CN103737404A - Clamp used for processing thin-wall sleeve component - Google Patents
Clamp used for processing thin-wall sleeve component Download PDFInfo
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- CN103737404A CN103737404A CN201310684029.1A CN201310684029A CN103737404A CN 103737404 A CN103737404 A CN 103737404A CN 201310684029 A CN201310684029 A CN 201310684029A CN 103737404 A CN103737404 A CN 103737404A
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- ball
- fixture
- sleeve
- cylinder body
- body parts
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- 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 clamp used for processing a thin-wall sleeve component. The clamp comprises a main body portion (10). An installation portion (11) used for installing the clamp on a processing machine and a work-piece arrangement portion used for clamping the thin-wall sleeve component (60) are formed in the main body portion (10). The clamp is characterized in that the work-piece arrangement portion comprises a cone-shaped portion (14) which becomes smaller from the installation portion (11), and balls (20). The balls (20) can abut against the thin-wall sleeve component (60) and move along the axial direction of the cone-shaped portion (14) so as to protrude outwards and exert centring effect on the thin-wall sleeve component (60), and therefore the clamping force exerted on the thin-wall sleeve component (60) can be adjusted accurately, and the thin-wall sleeve component does not deform.
Description
Technical field
The present invention relates to fixture, particularly, relate to a kind of fixture for processing thin-walled sleeve part.
Background technology
In field of machining, because being difficult to reliably locate, thin wall sleeve part easily affects the crudy of parts.
Particularly in the prior art, utilize conventional three-jaw chuck to position thin wall sleeve part more, even processed parts are meeted the requirements at clamping state, thereby also likely there is deformation after dismounting chuck, easily make parts form the parts corresponding with the shape of described three-jaw chuck, thereby cannot guarantee the requirement of thin walled cylinder body parts to circularity.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of fixture for processing thin-walled sleeve part, and this fixture can not make thin walled cylinder body parts because the clamping force of fixture deforms.
In order to solve the problems of the technologies described above, the invention provides a kind of fixture for processing thin-walled sleeve part, this fixture comprises main part, described main part is formed with for this fixture being installed on to installation portion on processing equipment and for clamping the workpiece setting portion of described thin walled cylinder body parts, described workpiece setting portion comprises the truncated cone-shaped portion and the ball that from described installation portion, diminish, thereby described ball can be connected on described thin walled cylinder body parts and outwardly so that described thin walled cylinder body parts are formed to certralizing ability along moving axially of described truncated cone-shaped portion.
Preferably, described ball has three at least, is uniformly distributed in the week of described truncated cone-shaped portion upwards.
Preferably, on the outer peripheral face of described truncated cone-shaped portion, offer groove, the bottom surface contact of described ball and corresponding described groove, the degree of depth of described groove is along deepening away from the direction of described installation portion.
Preferably, described flute profile becomes spiral groove.
Preferably, this fixture also comprises that cover installs to the sleeve of described truncated cone-shaped portion, circumferential perforation along this sleeve on the sidewall of described sleeve offers ball accommodation hole, described ball accommodation hole maintains respectively a described ball, and described ball contacts with described truncated cone-shaped portion, so that described ball can be outwardly so that described thin walled cylinder body parts are formed to certralizing ability from described ball accommodation hole when the extruding being subject to described installation portion.
Preferably, described ball accommodation hole is formed as diameter and becomes from outside to inside large bellmouth, so that described ball remains in this ball accommodation hole.
Preferably, on the other end away from described installation portion on described main part, be provided with the engagement auxiliary section for installing card stop member, can described sleeve being pressed to workpiece setting portion by described stopper.
Preferably, described workpiece setting portion is formed with the shoulder portion moving to described installation portion for limiting described thin walled cylinder body parts.
Preferably, between described shoulder portion and described truncated cone-shaped portion, be formed with columnar portion.
Preferably, described fixture also comprises that cover is set to the axial location sleeve in described workpiece setting portion, and this axial location sleeve comprises the flexible member between described shoulder portion and described shoulder for the shoulder to described thin walled cylinder body ends and resiliency supported.
