CN106736776A - A kind of aeroelasticity self-centering casing vehicle clamper - Google Patents
A kind of aeroelasticity self-centering casing vehicle clamper Download PDFInfo
- Publication number
- CN106736776A CN106736776A CN201710170094.0A CN201710170094A CN106736776A CN 106736776 A CN106736776 A CN 106736776A CN 201710170094 A CN201710170094 A CN 201710170094A CN 106736776 A CN106736776 A CN 106736776A
- Authority
- CN
- China
- Prior art keywords
- chuck
- wall
- clamp
- aeroelasticity
- self
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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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
Abstract
The invention discloses a kind of aeroelasticity self-centering casing vehicle clamper, including clamp body, it has clamp body body and sleeve, and sleeve has chuck cavity, and the internal diameter size that chuck cavity has the internal chamber wall of taper, internal chamber wall increases successively from left to right；Clamp body body has the fixation wall for being capable of fixes sleeve；Chuck, is at least partly placed in the sleeve；It has the outer cone wall that outside dimension increases successively from left to right, and holding chamber, and holding chamber, outer cone wall and chuck cavity are coaxial；Chuck also has the gap extended to axial direction from the right openings end of holding chamber, and gap includes circumferentially be all provided with along outer cone wall at least two；When pulling force to the left is imposed to chuck, the width in gap diminishes, and holding chamber is pointed to its internal workpiece clamp clamp force increase, and when pulling force to the right is imposed to chuck, the width in gap becomes big, and holding chamber is pointed to its internal workpiece clamp clamp force and reduces.The fixture good clamping effect, can slow down or even avoid workpiece because bearing the drawbacks of easily permanent deformation even ftractures after chucking power.
Description
Technical field
The present invention relates to field of fixtures, and in particular to a kind of aeroelasticity self-centering casing vehicle clamper.
Background technology
For being similar to small-sized axial flow fan（Fig. 1）The die castings such as casing, its dimensional accuracy is not high and draw taper can not
Avoid, thus its bearing chamber or seam must meet that its high accuracy with bearing or stator core coordinates by finishing processing will
Ask.In general, die casting uses cast aluminium alloy gold（Or kirsite, magnesium alloy）Deng fragile material, retaining part intensity is met too
Difference or chucking power are too big, may result in casing deformation and even ftracture.So, exploitation has the express dispatch type casing for meaning
Vehicle clamper will be helpful to improve production efficiency and product percent of pass, and to the processing to similar thin-walled parts product, with one
Fixed expansion application value.
The content of the invention
The technical problem to be solved in the present invention is the defect for overcoming prior art, there is provided one kind is directed to casing class workpiece, or
Fixture used by the processing of similar thin-wall product, the fixture good clamping effect can slow down or even avoid workpiece because bearing clamping
The drawbacks of easily permanent deformation even ftractures after power.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of aeroelasticity self-centering casing vehicle clamper, including：
Clamp body, it has clamp body body and sleeve, and the sleeve has chuck cavity, and the chuck cavity has the inner chamber of taper
Wall, the internal diameter size of the internal chamber wall increases successively from left to right；The clamp body body has can fix the sleeve
Fixation wall；
Chuck, is at least partly placed in the sleeve；It has the outer cone wall that outside dimension increases successively from left to right, and folder
Chamber is held, the holding chamber, outer cone wall and the chuck cavity are coaxial；The chuck also has from the right openings end of holding chamber to axle
To the gap that direction extends, the gap includes circumferentially be all provided with along the outer cone wall at least two；The chuck is imposed to
During the pulling force on a left side, the width in the gap diminishes, and holding chamber is pointed to its internal workpiece clamp clamp force increase, and the chuck is applied
During with pulling force to the right, the width in the gap becomes big, and holding chamber is pointed to its internal workpiece clamp clamp force and reduces.
Preferably, the clamp body also has limiting section, and the limiting section limits the maximum row that the chuck is slided to the left
Journey.
Preferably, the limiting section includes the first limited wall extended downwardly from internal chamber wall end, and from the left of outer cone wall
The second limited wall that end extends downwardly, when the chuck slides into ultimate range to the left, first limited wall and described
Two limited walls are in contact.
