CN204164288U - Sideshake device eliminated automatically by a kind of acme thread screw mandrel - Google Patents
Sideshake device eliminated automatically by a kind of acme thread screw mandrel Download PDFInfo
- Publication number
- CN204164288U CN204164288U CN201420549796.1U CN201420549796U CN204164288U CN 204164288 U CN204164288 U CN 204164288U CN 201420549796 U CN201420549796 U CN 201420549796U CN 204164288 U CN204164288 U CN 204164288U
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- China
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- nut
- screw mandrel
- set screw
- fixed base
- mounting hole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a kind of acme thread screw mandrel and automatically eliminates sideshake device.Comprise nut fixed base, set screw nut and differential nut, described set screw nut offers spring mounting hole, Compress Spring and push rod is disposed with from inside to outside in described spring mounting hole, described differential nut offers several opening slots, described nut fixed base offers one number service hole, described set screw nut and described differential nut are fixed on two openings in described one number service hole respectively by bolt and anti-rotation block, described anti-rotation block comprises fixing part and card-tight part, described fixing part is fixed on the upper side of described nut fixed base, described card-tight part is fastened in described opening slot.The utility model can eliminate screw mandrel sideshake, makes screw mandrel in use there will not be circumference to rock all the time, thus improves working life and manufacturing efficiency.
Description
Technical field
The utility model relates to a kind of acme thread screw mandrel and automatically eliminates sideshake device.
Background technique
In prior art in mechanical transmission, screw rod transmission is a kind of very typical and conventional mode, and operation strategies is very extensive, but in actual use, can produce screw mandrel sideshake, namely screw mandrel can carry out circumference and rocks when operating, and gets off for a long time, not only the components damage of screw mandrel and disposed thereon is strengthened, reduce working life, and can often block, in operation, there is the state of a card, affect manufacturing efficiency.
Summary of the invention
The utility model is not enough for prior art, and provide a kind of acme thread screw mandrel automatically to eliminate sideshake device, it can eliminate screw mandrel sideshake, makes screw mandrel in use there will not be circumference to rock all the time, thus improves working life and manufacturing efficiency.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals: sideshake device eliminated automatically by a kind of acme thread screw mandrel, comprise nut fixed base, set screw nut and differential nut, described set screw nut offers spring mounting hole, Compress Spring and push rod is disposed with from inside to outside in described spring mounting hole, described differential nut offers several opening slots, described nut fixed base offers one number service hole, described set screw nut and described differential nut are fixed on two openings in described one number service hole respectively by bolt and anti-rotation block, described anti-rotation block comprises fixing part and card-tight part, described fixing part is fixed on the upper side of described nut fixed base, described card-tight part is fastened in described opening slot.During use, first Compress Spring and push rod are encased in spring mounting hole, then set screw nut is fixed by bolts on nut fixed base, screw in acme thread screw mandrel and differential nut again, by rotate regulate differential nut to make it reach certain pretightening force after anti-rotation block is stuck in the opening slot of differential nut, make differential nut can only axial inching.
In technique scheme, described differential nut comprises an inner circle and extra circle, and described opening slot is opened on a described extra circle, and the outer diameter of a described inner circle and the inner diameter in described one number service hole match.Arrange in one number service hole that an inner circle can be inserted into nut fixed base and make fixing more firm each other, and opening slot is opened on an extra circle and facilitates the card-tight part of anti-rotation block to be inserted in opening slot, is connected and fixed better effects if.
In technique scheme, described push rod comprises a larger part of diameter and less No. two parts of diameter, and described No. two parts are plugged in described Compress Spring, and a described part side leans described Compress Spring.No. two of push rod are inserted partially in Compress Spring, limit the moving range of push rod at left and right directions, anti-throw-out lever is separated with Compress Spring, simultaneously, No. two parts of push rod can be deep in spring mounting hole more, because push rod needs the outermost end contact with Compress Spring, therefore the position that contacts with Compress Spring outermost end of push rod namely part certainly will be positioned at the opening of spring mounting hole, and the setting of No. two parts, strengthen the fixed effect in spring mounting hole of push rod, can not drop out in spring mounting hole.
In technique scheme, described set screw nut comprises No. two inner circles and two extras circle, described spring mounting hole is opened on the side of described No. two inner circles, be fixed on described nut fixed base on through described two extra circles by described set screw nut by bolt, the outer diameter of described No. two inner circles and the inner diameter in described one number service hole match.Arrange in one number service hole that No. two inner circles can be inserted into nut fixed base and make fixing more firm each other, and two extras circles fit with the side of nut fixed base, facilitate bolt to be fixed on nut fixed base by set screw nut.
The utility model compared with prior art, has following beneficial effect: the utility model can eliminate screw mandrel sideshake, makes screw mandrel in use there will not be circumference to rock all the time, thus improves working life and manufacturing efficiency.This device has good sideshake eradicating efficacy, to have after screw mandrel wearing and tearing simultaneously can automatic compensation function and structure simple, easily manufactured, the advantages such as feeding is stable, significantly improve accuracy and the stability of centerless grinding machine feeding.Arrange in one number service hole that an inner circle can be inserted into nut fixed base and make fixing more firm each other, and opening slot is opened on an extra circle and facilitates the card-tight part of anti-rotation block to be inserted in opening slot, is connected and fixed better effects if.No. two of push rod are inserted partially in Compress Spring, limit the moving range of push rod at left and right directions, anti-throw-out lever is separated with Compress Spring, simultaneously, No. two parts of push rod can be deep in spring mounting hole more, because push rod needs the outermost end contact with Compress Spring, therefore the position that contacts with Compress Spring outermost end of push rod namely part certainly will be positioned at the opening of spring mounting hole, and the setting of No. two parts, strengthen the fixed effect in spring mounting hole of push rod, can not drop out in spring mounting hole.Arrange in one number service hole that No. two inner circles can be inserted into nut fixed base and make fixing more firm each other, and two extras circles fit with the side of nut fixed base, facilitate bolt to be fixed on nut fixed base by set screw nut.
Accompanying drawing explanation
Fig. 1 is the utility model explosive view schematic diagram.
Fig. 2 is the utility model schematic cross-section.
Fig. 3 is the utility model set screw nut, push rod and Compress Spring schematic diagram.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail: see Fig. 1-Fig. 3, sideshake device eliminated automatically by a kind of acme thread screw mandrel, comprise nut fixed base 1, set screw nut 2 and differential nut 3, described nut fixed base 1 offers one number service hole 11, described set screw nut 2 offers spring mounting hole 21, Compress Spring 4 and push rod 5 is disposed with from inside to outside in described spring mounting hole 21, described push rod 5 comprises a larger part 51 of diameter and less No. two parts 52 of diameter, described No. two parts 52 are plugged in described Compress Spring 4, described part 51 side leans described Compress Spring 4.No. two parts 52 of push rod 5 are inserted in Compress Spring 4, limit the moving range of push rod 5 at left and right directions, anti-throw-out lever 5 is separated with Compress Spring 4, simultaneously, No. two parts 52 of push rod 5 can be deep in spring mounting hole 21 more, because push rod 5 needs the outermost end contact with Compress Spring 4, therefore the position that contacts with Compress Spring 4 outermost end of push rod 5 namely part 51 certainly will be positioned at the opening of spring mounting hole 21, and the setting of No. two parts 52, strengthen the fixed effect in spring mounting hole 21 of push rod 5, can not drop out in spring mounting hole 21.
Described differential nut 3 comprises an inner circle 32 and extra circle 33, and a described extra circle 33 offers opening slot 31, and the outer diameter of a described inner circle 32 and the inner diameter in described one number service hole 11 match.Arrange in one number service hole 11 that an inner circle 32 can be inserted into nut fixed base 1 and make fixing more firm each other, and opening slot 31 is opened on an extra circle 33 and facilitates anti-rotation block 7 to be inserted in opening slot 31, is connected and fixed better effects if.
