CN201529782U - Cylinder barrel processing and centering device - Google Patents
Cylinder barrel processing and centering device Download PDFInfo
- Publication number
- CN201529782U CN201529782U CN2009202525615U CN200920252561U CN201529782U CN 201529782 U CN201529782 U CN 201529782U CN 2009202525615 U CN2009202525615 U CN 2009202525615U CN 200920252561 U CN200920252561 U CN 200920252561U CN 201529782 U CN201529782 U CN 201529782U
- Authority
- CN
- China
- Prior art keywords
- cylinder barrel
- mandrel
- driving pawl
- processing
- shaft shoulder
- 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
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Abstract
The utility model discloses a cylinder barrel processing and centering device which comprises a mandrel; the mandrel is sheathed with a taper sleeve; the taper sleeve is externally sheathed with an expansion sleeve; the mandrel is provided with a shaft shoulder; the expansion sleeve is fixedly connected with the mandrel; the mandrel is provided with a pushing nut; the taper sleeve is provided with a driving pawl; the shaft shoulder is provided with a hole provided for the driving pawl passing through; and the driving pawl penetrates the hole and pushes against the pushing nut. When in processing, two ends of the cylinder barrel are respectively provided with the cylinder barrel processing and centering device, the pushing nuts are screwed tightly after well location, when in screwing, the driving pawl is pushed to drive the taper sleeve to move on the mandrel, and simultaneously and radially enlarges the expansion sleeve to swell the inner wall of the cylinder barrel, the axial positioning datum is overlapped with the design datum when the cylinder barrel is processed, datum transformation errors generated by clamping are eliminated, the radial positioning of the cylinder barrel is not changed in processing, and the clamping precision in the turning and grinding of the cylinder barrel is improved, thus effectively guaranteeing the dimensional accuracy and geometric tolerance in the turning of the cylinder barrel.
Description
Technical field
The utility model relates to a kind of centering equipment that is used to process cylinder barrel.
Background technology
Processing cylinder barrel outer round surface, when position accuracy demand is higher, usually adopt the processing method of cylindrical mandrel at the cylinder barrel two ends, put into cylindrical mandrel respectively at the cylinder barrel two ends, the fit form that makes cylindrical mandrel and workpiece is an interference fit, this axle workpiece loading and unloading trouble, often cause the inclination of workpiece because of the variation of fit clearance, the center that makes two axles is not on same axis, can't radial location, it is overproof to make inside and outside circle add man-hour coaxial precision, adds the requirement of the dimensional accuracy and the form and position tolerance in man-hour so can't guarantee cylinder barrel.
The utility model content
Technical problem to be solved in the utility model provides a kind of cylinder barrel that processing can accurately be felt relieved during cylinder barrel on lathe processing centring means.
For solving the problems of the technologies described above, the technical solution of the utility model is: cylinder barrel processing centring means, comprise mandrel, be set with tapered sleeve on the described mandrel, described tapered sleeve is set with ringfeder outward, described mandrel is provided with the shaft shoulder, described ringfeder is fixedlyed connected with described mandrel, and the promotion nut is installed on the described mandrel, and described tapered sleeve is provided with driving pawl, the described shaft shoulder is provided with the hole of passing for described driving pawl, and described driving pawl passes described hole and is resisted against on the described promotion nut.
As a kind of preferred version, between described promotion nut and the described driving pawl packing ring is installed.
Owing to adopted technique scheme, cylinder barrel processing centring means, comprise mandrel, be set with tapered sleeve on the described mandrel, described tapered sleeve is set with ringfeder outward, described mandrel is provided with the shaft shoulder, described ringfeder is fixedlyed connected with described mandrel, and the promotion nut is installed on the described mandrel, and described tapered sleeve is provided with driving pawl, the described shaft shoulder is provided with the hole of passing for described driving pawl, and described driving pawl passes described hole and is resisted against on the described promotion nut; Add man-hour,, tighten described promotion nut after putting in place respectively, promote three driving pawls that length is identical when tightening, described tapered sleeve is moved on described mandrel, described ringfeder is radially strengthened, the tensioner inner wall of cylinder the utility model cylinder barrel two ends of respectively packing into; Simultaneously, the axial location benchmark that makes cylinder barrel add man-hour overlaps with design basis, eliminated the benchmark transformed error that produces because of clamping, it is constant that cylinder barrel adds the radial location in man-hour, clamping precision when having improved cylinder barrel turning, grinding, generally below 0.02mm, thereby the dimensional accuracy of cylinder barrel turning processing and the requirement of form and position tolerance have been guaranteed effectively; Ringfeder is retracted to previous status automatically when unclamping described promotion nut.The utlity model has cylinder barrel end face location benchmark, not only thoroughly solved on numerically controlled lathe, can not locate overlap in the processing outside the defective of rounded corner, inverted arc, recessing; And, be adapted to seal groove in the car hole especially with the location of the cylindrical after the processing, with the clamping of two chucks, can effectively guarantee the axiality of bottom land and endoporus; During turning, stay that grinding allowance is monolateral can significantly to be improved grinding machine production efficiency, reduce cost below 0.10mm.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 be among Fig. 1 A-A to view.