Pass through technique scheme, because the fixture for processing thin-walled sleeve part of the present invention is to utilize can be connected on described thin walled cylinder body parts and along moving axially of truncated cone-shaped portion and outwardly so that thin walled cylinder body parts are felt relieved and to be clamped, so can more accurately adjust the clamping force being applied on thin walled cylinder body parts, and be unlikely to make thin walled cylinder body part distortion.
Other features and advantages of the present invention are described in detail the specific embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is the schematic diagram of the fixture for processing thin-walled sleeve part of the present invention.
Fig. 2 is the AA cutaway view of Fig. 1.
Description of reference numerals
10 main part 11 installation portion 12 shoulder portion 13 columnar portion
14 17 engagement auxiliary sections, truncated cone-shaped portion 15 groove 16 sleeve auxiliary sections
20 ball 30 sleeve 31 limiting section 32 ball accommodation holes
33 installation portion 40 axial location sleeve 41 flexible member 42 shoulders
50 stopper 60 thin walled cylinder body parts 70 are top
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
In the present invention, in the situation that not doing contrary explanation, the noun of locality of use typically refers to reference to upper and lower, left and right shown in the drawings as " upper and lower, left and right "; " inside and outside " refers to inside and outside with respect to the profile of each parts itself.
As shown in Figure 1, the invention provides a kind of fixture for processing thin-walled sleeve part, this fixture comprises main part 10, main part 10 is formed with for this fixture being installed on to installation portion 11 on processing equipment and for clamping the workpiece setting portion of thin walled cylinder body parts 60, workpiece setting portion comprises the truncated cone-shaped portion 14 and the ball 20 that from installation portion 11, diminish, thereby ball 20 can be connected on described thin walled cylinder body parts 60 and be outwardly so that thin walled cylinder body parts 60 are formed to certralizing ability along moving axially of truncated cone-shaped portion 14.Preferably ball 20 has three at least, is uniformly distributed in the week of truncated cone-shaped portion 14 upwards, thereby can play reliable and stable certralizing ability.
As a kind of specific embodiment of the present invention, on the outer peripheral face of truncated cone-shaped portion 14, offer groove 15, the bottom surface contact of each ball 20 and corresponding groove 15, the degree of depth edge of each groove 15 deepens away from the direction of installation portion 11.Can utilize like this plane by being fixed on installation portion 11 and the engineering machinery thin walled cylinder body parts between top to keep ball 20.
More preferably, each groove 15 is formed as spiral groove.When utilizing the processing thin-walled sleeve parts 60 such as lathe tool, can make ball 20, under the effect of the friction composite force of transmitting by the inwall of thin walled cylinder body parts 60, micro-rotation and displacement occur from right to left, thereby feel relieved reliably and clamp like this.
As the another kind of specific embodiment of the present invention, this fixture also comprises sleeve 30, circumferential perforation along this sleeve 30 on the sidewall of sleeve 30 offers ball accommodation hole 32, each ball accommodation hole 32 maintains respectively a ball 20, and each ball 20 contacts with truncated cone-shaped portion 14, so that ball 20 can be outwardly so that thin walled cylinder body parts 60 are formed to certralizing ability from ball accommodation hole 32 when the extruding being subject to installation portion 11.Sleeve 30 now can utilize the diameter larger part of truncated cone-shaped portion 14 to install, and that is to say, sleeve 30 is sleeved in truncated cone-shaped portion 14, and utilizes the diameter larger part of truncated cone-shaped portion 14 to carry out axial location.
In addition, also can utilize the shoulder portion 12 in Fig. 1 to carry out axial location.Like this, ball 20 be subject to by thin walled cylinder body parts 60 transmit come cutting force time, because this cutting force has towards the axial thrust load of shoulder portion, this ball 20 can becoming large direction towards shoulder portion 12 diameters and move along truncated cone-shaped portion 14 gradually, thereby make ball 20 outwardly, with the above-mentioned cutting force of correspondence, thin walled cylinder body parts 60 are carried out to suitable centering.Compare with prior art utilization and can only apply the three-jaw chuck that certain clamping force is felt relieved to thin walled cylinder body parts 60, the clamping force for feeling relieved that fixture of the present invention provides thin walled cylinder body parts 60 changes to the size of the component of shoulder portion with cutting force with corresponding, therefore can not apply excessive clamping force to thin walled cylinder body parts 60 and make its distortion.
