CN208663161U - A kind of positioning clamping device for thin-walled inner ring body part - Google Patents
A kind of positioning clamping device for thin-walled inner ring body part Download PDFInfo
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- CN208663161U CN208663161U CN201821230151.6U CN201821230151U CN208663161U CN 208663161 U CN208663161 U CN 208663161U CN 201821230151 U CN201821230151 U CN 201821230151U CN 208663161 U CN208663161 U CN 208663161U
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- thin
- expansion sleeve
- inner ring
- ring body
- walled inner
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Abstract
The utility model discloses a kind of positioning clamping devices for thin-walled inner ring body part, it is sequentially coaxially set in expansion sleeve, the thin-walled inner ring body part of cylinder interior including cylinder body and from outside to inside, the expansion sleeve is the thin-walled tubular structure of elasticity, and the section of expansion sleeve is arc type structure；It further include the cylinder cap with cylinder body cooperation, the cylinder body is connect by clamp device with cylinder cap；The axle center of the groove of the side wall in the axle center and expansion sleeve of the radial hole of the thin-walled inner ring body part is coaxially disposed.The utility model structure novel, the elastic deformation of metal is made full use of to provide clamping force, expansion sleeve is radially expanded by axial compressive force, thin-walled inner ring body part when clamping is bonded well with expansion sleeve, to which expansion sleeve is capable of providing the uniform pressing force in 360 ° of directions, overcome as part clamping force it is uneven caused by the excessive problem of part deformation amount.
Description
Technical field
The utility model belongs to clamp art, is a kind of thin-walled inner ring body part positioning clamping device specifically.
Background technique
There is the part of a large amount of thin-walled inner ring body class in Aeronautics and Astronautics components, to the positioning and clamping of this kind of part, than
There are two types of more common, one is using chuck, but since wall thickness is thin, traditional chuck can not guarantee that part deformation is enough
Enough clamping forces are provided under the premise of small, therefore chuck is not suitable for the positioning and clamping of thin-wall part；Another kind is spreading mandrel dress
Folder can preferably meet the clamping of thin-walled parts, can make up card although spreading mandrel and feature contacts area are greater than chuck
The deficiency of disk, but part tensioner can be deformed into ellipse with spreading mandrel clamping by ultrathin-wall parts, i.e., cause to part larger
Deformation, furthermore spreading mandrel is only applicable to the situation outside processing part, to needing to process thin-walled inner ring out of hole with power head
The situation spreading mandrel of body sidewall counter sink is not available.Therefore the installation way of ultrathin-wall parts could be improved.
Utility model content
The purpose of this utility model is to provide a kind of thin-walled inner ring body part positioning clamping devices, to solve traditional folder
Part deformation amount excessive problem when having clamping.
The utility model is achieved through the following technical solutions: a kind of thin-walled inner ring body part positioning clamping device, including cylinder
Body and it is sequentially coaxially set in the expansion sleeve of cylinder interior, thin-walled inner ring body part from outside to inside, the expansion sleeve is elastic
Thin-walled tubular structure, and the section of expansion sleeve is arc type structure；It further include the cylinder cap with cylinder body cooperation, the cylinder body passes through tight
It is fixedly mounted with to set and be connect with cylinder cap；The axle center of the groove of the side wall in the axle center and expansion sleeve of the radial hole of the thin-walled inner ring body part is same
Axis setting.
Cylinder body is fixed on lathe, by measurement selection groove size center away from outer diameter and thin-walled inner ring body part
The expansion sleeve matched, while by the measurement suitable height adjustment pad piece of preferred dimension, make after assembling, the thin-walled inner ring
The axle center of the groove of the side wall in the axle center and expansion sleeve of the radial hole of body part is coaxial, and height adjustment pad piece is successively packed into cylinder body
Expansion sleeve is fitted into cylinder body by bottom, and thin-walled inner ring body part is fitted into expansion sleeve, is then covered cylinder cap on cylinder body, most
Cylinder body connect with cylinder cap by fastener afterwards, by height adjustment pad piece adjust thin-walled inner ring body part make radial hole axle center and
Expansion sleeve groove center is overlapped, and is adjusted by adjusting fastener and is applied to the axial compressive force of expansion sleeve to compress thin-walled inner ring body
Part processes the radial hole on tight thin-walled inner ring body part by power head.
