CN201471189U - Part machining positioning device - Google Patents
Part machining positioning device Download PDFInfo
- Publication number
- CN201471189U CN201471189U CN2009201342231U CN200920134223U CN201471189U CN 201471189 U CN201471189 U CN 201471189U CN 2009201342231 U CN2009201342231 U CN 2009201342231U CN 200920134223 U CN200920134223 U CN 200920134223U CN 201471189 U CN201471189 U CN 201471189U
- Authority
- CN
- China
- Prior art keywords
- frustum
- cone
- axis body
- part processing
- chuck
- 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 - Lifetime
Links
Images
Abstract
The utility model discloses a machining positioning device which is suitable for plate set type parts. The machining positioning device consists of a spindle shaft core, an adjusting jacket, a dense bead set, a steel ball and a nut, wherein the steel ball is arranged on the dense bead set which is sheathed on the spindle shaft core through the adjusting jacket, and the nut is spirally connected onto the spindle shaft core at two ends of the adjusting jacket. By adjusting the nut to press the adjusting jacket tightly so as to lead the adjusting jacket to generate radial expansion, the steel ball is forced to be tensioned on the circumferential surface of an inner hole of a part to be machined, and the positioning device forms lattice contact with the part to be machined, thereby improving the machining stability, and ensuring the machining accuracy and the machining efficiency.
Description
Technical field
The utility model relates to field of machining, particularly the disk cover parts processing and positioning device.
Background technology
As everyone knows, the machine components crudy directly influences the running precision of integral device, so machine components are processed high precision int day by day.The part processing quality is processed employed positioner and is also being brought into play important effect the precision of process equipment own, process means influence except that being subjected to.For disk cover parts, normal at present use tapering axle positions, and adds man-hour, and the part endoporus directly is sleeved on the tapering axle, because axle possesses micro taper, makes part endoporus and axle realize the angle of friction self-locking, thereby reaches high orientation precision.But axle belongs to the line contact with contacting at microcosmic of part endoporus, the circularity of supposing axle and part endoporus is enough good, then the contact position is the endoporus of part and one whole section circumference at the bigger end of cone place, because the line contact can not be born bigger cutting force, therefore when being subjected to cutting force greatly, processing causes easily that relative position changes between part and axle, influence part processing stability and machining accuracy, in order to improve processing stability, guarantee machining accuracy, usually adopt the way that reduces cutting force, the result can make working (machining) efficiency be affected again.
The utility model content
Technical problem to be solved in the utility model provides a kind of part processing positioner, to improve the workpiece processing stability, guarantees machining accuracy and working (machining) efficiency.
For solving the problems of the technologies described above, the part processing positioner that the utility model adopted comprises axle axle core, regulate chuck, dense ball set, steel ball and two nuts, described axle axle core mid portion is the frustum of a cone, frustum of a cone two ends connect one section screw thread axis body respectively, described adjusting chuck hole taper is identical with described frustum of a cone tapering, regulate the bigger end of chuck endoporus and have several trough vertically, evenly distribute according to circumferencial direction, be uniform several circular holes of lattice-like on the described dense ball set periphery, place respectively in the described circular hole with the steel ball of circular hole equal number, the adjustable clamp cover is sleeved on the frustum of a cone, the bigger end of its endoporus is positioned at frustum of a cone large end face place, dense ball set is sleeved on adjustable clamp and puts, and two nuts are screwed on the screw thread axis body, is close to respectively to regulate the chuck two ends.
The part processing positioner that the utility model adopted further comprises two pads, and two pads are sleeved on the axle axle core, lays respectively to regulate between chuck and the nut.
As a kind of preferred structure of the present utility model, the distribution form of described circular hole on the dense ball set periphery is M * N dot matrix, and M represents the quantity that circular hole distributes along the dense ball set circumferencial direction, and N represents the quantity of circular hole along the dense ball set axial distribution, wherein, M and N are the integer more than or equal to 2.
As a kind of preferred structure of the present utility model, described circular hole and steel ball are interference fit.
As a kind of preferred structure of the present utility model, described frustum of a cone tapering is 1: 1000.