In addition, ball 20 is formed as the shape that can roll or slide in truncated cone-shaped portion 14, such as cylinder etc.Preferably ball 20 is formed as spherosome, is formed as the advantage of spherosome in connection with stating in following preferred structure.
The structure of the engineering machinery that the structure of installation portion 11 will be applied to according to this fixture arranges so that shown in fixture can be arranged in engineering machinery.For example, using utilizing, as the three-jaw chuck of lathe accessories, fixing, still, because centre is connected with miscellaneous part, is disadvantageous to the centering of thin walled cylinder body parts 60.Therefore preferably installation portion 11 is formed as inserting the taper shank portion in the spindle hole that is installed to processing equipment.Particularly, this taper shank portion is formed as Morse taper shank.Like this, can be to the accurately centering of thin walled cylinder body parts 60, thus the crudy of parts is provided.
In addition, preferably between shoulder portion 12 and truncated cone-shaped portion 14, be formed as the columnar portion 13 that coordinates with the inner peripheral surface of sleeve 30, thereby can make reliably sleeve 30 remain on main part 10.
Preferably adopt structure as shown in Figure 1, not only can effectively to the range of movement of ball 20, effectively limit, but also can be convenient at this fixture of assembling.This fixture of use that can simple and fast, carries out ball 20 and arranges and needn't spend a large amount of time.Particularly, while assembling this fixture, can make one end that the diameter of truncated cone-shaped portion 14 is less down, ball 20 is placed into the bosom of groove 15, sleeve 30 is being overlapped and installed on described main part 10 from bottom to top.Namely the size of ball 20 will be set to accommodate between the bosom of groove 15 and sleeve 30 inner peripheral surfaces, preferably be set to interference fit, like this when assembling sleeve 30 and being provided with the main part 10 of ball 20, the inner peripheral surface of described sleeve 30 can contact with described ball 20 and ball 20 be applied to the thrust along installation direction, thereby ball 20 is pushed to suitable location along groove 15 to shoulder portion 12.
As shown in Figure 2, particularly, at least three balls 20 are six balls, and ball accommodation hole is six, and groove 15 is six and is distributed on the outer surface of truncated cone-shaped portion 14.
As a kind of specific embodiment of the present invention, on the other end away from installation portion 11 on main part 10, be provided with the engagement auxiliary section 17 for installing card stop member 50, can sleeve 30 being pressed in shoulder portion 12 by stopper 50.
That is to say, after sleeve 30 covers are installed on main part 10, utilize stopper 50 finally to complete the installation of sleeve 30.Certainly, also stopper 50 can be arranged to be formed on the projection on engagement auxiliary section 17, elasticity itself that utilize sleeve 30 to have is crossed after this projection, by this projection engagement.
As optimal way of the present invention, described fixture also comprises that cover is set to the axial location sleeve 40 on sleeve 30, and this axial location sleeve 40 comprises the flexible member 41 between shoulder portion 12 and shoulder for the shoulder 42 to thin walled cylinder body parts 60 ends and resiliency supported.
Therefore when this fixture is assembled, first axial location sleeve 40 covers are installed on sleeve 30, make its one end can abut to shoulder, in the installation of carrying out again between sleeve 30 and main part 10, afterwards following flexible member 41 is connected between shoulder portion 12 and shoulder, thereby completes fixture of the present invention.
This fixture in use, not only can be adjusted the clamping force being applied on thin walled cylinder body parts 60, and be unlikely to make thin walled cylinder body parts 60 to be out of shape.And due to the existence of axial location sleeve 40, clamped thin walled cylinder body parts 60 utilize described flexible member 41 to be easily removed.Axial location sleeve 40 coaxially arranges with sleeve 30.