A kind of positioning clamping device for thin-walled inner ring body part described in the utility model, makes full use of the bullet of metal
Property deformation provide clamping force, not only structure novel, also has many advantages, such as uniform force application, resistance to deformation, and " radius-thickness ratio " may be implemented and exist
200 or so ultrathin-wall parts clamping, overcome as part clamping force it is uneven caused by the excessive problem of part deformation amount.
In order to preferably realize the utility model, further, the axis in the adjacent radial hole of the thin-walled inner ring body part
The distance of the heart is equal to the distance in the axle center of adjacent groove on the side wall of expansion sleeve so that in clamping thin-walled inner ring body part with
Expansion sleeve can be bonded well, so that expansion sleeve is capable of providing the uniform pressing force in 360 ° of directions, be overcome since part clamps
Part deformation caused by power is uneven can satisfy the clamping requirement of ultra-thin part.
In order to preferably realize the utility model, further, the positioning clamping device further includes being arranged at cylinder body bottom
The bottom of the height adjustment pad piece in portion, the expansion sleeve is connect by height adjustment pad piece with cylinder body.Height adjustment pad piece can be with
The height of expansion sleeve is adjusted, the groove in the axle center of the radial hole of the thin-walled inner ring body part and the side wall of expansion sleeve is made
Axle center it is coaxial.
In order to preferably realize the utility model, further, the clamp device is fastener, the top of the cylinder body
It is connect by fastener with cylinder cap；The fastener include bolt and with the matched fastening nut of bolt, the bolt from down toward
Under sequentially pass through gray iron and connect with fastening nut.The fastener can apply axial compressive force to expansion sleeve, adjust tight
Firmware, cylinder cap and cylinder body can generate relative motion, and expansion sleeve can be due to being expanded, since the casing wall of cylinder body is limited by axis pressure
It has made expansion sleeve to expand outward, has enabled expansion sleeve to generate radial deformation and carry out Clamp blocks to generate uniform pressing force.
In order to preferably realize the utility model, further, the internal diameter of the cylinder body is equal to the outer diameter of expansion sleeve, and swollen
The internal diameter of expansion set is equal to the outer diameter of thin-walled inner ring body part, enable in clamping thin-walled inner ring body part and expansion sleeve well
Fitting, so that expansion sleeve is capable of providing the uniform pressing force in 360 ° of directions, overcome as part clamping force it is uneven caused by
The excessive problem of part deformation amount.
The utility model compared with prior art, have the following advantages that and the utility model has the advantages that
(1) a kind of thin-walled inner ring body part positioning clamping device, including cylinder body and it is sequentially coaxially set in cylinder from outside to inside
Expansion sleeve, the thin-walled inner ring body part in internal portion, the expansion sleeve is the thin-walled tubular structure of elasticity, and the section of expansion sleeve is
Arc type structure；It further include the cylinder cap with cylinder body cooperation, the cylinder body is connect by clamp device with cylinder cap；The thin-walled inner ring
The axle center of the groove of the side wall in the axle center and expansion sleeve of the radial hole of body part is coaxially disposed.The utility model makes full use of metal
Elastic deformation clamping force is provided, not only structure novel also has many advantages, such as uniform force application, and " diameter thickness may be implemented in resistance to deformation
Than " 200 or so ultrathin-wall parts clamping, it is excessive to overcome the part deformation amount as caused by part clamping force is uneven
Problem.
(2) distance in the axle center in the adjacent radial hole of the thin-walled inner ring body part is equal to adjacent on the side wall of expansion sleeve
The distance in the axle center of groove enables the thin-walled inner ring body part in clamping to be bonded well with expansion sleeve, thus expansion sleeve energy
Enough provide 360 ° of directions uniform pressing force, overcome as part clamping force it is uneven caused by part deformation, can satisfy
The clamping requirement of ultra-thin part.
