CN106180776B - A kind of thin-wall flange precision turning clamp - Google Patents
A kind of thin-wall flange precision turning clamp Download PDFInfo
- Publication number
- CN106180776B CN106180776B CN201610639175.6A CN201610639175A CN106180776B CN 106180776 B CN106180776 B CN 106180776B CN 201610639175 A CN201610639175 A CN 201610639175A CN 106180776 B CN106180776 B CN 106180776B
- Authority
- CN
- China
- Prior art keywords
- thin
- wall flange
- shaft part
- fixture block
- hole
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/103—Retention by pivotal elements, e.g. catches, pawls
Abstract
The present invention provides a kind of thin-wall flange precision turning clamps, including：Chuck is installed on lathe；Several pieces of clamp bodies, the axis direction circular array along chuck is arranged, and is fixed on chuck by threaded fastener；Wherein, clamp body includes：Fixture block, one end are fixed on by threaded fastener on chuck, and the other end is circular arc camber；Two block pressur plates are located at the both sides of fixture block, and are fixed on fixture block by threaded fastener.Thin-wall flange precision turning clamp provided by the invention, pass through the circumferentially positioned thin-wall flange of the fixture block being installed on chuck, and it is installed on the pressing plate radial positioning thin-wall flange on fixture block, and between fixture block and thin-wall flange and between pressing plate and thin-wall flange it is that face contacts, so that the positioning of thin-wall flange is more accurate, turning accuracy higher.
Description
Technical field
The invention belongs to field of mechanical technique, are related to a kind of fixture, especially a kind of thin-wall flange precision turning clamp.
Background technology
For conventional thin-wall flange since its own wall is than relatively thin, rigidity is insufficient, is easily deformed, using conventional fixture, by
Causing part deformation to generate error in clamping force unevenness makes its machining accuracy not reach requirement, and qualification rate is low；Especially in precision
The outer circle Vehicle Processing of more demanding thin-wall flange, conventional fixture are difficult to control deformation, it is also difficult to ensure machining accuracy.
Chinese utility model patent (204321649 U of CN) discloses a kind of lathe multiple spot Auxiliary support clamping device, stake
Head base bottom is equipped with T-shape sliding block, and the both sides of pile crown matrix are equipped with auxiliary support arm, on pile crown matrix and auxiliary support arm
Equipped with multiple support devices.The support device is bolt support or hydraulic auxiliary support.
But above-mentioned offer clamping device clamping workpieces processing by the way of multipoint positioning, but clamping device and processing
It is point contact between workpiece, to reduce the positioning accuracy of workpieces processing so that the turning accuracy of workpieces processing is inadequate.
In conclusion for the deficiency for solving on existing clamp structure, need to design that a kind of positioning accuracy is high, turning effect is good
Thin-wall flange precision turning clamp.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of positioning accuracy is high, turning is imitated
The good thin-wall flange precision turning clamp of fruit.
Object of the invention can be realized by the following technical scheme：A kind of thin-wall flange precision turning clamp, including：
Chuck is installed on lathe；
Several pieces of clamp bodies, the axis direction circular array along the chuck is arranged, and is fixed by threaded fastener
In on the chuck；
Wherein, the clamp body includes：
Fixture block, one end are fixed on by threaded fastener on the chuck, and the other end is circular arc camber；
Two block pressur plates are located at the both sides of the fixture block, and are fixed on the fixture block by threaded fastener.
In a kind of above-mentioned thin-wall flange precision turning clamp, loop configuration that several pieces of clamp bodies are surrounded
Center and the center of the chuck coincide.
In a kind of above-mentioned thin-wall flange precision turning clamp, the fixture block is stepped, along the fixture block side
Length direction be provided with a convex block, and twice groove is symmetrically arranged on the convex block, the other side of the fixture block is ladder
Face.
In a kind of above-mentioned thin-wall flange precision turning clamp, the fixture block includes：
First shaft part, and it is provided with first through hole on first shaft part；
Second shaft part is integrally formed in sector, and with first shaft part；
Wherein, the both sides of second shaft part are each provided with threaded hole；Between two threaded holes, and not with two institutes
It states and is provided with the second through-hole on the second shaft part that the connecting line of threaded hole coincides.
In a kind of above-mentioned thin-wall flange precision turning clamp, second through-hole far from first shaft part, and
It aligns with the first through hole, wherein the company of the line and the first through hole and second through-hole of two threaded holes
Line is mutually perpendicular to.
In a kind of above-mentioned thin-wall flange precision turning clamp, it is arranged along the outer arc face of second shaft part
It is jagged, and through the both sides of second shaft part.
In a kind of above-mentioned thin-wall flange precision turning clamp, first shaft part is connected to second shaft part
Middle part, and rounded corner between first shaft part and second shaft part.
In a kind of above-mentioned thin-wall flange precision turning clamp, the pressing plate is in strip, and the one of the pressing plate
End is plane, and chamfering is distinguished in the both sides of the other end；Third through-hole, and the position of the third through-hole are provided in the middle part of the pressing plate
It sets corresponding with the position of the threaded hole.
In a kind of above-mentioned thin-wall flange precision turning clamp, the first through hole, second through-hole and institute
It is counterbore to state third through-hole.
Compared with prior art, thin-wall flange precision turning clamp provided by the invention, by being installed on chuck
The circumferentially positioned thin-wall flange of fixture block, and the pressing plate radial positioning thin-wall flange that is installed on fixture block, and fixture block and thin-wall flange
Between and pressing plate and thin-wall flange between be that face contacts so that the positioning of thin-wall flange is more accurate, and turning accuracy is more
It is high.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the embodiment of thin-wall flange precision turning clamp of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structural schematic diagram of fixture block 210 in a kind of embodiment of thin-wall flange precision turning clamp of the present invention.
Fig. 4 is the left view of Fig. 3.
In figure, 100, chuck；200, clamp body；210, fixture block；211, convex block；212, groove；213, the first shaft part；214、
First through hole；215, the second shaft part；216, threaded hole；217, the second through-hole；218, notch；220, pressing plate；221, third through-hole；
300, thin-wall flange.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As depicted in figs. 1 and 2, a kind of thin-wall flange precision turning clamp provided by the invention, including：One chuck 100,
It is installed on lathe；Several pieces of clamp bodies 200, the axis direction circular array along chuck 100 is arranged, and passes through screw threads for fastening
Part is fixed on chuck 100；Wherein, clamp body 200 includes：One fixture block 210, chuck is fixed in one end by threaded fastener
On 100, the other end is circular arc camber；Two block pressur plates 220 are located at the both sides of fixture block 210, and are fixed by threaded fastener
In on fixture block 210.Preferably, the quantity of clamp body 200 is 3 pieces.Three-point fix of the thin-wall flange 300 in clamping is constituted, is made
Obtain the positioning of thin-wall flange 300 more precisely, reliably.
When thin-wall flange 300 is installed, thin-wall flange 300 is inserted on clamp body 200 first, and be pushed into clamp body 200
Bottom；Then clamp body 200 is tightened by chuck 100, thin-wall flange is pushed down finally by the pressing plate 220 on clamp body 200
300 port edge completes the clamping of thin-wall flange 300.
Preferably, as depicted in figs. 1 and 2, the center for the loop configuration that several pieces of clamp bodies 200 are surrounded and chuck 100
Center coincide.When on 300 clamping to fixture of thin-wall flange, center and annular mechanism center and 100 center of chuck
It coincides, realizes the convenient for mounting and clamping of thin-wall flange 300, while meeting the required precision of thin-wall flange 300.
Preferably, as shown in Figure 3 and Figure 4, fixture block 210 is stepped, and the length direction along 210 side of fixture block is provided with one
Convex block 211, and twice groove 212 is symmetrically arranged on convex block 211, locating slot when being connect with chuck 100 as fixture block 210,
The other side of fixture block 210 is cascaded surface, to position and install thin-wall flange 300.
Preferably, as shown in Figure 3 and Figure 4, fixture block 210 includes the first shaft part 213, and is provided with one on the first shaft part 213
First through hole 214, the connecting hole being connected with chuck 100 as the first shaft part 213；Second shaft part 215 is in sector, and and first axle
Section 213 is integrally formed, wherein the both sides of the second shaft part 215 are each provided with a threaded hole 216, as fixture block 210 and pressing plate 220
Connecting hole；Between two threaded holes 216, and set on the second shaft part 215 not coincided with the connecting line of two threaded holes 216
It is equipped with one second through-hole 217, the connecting hole being connected with chuck 100 as the second shaft part 215.
Preferably, as shown in Figure 3 and Figure 4, the second through-hole 217 is far from the first shaft part 213, and opposite with first through hole 214
Together, wherein the line of two threaded holes 216 and the line of first through hole 214 and the second through-hole 217 are mutually perpendicular to.
It is respectively that the both ends of fixture block 210 are symmetrical by the first through hole 214 and the second through-hole 217 on same straight line
Be fixed on chuck 100, prevent fixture block 210 installation occur deviation；Threaded hole 216 is set to the second shaft part 215 simultaneously
Both sides so that the distance between arbitrary two threaded hole 216 on several pieces of fixture blocks 210 is close, to make thin-wall flange 300 exist
When clamping, the end face of thin-wall flange 300 is close by the pressure of each block pressur plate 220, and then thin-wall flange 300 is smart in turning
Spend higher.
Preferably, as shown in Figure 3 and Figure 4, it is provided with a notch 218 along the outer arc face of the second shaft part 215, and passes through
The both sides for wearing the second shaft part 215, as thin-wall flange 300 in turning stress release notch, prevent thin-wall flange 300 in turning
There is a phenomenon where stress concentrations afterwards, and embrittlement occurs so as to cause thin-wall flange 300.
Preferably, as shown in Figure 3 and Figure 4, first through hole 214 and the second through-hole 217 are counterbore so that fixture block 210 with
It is 210 surfacing of fixture block, smooth after 100 used threaded fastener of chuck is connected.
Preferably, as shown in Figure 3 and Figure 4, the first shaft part 213 is connected to the middle part of the second shaft part 215, and the first shaft part
213 and second rounded corner between shaft part 215, the machining stress between the first shaft part 213 and the second shaft part 215 is reduced, is prevented
It is ruptured between first shaft part 213 and the second shaft part 215.
Preferably, as shown in Figure 3 and Figure 4, the inner arc face of the second shaft part 215 is equipped with chamfering, prevents fixture block 210 from installing
When on chuck 100, the hand of operation employee is scratched, while the corner for second shaft part 215 that prevents from damaging, influences thin-wall flange 300
Positioning.
Preferably, as depicted in figs. 1 and 2, pressing plate 220 is in strip, and one end of pressing plate 220 is plane, the other end
Chamfering is distinguished in both sides, and the pressing plate 220 with chamfering one end stretches out the second shaft part 215 behind the end face of positioning thin-wall flange 300
Outer arc face prevent thin-wall flange 300 from being circumferentially rotated on fixture block 210 to compress thin-wall flange 300；Pressing plate 220
Middle part is provided with a third through-hole 221, and the position of third through-hole 221 is corresponding with the position of threaded hole 216, as pressing plate
220 connecting holes being connected with fixture block 210, it is preferable that third through-hole 221 is counterbore.
A kind of operation principle of thin-wall flange precision turning clamp provided by the invention：It collapses and is pressed from both sides on chuck 100 first
Block 210 so that the outside diameter that the outer arc face of several the second shaft parts 215 is spliced, which is less than, is turned on thin-wall flange
300 diameter of bore, wherein pressing plate 220 pre-tightens on fixture block 210；Secondly thin-wall flange 300 is inserted in the second shaft part 215, and
One end of thin-wall flange 300 abuts the first shaft part 213；Then the fixture block 210 on chuck 100 is spread so that the second shaft part 215
It is close to the inner hole wall of thin-wall flange 300 in outer arc face；Then pressing plate 220 is rotated so that push down thin-walled method in the side of pressing plate 220
The other end face of orchid 300, and the connection between pressing plate 220 and fixture block 210 is tightened, the clamping of thin-wall flange 300 is completed, finally
After the completion of 300 turning of thin-wall flange, the threaded fastener on pressing plate 220 is unclamped, rotates pressing plate 220, then receive by chuck 100
Hold together fixture block 210 so that inner hole wall of the outer arc face far from thin-wall flange 300 of the second shaft part 215, and then remove thin-wall flange
300。
Thin-wall flange precision turning clamp provided by the invention, it is circumferential fixed by the fixture block 210 being installed on chuck 100
Position thin-wall flange 300, and the 220 radial positioning thin-wall flange 300 of pressing plate that is installed on fixture block 210, and fixture block 210 and thin-walled
It is that face contacts between flange 300 and between pressing plate 220 and thin-wall flange 300 so that the positioning of thin-wall flange 300 is more
Precisely, turning accuracy higher.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (7)
1. a kind of thin-wall flange precision turning clamp, which is characterized in that including：
Chuck is installed on lathe；
Several pieces of clamp bodies, the axis direction circular array along the chuck is arranged, and is fixed on institute by threaded fastener
It states on chuck；
Wherein, the clamp body includes：
Fixture block, one end are fixed on by threaded fastener on the chuck, and the other end is circular arc camber；
Two block pressur plates are located at the both sides of the fixture block, and are fixed on the fixture block by threaded fastener；
The fixture block includes：
First shaft part, and it is provided with first through hole on first shaft part；
Second shaft part is integrally formed in sector, and with first shaft part；
Wherein, the both sides of second shaft part are each provided with threaded hole；Between two threaded holes, and not with two spiral shells
It is provided with the second through-hole on the second shaft part that the connecting line of pit coincides；
Both sides that are jagged, and running through second shaft part are set along the outer arc face of second shaft part；
Chuck upper fixture block is collapsed first so that the outside diameter that the outer arc face of several the second shaft parts is spliced is less than quilt
The diameter of bore of turning thin-wall flange, wherein pressing plate pre-tightens on fixture block；Secondly thin-wall flange is inserted in the second shaft part, and thin
One end of wall approach orchid abuts the first shaft part；Then the fixture block on chuck is spread so that be close to thin in the outer arc face of the second shaft part
The inner hole wall of wall approach orchid；Then pressing plate is rotated so that the other end face of thin-wall flange is pushed down in the side of pressing plate, and tightens pressing plate
The clamping of thin-wall flange is completed in connection between fixture block.
2. a kind of thin-wall flange precision turning clamp according to claim 1, which is characterized in that several pieces of fixtures
The center for the loop configuration that body is surrounded and the center of the chuck coincide.
3. a kind of thin-wall flange precision turning clamp according to claim 1 or 2, which is characterized in that the fixture block is in
Ladder-like, the length direction along the fixture block side is provided with convex block, and twice groove is symmetrically arranged on the convex block, described
The other side of fixture block is cascaded surface.
4. a kind of thin-wall flange precision turning clamp according to claim 1, which is characterized in that second through-hole is remote
Align from first shaft part, and with the first through hole, wherein the lines of two threaded holes and the first through hole and
The line of second through-hole is mutually perpendicular to.
5. a kind of thin-wall flange precision turning clamp according to claim 1, which is characterized in that first shaft part connects
It is connected to the middle part of second shaft part, and rounded corner between first shaft part and second shaft part.
6. a kind of thin-wall flange precision turning clamp according to claim 1, which is characterized in that the pressing plate is in strip
Shape, and one end of the pressing plate is plane, chamfering is distinguished in the both sides of the other end；It is provided with third through-hole in the middle part of the pressing plate,
And the position of the third through-hole is corresponding with the position of the threaded hole.