Particularly, flexible member 41 is for being set in the Compress Spring on axial location sleeve 40.Flexible member 41 can be when being subject to from top 70 power, reliably and stably compressed, discharge top after, this flexible member 41 is in non-stress state, thereby utilizes elasticity stored in flexible member 41 thin walled cylinder body parts 60 can be released.
Below in conjunction with Fig. 1, using method and advantage to this fixture are described.
First, by being formed as, the installation portion 11 that is formed as taper shank portion is inserted in the spindle hole (not shown) of lathe, and strains by screw rod.The thin walled cylinder body parts of processing 60 covers are installed on sleeve 30 again, and with top 70 of lathe, hold out against one end of thin walled cylinder body parts 60, now flexible member 41 can be compressed into shown position.Thus, the axis of thin walled cylinder body parts 60 moves and is completely restricted.When turning; dextrosinistral micro-displacement and rotation can occur under the effect of cutting force for thin walled cylinder body parts 60; thus drive ball 20, from helicla flute shape groove 15, micro-displacement occurs from right to left, and protrude and by qualitative thin walled cylinder body parts 60 and clamp in ball 20 outsides simultaneously.
After turning, exit top 70 of tailstock, under the effect of flexible member 41, thin walled cylinder body parts 60 have movement from left-hand, thereby drive ball 20 lower of dislocation spiral groove from left to right, and thin walled cylinder body parts 60 can be easily removed.
From foregoing description, fixture clamping action provided by the present invention is simple, and without using the aids such as spanner, can provide operating efficiency.And due to the existence of flexible member 41, can easily take out thin walled cylinder body parts 60 and stuck situation can not occur.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.It should be noted that in addition, each concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present invention, also can be combined, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. the fixture for processing thin-walled sleeve part, this fixture comprises main part (10), described main part (10) is formed with for this fixture being installed on to installation portion (11) on processing equipment and for clamping the workpiece setting portion of described thin walled cylinder body parts (60), it is characterized in that, described workpiece setting portion comprises the truncated cone-shaped portion (14) and the ball (20) that from described installation portion (11), diminish, described ball (20) can be connected to described thin walled cylinder body parts (60) upper and along described truncated cone-shaped portion (14) thus move axially outwardly so that described thin walled cylinder body parts (60) are formed to certralizing ability.
2. fixture according to claim 1, is characterized in that, described ball (20) has three at least, is uniformly distributed in the week of described truncated cone-shaped portion (14) upwards.
3. fixture according to claim 1, it is characterized in that, on the outer peripheral face of described truncated cone-shaped portion (14), offer groove (15), the bottom surface contact of described ball (20) and corresponding described groove (15), the degree of depth of described groove (15) is along deepening away from the direction of described installation portion (11).
4. fixture according to claim 3, is characterized in that, described groove (15) is formed as spiral groove.
5. fixture according to claim 1, it is characterized in that, this fixture also comprises that cover installs to the sleeve (30) of described truncated cone-shaped portion (14), on the sidewall of described sleeve (30), along the circumferential perforation of this sleeve (30), offer ball accommodation hole (32), described ball accommodation hole (32) maintains respectively a described ball (20), and described ball (20) contacts with described truncated cone-shaped portion (14), so that described ball (20) can be outwardly so that described thin walled cylinder body parts (60) are formed to certralizing ability from described ball accommodation hole (32) when the extruding being subject to described installation portion (11).
6. fixture according to claim 5, is characterized in that, described ball accommodation hole (32) is formed as diameter and becomes from outside to inside large bellmouth, so that described ball (20) remains in this ball accommodation hole (32).
7. according to the fixture described in any one in claim 5, it is characterized in that, on the upper other end away from described installation portion (11) of described main part (10), be provided with the engagement auxiliary section (17) for installing card stop member (50), can described sleeve (30) being pressed to workpiece setting portion by described stopper (50).
8. according to the fixture described in any one in claim 1-7, it is characterized in that, described workpiece setting portion is formed with for limiting described thin walled cylinder body parts (60) to the mobile shoulder portion (12) of described installation portion (11).
9. fixture according to claim 8, is characterized in that, between described shoulder portion (12) and described truncated cone-shaped portion (14), is formed with columnar portion (13).
