CN205571418U - High high -speed spindle of balanced grade - Google Patents
High high -speed spindle of balanced grade Download PDFInfo
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- CN205571418U CN205571418U CN201620382330.6U CN201620382330U CN205571418U CN 205571418 U CN205571418 U CN 205571418U CN 201620382330 U CN201620382330 U CN 201620382330U CN 205571418 U CN205571418 U CN 205571418U
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- mandrel
- main spindle
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Abstract
The utility model discloses a high high -speed spindle of balanced grade, including mandrel, rotor, rotor sleeve, rack sleeve, fore bearing, front axle bearing, rear bearing, rear axle bearing, back protection component and unclamping cylinder subassembly, be equipped with dynamic balance coarse adjusting mechanism and dynamic balance accurate adjustment mechanism on this high -speed spindle, dynamic balance coarse adjusting establishment of institution is inside high -speed spindle for realize among the high -speed spindle assembling process that dynamic balance accurate adjustment mechanism exposes to the coarse adjusting of the dynamic balance of rotor, be used for realizing the high -speed spindle assembly accomplish after to the accurate adjustment of high -speed spindle dynamic balance, this high -speed spindle can successively combine dynamic balance coarse adjusting mechanism and dynamic balance accurate adjustment mechanism to carry out the coarse adjusting and the accurate adjustment of dynamic balance, and convenient operation when adjusting, need not intensively to draw materials or augment great counter weight, when realizing the high balanced grade of high -speed spindle, can guarantee the aesthetic property of high -speed spindle outward appearance.
Description
Technical field
This utility model relates to a kind of dynamic balancing implementation method, the high-speed main spindle that a kind of balance level is high.
Background technology
Rotational parts is during processing and manufacturing, because of the restriction of process equipment, it is impossible to realize axially symmetric structure completely.The reasons such as when fault in material causes its Density inhomogeneity, part to coordinate two axle center are misaligned, all can cause rotational parts to there is the mass eccentricity of local, cause the principal axis of inertia heart not on rotary centerline, produce unbalance dynamic.Main shaft is when high-speed rotation, and the amount of unbalance that main axis part exists will cause noise, vibration, reduces machine tooling quality, also damages the service life of bearing simultaneously.In existing iso standard, balance level is divided into 11 ranks, from the highest G0.4 to minimum G4000.In today that the speed of mainshaft gradually steps up, especially in electro spindle at a high speed, balance level requires to have reached G0.4.And in any one link of spindle mounted, be all introduced into unbalance mass, for fast and effeciently main shaft assembly being realized the such as requirement for dynamic balance of G0.4 grade, general method be about two relative to cross section on be adjusted.Existing high-speed main spindle, two cross section is normally at outside main shaft inside or main shaft.The two cross section is if located in main shaft inside, and the amount of unbalance that follow-up assembling is brought into can not get balance；If the two cross section is positioned at outside main shaft, because disposably needing the unbalance mass removed relatively big, needing to choose position of drawing materials the most thick and fast, remove more material or augment bigger counterweight, this also can affect main shaft outward appearance.
Summary of the invention
Technical problem to be solved in the utility model is: for the deficiencies in the prior art, the high-speed main spindle that a kind of balance level is high is provided, this high-speed main spindle can successively combine dynamic balancing coarse adjustment mechanism and dynamic balancing fine-tuning mechanism carries out dynamically balanced coarse adjustment and accurate adjustment, and it is easy to operate during regulation, draw materials without intensive or augment bigger counterweight, while realizing the balance level that high-speed main spindle is high, it can be ensured that the aesthetic property of high-speed main spindle outward appearance.
