upper clamping plate 12. The upper plate 12 and the lower plate 13 provide a large contact area, clamp consumables and prevent the consumables from loosening to influence polishing quality.
The mounting nut 15 is a stepped thread nut. The arrangement of the ladder tooth nut can lock the upper clamping plate 12, and the upper clamping plate 12 is prevented from loosening and falling off when the main shaft body 1 rotates.
The lower end of the main shaft body 1 is connected with a K-shaped locking nut 14, and a double-row angular contact ball bearing is locked on the K-shaped locking nut 14. The K-shaped locking nut 14 can tighten the double-row angular contact ball bearing to prevent the double-row angular contact ball bearing from axially jumping.
The middle section of the main shaft body 1 is provided with a circle of second level 102, and the lower section of the main shaft body is provided with a circle of third level 103; one end of the first bearing 5 is propped against the second stage 102, and the other end is propped against the upper end cover of the bearing; one end of the second bearing 6 is against the third stage position 103, and the other end is against the lower end cover of the bearing. The second-stage position 102 is matched with the upper end cover of the bearing, so that the movement space of the first bearing 5 can be limited; the third stage 103 cooperates with the upper end cap of the bearing to restrict the space available for the second bearing 6.
Referring to fig. 12, the dustproof spindle structure 17 of the present embodiment is installed in an application view of the polishing automation device 16 for polishing work. In this embodiment, the consumable refers to a polishing material, such as: a thousand impeller wheel, a hemp wheel or a cloth wheel.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a main shaft structure with dustproof function which characterized in that: the device comprises a main shaft body, a bearing shell, an upper bearing end cover, a lower bearing end cover, a first bearing, a second bearing, a dust cover, a first oil seal structure, a second oil seal structure and a taper sleeve type belt pulley; when the spindle is installed and used, the axis of the spindle body is located in the vertical direction, the taper sleeve type belt pulley is installed at the lower end of the spindle body, and the taper sleeve type belt pulley is linked with a rotating shaft of a driving motor through a transmission belt; the base of the bearing shell is arranged on polishing automation equipment, the upper end and the lower end of the bearing shell are respectively sealed by the upper bearing end cover and the lower bearing end cover, and the dustproof cover is arranged on the upper bearing end cover and seals the upper bearing end cover; the bearing comprises a bearing shell, a first bearing, a second bearing, a lower bearing end cover, a second bearing, a first bearing, an upper bearing end cover and a dust cover, wherein the first bearing and the second bearing are respectively installed on the inner sides of the upper end and the lower end of the bearing shell, the main shaft body sequentially penetrates through the bearing shell from bottom to top, the first bearing and the second bearing are respectively sleeved on the main shaft body, a first oil seal structure sleeve is sleeved on the periphery of the main shaft body and embedded in the upper bearing end cover, and a second oil seal structure sleeve is sleeved on the periphery of the main shaft body and embedded in the lower bearing end cover.
2. The main shaft structure with a dustproof function according to claim 1, wherein: the spindle body is provided with a pin shaft structure, and the dust cover is locked on the spindle body through assembly with the pin shaft structure.
3. The main shaft structure with a dustproof function according to claim 2, wherein: the pin shaft structure is a quenching internal thread cylindrical pin, the quenching internal thread cylindrical pin penetrates through the main shaft body, a mounting hole is formed in the opposite side of the dustproof cover, and two ends of the quenching internal thread cylindrical pin are respectively sleeved into the mounting hole and fixed with the dustproof cover through bolts.
4. The main shaft structure with a dustproof function according to claim 1, wherein: the first oil seal structure and the second oil seal structure both adopt TC framework oil seals.
5. The main shaft structure with a dustproof function according to claim 1, wherein: the first bearing is a deep groove ball bearing, and the deep groove ball bearing is embedded in the upper end of the bearing shell and connected with the upper end of the main shaft body.
6. The main shaft structure with a dustproof function according to claim 1, wherein: the second bearing is a double-row angular contact ball bearing, and the deep groove ball bearing is embedded in the lower end of the bearing shell and connected with the lower end of the main shaft body.
