CN205551510U - Close pearl cover line -up clamp - Google Patents
Close pearl cover line -up clamp Download PDFInfo
- Publication number
- CN205551510U CN205551510U CN201620304665.6U CN201620304665U CN205551510U CN 205551510 U CN205551510 U CN 205551510U CN 201620304665 U CN201620304665 U CN 201620304665U CN 205551510 U CN205551510 U CN 205551510U
- Authority
- CN
- China
- Prior art keywords
- steel ball
- threaded rod
- ball set
- dense
- centralizer
- 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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- Powder Metallurgy (AREA)
- Earth Drilling (AREA)
Abstract
The utility model discloses a close pearl cover line -up clamp, comprises a clamp body, the anchor clamps body is equipped with centering shaft, the centering shaft front end is equipped with the threaded rod, the last cover of centering shaft is equipped with mi zhutao, threaded rod suit clamp plate, the threaded rod is equipped with the nut that is used for locking the clamp plate, close pearl cover is equipped with a plurality of steel ball hole including bush and steel ball on the bush, the steel ball activity is inlayed in the steel ball hole, the anchor clamps body includes main part, centering shaft and threaded rod including driving -disc and connection base, driving -disc, and the driving -disc passes through flange joint with the connection base is in the same place, connects the base and is equipped with the mounting hole that is used for installing the lathe screw rod, the centering shaft front end is equipped with the annular groove, and the annular groove is installed the close pearl of restriction cover axial displacement's axle and is used circlip. The utility model discloses following beneficial effect has: the realization is to the zero clearance clamping of impeller part, simple structure, and interchangeability is strong, long service life, the installation is dismantled swift conveniently, can satisfy the clamping of multiple hole aperture specification part.
Description
Technical field
This utility model relates to the technical field of machinery Set and Positioning, is specifically related to a kind of dense ball set centralizer
。
Background technology
Because user has the highest requirement to machining accuracy, working (machining) efficiency and processing cost, so promoting
Make clamp technology development.A few days ago, in Impeller Parts is processed, most employing gap mandrel is fixed
Position, when fixture mandrel gap is little, workman installs Impeller Parts wastes time and energy, and labor intensity is big, is unfavorable for
Execute-in-place；When fixture mandrel gap is big, beating after Impeller Parts processing reaches 0.07～0.1mm, no
Technological requirement can be met；User can not be met part high-precision, high efficiency, low processing cost are wanted simultaneously
Ask.
Utility model content
Technical problem to be solved in the utility model be to provide one can self-centering gapless clamping, centering essence
Degree is good, and interchangeability is strong, and the life-span is long, simple in construction, and installing/dismounting is efficient and convenient, can meet multiple endoporus
The dense ball set centralizer of aperture specification parts fixation.
The technical solution realizing this utility model purpose is: dense ball set centralizer, it is characterised in that:
Including clamp body, described clamp body is provided with centration axis, and described centration axis front end is provided with threaded rod, described centering
Being set with dense ball set on axle, described threaded rod suit pressing plate, described threaded rod is provided with the spiral shell for locking pressure plate
Female.
Described dense ball set includes that lining and steel ball, described lining are provided with multiple steel ball hole, and described steel ball is movable
It is mounted in steel ball hole.
The diameter tolerance of described steel ball and sphericity are within 0.0025mm, and steel ball material uses bearing steel GCr1
5, heat treatment hardness is 62～67HRC.
Described lining material uses copper-titanium alloy, hardness 58～60HRC.
Described clamp body includes driving dish and connects base, and described driving dish includes main part, above-mentioned centration axis
With above-mentioned threaded rod, described driving dish is together with connecting base and passing through Flange joint, and described connection base sets
There is the installing hole for fitting machine bed screw rod.
Described centration axis front end is provided with annular groove, and described annular groove is provided with restriction dense ball set and moves axially
Circlip for shaft.
The flange of described connection base is provided with central authorities' counterbore, and the flange of described driving dish is provided with and sinks with central authorities
The boss that hole matches, described driving dish be provided with two be arranged symmetrically with eject screwed hole.
Described dense ball set is sleeved in centration axis, and dense ball set coordinates employing interference fit, mistake with inner bore of part
The amount of being full of is 0.01～0.02mm.
This utility model dense ball set centralizer has the advantages that
1) described clamp body is by driving dish and connection base to pass through Flange joint, by changing driving of different size
Moving plate and dense ball set, then be suitable for the part processing in different endoporus aperture.
2) diameter tolerance of described steel ball and sphericity are within 0.0025, and steel ball material uses bearing steel GCr1
5, heat treatment hardness is 62～67HRC, has high rigidity, high-wearing feature, and service life is long.
3) dense ball set being sleeved on described in centration axis coordinates employing interference fit, the magnitude of interference with inner bore of part
It is 0.01～0.02mm, it is achieved the gapless clamping to part, with due to steel ball, there is round and smooth effect, part
In installation process, centering precision is high, and part dismounting simple and fast is convenient, can guarantee that again technological requirement.
4) connecting base and be provided with installing hole, can be installed on different lathes, interchangeability is strong, installation side
Just, multiple occasion can be met use.
Accompanying drawing explanation
With embodiment, this utility model is elaborated below in conjunction with the accompanying drawings；
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structure for amplifying schematic diagram in Fig. 1 at I；
Fig. 3 is use state diagram of the present utility model.