nullThe technical scheme that the above-mentioned technical problem of this utility model solution is used is: the high-speed main spindle that a kind of balance level is high，Including mandrel、Rotor、Rotor sleeve、Rack sleeve、Fore bearing、Front-end bearing pedestal、Rear bearing、Rear bearing block、Rear protecting assembly and knife striking cylinder assembly，Described rotor sleeve is set in described mandrel，Described rotor is set on described rotor sleeve，Described rotor sleeve is connected as a single entity with described mandrel and described rotor interference fit respectively，Described mandrel、Rotor sleeve and rotor i.e. constitute rotor，Described fore bearing is four row，Fore bearing described in four row divides the front portion being arranged on described mandrel before and after two groups，Between two groups of fore bearings, the first spacer is installed，The outside of the fore bearing described in four row is provided with described front-end bearing pedestal，The front end of described front-end bearing pedestal is provided with front baffle ring by screw，The front threads of described mandrel connects the first locking nut，Described front baffle ring is positioned at the outside of the first described locking nut，That group fore bearing near mandrel front end is compressed by the first described locking nut and described front baffle ring，The installed in front of described front baffle ring has drive end bearing bracket；nullDescribed rear bearing is arranged on the rear portion of described mandrel，Before and after described rear bearing, side is separately installed with the second spacer and the 3rd spacer，The outside of described rear bearing is provided with described rear bearing block，The rear side of the 3rd described spacer is provided with gear ring，Described rack sleeve is arranged between described front-end bearing pedestal and described rear bearing block，The rear end of described mandrel is threaded the second locking nut，The rear side of described rear bearing block is provided with described rear protecting assembly，The rear side of described rear protecting assembly is provided with described knife striking cylinder assembly，Described rear protecting assembly is positioned at the second described spacer、Gear ring and the outside of the second locking nut，Also include dynamic balancing coarse adjustment mechanism and dynamic balancing fine-tuning mechanism，Described dynamic balancing coarse adjustment mechanism is arranged on inside high-speed main spindle，Dynamically balanced coarse adjustment to described rotor during realizing high-speed main spindle assembling；Described dynamic balancing fine-tuning mechanism exposes, and is used for realizing accurate adjustment dynamically balanced to high-speed main spindle after high-speed main spindle has assembled.
nullAs preferably，Described dynamic balancing coarse adjustment mechanism includes balance nut and rotor sleeve flange，Described balance nut is threaded in the front end of described rotor sleeve，Described balance nut abuts in the front end face of described rotor，Described rotor sleeve flange is integrally disposed upon the rear end of described rotor sleeve and abuts in the rear end face of described rotor，The periphery of described rotor sleeve flange upwards offers some the first uniform prebored holes，The periphery of described balance nut upwards offers some the second uniform prebored holes，After rotor has assembled，According to orientation and the size of testing the unbalance mass obtained，Drill bit is i.e. can use to hole at some the first described prebored holes and/or some the second described prebored holes，Clip the excess stock on rotor sleeve flange and/or balance nut，Remove unbalance mass，The balance level making rotor reaches G1.0.Easily the rotor that quality is bigger can be carried out dynamic balancing coarse adjustment by above-mentioned dynamic balancing coarse adjustment mechanism, make the balance level of rotor reach G1.0, it is ensured that to realize dynamic balancing inside high-speed main spindle to greatest extent, provide safeguard for follow-up dynamic balancing accurate adjustment.
As preferably, some first screw holes it are further opened with on described balance nut, described some first screw holes are uniformly distributed in the outer circumference of described balance nut, and described some first screw holes are for installing the first holding screw, and the first described holding screw is locking for balance nut.
As preferably, described dynamic balancing fine-tuning mechanism includes forward horizontal stand ring and back balance ring, the front end of described forward horizontal stand ring offers some second screw holes, described some second screw holes are uniformly distributed around the central shaft of described forward horizontal stand ring, described forward horizontal stand ring is connected by screw and the first described locking nut are fixing, and described forward horizontal stand ring is positioned at the front end of described mandrel；The front end of described back balance ring is provided with back balance ring flange, the periphery of described back balance ring flange upwards offers uniform some 3rd screw holes, described back balance ring is felt relieved by the rear end of shaft hole matching with described mandrel, described back balance ring is connected by screw and described mandrel are fixing, described back balance ring flange exposes, the rear end of described back balance ring is provided with rear baffle ring, described knife striking cylinder assembly is positioned at the rear side of described rear baffle ring, after high-speed main spindle has assembled, according to orientation and the size of testing the unbalance mass obtained, can load for increasing the second holding screw of counterweight and tightening at described some second screw holes and/or some 3rd screw holes, the balance level making high-speed main spindle reaches G0.4.By installing the first holding screw at the first screw hole, can make balance nut assembling more firmly, reliably, it is ensured that rotor and high-speed main spindle can persistently be in high balance level.After coarse adjustment dynamic balancing and high-speed main spindle have assembled, new unbalance mass is introduced into, owing to forward horizontal stand ring and back balance ring flange are in exposing state, the most some second screw holes and some 3rd screw holes are in exposing state, easily forward horizontal stand ring and/or back balance ring flange can be increased counterweight by above-mentioned dynamic balancing fine-tuning mechanism, carry out dynamic balancing accurate adjustment, it is ensured that the balance level of high-speed main spindle reaches G0.4.