(3) positioning clamping device further includes the height adjustment pad piece that cylinder base is arranged in, the bottom of the expansion sleeve
Portion is connect by height adjustment pad piece with cylinder body.Height adjustment pad piece can be adjusted the height of expansion sleeve, make described thin
The axle center of the radial hole of wall inner ring body part and the axle center of the groove of the side wall of expansion sleeve are coaxial, so that the thin-walled inner ring in clamping
Body part can be bonded well with expansion sleeve.
(4) clamp device is fastener, and the top of the cylinder body is connect by fastener with cylinder cap；The fastener
Including bolt and with the matched fastening nut of bolt, the bolt from sequentially passed through under gray iron and and fastening nut
Connection.The fastener can apply axial compressive force to expansion sleeve, adjust fastener, and cylinder cap and cylinder body can generate relative motion,
Expansion sleeve can expand outward, so that expansion sleeve due to being expanded by axis pressure since the casing wall of cylinder body limits expansion sleeve
Radial deformation can be generated and carry out Clamp blocks to generate uniform pressing force, clamping preferably can be carried out to thin-walled inner ring body part.
(5) further, the internal diameter of the cylinder body is equal to the outer diameter of expansion sleeve, and the internal diameter of expansion sleeve is equal to thin-walled inner ring
The outer diameter of body part enables the thin-walled inner ring body part in clamping to be bonded well with expansion sleeve, so that expansion sleeve can mention
For the uniform pressing force in 360 ° of directions, overcome as part clamping force it is uneven caused by the excessive problem of part deformation amount.
Detailed description of the invention
Fig. 1 is each component axonometric drawing of the utility model；
Fig. 2 is the structural schematic diagram of thin-walled inner ring body；
Fig. 3 is the structural schematic diagram of expansion sleeve；
Fig. 4 is the assembly relation and part stress schematic diagram of expansion sleeve and part；
Fig. 5 is that power head processes part schematic diagram；
Fig. 6 is the utility model structure diagram.
Wherein: 1, expansion sleeve；2, cylinder cap；3, fastener；4, cylinder body；5, height adjustment pad piece；6, thin-walled inner ring body part.
Specific embodiment
Embodiment 1:
A kind of positioning clamping device for thin-walled inner ring body part of the present embodiment, as shown in Fig. 1, Fig. 6, including cylinder body
4 and the expansion sleeve 1, the thin-walled inner ring body part 6 that are sequentially coaxially set in inside cylinder body 4 from outside to inside, as shown in figure 3, described swollen
Expansion set 1 is the thin-walled tubular structure of elasticity, and the section of expansion sleeve 1 is arc type structure；It further include the cylinder cap cooperated with cylinder body 4
2, the cylinder body 4 is connect by clamp device with cylinder cap 2；The axle center of the radial hole of the thin-walled inner ring body part 6 and expansion sleeve 1
Side wall groove axle center coaxial arrangement.
It is first that cylinder body 4 is fixed on lathe when the utility model is used；Then it measures radial on thin-walled inner ring body part 6
The pitch-row and outer diameter in hole select groove size center away from the expansion sleeve 1 matched with outer diameter with thin-walled inner ring body part 6；
Then measure thin-walled inner ring body part 6 on first row radial hole central axis to part end face distance, in conjunction with expansion sleeve 1 first
Groove center line determines the suitable height adjustment pad piece 5 of preferred dimension, makes after assembling, in radial hole to the distance of end face
Heart line and groove center line are overlapped；Height adjustment pad piece 5 is successively packed into 4 bottom of cylinder body in next step, expansion sleeve 1 is packed into cylinder body
In 4, thin-walled inner ring body part 6 is fitted into expansion sleeve 1, cylinder cap 2 is covered on cylinder body 4, then passes through fastener 3 for cylinder body 4
It is connected with cylinder cap 2, is adjusted by adjusting fastener 3 and be applied to the axial compressive force of expansion sleeve 1 to compress thin-walled inner ring body part
6；Finally as shown in figure 5, processing the radial hole on tight thin-walled inner ring body part 6 by power head.