7. The main shaft structure with a dustproof function according to claim 6, wherein: the lower end of the main shaft body is connected with a K-shaped locking nut, and the double-row angular contact ball bearing is locked on the K-shaped locking nut.
8. The main shaft structure with a dustproof function according to claim 6, wherein: the middle section of the main shaft body is provided with a circle of second level, and the lower section of the main shaft body is provided with a circle of third level; one end of the first bearing is propped against the second stage position, and the other end of the first bearing is propped against the upper end cover of the bearing; one end of the second bearing is propped against the third stage, and the other end of the second bearing is propped against the lower end cover of the bearing.
Priority Applications (1)
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CN202111659688.0A CN114131504A (en) | 2021-12-31 | 2021-12-31 | Main shaft structure with dustproof function |
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CN202111659688.0A CN114131504A (en) | 2021-12-31 | 2021-12-31 | Main shaft structure with dustproof function |
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CN114131504A true CN114131504A (en) | 2022-03-04 |
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CN202111659688.0A Pending CN114131504A (en) | 2021-12-31 | 2021-12-31 | Main shaft structure with dustproof function |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202571302U (en) * | 2012-04-28 | 2012-12-05 | 宁波明和数控机械制造有限公司 | Self-made power head for numerically controlled lathe |
CN203356612U (en) * | 2013-06-29 | 2013-12-25 | 浙江晨龙锯床股份有限公司 | Main shaft structure of high-speed circular sawing machine |
CN206123270U (en) * | 2016-11-07 | 2017-04-26 | 红河学院 | Vertical machining center cutter main shaft structure |
CN107775823A (en) * | 2017-11-17 | 2018-03-09 | 福建省南安市万福机械有限公司 | A kind of modified main spindle box and the slab cutting machine with modified main spindle box |
CN208743709U (en) * | 2018-07-27 | 2019-04-16 | 宝鸡山崎精工智能装备有限公司 | A kind of main shaft of numerical control machine tool |
CN208787558U (en) * | 2018-09-28 | 2019-04-26 | 南通星汉机械有限公司 | Razor roll flute main shaft |
CN112428144A (en) * | 2020-12-08 | 2021-03-02 | 中山迪威玻璃机械制造有限公司 | Waterproof main shaft mechanism of glass edge grinding machine |
CN214923412U (en) * | 2020-10-19 | 2021-11-30 | 浙江艾精机科技股份有限公司 | Workpiece spindle assembly for grinding machine |
CN217045973U (en) * | 2021-12-31 | 2022-07-26 | 广东凌丰五金装备科技股份有限公司 | Main shaft structure with dustproof function |
-
2021
- 2021-12-31 CN CN202111659688.0A patent/CN114131504A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202571302U (en) * | 2012-04-28 | 2012-12-05 | 宁波明和数控机械制造有限公司 | Self-made power head for numerically controlled lathe |
CN203356612U (en) * | 2013-06-29 | 2013-12-25 | 浙江晨龙锯床股份有限公司 | Main shaft structure of high-speed circular sawing machine |
CN206123270U (en) * | 2016-11-07 | 2017-04-26 | 红河学院 | Vertical machining center cutter main shaft structure |
CN107775823A (en) * | 2017-11-17 | 2018-03-09 | 福建省南安市万福机械有限公司 | A kind of modified main spindle box and the slab cutting machine with modified main spindle box |
CN208743709U (en) * | 2018-07-27 | 2019-04-16 | 宝鸡山崎精工智能装备有限公司 | A kind of main shaft of numerical control machine tool |
CN208787558U (en) * | 2018-09-28 | 2019-04-26 | 南通星汉机械有限公司 | Razor roll flute main shaft |
CN214923412U (en) * | 2020-10-19 | 2021-11-30 | 浙江艾精机科技股份有限公司 | Workpiece spindle assembly for grinding machine |
CN112428144A (en) * | 2020-12-08 | 2021-03-02 | 中山迪威玻璃机械制造有限公司 | Waterproof main shaft mechanism of glass edge grinding machine |
CN217045973U (en) * | 2021-12-31 | 2022-07-26 | 广东凌丰五金装备科技股份有限公司 | Main shaft structure with dustproof function |
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