Preferably, the internal chamber wall, outer cone wall are truncated cone, frustum of a pyramid shape, or the frustum of a cone and the frustum of a pyramid splicing
Body.Pyramid bench-type includes but is not limited to rotationally symmetrical Rhizoma Sparganii frustum, tetragonous cone table, pentagonal pyramid platform etc..Above-mentioned spliceosome refers to edge
The splicing of axial direction.
Preferably, the gradient of the internal chamber wall and the outer cone wall is 10 ゜.
Preferably, the clamp body body, sleeve and the chuck are single element.
Preferably, the gap includes four be circumferentially all provided with along the outer cone wall.
Preferably, the fixture is connected with pneumatic means, and the pneumatic means drives the chuck to horizontally slip.
The beneficial effect that the present invention is reached：
When being processed to workpiece using fixture of the invention, including procedure below：The positioning of 1 workpiece and clamping：Workpiece loads
Accommodate in chamber, opened due to chuck outer rim and be all provided with least two gaps, when power set pull chuck to the left, its outer cone wall is along folder
While the internal chamber wall of head cavity is slided, gap width diminishes, chuck cavity opening（Right openings end）Radially tighten up and embrace workpiece
Tightly；2 processing：Workpiece to above-mentioned clamping is processed；3 demoulding pickups, after machining, power set drive chuck to move to right,
With the elastic recovery of chuck（Gap width becomes big, and chuck cavity opening is radially loosened）, workpiece is taken out, the time processing cycle just accuses
Complete.
This fixture obtains just right clamping force using adjustable aerodynamic force, can also avoid scroll chuck from clamping because of spiral shell
Rotation clamping force is difficult to control and causes workpiece to be permanently deformed；Chuck has both positioning and clamping function simultaneously, for such as Fig. 1 institutes
The thin-walled parts for being difficult to clamp for showing, axial tightening power is developed into radial clamping force by this fixture, almost along whole（Circle）The conical surface
Clamp the outer rim of casing.Good clamping effect, easily permanent deformation even ftractures after slowing down or even avoiding workpiece because bearing chucking power
The drawbacks of.
Brief description of the drawings
Fig. 1 is the top view of clamped workpiece in embodiment；
Fig. 2 is the fixture overall structure diagram for being connected to power set；
Fig. 3 is the top view of chuck in Fig. 1；
Fig. 4 be along Fig. 3 A-A to sectional view；
Fig. 5 is the side sectional view of Fig. 1 middle sleeves；Wherein：
1. clamp body body, 11. fixation walls, 2. sleeve, 21. first limited walls, 22. second limited walls, 23. internal chamber walls
A, 24. chuck cavities, 25. internal chamber wall b, 3. chuck, 31. holding chambers, 311. first clamping cavity walls, 312. second holding chambers
Wall, 313. the 3rd clamping cavity walls, 32. gaps, 33. outer cone walls, 4. small-sized axial flow fan shell, 51. pistons, 52. cylinders
Body, 53. air flues, 54. cylinder head, 55. headstocks, 56. lathe ring flanges, 57. lock-screws, 6. pull bar, 61. lockings
Nut.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
Heretofore described left and right grade represents the term of directionality merely to describing convenient, these terms are only used
It is not as a limitation of the invention in signal.
The fixture of the present embodiment is used for small-sized axial flow fan shell as shown in Figure 1, is die casting, and the wall thickness of the casing is
1.5mm.The structure of fixture is：
Including：
Clamp body, it has clamp body body and sleeve, and sleeve has chuck cavity, and chuck cavity has the internal chamber wall of taper（In order to
Description is convenient, is designated as internal chamber wall a）, the internal diameter size of internal chamber wall a increases successively from left to right, and in the present embodiment, chuck cavity is also
With the first limited wall extended downwardly from internal chamber wall tail end, and the internal chamber wall b extended to the left from the first limited wall end；Fixture
Body body has the fixation wall for being capable of fixes sleeve；Sleeve is affixed by screw with fixation wall.Clamp body body and sleeve can be with
It is set to single two elements.
Chuck, it has the outer cone wall and holding chamber that outside dimension increases successively from left to right, and chuck can also be set to list
Only element, uses when using with clamp body body and sleeve assembling, and can also need to be equipped with according to practical work piece has difference
The chuck of type chuck cavity.Holding chamber has the first rotationally symmetrical clamping cavity wall extended to the left from right side, from the first folder
Hold the second clamping cavity wall that cavity wall left distal end is extended downwardly, and the 3rd folder for continuing to extend to the right from the second clamping cavity wall end
Hold cavity wall, the first clamping cavity wall is contacted with the second clamping cavity wall with fan casing, and second clamps cavity wall to fan casing to the left
Spacing left and right is played in the movement of side, the avoidance hole of cutter when the 3rd clamping cavity wall forms processing.
Chuck uses spring steel 65Mn, is first quenched to 50-55HRC and refines endoporus and male cone (strobilus masculinus) again, both to possess enough
Intensity can obtain excellent reply rigidity again.
Holding chamber, outer cone wall and chuck cavity are coaxial；Chuck also have prolong to axial direction from the right openings end of holding chamber
The gap stretched, the gap includes four be circumferentially all provided with along the outer cone wall, and specific number can be adjusted arbitrarily according to actual needs
It is whole.In the present embodiment, the internal chamber wall of chuck cavity and the outer cone wall of chuck are rotationally symmetrical cone type, and chuck outer cone
Wall coordinates with the internal chamber wall gap of chuck cavity, and the best inclination a of internal chamber wall and the outer cone wall is 10 ゜.Chuck is imposed to
During left pulling force, the width in gap diminishes, and holding chamber is pointed to its internal workpiece clamp clamp force increase, the chuck is imposed to
During the pulling force on the right side, the width in gap becomes big, and holding chamber is pointed to its internal workpiece clamp clamp force and reduces.
Clamp body also has limiting section, and the limiting section can limit the range that the chuck is slided to the left.Specifically,
Limiting section includes the first limited wall extended downwardly from internal chamber wall end（Now, the first limited wall is the composition portion of chuck cavity
Point,）, and the second limited wall extended downwardly from outer cone wall left distal end, when chuck slides into ultimate range to the left, described first
Limited wall and second limited wall are in contact.
This fixture is connected with pneumatic means when in use, and pneumatic means includes piston, cylinder block, air flue, cylinder head and the head of a bed
Case, piston is connected with pull bar by locking nut, and pull bar end is connected with chuck, intrinsic lathe method between clamp body body and headstock
Blue disk, lathe ring flange is fixed with clamp body body by lock-screw, and cylinder block can drive chuck along chuck by pull bar
The internal chamber wall in chamber horizontally slips.The big I of the clamp power of the present embodiment must adjust to obtain by air pressure, and institute's turning is determined
The coaxiality error of the seam of subshell two and iron core endoporus is within 0.02mm.The process being processed to workpiece includes not limiting
In：Boring, brill, hinge.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of the technology of the present invention principle is not departed from, some improvement and deformation can also be made, these improve and deform
Also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of aeroelasticity self-centering casing vehicle clamper, it is characterised in that including：
Clamp body, it has clamp body body and sleeve, and the sleeve has chuck cavity, and the chuck cavity has the inner chamber of taper
Wall, the internal diameter size of the internal chamber wall increases successively from left to right；The clamp body body has can fix the sleeve
Fixation wall；
Chuck, is at least partly placed in the sleeve；It has the outer cone wall that outside dimension increases successively from left to right, and folder
Chamber is held, the holding chamber, outer cone wall and the chuck cavity are coaxial；The chuck also has from the right openings end of holding chamber to axle
To the gap that direction extends, the gap includes circumferentially be all provided with along the outer cone wall at least two；The chuck is imposed to
During the pulling force on a left side, the width in the gap diminishes, and holding chamber is pointed to its internal workpiece clamp clamp force increase, and the chuck is applied
During with pulling force to the right, the width in the gap becomes big, and holding chamber is pointed to its internal workpiece clamp clamp force and reduces.
2. a kind of aeroelasticity self-centering casing vehicle clamper according to claim 1, it is characterised in that the clamp body is also
With limiting section, the limiting section limits the range that the chuck is slided to the left.
3. a kind of aeroelasticity self-centering casing vehicle clamper according to claim 2, it is characterised in that the limiting section bag
The first limited wall extended downwardly from internal chamber wall end is included, and the second limited wall extended downwardly from outer cone wall left distal end, institute
When stating chuck and sliding into ultimate range to the left, first limited wall and second limited wall are in contact.
4. a kind of aeroelasticity self-centering casing vehicle clamper according to claim any one of 1-3, it is characterised in that described
Internal chamber wall, outer cone wall are truncated cone, frustum of a pyramid shape, or the frustum of a cone and the frustum of a pyramid spliceosome.
5. a kind of aeroelasticity self-centering casing vehicle clamper according to claim 4, it is characterised in that the internal chamber wall and
The gradient of the outer cone wall is 10 ゜.
6. a kind of aeroelasticity self-centering casing vehicle clamper according to claim 1, it is characterised in that the clamp body sheet
Body, sleeve and the chuck are single element.
7. a kind of aeroelasticity self-centering casing vehicle clamper according to claim 1, it is characterised in that the gap includes
Four be circumferentially all provided with along the outer cone wall.
8. a kind of aeroelasticity self-centering casing vehicle clamper according to claim 1, it is characterised in that the fixture is connected with
Pneumatic means, the pneumatic means drives the chuck to horizontally slip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710170094.0A CN106736776A (en) | 2017-03-21 | 2017-03-21 | A kind of aeroelasticity self-centering casing vehicle clamper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710170094.0A CN106736776A (en) | 2017-03-21 | 2017-03-21 | A kind of aeroelasticity self-centering casing vehicle clamper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106736776A true CN106736776A (en) | 2017-05-31 |
Family
ID=58967176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710170094.0A Pending CN106736776A (en) | 2017-03-21 | 2017-03-21 | A kind of aeroelasticity self-centering casing vehicle clamper |
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| Country | Link |
|---|---|
| CN (1) | CN106736776A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203459698U (en) * | 2012-12-09 | 2014-03-05 | 刘利东 | High-accuracy centering chuck |
| CN103949900A (en) * | 2014-04-11 | 2014-07-30 | 十堰方石汽车零部件有限公司 | Flexible chuck mechanism for turning lathe |
| CN204818789U (en) * | 2015-08-07 | 2015-12-02 | 贵州航瑞科技有限公司 | Cartridge clip formula frock |
| CN205201144U (en) * | 2015-12-29 | 2016-05-04 | 徐斌 | Collet axial positioning device |
| CN205324774U (en) * | 2015-12-29 | 2016-06-22 | 茂名市第二高级技工学校 | Thin wall part internal expanding formula anchor clamps |
| CN206588666U (en) * | 2017-03-21 | 2017-10-27 | 苏州工业职业技术学院 | A kind of aeroelasticity self-centering casing vehicle clamper |
-
2017
- 2017-03-21 CN CN201710170094.0A patent/CN106736776A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203459698U (en) * | 2012-12-09 | 2014-03-05 | 刘利东 | High-accuracy centering chuck |
| CN103949900A (en) * | 2014-04-11 | 2014-07-30 | 十堰方石汽车零部件有限公司 | Flexible chuck mechanism for turning lathe |
| CN204818789U (en) * | 2015-08-07 | 2015-12-02 | 贵州航瑞科技有限公司 | Cartridge clip formula frock |
| CN205201144U (en) * | 2015-12-29 | 2016-05-04 | 徐斌 | Collet axial positioning device |
| CN205324774U (en) * | 2015-12-29 | 2016-06-22 | 茂名市第二高级技工学校 | Thin wall part internal expanding formula anchor clamps |
| CN206588666U (en) * | 2017-03-21 | 2017-10-27 | 苏州工业职业技术学院 | A kind of aeroelasticity self-centering casing vehicle clamper |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20170531 |