CN201209616Y - Anti-releasing nut for transmission shaft of machine tool - Google Patents
Anti-releasing nut for transmission shaft of machine tool Download PDFInfo
- Publication number
- CN201209616Y CN201209616Y CNU2008201028521U CN200820102852U CN201209616Y CN 201209616 Y CN201209616 Y CN 201209616Y CN U2008201028521 U CNU2008201028521 U CN U2008201028521U CN 200820102852 U CN200820102852 U CN 200820102852U CN 201209616 Y CN201209616 Y CN 201209616Y
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Abstract
The utility model relates to an anti-loosening locking nut for a transmission shaft of a machine tool, which comprises a nut body provided with an internal thread. The middle of the circumference of the nut body is provided with three middle oblique screws provided with a bolt and a positioning column respectively, the positioning column is in sliding fit with the internal port of the oblique screw, and the bolt is matched in the oblique screw at the upper part of the positioning column by the screw thread; the internal end face of the positioning column is provided with a screw thread face inosculated with the internal thread of the nut body. The anti-loosening locking nut is characterized in that the circumference of the nut body between the adjacent oblique screws is provided with balance grooves arranged along the axis direction of the locking nut by and large, and the corresponding ends of at least one pair of balance grooves penetrate one end face of the nut body respectively. The locking nut provided by the utility model is provided with the balance grooves arranged along the axial direction of the locking nut by and large between the three middle oblique screws in the middle of the circumference of the nut body, so the utility model can improve the dynamic balance of the locking nut by using the balance grooves, and ensures that the locking nut positions the transmission shaft reliably.
Description
Technical field
The utility model relates to the anti-loose lock nut that mechanical drive shafts such as a kind of numerical control machine tool, machine tool are used.
Background technique
With reference to Fig. 1.The two end part of mechanical drive shaft such as numerical control machine tool, machine tool 7 are by interior left and right bearing support 8,9 rotating being supported on the machine operation platform 11 that bearing 8a, 9a are housed, the two ends of transmission shaft 6 are overhanging respectively, being respectively equipped with outside thread and spiral shell on the two overhanging end side faces is provided with on the side face of anti-loose lock nut 1, two locking nut 1 of location transmission shaft 6 usefulness and is evenly equipped with three oblique screws 2; The locating column (not shown) that device one brass material is made in each oblique screw 2 inner port, this locating column is slidingly fitted in the oblique screw, in the oblique screw on locating column top, revolve and establish a headless screw 5, the locating column interior edge face is provided with the flank of thread with transmission shaft 6 threads engaged, headless screw 5 presses closer locating column on transmission shaft 6, reaches locking, location transmission shaft purpose.But existing locking nut only adopts three locating columns location transmission shafts, so that the dynamic balancing deficiency of locking nut, reliable lock deficiency, in transmission shaft runs up process, occurs screw easily and gets loose, and causes locking nut to lose efficacy the transmission shaft positioning.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art; the anti-loose lock nut that provides mechanical drive shafts such as a kind of numerical control machine tool, machine tool to use; can improve the dynamic balance of locking nut; avoid locking nut to occur getting loose; guarantee the anti-loose lock nut working stability; reliable location transmission shaft, the safety of protection transmission shaft and machine tool.
The purpose of this utility model is achieved through the following technical solutions:
A kind of lathe transmission shaft anti-loose lock nut, comprise the nut body that has internal thread, this nut body side face middle part be evenly equipped with three oblique screws in middle part that are equiped with screw, locating column respectively, locating column is slidingly matched in the oblique screw inner port, and screw thread is engaged in the oblique screw on the outer top of locating column; Be provided with the flank of thread that matches with the nut body internal thread at the locating column interior edge face; It is characterized in that: have the balance groove of arranging generally along the locking nut axial direction on the nut body side face between the described adjacent oblique screw, all balance grooves have at least a corresponding end to run through an end face of nut body respectively.
The corresponding end face of nut body is run through at the two ends of all balance grooves respectively.
First end face, the other end that one end of all balance grooves runs through nut body extend to nut body 2/3 place; Between described nut body second end face and the balance groove nut body side face middle part symmetry have three oblique screws of afterbody that are equiped with screw, locating column respectively, locating column is slidingly matched in the oblique screw inner port of afterbody, and screw thread is engaged in the oblique screw of afterbody on the outer top of locating column.
Described balance groove balance and nut body is coaxial or and the axis of nut body between to be angle be 5 ° oblique layout; Also can three in the balance groove part and nut body is coaxial, be angle between another part and the nut body axis is constituted by the combined type of 5 ° of oblique layouts.
Described screw is a headless screw.