Compared with prior art, the utility model has the advantage of: the high high-speed main spindle of balance level that this utility model provides, including dynamic balancing coarse adjustment mechanism and dynamic balancing fine-tuning mechanism, dynamic balancing coarse adjustment mechanism is arranged on inside high-speed main spindle, dynamically balanced coarse adjustment to rotor during realizing high-speed main spindle assembling, dynamic balancing fine-tuning mechanism exposes, and is used for realizing accurate adjustment dynamically balanced to high-speed main spindle after high-speed main spindle has assembled；This high-speed main spindle can successively combine dynamic balancing coarse adjustment mechanism and dynamic balancing fine-tuning mechanism carries out dynamically balanced coarse adjustment and accurate adjustment, and it is easy to operate during regulation, draw materials or augment bigger counterweight without intensive, while realizing the balance level that high-speed main spindle is high, it can be ensured that the aesthetic property of high-speed main spindle outward appearance.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment high speed main shaft；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is enlarged drawing at B in Fig. 1；
Fig. 4 is enlarged drawing at C in Fig. 1；
Fig. 5 is enlarged drawing at D in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
nullThe high-speed main spindle that the balance level of embodiment 1 is high，As shown in the figure，Including mandrel 1、Rotor 2、Rotor sleeve 3、Rack sleeve 45、Fore bearing 41、Front-end bearing pedestal 42、Rear bearing 43、Rear bearing block 44、Rear protecting assembly 5、Knife striking cylinder assembly 6、Dynamic balancing coarse adjustment mechanism and dynamic balancing fine-tuning mechanism，Rotor sleeve 3 is set in mandrel 1，Rotor 2 is set on rotor sleeve 3，Rotor sleeve 3 is connected as a single entity with mandrel 1 and rotor 2 interference fit respectively，Mandrel 1、Rotor sleeve 3 and rotor 2 i.e. constitute rotor，Fore bearing 41 is four row，The front portion of mandrel 1 it is arranged on before and after four row fore bearings 41 points two groups，First spacer 46 is installed between two groups of fore bearings 41，The outside of four row fore bearings 41 is provided with front-end bearing pedestal 42，The front end of front-end bearing pedestal 42 is provided with front baffle ring 12 by screw，The front threads of mandrel 1 connects the first locking nut 11，Front baffle ring 12 is positioned at the outside of the first locking nut 11，That group fore bearing 41 near mandrel 1 front end is compressed by the first locking nut 11 and front baffle ring 12，The installed in front of front baffle ring 12 has drive end bearing bracket 13；Rear bearing 43 is arranged on the rear portion of mandrel 1, before and after rear bearing 43, side is separately installed with the second spacer 47 and the 3rd spacer 48, the outside of rear bearing 43 is provided with rear bearing block 44, the rear side of the 3rd spacer 48 is provided with gear ring 49, rack sleeve 45 is arranged between front-end bearing pedestal 42 and rear bearing block 44, the rear end of mandrel 1 is threaded the second locking nut 14, the rear side of rear bearing block 44 is provided with rear protecting assembly 5, the rear side of rear protecting assembly 5 is provided with knife striking cylinder assembly 6, rear protecting assembly 5 is positioned at the second spacer 47, gear ring 49 and the outside of the second locking nut 14, dynamic balancing coarse adjustment mechanism is arranged on inside high-speed main spindle, dynamically balanced coarse adjustment to rotor during realizing high-speed main spindle assembling；Dynamic balancing fine-tuning mechanism exposes, and is used for realizing accurate adjustment dynamically balanced to high-speed main spindle after high-speed main spindle has assembled.
nullIn embodiment 1，Dynamic balancing coarse adjustment mechanism includes balance nut 7 and rotor sleeve flange 31，Balance nut 7 is threaded in the front end of rotor sleeve 3，Balance nut 7 abuts in the front end face of rotor 2，Rotor sleeve flange 31 is integrally disposed upon the rear end of rotor sleeve 3 and abuts in the rear end face of rotor 2，The periphery of rotor sleeve flange 31 upwards offers some the first uniform prebored holes 32，The periphery of balance nut 7 upwards offers some the second uniform prebored holes 71 and some first screw hole (not shown)s，Some first screw holes are for installing the first holding screw (not shown)，First holding screw is locking for balance nut 7，After rotor has assembled，According to orientation and the size of testing the unbalance mass obtained，Drill bit is i.e. can use to hole at some first prebored holes 32 and/or some second prebored holes 71，Clip the excess stock on rotor sleeve flange 31 and/or balance nut 7，Remove unbalance mass，The balance level making rotor reaches G1.0.
The high-speed main spindle that the balance level of embodiment 2 is high, it is substantially the same with the structure of the high-speed main spindle of embodiment 1, difference is, in embodiment 2, dynamic balancing fine-tuning mechanism includes forward horizontal stand ring 81 and back balance ring 82, and the front end of forward horizontal stand ring 81 offers some second screw holes 83, and some second screw holes 83 are uniformly distributed around the central shaft of forward horizontal stand ring 81, forward horizontal stand ring 81 is by screw and the first fixing connection of locking nut 11, and forward horizontal stand ring 81 is positioned at the front end of mandrel 1；The front end of back balance ring 82 is provided with back balance ring flange 84, the periphery of back balance ring flange 84 upwards offers uniform some 3rd screw holes 85, back balance ring 82 is felt relieved by the rear end of shaft hole matching with mandrel 1, back balance ring 82 is connected by screw is fixing with mandrel 1, back balance ring flange 84 exposes, the rear end of back balance ring 82 is provided with rear baffle ring 15, knife striking cylinder assembly 6 is positioned at the rear side of rear baffle ring 15, after high-speed main spindle has assembled, according to orientation and the size of testing the unbalance mass obtained, can load for increasing the second holding screw (not shown) of counterweight and tightening at some second screw holes 83 and/or some 3rd screw holes 85, the balance level making high-speed main spindle reaches G0.4.
Claims (4)
- null1. the high-speed main spindle that a balance level is high，Including mandrel、Rotor、Rotor sleeve、Rack sleeve、Fore bearing、Front-end bearing pedestal、Rear bearing、Rear bearing block、Rear protecting assembly and knife striking cylinder assembly，Described rotor sleeve is set in described mandrel，Described rotor is set on described rotor sleeve，Described rotor sleeve is connected as a single entity with described mandrel and described rotor interference fit respectively，Described mandrel、Rotor sleeve and rotor i.e. constitute rotor，Described fore bearing is four row，Fore bearing described in four row divides the front portion being arranged on described mandrel before and after two groups，Between two groups of fore bearings, the first spacer is installed，The outside of the fore bearing described in four row is provided with described front-end bearing pedestal，The front end of described front-end bearing pedestal is provided with front baffle ring by screw，The front threads of described mandrel connects the first locking nut，Described front baffle ring is positioned at the outside of the first described locking nut，That group fore bearing near mandrel front end is compressed by the first described locking nut and described front baffle ring，The installed in front of described front baffle ring has drive end bearing bracket；nullDescribed rear bearing is arranged on the rear portion of described mandrel，Before and after described rear bearing, side is separately installed with the second spacer and the 3rd spacer，The outside of described rear bearing is provided with described rear bearing block，The rear side of the 3rd described spacer is provided with gear ring，Described rack sleeve is arranged between described front-end bearing pedestal and described rear bearing block，The rear end of described mandrel is threaded the second locking nut，The rear side of described rear bearing block is provided with described rear protecting assembly，The rear side of described rear protecting assembly is provided with described knife striking cylinder assembly，Described rear protecting assembly is positioned at the second described spacer、Gear ring and the outside of the second locking nut，It is characterized in that: also include dynamic balancing coarse adjustment mechanism and dynamic balancing fine-tuning mechanism，Described dynamic balancing coarse adjustment mechanism is arranged on inside high-speed main spindle，Dynamically balanced coarse adjustment to described rotor during realizing high-speed main spindle assembling；Described dynamic balancing fine-tuning mechanism exposes, and is used for realizing accurate adjustment dynamically balanced to high-speed main spindle after high-speed main spindle has assembled.