As a kind of preferred structure of the present utility model, there are 3 * 5 ° of reverse tapers at described frustum of a cone small end face place.
As a kind of preferred structure of the present utility model, described adjusting chuck length is greater than frustum of a cone length.
As a kind of preferred structure of the present utility model, the quantity that described adjustable clamp puts fluting is 8, and the length of groove is for regulating 3/4 of chuck length.
As a kind of preferred structure of the present utility model, the screw thread axis body two ends of described axle axle core connect one section cylinder axis body respectively, and screw thread axis body diameter is less than frustum of a cone diameter, and cylinder axis body diameter is less than screw thread axis body diameter.
As a kind of preferred structure of the present utility model, described nut is a serrated nut, and described screw thread axis body is the fine thread axis body.
The utility model is by adopting above technical scheme, adjustable clamp is enclosed within produce under the stressed situation of end face and is radially expanded, compressing steel ball tensioner is on the periphery of part endoporus to be processed, realize that positioner contacts with the dot matrix of part to be processed, increase contact precision and contacted rigidity, improve processing stability, guaranteed machining accuracy and working (machining) efficiency.
Description of drawings
Describe the specific embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Cross-sectional view and partial enlarged drawing thereof when Fig. 1 is positioner of the present utility model location processing parts;
Fig. 2 is the structural representation of axle axle core;
Fig. 3 is for regulating the structural representation of chuck;
Fig. 4 is the structural representation that dense ball set cooperates with steel ball;
Fig. 5 is the use schematic diagram of positioner of the present utility model on lathe.
The specific embodiment
As Fig. 1 to shown in Figure 5, part processing positioner of the present utility model by axle axle core 1, regulate chuck 2, dense ball set 3, steel ball 4, pad 5, two nuts 6 are formed.The mid portion of axle axle core 1 is the frustum of a cone 7, the frustum of a cone 7 two ends connect one section screw thread axis body 8 respectively, the hole taper of regulating chuck 2 is identical with the tapering of the frustum of a cone 7, regulate the bigger end of chuck 2 endoporus and have several vertically according to the equally distributed groove of circumferencial direction, be lattice-like on the periphery of dense ball set 3 and be furnished with several circular holes, the steel ball 4 identical with circular hole quantity places respectively in the above circular hole, regulating chuck 2 is sleeved on the frustum of a cone 7, the bigger end of its endoporus is positioned at the frustum of a cone 7 large end face places, dense ball set 3 is sleeved on to be regulated on the chuck 2, two nuts 6 are screwed on the screw thread axis body 8, are close to the two ends of regulating chuck 2 respectively.
Axle axle core 1 comprises several sections axis bodies that diameter is different.Mid portion is the frustum of a cone 7, and its tapering is 1: 1000, and for making things convenient for subsequent installation, there are 3 * 5 ° of reverse tapers 9 at the frustum of a cone 7 small end face places; The frustum of a cone 7 two ends connect one section screw thread axis body 8 respectively, and the diameter of screw thread axis body 8 is less than the diameter of the frustum of a cone 7; Screw thread axis body 8 outer ends connect one section cylinder axis body 10 respectively, and the diameter of cylinder axis body 10 is less than the diameter of screw thread axis body 8, and respectively there is a centre bore cylinder axis body 10 ends, are used for positioner is positioned at lathe 11 (as shown in Figure 5).
Regulate the length of the length of chuck 2 greater than the frustum of a cone 7, hole taper is 1: 1000, be radially expanded in order to make adjusting chuck 2 be easy to produce, fluting on the chuck 2 can regulated, its quantity is not less than 2, the length of groove can be overlapped 2/3 to 3/4 of 2 length for adjustable clamp, and fluting quantity is 8 in the present embodiment, and the length of groove is for regulating 3/4 of chuck 2 length.