Described set screw nut 2 and described differential nut 3 all offer the through hole passed for screw mandrel 6, described set screw nut 2 and described differential nut 3 are fixed on two openings in described one number service hole 11 respectively by bolt 22 and anti-rotation block 7, described anti-rotation block 7 comprises fixing part 71 and card-tight part 72, described fixing part 71 is fixed on the upper side of described nut fixed base 1, and described card-tight part 72 is fastened in described opening slot 31.
Described set screw nut 2 comprises No. two inner circles 23 and two extras circle 24, described spring mounting hole 21 is opened on the side of described No. two inner circles 24, be fixed on described nut fixed base 1 on through described two extra circles 24 by described set screw nut 2 by bolt 22, the outer diameter of described No. two inner circles 24 and the inner diameter in described one number service hole 11 match.Arrange in one number service hole 11 that No. two inner circles 24 can be inserted into nut fixed base 1 and make fixing more firm each other, and two extras circles 24 fit with the side of nut fixed base 1, facilitate bolt 22 to be fixed on nut fixed base 1 by set screw nut 2.
During use, first Compress Spring 4 and push rod 5 are encased in spring mounting hole 21, then set screw nut 2 bolt 22 is fixed on nut fixed base 1, screw in acme thread screw mandrel and differential nut 3 again, by rotate regulate differential nut 3 to make it reach certain pretightening force after anti-rotation block 7 is stuck in the opening slot 31 of differential nut 3, make differential nut 3 can only axial inching.
Utilizing the elastic force of Compress Spring 4 push rod 5 and differential nut 3 to be promoted, making differential nut 3 and set screw nut 2 on screw mandrel, produce rightabout power to reach the object from eliminating screw mandrel sideshake.
Claims (4)
1. sideshake device eliminated automatically by an acme thread screw mandrel, it is characterized in that: comprise nut fixed base (1), set screw nut (2) and differential nut (3), described set screw nut (2) offers spring mounting hole (21), Compress Spring (4) and push rod (5) is disposed with from inside to outside in described spring mounting hole (21), described differential nut (3) offers several opening slots (31), described nut fixed base (1) offers one number service hole (11), described set screw nut (2) and described differential nut (3) are fixed on two openings of described one number service hole (11) respectively by bolt (22) and anti-rotation block (7), described anti-rotation block (7) comprises fixing part (71) and card-tight part (72), described fixing part (71) is fixed on the upper side of described nut fixed base (1), described card-tight part (72) is fastened in described opening slot (31).
2. sideshake device eliminated automatically by a kind of acme thread screw mandrel as claimed in claim 1, it is characterized in that: described differential nut (3) comprises an inner circle (32) and extra circle (33), described opening slot (31) is opened on described extra circle (33), and the outer diameter of a described inner circle (32) and the inner diameter in described one number service hole (11) match.
3. sideshake device eliminated automatically by a kind of acme thread screw mandrel as claimed in claim 1, it is characterized in that: described push rod (5) comprises a larger part (51) of diameter and less No. two parts (52) of diameter, described No. two parts (52) are plugged in described Compress Spring (4), and described part (51) side leans described Compress Spring (4).
4. sideshake device eliminated automatically by a kind of acme thread screw mandrel as claimed in claim 1, it is characterized in that: described set screw nut (2) comprises No. two inner circles (23) and two extras circle (24), described spring mounting hole (21) is opened on the side of described No. two inner circles (23), be fixed on described nut fixed base (1) on through described two extras circle (24) by described set screw nut (2) by bolt (22), the outer diameter of described No. two inner circles (23) and the inner diameter in described one number service hole (11) match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549796.1U CN204164288U (en) | 2014-09-24 | 2014-09-24 | Sideshake device eliminated automatically by a kind of acme thread screw mandrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549796.1U CN204164288U (en) | 2014-09-24 | 2014-09-24 | Sideshake device eliminated automatically by a kind of acme thread screw mandrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204164288U true CN204164288U (en) | 2015-02-18 |
Family
ID=52537978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420549796.1U Expired - Fee Related CN204164288U (en) | 2014-09-24 | 2014-09-24 | Sideshake device eliminated automatically by a kind of acme thread screw mandrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204164288U (en) |
-
2014
- 2014-09-24 CN CN201420549796.1U patent/CN204164288U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20200924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |