CN204868300U - Lead screw axial fixity device - Google Patents
Lead screw axial fixity device Download PDFInfo
- Publication number
- CN204868300U CN204868300U CN201520421107.3U CN201520421107U CN204868300U CN 204868300 U CN204868300 U CN 204868300U CN 201520421107 U CN201520421107 U CN 201520421107U CN 204868300 U CN204868300 U CN 204868300U
- Authority
- CN
- China
- Prior art keywords
- gland
- screw mandrel
- nut
- lead screw
- pressfitting
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 210000004907 gland Anatomy 0.000 claims abstract description 39
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a lead screw axial fixity device, technical field is designed for mechanical device in affiliated field, including base, gland, pressfitting nut, lead screw, soket head cap screw, soket head cap screw fixes on the lathe lathe bed for the base, and processing has the bearing saddle bore in the middle of the base, and the lead screw adopts the radial ball bearing to support in the bearing saddle bore, and soket head cap screw fixes the leading flank at the base for the gland, and the pressfitting nut closes soon in the gland, and the tip of lead screw is fixed by the pressfitting nut, the utility model discloses a lead screw axial fixity device, the position of pressfitting nut is adjustable, and the lead screw is fixed convenient, and the gland is fixed convenient, reliable, and middle the trailing flank processing of pressfitting nut has the annular to sink the platform, and the tip of lead screw relies on the annular to sink the platform to carry out axial fixity promptly, and processing has evenly distributed's a breach groove on the outer circumference of pressfitting nut, and during the position of adjustment pressfitting nut, instruments such as spanner can conveniently block into wherein, adjustment convenience, laborsaving.
Description
Technical field
The utility model relates to mechanical device design field, particularly relates to a kind of screw mandrel axial securing means for impeller.
Background technology
Screw mandrel is a kind of extremely common part lathe being used for realize feed motion, screw mandrel is installed to after on lathe needs axial restraint, in the screw mandrel fixed form that traditional machine tool adopts, the fixing trouble of screw mandrel, fixture mostly is fixed structure, adjustment or cannot be difficult to, some lathe adopts gland, but gland is fixing reasonable not, cause screw mandrel to be fixed unreliable, the position therefore designing a kind of pressing nut is adjustable, screw mandrel convenient fixing, gland convenient fixing, reliable, pressing nut is easy to adjust, labour-saving screw mandrel axial securing means for impeller is very necessary.
Utility model content
The purpose of this utility model is exactly the fixing trouble in order to overcome existing screw mandrel, fixture or cannot be difficult to adjustment, insecure defect fixed by screw mandrel, devise a kind of screw mandrel axial securing means for impeller, the position of pressing nut is adjustable, screw mandrel convenient fixing, gland convenient fixing, reliable, pressing nut is easy to adjust, laborsaving.
The required technical problem solved of the utility model can be achieved through the following technical solutions:
A kind of screw mandrel axial securing means for impeller, comprise base, screw mandrel, soket head cap screw, the described soket head cap screw of described base is fixed on bed piece, the centre of described base is processed with bearing saddle bore, described screw mandrel adopts radial ball bearing to be supported in bearing saddle bore, and also comprise gland, pressing nut, the described soket head cap screw of described gland is fixed on the leading flank of described base, described pressing nut screws in described gland, and the end of described screw mandrel is fixed by described pressing nut.
Be processed with circular hole in the middle of described gland, its inner surface has attacked screw thread, and namely described pressing nut screws in the screwed hole of described gland.
The described soket head cap screw being used for fixing described gland has four, is evenly arranged on the endoporus of described gland and cylindrical intermediate symmetry circumferentially.
The middle trailing flank of described pressing nut is processed with annular heavy stand.
The excircle of described pressing nut is processed with equally distributed gap slot.
Owing to have employed above technical scheme, the utility model tool has the following advantages:
Adopt base, screw mandrel, soket head cap screw, gland, the screw mandrel axial securing means for impeller of pressing nut combined together design, screw mandrel axial securing means for impeller disclosed in the utility model, circular hole is processed with in the middle of gland, its inner surface has attacked screw thread, namely pressing nut screws in the screwed hole of gland, be used for carrying out axial restraint to screw mandrel, the position of pressing nut can adjust, therefore to screw mandrel convenient fixing, the soket head cap screw being used for fixing gland has four, evenly be arranged on the endoporus of gland and cylindrical intermediate symmetry circumferentially, convenient fixing, reliably, the middle trailing flank of pressing nut is processed with annular heavy stand, namely the end of screw mandrel relies on annular heavy stand to carry out axial restraint, the excircle of pressing nut is processed with equally distributed gap slot, when adjusting the position of pressing nut, the instruments such as spanner can snap in wherein easily, easy to adjust, laborsaving.