The utlity model has following beneficial effect:
The locking nut that the utility model provides, between supermedial three the oblique screws in middle part of the side face of nut body, be respectively equipped with generally along the axial arranged balance groove of nut body, utilize the balance groove can improve the dynamic balance of locking nut greatly, guarantee that locking nut reliably locatees transmission shaft.In addition; three oblique screws of afterbody have been set up at nut body one end; spiral shell is provided with screw, the locating column that is used to locate transmission shaft respectively in all screws; improve coupling mechanism force between locking nut and the transmission shaft with this; prevent that locking nut from occurring getting loose under the high pulling torque effect; improve reliability of positioning, effectively protect the safety of transmission shaft and machine tool.Simple in structure, the easy accessibility of this locking nut, and using scope is wide, can be applicable to numerical control machine tool, machine tool, lathe, milling machine, crouch mill, boring machine, machining center, spindle motor, main shaft etc. are mostly on the mechanical transmission component.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is the mounting structure schematic representation of existing lathe transmission shaft.
Fig. 2 is the utility model first embodiment's a structural representation.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the amplification view along A-A direction among Fig. 3.
Fig. 5 is the schematic representation of the anti-loose lock nut body among Fig. 4.
Fig. 6 is the utility model first embodiment's a user mode schematic representation.
Fig. 7 is the another kind of structural representation of the utility model first embodiment's balance groove.
Fig. 8 is the utility model second embodiment's a structural representation.
Fig. 9 is the left view of Fig. 8.
Figure 10 is the amplification view along B-B direction among Fig. 9.
Figure 11 is the schematic representation of the anti-loose lock nut body among Figure 10.
Figure 12 is the utility model second embodiment's a user mode schematic representation.
Figure 13 is the another kind of structural representation of the utility model second embodiment's balance groove.
Embodiment
Embodiment 1.With reference to Fig. 2 to Fig. 6.A kind of lathe transmission shaft anti-loose lock nut comprises the nut body 1 that has the internal thread that matches with transmission shaft, and the side face middle part of this nut body 1 has the oblique screw 2 of three symmetric arrangement; The axis elongation line of all oblique screws 2 all arranges that with the axes intersect of nut body 1 and angled α this angle [alpha] is 45 °.Each oblique screw 2 inner end be provided with one section light face through hole 2a respectively, be equiped with the locating column 5 that brass material is made among each through hole 2a respectively, locating column 5 is slidingly fitted in the through hole, its interior edge face is provided with the flank of thread that matches with nut body 1 internal thread; Correspondence is installed with headless screw 6 in the oblique screw 2 on locating column 5 tops.Be respectively equipped with balance groove 3 on nut body 1 side face between the adjacent oblique screw 2,2, all balance grooves 3 and nut body 1 coaxial layout.First, second end face of nut body 1 is run through at the two ends of balance groove 3 respectively.But be not limited to this, as can be seen from Fig. 7, but the also oblique layout of small angle of balance groove 3, the angle between the axis of itself and nut body 1 is 5 °.Also have, also can be and nut body is coaxial, be angle between another part and the nut body axis is constituted by the combined type of 5 ° of oblique layouts with the part in three balance grooves; As: 1 balance groove wherein and nut body is coaxial, in addition 2 with the nut body axis between to be angle be 5 ° of oblique layouts, or 2 balance grooves wherein and nut body is coaxial, be angle between other 1 and the nut body axis is 5 ° of oblique layouts.
With reference to Fig. 6.During use, with locking nut body 1 by screw-thread fit on the extending screw end of transmission shaft 6, and make be provided with screw 2 radially nut body one end outwardly; With locking nut body 1 screw put in place after, each radially, the corresponding brass locating column 4 of installing in the oblique screw 2,3, adjust locating column 4 interior edge face screw threads and transmission shaft 6 screw threads simultaneously and match; Then, each radially, the headless screw 5 of screw lock correspondence on the locating column 4 in the oblique screw 2,3, screw headless screw 5, each locating column 4 is tight against respectively on transmission shaft 6 side faces, play the purpose of location transmission shaft.
Embodiment 2: what present embodiment was different with embodiment is:
With reference to Fig. 8 to 12.First end face, the other end that an end of being located at the balance groove 3 between the adjacent oblique screw 2 runs through nut body 1 extend to nut body 2/3 place.Between nut body 1 second end face and the balance groove 3 nut body side face middle part symmetry have three oblique screws 21, the middle part of oblique screw 21 between adjacent oblique screw 2; All balance grooves 3 all with nut body 1 coaxial layout.Oblique screw 21 is identical with above-mentioned oblique screw 2 structures, the inner end of oblique screw 21 is provided with one section light face through hole 21a respectively, be equiped with the locating column 5 that brass material is made among each through hole 21a respectively, locating column 5 is slidingly fitted in the through hole, and its interior edge face is provided with the flank of thread that matches with nut body 1 internal thread; Correspondence is installed with headless screw 6 in the oblique screw 21 on locating column 5 tops. Oblique screw 2,21 all is the oblique layout of angle [alpha] towards the first end face direction of nut body 1, and this oblique angle [alpha] is 45 °.As can be seen from Figure 13, but the also oblique layout of small angle of balance groove 3, and the angle between the axis of itself and nut body 1 is 5 °.Also have, also can be and nut body is coaxial, be angle between another part and the nut body axis is constituted by the combined type of 5 ° of oblique layouts with the part in three balance grooves; As: 1 balance groove wherein and nut body is coaxial, in addition 2 with the nut body axis between to be angle be 5 ° of oblique layouts, or 2 balance grooves wherein and nut body is coaxial, be angle between other 1 and the nut body axis is 5 ° of oblique layouts.All the other structures, usage mode are identical with embodiment 1, do not repeat them here.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented with this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (5)
1. lathe transmission shaft anti-loose lock nut, comprise the nut body that has internal thread, this nut body side face middle part be evenly equipped with three oblique screws in middle part that are equiped with screw, locating column respectively, locating column is slidingly matched in the oblique screw inner port, and screw thread is engaged in the oblique screw on the outer top of locating column; Be provided with the flank of thread that matches with the nut body internal thread at the locating column interior edge face; It is characterized in that: have the balance groove of arranging generally along the locking nut axial direction on the nut body side face between the described adjacent oblique screw, all balance grooves have at least a corresponding end to run through an end face of nut body respectively.