- nullThe high-speed main spindle that a kind of balance level the most according to claim 1 is high，It is characterized in that: described dynamic balancing coarse adjustment mechanism includes balance nut and rotor sleeve flange，Described balance nut is threaded in the front end of described rotor sleeve，Described balance nut abuts in the front end face of described rotor，Described rotor sleeve flange is integrally disposed upon the rear end of described rotor sleeve and abuts in the rear end face of described rotor，The periphery of described rotor sleeve flange upwards offers some the first uniform prebored holes，The periphery of described balance nut upwards offers some the second uniform prebored holes，After rotor has assembled，According to orientation and the size of testing the unbalance mass obtained，Drill bit is i.e. can use to hole at some the first described prebored holes and/or some the second described prebored holes，Clip the excess stock on rotor sleeve flange and/or balance nut，Remove unbalance mass，The balance level making rotor reaches G1.0.
- The high-speed main spindle that a kind of balance level the most according to claim 2 is high, it is characterized in that: on described balance nut, be further opened with some first screw holes, described some first screw holes are uniformly distributed in the outer circumference of described balance nut, described some first screw holes are for installing the first holding screw, and the first described holding screw is locking for balance nut.
- 4. according to the high-speed main spindle that a kind of balance level according to any one of claim 1-3 is high, it is characterized in that: described dynamic balancing fine-tuning mechanism includes forward horizontal stand ring and back balance ring, the front end of described forward horizontal stand ring offers some second screw holes, described some second screw holes are uniformly distributed around the central shaft of described forward horizontal stand ring, described forward horizontal stand ring is connected by screw and the first described locking nut are fixing, and described forward horizontal stand ring is positioned at the front end of described mandrel；The front end of described back balance ring is provided with back balance ring flange, the periphery of described back balance ring flange upwards offers uniform some 3rd screw holes, described back balance ring is felt relieved by the rear end of shaft hole matching with described mandrel, described back balance ring is connected by screw and described mandrel are fixing, described back balance ring flange exposes, the rear end of described back balance ring is provided with rear baffle ring, described knife striking cylinder assembly is positioned at the rear side of described rear baffle ring, after high-speed main spindle has assembled, according to orientation and the size of testing the unbalance mass obtained, can load for increasing the second holding screw of counterweight and tightening at described some second screw holes and/or some 3rd screw holes, the balance level making high-speed main spindle reaches G0.4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620382330.6U CN205571418U (en) | 2016-04-29 | 2016-04-29 | High high -speed spindle of balanced grade |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620382330.6U CN205571418U (en) | 2016-04-29 | 2016-04-29 | High high -speed spindle of balanced grade |
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| CN205571418U true CN205571418U (en) | 2016-09-14 |
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| CN201620382330.6U Active CN205571418U (en) | 2016-04-29 | 2016-04-29 | High high -speed spindle of balanced grade |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234252A (en) * | 2017-07-24 | 2017-10-10 | 东莞市科隆实业有限公司 | Fan blade balancing machine main shaft |
| CN108971529A (en) * | 2018-09-10 | 2018-12-11 | 四川普什宁江机床有限公司 | A kind of intelligent monitoring, rapid-maintenance high-speed electric main shaft structure |
| CN109482911A (en) * | 2018-11-21 | 2019-03-19 | 上海机床厂有限公司 | High speed hydrostatic postposition type electric main shaft and dynamic balance method |
-
2016
- 2016-04-29 CN CN201620382330.6U patent/CN205571418U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234252A (en) * | 2017-07-24 | 2017-10-10 | 东莞市科隆实业有限公司 | Fan blade balancing machine main shaft |
| CN108971529A (en) * | 2018-09-10 | 2018-12-11 | 四川普什宁江机床有限公司 | A kind of intelligent monitoring, rapid-maintenance high-speed electric main shaft structure |
| CN109482911A (en) * | 2018-11-21 | 2019-03-19 | 上海机床厂有限公司 | High speed hydrostatic postposition type electric main shaft and dynamic balance method |
| CN109482911B (en) * | 2018-11-21 | 2020-05-12 | 上海机床厂有限公司 | High-speed static pressure rear-mounted electric main shaft and dynamic balance method |
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