CN207724122U - Hollow thin-wall shaft forgings processing and loading clamp fixture - Google Patents
Hollow thin-wall shaft forgings processing and loading clamp fixture Download PDFInfo
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- CN207724122U CN207724122U CN201721669234.0U CN201721669234U CN207724122U CN 207724122 U CN207724122 U CN 207724122U CN 201721669234 U CN201721669234 U CN 201721669234U CN 207724122 U CN207724122 U CN 207724122U
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Abstract
The utility model discloses a kind of hollow thin-wall shaft forgings processing and loading clamp fixtures, it is fixed on process equipment in the axis clamping to be processed that need to process one end, the outer circle of axis to be processed is equipped with the external splines for transmitting torque, the inner circle of axis to be processed is equipped with the positioning surface for installing positioning, and hollow thin-wall shaft forgings processing and loading clamp fixture includes：Connecting seat for being connected with process equipment, connecting seat are in hollow tubular and one end open, are inserted into its hollow axis hole for the connecting pin for axis to be processed, and the inner wall of hollow axis hole is equipped with and the matched internal spline of external splines.The strain component for tensing axis to be processed is equipped in hollow axis hole, strain component is connected with connecting seat and compresses positioning surface so that axis to be processed to be tightened in along the axis direction of hollow axis hole in hollow axis hole.The fixture of the utility model, it is simple in structure, manufacture maintenance cost it is low, clamping is easy to operate, reliable and stable after clamping, part is unlikely to deform after clamping, to can guarantee part processing after quality.
Description
Technical field
The utility model is related to hollow thin-wall Machining of Shaft-type Parts fields, particularly, are related to a kind of hollow thin-wall shaft forgings
Processing and loading clamp fixture.
Background technology
The requirement on machining accuracy of axis 10 to be processed is very high, as shown in attached drawing Fig. 1, flatness 0.005, and require coloring inspection
Look into area be more than 95%, beating degree 0.005, the depth of parallelism 0.003, dimensional tolerance 0.023, roughness 0.8.Finish (grinding) the
It is general to use radial folder (rising) tight or the clamping method of axial compression when one machined surface 101 and the second machined surface 102, in inner circle
It is processed on grinding machine.
When outer circle clamping or endoporus tensioner clamping, outer circle or tensioner endoporus is clamped using special tensioning clamper, part is carried out
Positioning is fixed.Special tensioning clamper not only manufactures and designs the circle after complicated, manufacturing cycle length, maintenance cost height and fixture tensioner
Degree and the bad parts fixation that is easy to cause of the roundness control of part tensioner position outer circle (or endoporus) deform, to influence part
Processing quality.
When the clamping of axial compression, side 103 is installed using special fixture positioning retaining element big end.Fixture is by tube-like base
+ six block pressur plates form, simple in structure, need sufficiently large pressing force that could meet retaining element and part rotation is driven to be ground
The needs cut.Since pressing plate pressing force acts on the stop portion of part one end, the thin only 2.5mm of wall at this, and pressing plate compresses at six
Power is inconsistent, to be easy to cause parts fixation deformation, and then influences the processing quality of part.
And outer circle clamping or the installation way of endoporus tensioner or the installation way of axial compression are either used, due to
The size of clamping force, expanding force and pressing force can not carry out effectively measuring and monitoring, qualified so as to cause the processing of part
Rate is very low, and loss due to spoiled work is high, seriously hinders research and production and is smoothed out.
Utility model content
The utility model provides a kind of hollow thin-wall shaft forgings processing and loading clamp fixture, is deposited with solving existing installation way
Fixture manufacture it is complicated, easily lead to parts fixation deformation after the manufacturing cycle is long, maintenance cost is high and clamping the technical issues of.
The technical solution adopted in the utility model is as follows：
A kind of hollow thin-wall shaft forgings processing and loading clamp fixture, the axis clamping to be processed for that need to process one end, which is fixed to, to be added
On construction equipment, the outer circle of axis to be processed is equipped with the external splines for transmitting torque, and the inner circle of axis to be processed is equipped with for pacifying
The positioning surface of position is set, hollow thin-wall shaft forgings processing and loading clamp fixture includes：Connecting seat for being connected with process equipment, connection
Seat is in hollow tubular and one end open, is inserted into its hollow axis hole for the connecting pin for axis to be processed, the inner wall of hollow axis hole
It is equipped with and the matched internal spline of external splines；The strain component for tensing axis to be processed, strain component are equipped in hollow axis hole
It is connected with connecting seat and compresses positioning surface so that axis to be processed to be tightened in along the axis direction of hollow axis hole in hollow axis hole.
Further, strain component includes pull rod, and the first end of pull rod is connected with the blind end of connecting seat, is oppositely arranged
Second end along axis to be processed axis direction pass through axis to be processed after it is protruding；It is installed in the outer circle of pull rod second end useful
In compressing positioning surface with the locking member locked after tensing axis to be processed towards its connecting pin.
Further, pull rod is that both ends are machined with externally threaded threaded rod respectively；The first end of threaded rod and connecting seat
Blind end is threadedly coupled, and the second end being oppositely arranged upwardly extends after passing through axis to be processed；Locking member is threadedly connected to screw thread
In the outer circle of bar second end.
Further, locking member includes the locking nut spiral shell for compressing positioning surface and locking the locking nut of axis to be processed
Line is connected on threaded rod.
Further, locking member further includes the gasket for being set between locking nut and positioning surface, and gasket is arranged in
On threaded rod.
Further, the confined planes for resting against limit, the end of connecting seat open end are additionally provided in the outer circle of axis to be processed
Face is to coordinate the limit end face limited with the length stretched into hollow axis hole to axis to be processed with confined planes.
Further, connecting seat includes the connecting plate for being fixedly connected with process equipment, is vertically connected on connecting plate
In the connecting cylinder of hollow tubular；Strain component is located in connecting cylinder and is connected with connecting plate.
The utility model has the advantages that：
When axis to be processed using the hollow thin-wall shaft forgings processing and loading clamp fixture clamping of the utility model, first by connecting seat
It is fixed on process equipment, then the connecting pin of axis to be processed is inserted by the open end of connecting seat in its hollow axis hole, makes to wait for
The internal spline of the external splines and connecting seat of processing axis coordinates to position and transmit torque, is then positioned again by strain component low pressure
Face along the axis direction of hollow axis hole being strained and fixed axis to be processed in hollow axis hole.Outer circle compared with prior art
It clamps or endoporus tensioner installation way and axial compression installation way, in the fixture of the utility model, utilizes axis to be processed itself
Design feature and working condition be designed, that is, utilize external splines and internal spline to coordinate to position and transmit torque, utilize drawing
Tight component is strained and fixed after compressing positioning surface, and not only clamp structure is simple, manufacture maintenance cost is low, clamping is easy to operate, clamping
It is reliable and stable afterwards, it is often more important that, part is unlikely to deform after clamping, to can guarantee the quality after part processing, is met high-precision
The requirement on machining accuracy for spending the weak stiff shaft of thin-walled, makes the qualification rate of product greatly increase, meanwhile, the design concept of the utility model
It can be applied in other weak rigid product field of machining of class high-precision thin-walled, there is extensive promotional value.
Other than objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Description of the drawings
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.In attached drawing
In：
Fig. 1 is the schematic cross-sectional view of axis to be processed；
Fig. 2 is the sectional structure signal of the hollow thin-wall shaft forgings processing and loading clamp fixture of the preferred embodiment in the utility model
Figure；
Structural schematic diagram when Fig. 3 is fixture clamping in Fig. 2 axis to be processed.
Marginal data
10, axis to be processed；101, the first machined surface；102, the second machined surface；103, part big end installs side；104, it positions
Face；105, confined planes；106, external splines；30, connecting seat；301, hollow axis hole；302, internal spline；31, connecting plate；32, it connects
Cylinder；40, strain component；41, pull rod；421, locking nut；422, gasket.
Specific implementation mode
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
Referring to figs. 1 to Fig. 3, the preferred embodiment of the utility model provides a kind of hollow thin-wall shaft forgings processing and loading clamp folder
Tool, 10 clamping of axis to be processed for that need to process one end are fixed to process equipment (not shown), the outer circle of axis 10 to be processed
It is equipped with the external splines 106 for transmitting torque, the inner circle of axis 10 to be processed is equipped with the positioning surface 104 for installing positioning,
Hollow thin-wall shaft forgings processing and loading clamp fixture includes：Connecting seat 30 for being connected with process equipment, connecting seat 30 are in hollow cylinder
Shape and one end open are inserted into its hollow axis hole 301 for the connecting pin for axis 10 to be processed, on the inner wall of hollow axis hole 301
Equipped with the matched internal spline of external splines 302.The strain component 40 for tensing axis 10 to be processed is equipped in hollow axis hole 301,
Strain component 40 is connected with connecting seat 30 and compresses positioning surface 104 with the axis direction by axis 10 to be processed along hollow axis hole 301
It is tightened in hollow axis hole 301.
It, first will connection when axis 10 to be processed using the hollow thin-wall shaft forgings processing and loading clamp fixture clamping of the utility model
Seat 30 is fixed on process equipment, its hollow axis hole is then inserted into the connecting pin of axis 10 to be processed by the open end of connecting seat 30
In 301, to position and transmit torque, then again the external splines 106 and the internal spline 302 of connecting seat 30 that make axis 10 to be processed coordinate
By 40 low pressure positioning surface 104 of strain component being strained and fixed axis 10 to be processed in sky along the axis direction of hollow axis hole 301
In arbor hole 301.Outer circle compared with prior art clamps or endoporus tensioner installation way and axial compression installation way, this
It in the fixture of utility model, is designed using the design feature and working condition of axis 10 to be processed itself, that is, utilizes external splines
106 coordinate with internal spline 302 to position and transmit torque, are strained and fixed after compressing positioning surface 104 using strain component 40, not only
Clamp structure is simple, manufacture maintenance cost is low, clamping is easy to operate, reliable and stable after clamping, it is often more important that, part after clamping
It is unlikely to deform, to can guarantee the quality after part processing, meets the requirement on machining accuracy of the weak stiff shaft of high-precision thin-walled, make production
The qualification rate of product greatly increases, meanwhile, it is weak just that the design concept of the utility model can be applied to other class high-precision thin-walleds
Property product field of machining in, have extensive promotional value.
Optionally, as shown in Figures 2 and 3, strain component 40 includes pull rod 41, first end and the connecting seat 30 of pull rod 41
Blind end is connected, and the second end being oppositely arranged is protruding after axis 10 to be processed along the axis direction of axis 10 to be processed.
Be installed in the outer circle of 41 second end of pull rod for compress positioning surface 104 with by axis 10 to be processed towards its connecting pin tense after lock
Locking member.
In the utility model, pull rod 41 is that both ends are machined with externally threaded threaded rod respectively.The first end of threaded rod and company
The blind end of joint chair 30 is threadedly coupled, and the second end being oppositely arranged upwardly extends after passing through axis 10 to be processed.Locking member screw thread
It is connected in the outer circle of threaded rod second end.
In the utility model, locking member includes for compressing positioning surface 104 and locking the locking nut of axis 10 to be processed
421, locking nut 421 is threadedly connected on threaded rod.Preferably, as shown in Figures 2 and 3, locking member further includes for being arranged
Gasket 422 between locking nut 421 and positioning surface 104, gasket 422 is arranged on threaded rod.
When clamping, axis 10 to be processed is made to be arranged on pull rod 41 first, and the external splines 106 and connecting seat of axis to be processed 10
30 internal spline 302 coordinates, and then turning locking nut 421 makes gasket 422 compress positioning surface 104, you can by axis 10 to be processed
It is strained and fixed in hollow axis hole 301.
Preferably, as shown in Figures 2 and 3, to prevent the connecting pin of axis 10 to be processed from supporting the blind end of hollow axis hole 301
And lead to crimp under the action of tightening force of axis 10 to be processed when making to turn locking nut 421, in this preferred embodiment, wait for
It processes in the outer circle of axis 10 and is additionally provided with confined planes 105 for resting against limit, the end face of 30 open end of connecting seat is and confined planes
The limit end face that 105 cooperations are limited with the length stretched into hollow axis hole 301 to axis 10 to be processed, to effectively prevent waiting for
Processing axis 10 its connecting pin under the action of tightening force is deformed because supporting the blind end of hollow axis hole 301.
Optionally, as shown in Fig. 2, connecting seat 30 includes the connecting plate 31 for being fixedly connected with process equipment, connecting plate
The connecting cylinder 32 in hollow tubular is vertically connected on 31.Strain component 40 is located in connecting cylinder 32 and is connected with connecting plate 31.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of hollow thin-wall shaft forgings processing and loading clamp fixture, which is characterized in that the axis to be processed for one end need to be processed
(10) clamping is fixed on process equipment, and the outer circle of the axis (10) to be processed is equipped with the external splines for transmitting torque
(106), the inner circle of the axis to be processed (10) is equipped with the positioning surface (104) for installing positioning, the hollow thin-wall axis class
Part processing and loading clamp fixture includes：
Connecting seat (30) for being connected with the process equipment, the connecting seat (30) are in hollow tubular and one end open, are used
It is inserted into its hollow axis hole (301) in the connecting pin for the axis (10) to be processed, is set on the inner wall of the hollow axis hole (301)
Have and the external splines (106) matched internal spline (302)；
The strain component (40) for tensing the axis to be processed (10), the tension structure are equipped in the hollow axis hole (301)
Part (40) be connected with the connecting seat (30) and compress the positioning surface (104) with by the axis (10) to be processed along described hollow
The axis direction of axis hole (301) is tightened in the hollow axis hole (301).