2. anti-loose lock nut according to claim 1 is characterized in that: the corresponding end face of nut body is run through at the two ends of all balance grooves respectively.
3. anti-loose lock nut according to claim 1 is characterized in that: first end face, the other end that an end of all balance grooves runs through nut body extend to nut body 2/3 place; Between described nut body second end face and the balance groove nut body side face middle part symmetry have three oblique screws of afterbody that are equiped with screw, locating column respectively, locating column is slidingly matched in the oblique screw inner port of afterbody, and screw thread is engaged in the oblique screw of afterbody on the outer top of locating column.
4. anti-loose lock nut according to claim 1 is characterized in that: described balance groove balance and nut body is coaxial or and the axis of nut body between to be angle be 5 ° oblique layout.
5. anti-loose lock nut according to claim 1 is characterized in that: described screw is a headless screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201028521U CN201209616Y (en) | 2008-06-25 | 2008-06-25 | Anti-releasing nut for transmission shaft of machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201028521U CN201209616Y (en) | 2008-06-25 | 2008-06-25 | Anti-releasing nut for transmission shaft of machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201209616Y true CN201209616Y (en) | 2009-03-18 |
Family
ID=40480350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201028521U Expired - Fee Related CN201209616Y (en) | 2008-06-25 | 2008-06-25 | Anti-releasing nut for transmission shaft of machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201209616Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537000A (en) * | 2010-12-09 | 2012-07-04 | 盈锡精密工业股份有限公司 | Multi-directional and omnibearing locking precision nut |
| CN102562760A (en) * | 2010-12-17 | 2012-07-11 | 盈锡精密工业股份有限公司 | Composite locking precision nut |
| CN102606601A (en) * | 2011-01-19 | 2012-07-25 | 盈锡精密工业股份有限公司 | Locking precision nut |
| CN103410833A (en) * | 2013-07-02 | 2013-11-27 | 中国兵器工业集团第七0研究所 | Locking method of long bolt |
| CN104154211A (en) * | 2014-07-25 | 2014-11-19 | 安徽省含山县皖中减速机械有限公司 | Novel speed reducer pin wheel housing |
| CN104565094A (en) * | 2015-01-30 | 2015-04-29 | 周玉翔 | Rotating shaft fixing end of drum balancing machine |
| CN108555330A (en) * | 2018-07-18 | 2018-09-21 | 江西恒泰铝材有限公司 | Work treatment installation |
| CN110307205A (en) * | 2019-07-15 | 2019-10-08 | 徐州永佳液压设备有限公司 | Hydraulic cylinder piston anti-loose structure |
-
2008
- 2008-06-25 CN CNU2008201028521U patent/CN201209616Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537000A (en) * | 2010-12-09 | 2012-07-04 | 盈锡精密工业股份有限公司 | Multi-directional and omnibearing locking precision nut |
| CN102537000B (en) * | 2010-12-09 | 2015-02-11 | 盈锡精密工业股份有限公司 | Multi-directional and omnibearing locking precision nut |
| CN102562760A (en) * | 2010-12-17 | 2012-07-11 | 盈锡精密工业股份有限公司 | Composite locking precision nut |
| CN102562760B (en) * | 2010-12-17 | 2014-11-12 | 盈锡精密工业股份有限公司 | Composite locking precision nut |
| CN102606601A (en) * | 2011-01-19 | 2012-07-25 | 盈锡精密工业股份有限公司 | Locking precision nut |
| CN103410833A (en) * | 2013-07-02 | 2013-11-27 | 中国兵器工业集团第七0研究所 | Locking method of long bolt |
| CN104154211A (en) * | 2014-07-25 | 2014-11-19 | 安徽省含山县皖中减速机械有限公司 | Novel speed reducer pin wheel housing |
| CN104565094A (en) * | 2015-01-30 | 2015-04-29 | 周玉翔 | Rotating shaft fixing end of drum balancing machine |
| CN108555330A (en) * | 2018-07-18 | 2018-09-21 | 江西恒泰铝材有限公司 | Work treatment installation |
| CN110307205A (en) * | 2019-07-15 | 2019-10-08 | 徐州永佳液压设备有限公司 | Hydraulic cylinder piston anti-loose structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090318 Termination date: 20110625 |