Detailed description of the invention
As shown in FIG. 1 to 3, dense ball set centralizer, including clamp body, described clamp body includes driving dish 1
With connection base 2, described driving dish 1 includes main part 1.1, the centration axis 1.2 being located at main part front end and sets
At the nose threads bar 1.3 of centration axis 1.2, the diameter of threaded rod 1.3 is less than the diameter of centration axis 1.2, centering
The diameter of axle 1.2 is existed by Flange joint less than the diameter of main part 1.1, described driving dish 1 and connection base 2
Together, described connection base 2 is provided with the installing hole 2.1 for installing lathe screw rod, and described centration axis 1.2 is overlapped
Equipped with dense ball set 3, described threaded rod 1.3 is set with pressing plate 4, and described threaded rod 1.3 is provided with for locking pressure plate 4
Nut 5.
Described dense ball set 3 includes that lining 3.1 and steel ball 3.2, described lining 3.1 are provided with multiple steel ball hole 3.3,
Described steel ball 3.2 movable inlaying is in steel ball hole 3.3, and lining 3.1 is provided with the groove impression 3. pinning steel ball 3.2
4, it is used for preventing steel ball 3.2 from coming off.
The diameter tolerance of described steel ball 3.2 and sphericity are within 0.0025, and steel ball 3.2 material uses bearing steel G
Cr15, heat treatment hardness is 62～67HRC.
Described lining 3.1 material uses copper-titanium alloy, hardness 58～60HRC.
Described centration axis 1.2 front end is provided with annular groove 1.4, and described annular groove 1.4 is provided with restriction dense ball set
The circlip for shaft 1.5 that 3 move axially.
The flange of described connection base 2 be provided with central authorities counterbore 2.2, the flange of described driving dish 1 be provided with in
The centre boss 1.6 that matches of counterbore 2.2, described driving dish 1 be provided with two be arranged symmetrically with eject screwed hole 1.
7, from connection base 2, driving dish 1 is disassembled for convenience.
Described dense ball set 3 is sleeved in centration axis 1.2, and dense ball set is joined with the employing interference that coordinates of part 6 endoporus
Closing, the magnitude of interference is 0.01～0.02mm.
As it is shown on figure 3, part 6 is arranged on dense ball set centralizer.
Claims (8)
1. dense ball set centralizer, it is characterised in that: include that clamp body, described clamp body are provided with centration axis,
Described centration axis front end is provided with threaded rod, and described centration axis is set with dense ball set, and described threaded rod is set with pressing plate,
Described threaded rod is provided with the nut for locking pressure plate.
Dense ball set centralizer the most according to claim 1, it is characterised in that: described dense ball set includes
Lining and steel ball, described lining is provided with multiple steel ball hole, in described steel ball movable inlaying to steel ball hole.
Dense ball set centralizer the most according to claim 2, it is characterised in that: the diameter of described steel ball
Tolerance and sphericity within 0.0025mm, steel ball material use beating steel GCr15, heat treatment hardness be 62～
67HRC。
Dense ball set centralizer the most according to claim 2, it is characterised in that: described lining material is adopted
By copper-titanium alloy, hardness 58～60HRC.
Dense ball set centralizer the most according to claim 1, it is characterised in that: described clamp body includes
Driving dish and connection base, described driving dish includes main part, centration axis and threaded rod, described driving dish and company
Connecing base by Flange joint together, described connection base is provided with the installing hole for installing lathe screw rod.
Dense ball set centralizer the most according to claim 1 or 5, it is characterised in that: described centration axis
Front end is provided with annular groove, and described annular groove is provided with and limits the circlip for shaft that dense ball set moves axially.
Dense ball set centralizer the most according to claim 5, it is characterised in that: the method for described driving dish
Orchid is provided with central authorities' counterbore, and the flange of described connection base is provided with the boss matched with central counterbore, described
Driving dish be provided with two be arranged symmetrically with eject screwed hole.
Dense ball set centralizer the most according to claim 1, it is characterised in that: described dense ball set is set with
In centration axis, dense ball set coordinates employing interference fit with inner bore of part, and the magnitude of interference is 0.01～0.02mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620304665.6U CN205551510U (en) | 2016-04-12 | 2016-04-12 | Close pearl cover line -up clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620304665.6U CN205551510U (en) | 2016-04-12 | 2016-04-12 | Close pearl cover line -up clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205551510U true CN205551510U (en) | 2016-09-07 |
Family
ID=56810617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620304665.6U Expired - Fee Related CN205551510U (en) | 2016-04-12 | 2016-04-12 | Close pearl cover line -up clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205551510U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436123A (en) * | 2018-03-27 | 2018-08-24 | 江苏高精机电装备有限公司 | A kind of fixture suitable for thin-walled parts quick-clamping |
| CN109015058A (en) * | 2018-07-13 | 2018-12-18 | 株洲硬质合金集团有限公司 | Assembly and disassembly method and device for micron order intensely processed products |
| CN110132313A (en) * | 2019-06-05 | 2019-08-16 | 南京工程学院 | A kind of high-precision encoder mounting connection structure |
| CN113369945A (en) * | 2021-06-09 | 2021-09-10 | 徐州工业职业技术学院 | Mechanical-electrical integrated hydraulic clamping device |
| 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 |
-
2016
- 2016-04-12 CN CN201620304665.6U patent/CN205551510U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436123A (en) * | 2018-03-27 | 2018-08-24 | 江苏高精机电装备有限公司 | A kind of fixture suitable for thin-walled parts quick-clamping |
| CN109015058A (en) * | 2018-07-13 | 2018-12-18 | 株洲硬质合金集团有限公司 | Assembly and disassembly method and device for micron order intensely processed products |
| CN110132313A (en) * | 2019-06-05 | 2019-08-16 | 南京工程学院 | A kind of high-precision encoder mounting connection structure |
| CN113369945A (en) * | 2021-06-09 | 2021-09-10 | 徐州工业职业技术学院 | Mechanical-electrical integrated hydraulic clamping device |
| 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 |
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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: 20160907 Termination date: 20190412 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |