CN107538247B - A kind of thin-walled revolution workpiece clamping tooling - Google Patents
A kind of thin-walled revolution workpiece clamping tooling Download PDFInfo
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- CN107538247B CN107538247B CN201710743285.1A CN201710743285A CN107538247B CN 107538247 B CN107538247 B CN 107538247B CN 201710743285 A CN201710743285 A CN 201710743285A CN 107538247 B CN107538247 B CN 107538247B
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Abstract
The present invention relates to a kind of thin-walled revolution workpiece clamping toolings, the working rotary table extended along the longitudinal direction including center of rotation axis, it further include the clamping arm unit for being mounted on working rotary table, clamping arm unit includes multiple extends along the longitudinal direction and for along the circumferentially spaced clamping arm of working rotary table, at least two support columns for the revolution positioning surface press cooperation with corresponding thin-walled revolution workpiece is equipped at intervals on each clamping arm along the longitudinal direction, each support column is respectively provided with the press end for being used to form the corresponding positioning cylindrical surface that coincide with the revolution positioning surface of the thin-walled revolution workpiece, working rotary table is equipped with for making each clamping arm that can radially carry out position adjustment along work sabot to obtain the mounting structure of the different radial dimension of positioning cylindrical surfaces.Suitable for the support Set and Positioning of various sizes of thin-walled revolution workpiece, the versatility of clamping tooling is effectively increased.
Description
Technical field
The present invention relates to the thin-walled revolution workpiece clamping toolings in field of machining.
Background technique
In the field of machining, the processing of aluminum alloy thin wall pieces is very universal, especially all kinds of large-scale bay section class φ
The processing of 400mm- φ 1200mm, the aluminum alloy section that wall thickness is 2-5mm.For aluminium alloy thin-walled rotary part, lead to
Milling inner and outer circumferential surfaces often are needed, since wall thickness is relatively thin, are easy to appear the knife that quivers, this just needs to configure corresponding frock clamp realization and subtracts
The problem of cutting is crossed in vibration, the deformation occurred in process to avoid part.
The aluminium alloy thin-walled cylindrical member disclosed in the Chinese invention patent that Authorization Notice No. is CN103949851B adds
In work method, the used corresponding tooling when carrying out finishing of internal diameter to cylindrical member is mentioned, the positioning dress including correspondingly-sized
Cylinder is pressed from both sides, in use, it is clamping fixed by scroll chuck positioning and clamping wound packages, then workpiece to be processed is put into cylindrical positioning
In clamping cylinder, the axial grip set at both ends is screwed, corresponding cutters is selected to be machined the inner hole of cylindrical member.
In above-mentioned tooling, the size of positioning and clamping cylinder need to be corresponding with the size of cylindrical member, to provide effective Set and Positioning,
The problem of trembling for avoiding occurring in process, and then improve processing quality.But since the radial specification of thin-walled revolution workpiece is big
Small difference needs to make different rulers according to different specifications if corresponding to the revolving body of corresponding size using special tooling
Very little tooling, cost of manufacture is higher, and versatility is bad, and fabrication cycle is relatively long, also influences product processing progress.
Summary of the invention
A kind of the purpose of the present invention is to provide versatilities thin-walled revolution workpiece clamping that is good, being applicable to different clamping sizes
Tooling.
To achieve the above object, the technical solution of thin-walled revolution workpiece clamping tooling provided by the present invention is: a kind of thin-walled
Revolving body clamping tooling further includes for being mounted on work including the working rotary table that center of rotation axis extends along the longitudinal direction
Clamping arm unit on turntable, clamping arm unit include multiple extend along the longitudinal direction and for along the circumferentially-spaced cloth of working rotary table
The clamping arm set is equipped at intervals at least two on each clamping arm for the revolution positioning with corresponding thin-walled revolution workpiece along the longitudinal direction
The support column of face press cooperation, each support column, which is respectively provided with, to be used to form and identical pair of the revolution positioning surface of the thin-walled revolution workpiece
The press end for the positioning cylindrical surface answered, working rotary table are equipped with for making each clamping arm that can radially carry out position tune along work sabot
It is whole to obtain the mounting structure of the different radial dimension of positioning cylindrical surfaces.
The beneficial effects of the present invention are: thin-walled revolution workpiece clamping tooling provided by the present invention includes working rotary table and corresponding
Clamping arm unit, clamping arm unit includes multiple clamping arms, support column is respectively equipped on each clamping arm, due to that can pass through work
Position of the mounting structure adjustment clamping arm along working rotary table radially on turntable, adjustment obtains different radial dimension of by supporting
The press end of column is formed by positioning cylindrical surface, and then obtains different Set and Positioning sizes, is suitable for various sizes of thin-walled
The support Set and Positioning of revolving body, effectively increases the versatility of clamping tooling.
The support column is vibration reduction support column.It realizes that the support to thin-walled revolution workpiece positions using vibration reduction support column, realizes
Vibration damping processing efficiency, is effectively controlled the machining deformation generated in process.
The vibration reduction support column is the removable vibration damping screw being assemblied on corresponding clamping arm.Shock-absorbing support column, which specifically uses, to be subtracted
Shake screw, and installation, replacement are more convenient.
The screw mounting hole of multiple mountable vibration damping screws is arranged at intervals on the clamping arm along the longitudinal direction.This
Sample can be correspondingly arranged suitable number of vibration damping screw according to the axial length of thin-walled revolving meber to be mounted, improve clamping and stablize
Property.
The mounting structure includes multiple radial directions along the circumferentially-spaced distribution of working rotary table that the working rotary table is equipped with
Adjusting hole unit, each radial direction adjusting hole unit respectively include the multiple adjusting holes being distributed along working rotary table spaced radial, each clamping
Arm is installed in corresponding clamping arm mounting base, and the clamping arm mounting base is mounted on phase along working rotary table radial position is adjustable
It answers at radial adjusting hole unit.The mounting structure of adjustable clamping arm radial position on working rotary table includes radial adjusting hole list
Member, radial adjusting hole unit include multiple adjusting holes along the distribution of working rotary table spaced radial.
The clamping arm mounting base includes for along the adjustable seat being mounted on working rotary table of working rotary table radial position
Body, is installed with the installing arm extended in the longitudinal on pedestal, and position is adjustable along the longitudinal direction removable is connected in phase for the clamping arm
It answers in installing arm.Clamping arm mounting base includes pedestal and corresponding installing arm, facilitates and realizes consolidating for clamping arm and clamping arm mounting base
Dingan County's dress.
The pedestal is equipped with the bolt mounting holes of the corresponding perforation of adjusting hole for corresponding radial adjusting hole unit, described
Pedestal is fixed on the working rotary table by the way that the fastening bolt being installed in the bolt mounting holes is removable.
Before the clamping arm has the fixed arm section of fastening assembly corresponding with the installing arm and is overhung at the installing arm
The cantilevered leg section of side, the width dimensions of cantilevered leg section gradually become smaller from the front to the back.
Clamping tooling has two sets of clamping arm units, and a set of clamping arm unit is inner circle clamping unit, inner circle dress
The press end for pressing from both sides the support column of unit arranges that another set of clamping arm unit is outer circle clamping unit, foreign aid's clamping unit inwardly
The press end of support column is outwardly disposed.
Position is adjustable along the longitudinal direction is mounted on the working rotary table for the clamping arm.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment 1 of thin-walled revolution workpiece clamping tooling provided by the present invention；
Fig. 2 is the side view of clamping tooling shown in Fig. 1；
Fig. 3 is the structural schematic diagram of working rotary table in Fig. 1；
Fig. 4 is the structural schematic diagram of clamping arm in Fig. 1；
Fig. 5 is the main view of clamping arm shown in Fig. 4；
Fig. 6 is the structural schematic diagram of clamping arm pedestal in Fig. 1；
Fig. 7 is the main view of clamping arm pedestal shown in Fig. 6；
Fig. 8 is the cross-sectional view of clamping arm pedestal shown in Fig. 7；
Use state diagram when Fig. 9 is clamping tooling clamping thin-walled revolution workpiece shown in Fig. 1；
Figure 10 is the structural schematic diagram of the embodiment 2 of thin-walled revolution workpiece clamping tooling provided by the present invention.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment 1 of thin-walled revolution workpiece clamping tooling provided by the present invention:
As shown in Figures 1 to 8, the clamping tooling in the embodiment specifically includes center of rotation axis and extends along the longitudinal direction
Working rotary table 1, work sabot 1 leading flank be equipped with clamping arm unit, clamping arm unit herein is specially outer circle clamping
Unit.
In the present embodiment, clamping arm unit specifically includes 8 and extends along the longitudinal direction and between working rotary table axial direction
Every the clamping arm 22 of distribution, each clamping arm 22 is by clamping arm mounting base 21 along the work adjustable installation of sabot radial position
On the leading flank of working rotary table 1, in fact, being equipped on working rotary table 1 can make clamping arm mounting base along working rotary table radial direction
Carry out the mounting structure of mobile adjustment, mounting structure include the leading flank of working rotary table be equipped with it is circumferentially-spaced along working rotary table
The radial adjustment unit of distribution, each radial direction adjustment unit respectively include multiple adjusting holes 10 radially extended along working rotary table, often
The bolt that perforation corresponding with the adjusting hole of corresponding radial adjusting hole unit is respectively provided in a clamping arm mounting base 21 is installed
Hole, it is mobile in place in clamping arm, clamping arm mounting base is fixed on corresponding positions using the fastening bolt penetrated in bolt mounting holes
It sets.At shift position, fastening bolt is unscrewed, after moving clamping arm mounting base in place, recycles fastening bolt by clamping
Arm mounting base is fixed, and the adjustment along working rotary table radial position can be realized.
In the present embodiment, as shown in Fig. 6, Fig. 7 and Fig. 8, clamping arm mounting base 21 is specifically included for along working rotary table diameter
To the adjustable pedestal 210 being mounted on working rotary table in position, it is installed with the installing arm 212 extended in the longitudinal on pedestal 210, respectively
Clamping arm 22 is bolted fastening structure and is assemblied in corresponding installing arm.
As shown in Figure 4 and Figure 5, corresponding, clamping arm 22 then includes the fixed arm of fastening assembly corresponding with above-mentioned installing arm
Section 220 and the cantilevered leg section 221 being overhung on front side of the installing arm, the width dimensions of cantilevered leg section 221 gradually become from the front to the back
It is small.
In fact, being equipped with multiple fixed mounting holes extended along the longitudinal direction in installing arm 212, this makes clamping arm 22
Fixed arm section 220 along the longitudinal direction position it is adjustable it is removable be connected in installing arm, in this way can be according to positioning to be supported
The position of the axial length adjustment clamping arm of thin-walled revolution workpiece, improves the versatility of entire clamping tooling.
It is equipped on clamping arm 22 and is equipped at intervals with three along the longitudinal direction for pressing the branch that support phase answers thin-walled revolution workpiece
Dagger 4, to improve vibration reduction support effect, support column 4 uses vibration reduction support column, is specifically assemblied in corresponding clamping arm 22 using removable
On vibration damping screw, correspondingly, being arranged at intervals with multiple mountable vibration damping screws along the longitudinal direction on clamping arm 22
Screw mounting hole 222.
In fact, each support column on clamping arm 22 all has for corresponding with the revolution positioning surface on thin-walled revolution workpiece
The press end for pressing cooperation, in fact, when in use, the press end of the support column 4 of same adjustment arm unit will form with accordingly
Revolution positioning surface on thin-walled revolution workpiece coincide corresponding positioning cylindrical surface, when in use, by moving radially tune along scratch diskette
Different radial dimension of positioning cylindrical surfaces, the radial dimension of thin-walled revolution workpiece of corresponding clamping difference can be obtained in self-contained clamp arm.
As shown in figure 9, when use for processing inner cavity, at this point, positioning thin-walled using clamping unit supports shown in FIG. 1
The outer positioning surface of revolution of revolving body.It can be chosen and be closed according to the position of the corresponding revolution positioning surface of thin-walled revolution workpiece 200 to be processed
Suitable clamping arm unit, and according to revolution positioning surface radial dimension, by clamping arm location and installation working rotary table 1 corresponding diameter
To at position.Effective vibration reduction support to thin-walled revolution workpiece 200 is realized by the vibration damping screw on clamping arm 22, and then guarantees clamping
Locating effect.
When needing other radial dimension of thin-walled revolution workpieces of Set and Positioning, directly by clamping arm together with clamping arm mounting base
It extracts, is inserted into the adjusting hole of corresponding position from work catching plate, realize rapid-assembling/disassembling.
In the present embodiment, the press end of the support column of clamping arm unit is arranged inwardly, is mainly used for thin-walled revolution workpiece
The outer positioning surface of revolution is supported positioning.When specifically used, it can also be directly inverted so that the press end of support column
It is outwardly disposed, at this point, can be used for being supported positioning to the interior positioning surface of revolution of thin-walled revolution workpiece.
The present invention also provides a kind of embodiments 2 of thin-walled revolution workpiece clamping tooling:
As shown in Figure 10, the difference with embodiment 1 essentially consists in: two sets are equipped on the leading flank of working rotary table
Clamping arm unit, a set of clamping arm unit be inner circle clamping unit 3, another set of clamping arm unit be outer circle clamping unit 2, two sets
The structure of clamping arm unit is identical, and the direction being simply installed on working rotary table is different, the structure of two suit clamping arm units with
The structure of clamping arm unit in embodiment 1 is identical, and details are not described herein.
In above-mentioned two embodiment, support column specifically uses vibration damping screw.In other embodiments, phase can also be used in support column
The pillar construction with rubber damping pad answered.
In above-mentioned two embodiment, multiple screw mounting holes extended along the longitudinal direction are set on clamping arm, it in this way can root
Suitable number of vibration damping screw is chosen according to the axial height of thin-walled revolution workpiece to be processed, achievees the purpose that rationally to utilize.?
In other embodiments, multiple vibration-damping screw nails can also be mounted directly on clamping arm, without dismounting back and forth again.
In above-mentioned two embodiment, clamping arm is mounted in clamping arm mounting base on to realize it along the longitudinal direction by removable
Position adjustment i.e. in working rotary table axial direction.In other embodiments, it if clamping arm length is scalable, also can satisfy
The support requirement of the thin-walled revolution workpiece of axially different length requirement.
Claims (10)
1. a kind of thin-walled revolution workpiece clamping tooling, it is characterised in that: the work extended along the longitudinal direction including center of rotation axis
Turntable (1), further includes the clamping arm unit for being mounted on working rotary table, and clamping arm unit includes multiple prolonging along the longitudinal direction
Stretch and for be equipped at intervals with along the longitudinal direction along the circumferentially spaced clamping arm (22) of working rotary table, each clamping arm (22) to
Few two support columns (4) for the revolution positioning surface press cooperation with corresponding thin-walled revolution workpiece (200), each support column (4) point
There is not be used to form the press end for the corresponding positioning cylindrical surface that coincide with the revolution positioning surface of the thin-walled revolution workpiece, work turns
Disk is equipped with different radial dimension of described fixed to obtain for making each clamping arm that can radially carry out position adjustment along working rotary table
The mounting structure of circle of position cylinder.
2. thin-walled revolution workpiece clamping tooling according to claim 1, it is characterised in that: the support column (4) is vibration damping branch
Dagger.
3. thin-walled revolution workpiece clamping tooling according to claim 2, it is characterised in that: the vibration reduction support column is removable
Fit over the vibration damping screw on corresponding clamping arm.
4. thin-walled revolution workpiece clamping tooling according to claim 3, it is characterised in that: on the clamping arm along the longitudinal direction
It is arranged at intervals with the screw mounting hole (222) of multiple mountable vibration damping screws.
5. thin-walled revolution workpiece clamping tooling as claimed in any of claims 1 to 4, it is characterised in that: the installation
Structure includes multiple radial adjusting hole units along the circumferentially-spaced distribution of working rotary table that the working rotary table is equipped with, each radial direction
Adjusting hole unit respectively includes the multiple adjusting holes (10) being distributed along working rotary table spaced radial, and each clamping arm (22) is installed in phase
In the clamping arm mounting base (21) answered, the clamping arm mounting base (21) along working rotary table radial position it is adjustable be mounted on it is corresponding
At radial adjusting hole unit.
6. thin-walled revolution workpiece clamping tooling according to claim 5, it is characterised in that: the clamping arm mounting base includes using
It is extended in the longitudinal in being installed with along the adjustable pedestal (210) being mounted on working rotary table of working rotary table radial position, pedestal
Installing arm (212), position is adjustable along the longitudinal direction removable is connected in corresponding installing arm for the clamping arm (22).
7. thin-walled revolution workpiece clamping tooling according to claim 6, it is characterised in that: the pedestal (210), which is equipped with, to be used
In the bolt mounting holes (211) of perforation corresponding with the adjusting hole of corresponding radial adjusting hole unit, the pedestal (210) is by installing
It is fixed on the working rotary table (1) the fastening bolt in the bolt mounting holes is removable.
8. thin-walled revolution workpiece clamping tooling according to claim 6, it is characterised in that: the clamping arm has and the peace
The fixed arm section (220) of the corresponding fastening assembly of dress arm (212) and the cantilevered leg section being overhung on front side of the installing arm (212)
(221), the width dimensions of cantilevered leg section gradually become smaller from the front to the back.
9. thin-walled revolution workpiece clamping tooling as claimed in any of claims 1 to 4, it is characterised in that: clamping tooling
With the clamping arm unit described in two sets, a set of clamping arm unit is inner circle clamping unit, the support column of inner circle clamping unit
Press end arranges that another set of clamping arm unit is outer circle clamping unit, the press end court of the support column of outer circle clamping unit inwardly
Outer arrangement.
10. thin-walled revolution workpiece clamping tooling as claimed in any of claims 1 to 4, it is characterised in that: the clamping
Position is adjustable along the longitudinal direction is mounted on the working rotary table for arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710743285.1A CN107538247B (en) | 2017-08-25 | 2017-08-25 | A kind of thin-walled revolution workpiece clamping tooling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710743285.1A CN107538247B (en) | 2017-08-25 | 2017-08-25 | A kind of thin-walled revolution workpiece clamping tooling |
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| CN107538247A CN107538247A (en) | 2018-01-05 |
| CN107538247B true CN107538247B (en) | 2019-07-16 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620927B (en) * | 2018-05-08 | 2020-03-27 | 武胜县锦雄机械有限责任公司 | Cylinder sleeve clamping device and clamping method thereof |
| CN109396883A (en) * | 2018-09-28 | 2019-03-01 | 济南铸信机械有限公司 | A kind of quick clamping device for vertical lathe |
| CN109926851B (en) * | 2019-04-18 | 2020-11-20 | 山西平阳重工机械有限责任公司 | Clamping tool and machining method for thin-wall cylindrical part with bell mouth |
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| DE102007006526B3 (en) * | 2007-02-06 | 2008-08-14 | Technische Universität Ilmenau | Device e.g. clamping bolt, for centric deformation-poor clamping of thin-walled pipe, has bracket compensation element provided at arm, and bracket fixed against jaws for pressing and clamping pipe against jaws |
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| CN104209690A (en) * | 2014-09-03 | 2014-12-17 | 上海交通大学 | Flexible fixture for vertical assembling of large-size thin-wall cylindrical component |
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