2. hollow thin-wall shaft forgings processing and loading clamp fixture according to claim 1, which is characterized in that
The strain component (40) includes pull rod (41), the blind end of the first end and the connecting seat (30) of the pull rod (41)
It is connected, the second end being oppositely arranged passes through the axis (10) to be processed outside afterwards along the axis direction of the axis (10) to be processed
It stretches out；
It is installed in the outer circle of pull rod (41) second end for compressing the positioning surface (104) with by the axis to be processed
(10) locking member locked after being tensed towards its connecting pin.
3. hollow thin-wall shaft forgings processing and loading clamp fixture according to claim 2, which is characterized in that
The pull rod (41) is that both ends are machined with externally threaded threaded rod respectively；
The first end of the threaded rod is threadedly coupled with the blind end of the connecting seat (30), and the second end being oppositely arranged passes through
It is upwardly extended after the axis to be processed (10)；
The locking member is threadedly connected in the outer circle of the threaded rod second end.
4. hollow thin-wall shaft forgings processing and loading clamp fixture according to claim 3, which is characterized in that
The locking member includes for compressing the positioning surface (104) and locking the locking nut of the axis to be processed (10)
(421), the locking nut (421) is threadedly connected on the threaded rod.
5. hollow thin-wall shaft forgings processing and loading clamp fixture according to claim 4, which is characterized in that
The locking member further includes the gasket for being set between the locking nut (421) and the positioning surface (104)
(422), the gasket (422) is arranged on the threaded rod.
6. hollow thin-wall shaft forgings processing and loading clamp fixture according to claim 2, which is characterized in that
The confined planes (105) for resting against limit are additionally provided in the outer circle of the axis to be processed (10), the connecting seat (30) is opened
The end face at mouth end is to coordinate to be stretched into the hollow axis hole (301) to the axis (10) to be processed with the confined planes (105)
The limit end face that is limited of length.
7. hollow thin-wall shaft forgings processing and loading clamp fixture according to claim 1, which is characterized in that
The connecting seat (30) includes the connecting plate (31) for being fixedly connected with the process equipment, on the connecting plate (31)
It is vertically connected with the connecting cylinder (32) in hollow tubular；
The strain component (40) is located in the connecting cylinder (32) and is connected with the connecting plate (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721669234.0U CN207724122U (en) | 2017-12-04 | 2017-12-04 | Hollow thin-wall shaft forgings processing and loading clamp fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721669234.0U CN207724122U (en) | 2017-12-04 | 2017-12-04 | Hollow thin-wall shaft forgings processing and loading clamp fixture |
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| Publication Number | Publication Date |
|---|---|
| CN207724122U true CN207724122U (en) | 2018-08-14 |
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| CN201721669234.0U Active CN207724122U (en) | 2017-12-04 | 2017-12-04 | Hollow thin-wall shaft forgings processing and loading clamp fixture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402692A (en) * | 2018-12-07 | 2019-03-01 | 中国航发南方工业有限公司 | Outer circle parcel plating part dress clip tool |
| CN109482924A (en) * | 2018-12-18 | 2019-03-19 | 珠海格力智能装备有限公司 | Clamping structure and machine tool with same |
| CN110712127A (en) * | 2019-09-20 | 2020-01-21 | 中国航发南方工业有限公司 | Composite grinding clamp and rotating shaft machining method |
| CN112692734A (en) * | 2020-12-22 | 2021-04-23 | 中船重工龙江广瀚燃气轮机有限公司 | Rear journal shot blasting method for gas turbine |
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- 2017-12-04 CN CN201721669234.0U patent/CN207724122U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402692A (en) * | 2018-12-07 | 2019-03-01 | 中国航发南方工业有限公司 | Outer circle parcel plating part dress clip tool |
| CN109402692B (en) * | 2018-12-07 | 2020-04-21 | 中国航发南方工业有限公司 | Part is electroplated with dress hanger clamp to excircle part |
| CN109482924A (en) * | 2018-12-18 | 2019-03-19 | 珠海格力智能装备有限公司 | Clamping structure and machine tool with same |
| CN109482924B (en) * | 2018-12-18 | 2024-03-08 | 珠海格力智能装备有限公司 | Clamping structure and machine tool with same |
| CN110712127A (en) * | 2019-09-20 | 2020-01-21 | 中国航发南方工业有限公司 | Composite grinding clamp and rotating shaft machining method |
| CN112692734A (en) * | 2020-12-22 | 2021-04-23 | 中船重工龙江广瀚燃气轮机有限公司 | Rear journal shot blasting method for gas turbine |
| CN112692734B (en) * | 2020-12-22 | 2022-07-01 | 中船重工龙江广瀚燃气轮机有限公司 | Rear journal shot blasting method for gas turbine |
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