7. a kind of thin-wall flange precision turning clamp according to claim 6, which is characterized in that the first through hole,
Second through-hole and the third through-hole are counterbore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610639175.6A CN106180776B (en) | 2016-08-04 | 2016-08-04 | A kind of thin-wall flange precision turning clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610639175.6A CN106180776B (en) | 2016-08-04 | 2016-08-04 | A kind of thin-wall flange precision turning clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106180776A CN106180776A (en) | 2016-12-07 |
| CN106180776B true CN106180776B (en) | 2018-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610639175.6A Active CN106180776B (en) | 2016-08-04 | 2016-08-04 | A kind of thin-wall flange precision turning clamp |
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| Country | Link |
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| CN (1) | CN106180776B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723410A (en) * | 2018-06-28 | 2018-11-02 | 浙江万里扬股份有限公司 | Fixture |
| CN108705331A (en) * | 2018-07-25 | 2018-10-26 | 芜湖通力电机有限责任公司 | A kind of positioning tool and its application method for processing eccentric flange lid |
| CN110421372B (en) * | 2019-08-30 | 2021-06-15 | 中国航发动力股份有限公司 | Round positioning clamp and using method thereof |
| CN111015112A (en) * | 2019-12-23 | 2020-04-17 | 贵州凯星液力传动机械有限公司 | Machining method for thin-wall circular ring part |
| CN113059073B (en) * | 2021-03-29 | 2022-03-11 | 浙江大学 | Inner centering mechanism for bending and forming flange large-diameter pipe fitting |
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| DE102006020274A1 (en) * | 2006-04-27 | 2007-11-08 | Hirschmann Gmbh | Adjustable clamping element |
| CN101890516A (en) * | 2009-08-18 | 2010-11-24 | 吴江市双精轴承有限公司 | Vehicle outer diameter chamfering clamp |
| CN201677049U (en) * | 2010-03-31 | 2010-12-22 | 冠亿精密工业(昆山)有限公司 | Clamp |
| CN102151864A (en) * | 2011-01-29 | 2011-08-17 | 中山中炬精工机械有限公司 | Chuck jaw |
| KR20130017636A (en) * | 2011-08-11 | 2013-02-20 | 신용국 | Compensating for a duke machine |
| CN202921945U (en) * | 2012-10-18 | 2013-05-08 | 无锡银联机械有限公司 | Sector clamping claw device for processing thin-walled workpiece |
| CN103084602A (en) * | 2011-10-29 | 2013-05-08 | 洛阳市洛凌轴承科技股份有限公司 | Bearing ring lathe clamp |
| CN203197295U (en) * | 2013-04-15 | 2013-09-18 | 湖州云水桥精工机械有限公司 | Floating clamping claw |
| CN204686066U (en) * | 2015-04-02 | 2015-10-07 | 贺尔碧格阀业（常州）有限公司 | A kind of thin-wall circular ring end face processing positioning fixture |
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2016
- 2016-08-04 CN CN201610639175.6A patent/CN106180776B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006020274A1 (en) * | 2006-04-27 | 2007-11-08 | Hirschmann Gmbh | Adjustable clamping element |
| CN101890516A (en) * | 2009-08-18 | 2010-11-24 | 吴江市双精轴承有限公司 | Vehicle outer diameter chamfering clamp |
| CN201677049U (en) * | 2010-03-31 | 2010-12-22 | 冠亿精密工业(昆山)有限公司 | Clamp |
| CN102151864A (en) * | 2011-01-29 | 2011-08-17 | 中山中炬精工机械有限公司 | Chuck jaw |
| KR20130017636A (en) * | 2011-08-11 | 2013-02-20 | 신용국 | Compensating for a duke machine |
| CN103084602A (en) * | 2011-10-29 | 2013-05-08 | 洛阳市洛凌轴承科技股份有限公司 | Bearing ring lathe clamp |
| CN202921945U (en) * | 2012-10-18 | 2013-05-08 | 无锡银联机械有限公司 | Sector clamping claw device for processing thin-walled workpiece |
| CN203197295U (en) * | 2013-04-15 | 2013-09-18 | 湖州云水桥精工机械有限公司 | Floating clamping claw |
| CN204686066U (en) * | 2015-04-02 | 2015-10-07 | 贺尔碧格阀业（常州）有限公司 | A kind of thin-wall circular ring end face processing positioning fixture |
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| Publication number | Publication date |
|---|---|
| CN106180776A (en) | 2016-12-07 |
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Effective date of registration: 20210907 Address after: 315000 No. 366, Jinshang Road, Binhai Industrial Park, Dongchen Township, Xiangshan County, Ningbo City, Zhejiang Province Patentee after: Zhejiang Jinben Auto Parts Co.,Ltd. Address before: 315131 Fruit Art Fair, Hengxi Town, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: NINGBO YINZHOU JINBEN MACHINERY Co.,Ltd. |