Dense ball set 3 is sleeved on to be regulated on the chuck 2, be the uniform M * N of a lattice-like circular hole on its periphery, M * N steel ball 4 is arranged in M * N the circular hole, and steel ball 4 slightly larger in diameter are in the circular hole aperture, its not a half part is positioned at outside the dense ball set circumference, is interference fit with circular hole.M represents the quantity that circular hole distributes along the dense ball set circumferencial direction, and N represents the quantity of circular hole along the dense ball set axial distribution, and M and N are the integer more than or equal to 2, and its concrete numerical value is decided on dense ball set and circular hole size, and M, N are 10 in the present embodiment.
As shown in Figure 1, two pads 5 are set on two sections screw thread axis bodies 8, are regulating between chuck 2 and the nut 6.Screw thread axis body 8 and nut 6 all adopt fine thread in the present embodiment, to reach accurate more, the difficult loosening effect of adjusting.
During processing parts, part 12 to be processed is sleeved on the dense ball set 3, loosen the frustum of a cone 7 large end face place nuts 6, regulating small end face place nut 6 makes it compress adjusting chuck 2, regulating chuck 2 advances to the frustum of a cone 7 large end face directions under nut 6 pressure effects vertically, one section of its fluting produces thereupon and is radially expanded, with steel ball 4 tensioners on the periphery of part 12 endoporus to be processed, make positioner and part to be processed form intensive dot matrix and contact, screw large end face place nut 6 at last again and promptly finish the workpiece location.
Claims (10)
1. part processing positioner, comprise axle axle core, it is characterized in that, also comprise the adjusting chuck, dense ball set, steel ball and two nuts, described axle axle core mid portion is the frustum of a cone, frustum of a cone two ends connect one section screw thread axis body respectively, described adjusting chuck hole taper is identical with described frustum of a cone tapering, regulate the bigger end of chuck endoporus and have several trough vertically, evenly distribute according to circumferencial direction, be uniform several circular holes of lattice-like on the described dense ball set periphery, place respectively in the described circular hole with the steel ball of circular hole equal number, the adjustable clamp cover is sleeved on the frustum of a cone, the bigger end of its endoporus is positioned at frustum of a cone large end face place, dense ball set is sleeved on adjustable clamp and puts, and two nuts are screwed on the screw thread axis body, is close to respectively to regulate the chuck two ends.
2. part processing positioner according to claim 1 is characterized in that: also comprise two pads, two pads are sleeved on the axle axle core, lay respectively to regulate between chuck and the nut.
3. part processing positioner according to claim 1, it is characterized in that: the distribution form of described circular hole on the dense ball set periphery is M * N dot matrix, M represents the quantity that circular hole distributes along the dense ball set circumferencial direction, N represents the quantity of circular hole along the dense ball set axial distribution, wherein, M and N are the integer more than or equal to 2.
4. part processing positioner according to claim 1 is characterized in that: described circular hole and steel ball are interference fit.
5. part processing positioner according to claim 1 is characterized in that: described frustum of a cone tapering is 1: 1000.
6. part processing positioner according to claim 1 is characterized in that: there are 3 * 5 ° of reverse tapers at described frustum of a cone small end face place.
7. part processing positioner according to claim 1 is characterized in that, described adjusting chuck length is greater than frustum of a cone length.
8. part processing positioner according to claim 1 is characterized in that, the quantity that described adjustable clamp puts fluting is 8, and the length of groove is for regulating 3/4 of chuck length.
9. part processing positioner according to claim 1 is characterized in that: the screw thread axis body two ends of described axle axle core connect one section cylinder axis body respectively, and screw thread axis body diameter is less than frustum of a cone diameter, and cylinder axis body diameter is less than screw thread axis body diameter.