Accompanying drawing explanation
Fig. 1 is the utility model structure front-view schematic diagram;
Fig. 2 is the utility model pressing nut schematic rear view;
In figure, each assembly and Reference numeral are respectively: 1, base; 2, gland; 3, pressing nut; 4, screw mandrel; 5, soket head cap screw; 6, annular heavy stand.
Detailed description of the invention
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
A kind of screw mandrel axial securing means for impeller, comprise base 1, gland 2, pressing nut 3, screw mandrel 4, soket head cap screw 5, base 1 soket head cap screw 5 is fixed on bed piece (not shown in FIG.), the centre of base 1 is processed with bearing saddle bore, screw mandrel 4 adopts radial ball bearing to be supported in bearing saddle bore, gland 2 soket head cap screw 5 is fixed on the leading flank of base 1, and pressing nut 3 screws in gland 2, and the end of screw mandrel 4 is fixed by pressing nut 3.
Be processed with circular hole in the middle of gland 2, its inner surface has attacked screw thread, and namely pressing nut 3 screws in the screwed hole of gland 2, is used for carrying out axial restraint to screw mandrel 4, and the position of pressing nut 3 can adjust, therefore to screw mandrel 4 convenient fixing.
The soket head cap screw 5 being used for fixing gland 2 has four, is evenly arranged on the endoporus of gland 2 and cylindrical intermediate symmetry circumferentially, convenient fixing, reliable.
The middle trailing flank of pressing nut 3 is processed with annular heavy stand 6, and namely the end of screw mandrel 4 relies on annular heavy stand 6 to carry out axial restraint.
The excircle of pressing nut 3 is processed with equally distributed gap slot, and when adjusting the position of pressing nut 3, the instruments such as spanner can snap in wherein easily, easy to adjust, laborsaving.
Screw mandrel axial securing means for impeller disclosed in the utility model, circular hole is processed with in the middle of gland 2, its inner surface has attacked screw thread, namely pressing nut 3 screws in the screwed hole of gland 2, be used for carrying out axial restraint to screw mandrel 4, the position of pressing nut 3 can adjust, therefore to screw mandrel 4 convenient fixing, the soket head cap screw 5 being used for fixing gland 2 has four, evenly be arranged on the endoporus of gland 2 and cylindrical intermediate symmetry circumferentially, convenient fixing, reliably, the middle trailing flank of pressing nut 3 is processed with annular heavy stand 6, namely the end of screw mandrel 4 relies on annular heavy stand 6 to carry out axial restraint, the excircle of pressing nut 3 is processed with equally distributed gap slot, when adjusting the position of pressing nut 3, the instruments such as spanner can snap in wherein easily, easy to adjust, laborsaving.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model; the technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a screw mandrel axial securing means for impeller, comprise base, screw mandrel, soket head cap screw, the described soket head cap screw of described base is fixed on bed piece, the centre of described base is processed with bearing saddle bore, described screw mandrel adopts radial ball bearing to be supported in bearing saddle bore, it is characterized in that: also comprise gland, pressing nut, the described soket head cap screw of described gland is fixed on the leading flank of described base, described pressing nut screws in described gland, and the end of described screw mandrel is fixed by described pressing nut.
2. a kind of screw mandrel axial securing means for impeller according to claim 1, is characterized in that: is processed with circular hole in the middle of described gland, its inner surface has attacked screw thread, and namely described pressing nut screws in the screwed hole of described gland.
3. a kind of screw mandrel axial securing means for impeller according to claim 1, is characterized in that: the described soket head cap screw being used for fixing described gland has four, is evenly arranged on the endoporus of described gland and cylindrical intermediate symmetry circumferentially.
4. a kind of screw mandrel axial securing means for impeller according to claim 1, is characterized in that: the middle trailing flank of described pressing nut is processed with annular heavy stand.
5. a kind of screw mandrel axial securing means for impeller according to claim 1, is characterized in that: the excircle of described pressing nut is processed with equally distributed gap slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520421107.3U CN204868300U (en) | 2015-06-17 | 2015-06-17 | Lead screw axial fixity device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520421107.3U CN204868300U (en) | 2015-06-17 | 2015-06-17 | Lead screw axial fixity device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204868300U true CN204868300U (en) | 2015-12-16 |
Family
ID=54812722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520421107.3U Expired - Fee Related CN204868300U (en) | 2015-06-17 | 2015-06-17 | Lead screw axial fixity device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204868300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312659A (en) * | 2015-06-17 | 2017-01-11 | 池州市大正机械制造有限责任公司 | Lead screw axial fixing device |
-
2015
- 2015-06-17 CN CN201520421107.3U patent/CN204868300U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312659A (en) * | 2015-06-17 | 2017-01-11 | 池州市大正机械制造有限责任公司 | Lead screw axial fixing device |
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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: 20151216 Termination date: 20160617 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |