CN115338686A - Machine tool spindle - Google Patents

Machine tool spindle Download PDF

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Publication number
CN115338686A
CN115338686A CN202211271620.XA CN202211271620A CN115338686A CN 115338686 A CN115338686 A CN 115338686A CN 202211271620 A CN202211271620 A CN 202211271620A CN 115338686 A CN115338686 A CN 115338686A
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CN
China
Prior art keywords
oil
storage tank
shaft body
oil storage
assembly
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Granted
Application number
CN202211271620.XA
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Chinese (zh)
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CN115338686B (en
Inventor
周一波
陈烨
汤俊
李敬
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Jiangsu Weize Intelligent Technology Co ltd
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Jiangsu Weize Intelligent Technology Co ltd
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Priority to CN202211271620.XA priority Critical patent/CN115338686B/en
Publication of CN115338686A publication Critical patent/CN115338686A/en
Application granted granted Critical
Publication of CN115338686B publication Critical patent/CN115338686B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/12Arrangements for cooling or lubricating parts of the machine
    • B23Q11/126Arrangements for cooling or lubricating parts of the machine for cooling only
    • B23Q11/127Arrangements for cooling or lubricating parts of the machine for cooling only for cooling motors or spindles
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Abstract

The invention belongs to the technical field of processing machine tools, in particular to a main shaft of a processing machine tool, which comprises: the device comprises a main shaft assembly, a lubricating assembly and a heat dissipation assembly; the spindle assembly comprises an axle box, a bearing arranged on the inner side of the axle box, a first shaft body and a second shaft body which are assembled in the bearing and spliced together, and shaft end covers which are connected to two sides of the axle box and used for fixing the first shaft body and the second shaft body; the lubrication assembly is disposed inside the axle housing. According to the invention, through the lubricating component, the oil storage tank can be arranged in the main shaft for storing oil, and lubricating oil is continuously discharged and sucked under the action of the electromagnetic valve and the oil pump, so that the bearing is fully lubricated in the process, meanwhile, heat around the bearing can be carried away by the lubrication, the heat is introduced into the lubricating oil in the oil storage tank, and the lubricating component is subsequently utilized to dissipate heat, so that the heat dissipation is realized while the lubricating oil is circularly supplemented.

Description

Machine tool spindle
Technical Field
The invention relates to the technical field of processing machines, in particular to a spindle of a processing machine tool.
Background
The machining machine tool is a machine for manufacturing machines, plays an important role in national economy and modernization construction, is mainly a machine tool for turning a rotating workpiece by using a turning tool, can also be used for correspondingly machining a drill bit, a reamer, a screw tap, a die, a knurling tool and the like on the turning tool, is mainly used for machining a shaft, a disc, a sleeve and other workpieces with rotating surfaces, and is a type of machining equipment which is most widely used in machinery manufacturing and repairing factories.
The main shaft is the axle that is used for giving the processing head power among the machine tool, the main shaft drives the processing head under certain speed rotates and processes the work piece, nevertheless can produce a large amount of heats between high-speed pivoted main shaft and the bearing, the bearing at main shaft both ends is in the operating condition always, produce high temperature not only can accelerate the volatilization of lubricating oil, make the high friction operation of bearing, but also a large amount of heats still have the potential safety hazard, need regularly supplementary lubricating oil and heat dissipation, consequently still lack a machine tool main shaft at present, can realize the heat dissipation when the circulation supplyes lubricating oil.
Disclosure of Invention
The present invention is directed to solving one of the technical problems of the prior art or the related art.
Therefore, the technical scheme adopted by the invention is as follows:
a machine tool spindle comprising: the device comprises a main shaft assembly, a lubricating assembly and a heat radiating assembly; the spindle assembly comprises an axle box, a bearing arranged on the inner side of the axle box, a first shaft body and a second shaft body which are assembled in the bearing and spliced together, and shaft end covers which are connected to two sides of the axle box and used for fixing the first shaft body and the second shaft body; the lubricating component is arranged on the inner side of the axle box and comprises a mounting cavity arranged in the first shaft body and the second shaft body, an oil storage tank clamped in the mounting cavity, an oil outlet pipe connected with the oil storage tank and positioned on the inner side of the bearing, electromagnetic valves respectively embedded in the first shaft body and the second shaft body and connected with the oil outlet pipe, an oil pump arranged on the side of the first shaft body, an oil pumping pipe and an oil discharging pipe connected with the oil pump, a filter tennis ball connected with the end part of the oil pumping pipe and an oil storage tank arranged in the axle box; the end part of the oil pumping pipe is positioned in the oil storage tank, the end part of the oil discharging pipe is connected to the oil storage tank, lubricating oil stored in the oil storage tank flows to the inner side of the bearing through the oil outlet pipe under the control of an electromagnetic valve, the bearing is lubricated while heat generated at the bearing is carried away, then the lubricating oil is retained in the oil storage tank, and the oil pump pumps the lubricating oil through the oil pumping pipe and then discharges the lubricating oil into the oil storage tank; the heat dissipation assembly is arranged on the first shaft body and comprises a mounting ring arranged on the first shaft body, a connecting plate inserted in the mounting ring, a fixing bolt connected with the mounting ring in a threaded manner and penetrating through the connecting plate, a wind guide back plate fixed on the outer side of the connecting plate, a lantern ring connected to the side of the wind guide back plate and sleeved on the first shaft body, a fan blade arranged on the lantern ring, an air inlet arranged on the first shaft body and corresponding to the air inlet, a connecting hole arranged on the air inlet and penetrating and connecting the mounting cavity and the air inlet, an air outlet arranged on the second shaft body and penetrating and connecting the mounting cavity, a heat dissipation hole arranged on the shaft end cover and penetrating through the air outlet, and a one-way valve arranged on the shaft end cover and connected with the heat dissipation hole; the diameter value of the installation cavity is larger than the outer diameter value of the oil storage tank, and the air flow entering through the air inlet hole is used for carrying heat around the oil storage tank to be discharged from the heat dissipation holes.
The present invention in a preferred example may be further configured to: the inner side end of the first shaft body is provided with an insertion ring, and the end of the second shaft body is provided with a polygonal groove matched with the insertion ring.
The present invention in a preferred example may be further configured to: the inner side of the axle box is an annular inclined plane which is connected with the oil storage tank.
The invention in a preferred example may be further configured to: the oil pumping pipe and the oil discharging pipe are both of high-temperature shaping hard pipe structures.
The present invention in a preferred example may be further configured to: and a limiting concave ring positioned in the middle of the oil storage tank is also arranged in the axle box.
The invention in a preferred example may be further configured to: the thickness value of the air guide back plate on the fan blade side is gradually reduced from outside to inside.
The present invention in a preferred example may be further configured to: and the outer side of the air guide back plate is provided with an air guide ring positioned on the outer side of the fan blade.
The invention in a preferred example may be further configured to: one end of the oil storage tank is in concave-convex clamping connection with the second shaft body, and the other end of the oil storage tank is provided with a cushion block which is protected by the first shaft body.
The technical scheme of the invention has the following beneficial technical effects:
1. according to the invention, the lubricating component is used for arranging the oil storage tank in the main shaft for storing oil, lubricating oil is continuously discharged and sucked under the action of the electromagnetic valve and the oil pump, sufficient lubrication is provided for the bearing in the process, meanwhile, the heat around the bearing can be carried away by the lubrication, the heat is introduced into the lubricating oil in the oil storage tank, and the heat dissipation component is subsequently utilized to dissipate the heat of the lubricating component, so that the heat dissipation is realized while the lubricating oil is circularly supplemented.
2. According to the invention, through the heat dissipation assembly, the rotation of the main shaft can be utilized to enable the airflow to be discharged into the first shaft body along the air inlet under the action of the fan blades, the entering airflow is discharged along the air exhaust hole and the heat dissipation hole through the side surface of the oil storage tank, and the heat remained by the lubricating oil in the oil storage tank is carried, so that the lubricating oil and the main shaft are dissipated.
Drawings
FIG. 1 is a cross-sectional view of a machine tool spindle according to one embodiment of the present invention;
FIG. 2 is an enlarged view of the spindle A of the machine tool according to one embodiment of the present invention;
FIG. 3 is a side view of a heat sink assembly in accordance with one embodiment of the present invention;
FIG. 4 is a schematic view of a filter tennis ball according to one embodiment of the present invention.
Reference numerals:
100. a spindle assembly; 110. an axle box; 111. a limit concave ring; 120. a bearing; 130. a first shaft body; 131. inserting a ring; 140. a second shaft body; 150. a shaft end cover;
200. a lubrication assembly; 210. a mounting cavity; 220. an oil storage tank; 221. cushion blocks; 230. an oil outlet pipe; 240. an electromagnetic valve; 250. an oil pump; 260. an oil pumping pipe; 270. an oil discharge pipe; 280. filtering the tennis balls; 290. an oil storage tank;
300. a heat dissipating component; 310. a mounting ring; 320. a connecting plate; 330. a fixing bolt; 340. a wind guide back plate; 341. a wind guide ring; 350. a collar; 360. a fan blade; 370. an air inlet; 380. an air inlet hole; 390. connecting holes; 301. an air exhaust hole; 302. heat dissipation holes; 303. a one-way valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the accompanying drawings in combination with the embodiments. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
A machine tool spindle provided by some embodiments of the present invention is described below with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1 to 4, the present invention provides a spindle of a processing machine tool, including: a spindle assembly 100, a lubrication assembly 200, and a heat dissipation assembly 300;
the spindle assembly 100 includes an axle housing 110, a bearing 120 installed inside the axle housing 110, a first shaft 130 and a second shaft 140 assembled in the bearing 120 and inserted together, and end caps 150 connected to both sides of the axle housing 110 for fixing the first shaft 130 and the second shaft 140.
Specifically, the main shaft consists of a first shaft body 130 and a second shaft body 140, so that the oil storage tank 220 is convenient to install and maintain, the shaft end covers 150 are installed at two ends of the axle box 110 and fix the first shaft body 130 and the second shaft body 140, in addition, the inner side end of the first shaft body 130 is provided with the inserting ring 131, the end part of the second shaft body 140 is provided with a polygonal groove matched with the inserting ring 131, the polygonal inserting structure can ensure that the first shaft body 130 is connected with the second shaft body 140, and the first shaft body 130 can drive the second shaft body 140 to rotate synchronously, so that the main shaft is reasonable.
Further, the inner side of the axle box 110 is an annular slope that connects the oil storage tank 290, so that the lubricating oil discharged from the oil outlet pipe 230 flows into the oil storage tank 290 along the slope in a rotating state, and further the oil pump 250 pumps the lubricating oil into the oil storage tank 220 along the oil discharge pipe 270 from the end of the oil pumping pipe 260, so as to realize circulation, and the lubricating oil in the oil storage tank 220 is filled after a long time.
On the other hand, the axle box 110 is further provided with a limit concave ring 111 located in the middle of the oil storage tank 290, so that the filter tennis ball 280 therein can be limited, the filter tennis ball 280 is prevented from swinging under high-speed rotation, and the stability is improved.
The lubrication assembly 200 is disposed inside the axle housing 110, the lubrication assembly 200 includes a mounting cavity 210 opened in the first shaft 130 and the second shaft 140, an oil storage tank 220 clamped in the mounting cavity 210, an oil outlet pipe 230 connected to the oil storage tank 220 and located inside the bearing 120, a solenoid valve 240 respectively fitted in the first shaft 130 and the second shaft 140 and connected to the oil outlet pipe 230, an oil pump 250 mounted on the first shaft 130 side, an oil pumping pipe 260 and an oil discharge pipe 270 connected to the oil pump 250, a filter tennis ball 280 connected to an end of the oil pumping pipe 260, and an oil storage tank 290 opened in the axle housing 110, the lubrication assembly 200 can be configured to store oil in the oil storage tank 220 disposed inside the main shaft, and the lubrication oil is continuously discharged and sucked under the action of the solenoid valve 240 and the oil pump 250, thereby providing sufficient lubrication for the bearing 120 during the process, and simultaneously carrying away heat around the bearing 120, guiding the heat into the lubrication oil in the oil storage tank 220, and subsequently utilizing the heat dissipation assembly 300 to dissipate heat, thereby achieving the lubrication of the lubrication assembly 200 and achieving the purpose of supplementing the circulation of the lubrication.
Specifically, the end of the oil pumping pipe 260 is located in the oil storage tank 290, the end of the oil discharging pipe 270 is connected to the oil storage tank 220, the lubricating oil stored in the oil storage tank 220 flows to the inner side of the bearing 120 through the oil discharging pipe 230 under the control of the electromagnetic valve 240, the bearing 120 is lubricated while heat generated at the bearing 120 is carried away, then the lubricating oil is retained in the oil storage tank 290, and the oil pump 250 pumps the lubricating oil through the oil pumping pipe 260 and discharges the lubricating oil into the oil storage tank 220.