The utility model makes full use of the elastic deformation of metal to provide clamping force, not only structure novel, also has force equal
It is even, the advantages that resistance to deformation, " radius-thickness ratio " may be implemented in 200 or so ultrathin-wall parts clamping, overcome conventional brace clamping
When the excessive problem of part deformation amount.
Embodiment 2:
The present embodiment advanced optimizes on the basis of embodiment 1, as shown in Fig. 2, the thin-walled inner ring body part 6
The distance in the axle center in adjacent radial hole is equal to the distance in the axle center of groove adjacent on the side wall of expansion sleeve 1.So that in clamping
Thin-walled inner ring body part 6 can be bonded well with expansion sleeve 1, so that expansion sleeve 1 is capable of providing the uniform pressing force in 360 ° of directions,
Overcome as part clamping force it is uneven caused by part deformation, can satisfy the clamping requirement of ultra-thin part.This is practical
The novel elastic deformation for making full use of metal provides clamping force, not only structure novel, also has uniform force application, and resistance to deformation etc. is excellent
The ultrathin-wall parts clamping of " radius-thickness ratio " 200 or so, part deformation amount mistake when overcoming conventional brace clamping may be implemented in point
Big problem.
The other parts of the present embodiment are same as Example 1, and so it will not be repeated.
Embodiment 3:
The present embodiment advanced optimizes on the basis of above-described embodiment 1 or 2, as shown in fig. 6, the thin-walled inner ring body
The clamping device of part 6 further includes the height adjustment pad piece 5 that 4 bottom of cylinder body is arranged in, and the bottom of the expansion sleeve 1 passes through height
Adjustment gasket 5 is connect with cylinder body 4；The clamp device is fastener 3, and the top of the cylinder body 4 passes through fastener 3 and cylinder cap 2
Connection；The fastener 3 include bolt and with the matched fastening nut of bolt, the bolt from sequentially passed through under cylinder body 4,
Cylinder cap 2 is simultaneously connect with fastening nut, as shown in figure 4, the fastener 3 can apply axial compressive force to expansion sleeve 1, adjusts fastening
Part 3, cylinder cap 2 and cylinder body 4 can generate relative motion, and expansion sleeve 1 can be due to being expanded, due to the cylinder of cylinder body 4 by axis pressure
Wall limits expansion sleeve 1 and expands outward, and expansion sleeve 1 is enabled to generate radial deformation to generate uniform pressing force to clamp zero
Part preferably can carry out clamping to thin-walled inner ring body part 6.The utility model makes full use of the elastic deformation of metal to provide clamping
Power, not only structure novel, also has many advantages, such as uniform force application, and the ultra-thin-wall of " radius-thickness ratio " 200 or so may be implemented in resistance to deformation
Parts fixation, part deformation amount excessive problem when overcoming conventional brace clamping.
The other parts of the present embodiment are identical as above-described embodiment 1 or 2, and so it will not be repeated.
Embodiment 4:
The present embodiment advanced optimizes on the basis of above-described embodiment 1-3, as shown in fig. 6, the internal diameter of the cylinder body 4
Equal to the outer diameter of expansion sleeve 1, and the internal diameter of expansion sleeve 1 is equal to the outer diameter of thin-walled inner ring body part 6, so that in clamping in thin-walled
Ring body part 6 can be bonded well with expansion sleeve 1, so that expansion sleeve 1 is capable of providing the uniform pressing force in 360 ° of directions, be overcome
As part clamping force it is uneven caused by the excessive problem of part deformation amount.The utility model makes full use of the elastic shape of metal
Become and clamping force is provided, not only structure novel, also have many advantages, such as uniform force application, " radius-thickness ratio " may be implemented on 200 left sides in resistance to deformation
Right ultrathin-wall parts clamping, part deformation amount excessive problem when overcoming conventional brace clamping.
The other parts of the present embodiment are identical as above-described embodiment 1-3, and so it will not be repeated.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
System, any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent variations, each falls within
Within the protection scope of the utility model.
Claims (5)
1. a kind of positioning clamping device for thin-walled inner ring body part, which is characterized in that including cylinder body (4) and from outside to inside according to
Secondary to be coaxially set in the internal expansion sleeve (1) of cylinder body (4), thin-walled inner ring body part (6), the expansion sleeve (1) is the thin of elasticity
Wall tubular structure, and the section of expansion sleeve (1) is arc type structure；It further include the cylinder cap (2) with cylinder body (4) cooperation, the cylinder
Body (4) is connect by clamp device with cylinder cap (2)；The axle center and expansion sleeve (1) of the radial hole of the thin-walled inner ring body part (6)
Side wall groove axle center coaxial arrangement.
2. a kind of positioning clamping device for thin-walled inner ring body part according to claim 1, which is characterized in that described
The distance in the axle center in the adjacent radial hole of thin-walled inner ring body part (6) is equal to the axis of groove adjacent on the side wall of expansion sleeve (1)
The distance of the heart.
3. a kind of positioning clamping device for thin-walled inner ring body part according to claim 1 or 2, which is characterized in that
It further include height adjustment pad piece (5) of the setting in cylinder body (4) bottom, the bottom of the expansion sleeve (1) passes through height adjustment pad piece
(5) it is connect with cylinder body (4).
4. a kind of positioning clamping device for thin-walled inner ring body part according to claim 1, which is characterized in that described
Clamp device is fastener (3), and the top of the cylinder body (4) is connect by fastener (3) with cylinder cap (2)；The fastener (3)
Including bolt and with the matched fastening nut of bolt, the bolt from sequentially passed through under cylinder body (4), cylinder cap (2) and with it is tight
Gu nut connects.
5. a kind of according to claim 1,2,4 described in any item positioning clamping devices for thin-walled inner ring body part, special
Sign is that the internal diameter of the cylinder body (4) is equal to the outer diameter of expansion sleeve (1), and the internal diameter of expansion sleeve (1) is equal to thin-walled inner ring body zero
The outer diameter of part (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821230151.6U CN208663161U (en) | 2018-08-01 | 2018-08-01 | A kind of positioning clamping device for thin-walled inner ring body part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821230151.6U CN208663161U (en) | 2018-08-01 | 2018-08-01 | A kind of positioning clamping device for thin-walled inner ring body part |
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| Publication Number | Publication Date |
|---|---|
| CN208663161U true CN208663161U (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821230151.6U Active CN208663161U (en) | 2018-08-01 | 2018-08-01 | A kind of positioning clamping device for thin-walled inner ring body part |
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| CN (1) | CN208663161U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561270A (en) * | 2019-08-27 | 2019-12-13 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Auxiliary tool for preventing inner hole honing deformation of large-diameter thin-wall part |
| CN111993172A (en) * | 2020-08-29 | 2020-11-27 | 中国航发南方工业有限公司 | Thin-wall blind hole shaft machining method |
-
2018
- 2018-08-01 CN CN201821230151.6U patent/CN208663161U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561270A (en) * | 2019-08-27 | 2019-12-13 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Auxiliary tool for preventing inner hole honing deformation of large-diameter thin-wall part |
| CN110561270B (en) * | 2019-08-27 | 2022-05-13 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Auxiliary tool for preventing inner hole honing deformation of large-diameter thin-wall part |
| CN111993172A (en) * | 2020-08-29 | 2020-11-27 | 中国航发南方工业有限公司 | Thin-wall blind hole shaft machining method |
| CN111993172B (en) * | 2020-08-29 | 2021-06-25 | 中国航发南方工业有限公司 | Thin-wall blind hole shaft machining method |
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