10. the fixture described according to Claim 8, it is characterized in that, described fixture also comprises that cover is set to the axial location sleeve (40) in described workpiece setting portion, and this axial location sleeve (40) comprises the flexible member (41) between described shoulder portion (12) and described shoulder for the shoulder (42) to described thin walled cylinder body parts (60) end and resiliency supported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310684029.1A CN103737404B (en) | 2013-12-13 | 2013-12-13 | For the fixture of processing thin-walled sleeve part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310684029.1A CN103737404B (en) | 2013-12-13 | 2013-12-13 | For the fixture of processing thin-walled sleeve part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103737404A true CN103737404A (en) | 2014-04-23 |
| CN103737404B CN103737404B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310684029.1A Active CN103737404B (en) | 2013-12-13 | 2013-12-13 | For the fixture of processing thin-walled sleeve part |
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| Country | Link |
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| CN (1) | CN103737404B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029065A (en) * | 2014-06-13 | 2014-09-10 | 沈阳飞机工业（集团）有限公司 | Three-edge centering and clamping mechanism with rollers |
| CN106694929A (en) * | 2017-03-24 | 2017-05-24 | 西北工业大学 | Clamping device for processing thin-walled spacer parts |
| CN107962222A (en) * | 2017-11-24 | 2018-04-27 | 中国航发沈阳黎明航空发动机有限责任公司 | The Milling Machining deformation controller in hole and method of a kind of conical thin-wall part |
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| US4637620A (en) * | 1984-09-04 | 1987-01-20 | Graham Merton J | Two stage chuck |
| JPH0911009A (en) * | 1995-06-22 | 1997-01-14 | Toyomoto Hiromitsu | Rotary tool |
| CN101733669A (en) * | 2009-11-30 | 2010-06-16 | 江南机器（集团）有限公司 | Precise positioning and clamping device for stepped thin-wall barrel |
| CN201988972U (en) * | 2011-04-02 | 2011-09-28 | 苏州市职业大学 | Turning fixture of thin-wall sleeve |
| CN202964069U (en) * | 2012-11-21 | 2013-06-05 | 天津市天高机电装备有限公司 | Anti-vibration support device for machining of thin-wall deep hole workpiece |
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2013
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4637620A (en) * | 1984-09-04 | 1987-01-20 | Graham Merton J | Two stage chuck |
| JPH0911009A (en) * | 1995-06-22 | 1997-01-14 | Toyomoto Hiromitsu | Rotary tool |
| CN101733669A (en) * | 2009-11-30 | 2010-06-16 | 江南机器（集团）有限公司 | Precise positioning and clamping device for stepped thin-wall barrel |
| CN201988972U (en) * | 2011-04-02 | 2011-09-28 | 苏州市职业大学 | Turning fixture of thin-wall sleeve |
| CN202964069U (en) * | 2012-11-21 | 2013-06-05 | 天津市天高机电装备有限公司 | Anti-vibration support device for machining of thin-wall deep hole workpiece |
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| Title |
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| 范凤仙: "加工薄壁零件的弹性胀紧夹具", 《机械制造》 * |
| 郭辉: "弹性夹具在薄壁筒状零件上的应用", 《煤矿机械》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029065A (en) * | 2014-06-13 | 2014-09-10 | 沈阳飞机工业（集团）有限公司 | Three-edge centering and clamping mechanism with rollers |
| CN106694929A (en) * | 2017-03-24 | 2017-05-24 | 西北工业大学 | Clamping device for processing thin-walled spacer parts |
| CN106694929B (en) * | 2017-03-24 | 2018-05-01 | 西北工业大学 | A kind of grip device of processing thin-walled cylinder ring parts |
| CN107962222A (en) * | 2017-11-24 | 2018-04-27 | 中国航发沈阳黎明航空发动机有限责任公司 | The Milling Machining deformation controller in hole and method of a kind of conical thin-wall part |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103737404B (en) | 2016-04-20 |
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Address after: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Applicant after: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. Address before: 410007 ZOOMLION grand pond Industrial Park, Yuanda Road, Changsha economic and Technological Development Zone, Changsha, Hunan 2, China Applicant before: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. |
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