Furthermore, the oil pumping pipe 260 and the oil discharging pipe 270 both adopt high-temperature shaped hard pipe structures, so that the filtering tennis ball 280 at the end of the oil pumping pipe 260 is always located in the oil storage tank 290 to keep a state of pumping lubricating oil, and the filtering tennis ball 280 is used for filtering impurities in the lubricating oil to prevent blockage.
The heat dissipation assembly 300 is disposed on the first shaft 130, the heat dissipation assembly 300 includes a mounting ring 310 disposed on the first shaft 130, a connecting plate 320 inserted into the mounting ring 310, a fixing bolt 330 threadedly connected to the mounting ring 310 and passing through the connecting plate 320, an air guide back plate 340 fixed outside the connecting plate 320, a collar 350 connected to the air guide back plate 340 and sleeved on the first shaft 130, a fan blade 360 mounted on the collar 350, an air inlet 370 opened on the collar 350, an air inlet 380 opened on the first shaft 130 and corresponding to the air inlet 370, a connecting hole 390 opened on the air inlet 380 and connected to the mounting cavity 210 and the heat dissipating hole 380, an air inlet hole 301 opened on the second shaft 140 and connected to the mounting cavity 210, a heat dissipating hole 302 opened on the shaft end cap 150 and connected to the air outlet hole 301, and a one-way valve 303 installed on the shaft end cap 150 and connected to the air outlet hole 302, wherein the heat dissipation assembly 300 can utilize the rotation of the main shaft to enable air flow to be discharged into the interior of the first shaft 130 along the oil storage tank under the action of the fan blade 360, the air flow enters the interior of the first shaft 130 and then passes through the air inlet hole 302 and the one-way valve 302 to carry heat of the lubricating oil, and the lubricating oil is discharged from the lubricating oil storage tank 220, and the lubricating oil storage tank 301, and the lubricating oil storage tank is carried by the main shaft 220.
Specifically, the diameter value of installation cavity 210 is greater than the external diameter value of oil storage tank 220 for the air current that gets into by fresh air inlet 380 carries the heat around the oil storage tank 220 and discharges from louvre 302, can leave the clearance that the air feed stream passes through around the oil storage tank 220, and oil storage tank 220 adopts the convenient radiating metal material, and the high temperature resistant material need be selected to accessory and the structure in foretell lubricated subassembly 200 and the radiator unit 300 simultaneously, makes things convenient for the implementation of this scheme.
Further, the air guide back plate 340 is located the thickness value of the fan blade 360 side is gradually reduced from outside to inside, so that the air flow can conveniently enter the air inlet 370 along the inclined plane of the air guide back plate 340 when the fan blade 360 rotates, the air inlet effect is good, and the heat dissipation efficiency is improved.
On the other hand, the air guide ring 341 positioned outside the fan blade 360 is installed outside the air guide back plate 340, and the toll air guide ring 341 can collect the air flow generated by the rotation of the fan blade 360, so that the air inlet effect is further improved, and the heat dissipation is accelerated.
Example two:
with reference to fig. 1, on the basis of the first embodiment, one end of the oil storage tank 220 is in concave-convex clamping connection with the second shaft body 140, the other end of the oil storage tank 220 is provided with a cushion block 221 which is protected by the first shaft body 130, the oil storage tank 220 is arranged in the installation cavity 210 in a portable clamping mode, the oil storage tank 220 and the second shaft body 140 are clamped in a polygonal clamping structure, the oil storage tank 220 is prevented from rotating in the main shaft, the cushion block 221 plays a role in supporting and protecting, the first shaft body 130 is prevented from causing contact damage to the oil storage tank 220, the oil storage tank 220 is more stable, and meanwhile, subsequent maintenance of the oil storage tank 220 is facilitated.
The working principle and the using process of the invention are as follows: firstly, starting equipment drives a main shaft to rotate, the rotation of a first shaft body 130 enables fan blades 360 to rotate, the fan blades 360 rotate to form inward air flow to enter an air guide ring 341, then the air flow passes through an air inlet 370 along an air guide back plate 340 to enter an air inlet hole 380 and then enters a mounting cavity 210 through a connecting hole 390, heat around the oil storage tank 220 is carried and discharged from a one-way valve 303 along an air exhaust hole 301 and a heat exhaust hole 302, meanwhile, a solenoid valve 240 is opened to enable lubricating oil in the oil storage tank 220 to flow out through an oil outlet pipe 230 and directly flow onto a bearing 120, the heat generated around the bearing 120 is absorbed while the lubricating oil is lubricated, the subsequently flowing lubricating oil is stored in the oil storage tank 290 along an inclined plane in an axle box 110, the lubricating oil in the oil storage tank 290 is pumped out through an oil pumping pipe 260 by an oil pump 250 and then is discharged into the oil storage tank 220 through an oil outlet pipe 270 to realize circulation, the lubricating oil carries heat into the oil storage tank 220 and then is continuously emitted into the mounting cavity 210, and the air flow is carried away by the entering air flow.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims (8)

1. A machine tool spindle, comprising: a main shaft assembly (100), a lubricating assembly (200) and a heat radiating assembly (300),
the spindle assembly (100) comprises a spindle box (110), a bearing (120) arranged on the inner side of the spindle box (110), a first shaft body (130) and a second shaft body (140) which are assembled in the bearing (120) and are plugged together, and shaft end covers (150) which are connected to two sides of the spindle box (110) and used for fixing the first shaft body (130) and the second shaft body (140);
the lubricating assembly (200) is arranged on the inner side of the axle box (110), the lubricating assembly (200) comprises a mounting cavity (210) arranged in the first axle body (130) and the second axle body (140), an oil storage tank (220) clamped in the mounting cavity (210), an oil outlet pipe (230) connected with the oil storage tank (220) and positioned on the inner side of the bearing (120), electromagnetic valves (240) respectively embedded in the first axle body (130) and the second axle body (140) and connected with the oil outlet pipe (230), an oil pump (250) arranged on the side of the first axle body (130), an oil pumping pipe (260) and an oil discharging pipe (270) connected with the oil pump (250), a filtering tennis ball (280) connected with the end part of the oil pumping pipe (260) and an oil storage tank (290) arranged in the axle box (110);
the end part of the oil pumping pipe (260) is positioned in the oil storage tank (290), the end part of the oil discharging pipe (270) is connected to the oil storage tank (220), lubricating oil stored in the oil storage tank (220) flows to the inner side of the bearing (120) through the oil discharging pipe (230) under the control of the electromagnetic valve (240), the bearing (120) is lubricated while heat generated at the bearing (120) is carried away, then the lubricating oil is retained in the oil storage tank (290), and the lubricating oil is pumped out by the oil pump (250) through the oil pumping pipe (260) and then discharged into the oil storage tank (220);
the heat dissipation assembly (300) is arranged on the first shaft body (130), the heat dissipation assembly (300) comprises a mounting ring (310) arranged on the first shaft body (130), a connecting plate (320) inserted into the mounting ring (310), a fixing bolt (330) in threaded connection with the mounting ring (310) and penetrating through the connecting plate (320), an air guide back plate (340) fixed on the outer side of the connecting plate (320), a lantern ring (350) connected to the air guide back plate (340) side and sleeved on the first shaft body (130), fan blades (360) installed on the lantern ring (350), an air inlet (370) opened on the lantern ring (350), heat dissipation holes (380) opened on the first shaft body (130) and corresponding to the air inlet (370), a connecting hole (390) opened on the air inlet hole (380) and connected with the mounting cavity (210) and the air inlet hole (380) in a penetrating manner, an exhaust air valve (302) opened on the second shaft body (140) and connected with the shaft end cover (150) and the exhaust air valve (302) and the one-way end cover (302);
the diameter value of the mounting cavity (210) is larger than the outer diameter value of the oil storage tank (220), and the mounting cavity is used for discharging heat around the oil storage tank (220) carried by airflow entering from the air inlet hole (380) from the heat dissipation hole (302).
2. A machine tool spindle according to claim 1, characterized in that an insertion ring (131) is provided at the inner end of the first shaft body (130), and a polygonal groove adapted to the insertion ring (131) is provided at the end of the second shaft body (140).
3. A machine tool spindle according to claim 1, characterized in that the inner side of the axle housing (110) is an annular chamfer engaging the oil reservoir (290).
4. A machine tool spindle according to claim 1, characterized in that the oil suction pipe (260) and the oil discharge pipe (270) are both of high temperature shaped hard pipe structure.
5. A machine tool spindle according to claim 1, characterized in that a concave stop ring (111) is provided in the axle housing (110) in the middle of the oil reservoir (290).