10. part processing positioner according to claim 1 is characterized in that: described nut is a serrated nut, and described screw thread axis body is the fine thread axis body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201342231U CN201471189U (en) | 2009-07-24 | 2009-07-24 | Part machining positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201342231U CN201471189U (en) | 2009-07-24 | 2009-07-24 | Part machining positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201471189U true CN201471189U (en) | 2010-05-19 |
Family
ID=42407430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201342231U Expired - Lifetime CN201471189U (en) | 2009-07-24 | 2009-07-24 | Part machining positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201471189U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896048A (en) * | 2014-03-04 | 2014-07-02 | 哈尔滨工程大学 | Self-adaptation circumferential positioning device |
| CN103934663A (en) * | 2014-04-02 | 2014-07-23 | 无锡创捷汽车部件有限公司 | Automatic steel ball measuring riveting press positioning mechanism for plunger |
| CN104609328A (en) * | 2013-11-05 | 2015-05-13 | 株式会社日立制作所 | Electromagnetic braking device, winding engine, and elevator equipment |
| CN114290096A (en) * | 2021-12-31 | 2022-04-08 | 枣庄北航机床创新研究院有限公司 | Flexible clamp for blade machining and clamping method |
| CN114434227A (en) * | 2022-02-08 | 2022-05-06 | 大连理工大学 | Boring and grinding device for improving precision of outer cylindrical surface of part by taking inner hole as reference |
-
2009
- 2009-07-24 CN CN2009201342231U patent/CN201471189U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609328A (en) * | 2013-11-05 | 2015-05-13 | 株式会社日立制作所 | Electromagnetic braking device, winding engine, and elevator equipment |
| CN103896048A (en) * | 2014-03-04 | 2014-07-02 | 哈尔滨工程大学 | Self-adaptation circumferential positioning device |
| CN103896048B (en) * | 2014-03-04 | 2015-10-28 | 哈尔滨工程大学 | A kind of self adaptation positioning apparatus for circumferential direction |
| CN103934663A (en) * | 2014-04-02 | 2014-07-23 | 无锡创捷汽车部件有限公司 | Automatic steel ball measuring riveting press positioning mechanism for plunger |
| CN114290096A (en) * | 2021-12-31 | 2022-04-08 | 枣庄北航机床创新研究院有限公司 | Flexible clamp for blade machining and clamping method |
| CN114434227A (en) * | 2022-02-08 | 2022-05-06 | 大连理工大学 | Boring and grinding device for improving precision of outer cylindrical surface of part by taking inner hole as reference |
| CN114434227B (en) * | 2022-02-08 | 2022-11-22 | 大连理工大学 | Boring and grinding device for improving precision of outer cylindrical surface of part by taking inner hole as reference |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201471189U (en) | Part machining positioning device | |
| CN201385225Y (en) | Chuck-type centering clamping device | |
| CN205401448U (en) | A transfer crack bearing device that is used for outer taper sleeve of having of pole piece rolling mill | |
| CN206854684U (en) | A kind of three-jaw clamping device | |
| CN203330426U (en) | Adjustable eccentric chuck | |
| CN106001615B (en) | A kind of super large draw ratio Machining of Shaft-type Parts device and its processing method | |
| CN205021244U (en) | A milling fixture that is used for centering clamping part axis of reference on lathe | |
| CN105345171A (en) | Positioning and clamping device | |
| CN206216035U (en) | A kind of radial positioning fixture | |
| CN202622437U (en) | Finish turning fixture for external convex and varying ellipse of piston of diesel | |
| CN102744433B (en) | Fixture | |
| CN108188425A (en) | A kind of lever Automatic-clamping chuck | |
| CN202779871U (en) | Fixture | |
| CN103949917A (en) | Ring type workpiece fixing device | |
| CN201391540Y (en) | Insert bearing with concentric locking collar | |
| CN204019054U (en) | A kind of cylinder inner bore floats Burnishing process device | |
| CN101462186B (en) | Fixing method in gear shaping process of shaft part | |
| CN202964132U (en) | Machining tool of part with arc head on screw rod end portion | |
| CN206316396U (en) | A kind of elastic central spindle for processing driving wheel | |
| CN206536343U (en) | Adjustable honing head | |
| CN202428065U (en) | Spiral adjustable end face limiting gear grinding fixture | |
| CN101745829B (en) | Adjustable rotary electrical-discharge machining frock clamp | |
| CN201711621U (en) | Screw tap quick change type clamp | |
| CN212635410U (en) | Clamp for grinding taper of crankshaft assembly | |
| CN209319307U (en) | Less than 10 millimeters axle ends of diameter machine self-centering fixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100519 |
|
| CX01 | Expiry of patent term |