The specific embodiment
Below in conjunction with the specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
As depicted in figs. 1 and 2, cylinder barrel processing centring means, comprise mandrel 1, be set with tapered sleeve 4 on the described mandrel 1, the described tapered sleeve 4 outer ringfeders 5 that are set with, described mandrel 1 is provided with the shaft shoulder, described ringfeder 5 is fixedlyed connected with described mandrel 1, is equipped with on the described mandrel 1 to promote nut 2, and described tapered sleeve 4 is provided with driving pawl 41, the described shaft shoulder is provided with the hole of passing for described driving pawl 41, and described driving pawl 41 passes described hole and is resisted against on the described promotion nut 2.
Between described promotion nut 2 and the described driving pawl 41 packing ring 3 is installed.
Add man-hour,, tighten described promotion nut 2 after putting in place respectively the utility model cylinder barrel two ends of respectively packing into, promote three described driving pawls 41 that length is identical when tightening, described tapered sleeve 4 is moved on described mandrel 1, make described ringfeder 5 radially strengthen the tensioner inner wall of cylinder simultaneously; Simultaneously, the axial location benchmark that makes cylinder barrel add man-hour overlaps with design basis, eliminated the benchmark transformed error that produces because of clamping, it is constant that cylinder barrel adds the radial location in man-hour, clamping precision when having improved cylinder barrel turning, grinding, generally below 0.02mm, thereby the dimensional accuracy of cylinder barrel turning processing and the requirement of form and position tolerance have been guaranteed effectively; Ringfeder is retracted to previous status automatically when unclamping nut 2.
The utlity model has cylinder barrel end face location benchmark, not only thoroughly solved on numerically controlled lathe, can not locate overlap in the processing outside the defective of rounded corner, inverted arc, recessing; And, be adapted to seal groove in the car hole especially with the location of the cylindrical after the processing, with the clamping of two chucks, can effectively guarantee the axiality of bottom land and endoporus; During turning, stay that grinding allowance is monolateral can significantly to be improved grinding machine production efficiency, reduce cost below 0.10mm.
The utility model is the centering elasticity special use anchor clamps that rise, and is to aim at the high-precision cylinder barrel location turning in the inside and outside hole of requirement after the endoporus fine finishining, grinding development and Design.
Claims (2)
1. cylinder barrel is processed centring means, comprise mandrel, it is characterized in that: be set with tapered sleeve on the described mandrel, described tapered sleeve is set with ringfeder outward, and described mandrel is provided with the shaft shoulder, and described ringfeder is fixedlyed connected with described mandrel, the promotion nut is installed on the described mandrel, described tapered sleeve is provided with driving pawl, and the described shaft shoulder is provided with the hole of passing for described driving pawl, and described driving pawl passes described hole and is resisted against on the described promotion nut.
2. cylinder barrel processing centring means as claimed in claim 1 is characterized in that: between described promotion nut and the described driving pawl packing ring is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202525615U CN201529782U (en) | 2009-11-09 | 2009-11-09 | Cylinder barrel processing and centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202525615U CN201529782U (en) | 2009-11-09 | 2009-11-09 | Cylinder barrel processing and centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201529782U true CN201529782U (en) | 2010-07-21 |
Family
ID=42525193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202525615U Expired - Fee Related CN201529782U (en) | 2009-11-09 | 2009-11-09 | Cylinder barrel processing and centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201529782U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513858A (en) * | 2011-12-30 | 2012-06-27 | 广州机床厂有限公司 | Long bar stock fixture for lathe |
| CN104690324A (en) * | 2015-02-11 | 2015-06-10 | 武文成 | Die tensioning device |
| CN105156483A (en) * | 2015-08-12 | 2015-12-16 | 北京兴华机械厂 | Method for adjusting coaxiality of magnetic bearings |
| CN108274201A (en) * | 2018-02-02 | 2018-07-13 | 四川融至精密机械有限公司 | VVT valve pocket automatic processing technologies |
-
2009
- 2009-11-09 CN CN2009202525615U patent/CN201529782U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513858A (en) * | 2011-12-30 | 2012-06-27 | 广州机床厂有限公司 | Long bar stock fixture for lathe |
| CN104690324A (en) * | 2015-02-11 | 2015-06-10 | 武文成 | Die tensioning device |
| CN105156483A (en) * | 2015-08-12 | 2015-12-16 | 北京兴华机械厂 | Method for adjusting coaxiality of magnetic bearings |
| CN108274201A (en) * | 2018-02-02 | 2018-07-13 | 四川融至精密机械有限公司 | VVT valve pocket automatic processing technologies |
| CN108274201B (en) * | 2018-02-02 | 2019-10-25 | 四川融至精密机械有限公司 | VVT valve pocket automatic processing technology |
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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: 20100721 Termination date: 20121109 |