6. A machine tool spindle according to claim 1, wherein the thickness of the air guide back plate (340) on the fan blade (360) side decreases gradually from the outside to the inside.
7. A machine tool spindle according to claim 1, characterized in that an air guiding ring (341) is mounted outside the air guiding back plate (340) and outside the fan blades (360).
8. The machine tool spindle according to claim 1, wherein one end of the oil storage tank (220) is in concave-convex clamping connection with the second shaft body (140), and the other end of the oil storage tank (220) is provided with a cushion block (221) which is in cushion protection with the first shaft body (130).
CN202211271620.XA 2022-10-18 2022-10-18 Machine tool spindle Active CN115338686B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211271620.XA CN115338686B (en) 2022-10-18 2022-10-18 Machine tool spindle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211271620.XA CN115338686B (en) 2022-10-18 2022-10-18 Machine tool spindle

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Publication Number Publication Date
CN115338686A true CN115338686A (en) 2022-11-15
CN115338686B CN115338686B (en) 2022-12-13

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4236542A1 (en) * 1992-10-29 1994-05-05 Magdeburg Werkzeugmasch Spindle for a lathe - has rotor of electric motor mounted on spindle between bearings and end sleeves for liquid cooling
JP2000015541A (en) * 1998-06-26 2000-01-18 Makino Milling Mach Co Ltd Main spindle device of machine tool
CN102120266A (en) * 2010-12-27 2011-07-13 东莞理工学院 High-speed precise electric spindle cooling system
CN103350237A (en) * 2013-07-31 2013-10-16 苏州大学 Oil-gas lubrication pipeline in main shaft structure
CN107639466A (en) * 2017-10-19 2018-01-30 高炯炜 A kind of lubricating arrangement of main shaft of numerical control machine tool
CN109848445A (en) * 2019-04-01 2019-06-07 湖南广播电视大学 A kind of lathe main axis device
JP2020075341A (en) * 2018-11-02 2020-05-21 オークマ株式会社 Cooling structure of machine tool main spindle
CN212264551U (en) * 2020-04-09 2021-01-01 山东方达机械有限公司 Machine tool spindle with self-lubricating structure
CN212469783U (en) * 2020-07-06 2021-02-05 常州市翰琪电机有限公司 Air pipe cooling type electric spindle of numerical control machine tool
CN112318200A (en) * 2020-10-29 2021-02-05 广州市昊志机电股份有限公司 Main shaft oil-gas lubrication structure, main shaft and machine tool
CN213379300U (en) * 2020-07-31 2021-06-08 杭州川上机械科技有限公司 Main shaft of numerical control machine tool
CN115013445A (en) * 2022-06-20 2022-09-06 刘美清 Machine tool main shaft bearing structure

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4236542A1 (en) * 1992-10-29 1994-05-05 Magdeburg Werkzeugmasch Spindle for a lathe - has rotor of electric motor mounted on spindle between bearings and end sleeves for liquid cooling
JP2000015541A (en) * 1998-06-26 2000-01-18 Makino Milling Mach Co Ltd Main spindle device of machine tool
CN102120266A (en) * 2010-12-27 2011-07-13 东莞理工学院 High-speed precise electric spindle cooling system
CN103350237A (en) * 2013-07-31 2013-10-16 苏州大学 Oil-gas lubrication pipeline in main shaft structure
CN107639466A (en) * 2017-10-19 2018-01-30 高炯炜 A kind of lubricating arrangement of main shaft of numerical control machine tool
JP2020075341A (en) * 2018-11-02 2020-05-21 オークマ株式会社 Cooling structure of machine tool main spindle
CN109848445A (en) * 2019-04-01 2019-06-07 湖南广播电视大学 A kind of lathe main axis device
CN212264551U (en) * 2020-04-09 2021-01-01 山东方达机械有限公司 Machine tool spindle with self-lubricating structure
CN212469783U (en) * 2020-07-06 2021-02-05 常州市翰琪电机有限公司 Air pipe cooling type electric spindle of numerical control machine tool
CN213379300U (en) * 2020-07-31 2021-06-08 杭州川上机械科技有限公司 Main shaft of numerical control machine tool
CN112318200A (en) * 2020-10-29 2021-02-05 广州市昊志机电股份有限公司 Main shaft oil-gas lubrication structure, main shaft and machine tool
CN115013445A (en) * 2022-06-20 2022-09-06 刘美清 Machine tool main shaft bearing structure

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