CN106624936A - Auxiliary clamping device for die forging blades - Google Patents
Auxiliary clamping device for die forging blades Download PDFInfo
- Publication number
- CN106624936A CN106624936A CN201611164134.2A CN201611164134A CN106624936A CN 106624936 A CN106624936 A CN 106624936A CN 201611164134 A CN201611164134 A CN 201611164134A CN 106624936 A CN106624936 A CN 106624936A
- Authority
- CN
- China
- Prior art keywords
- die forging
- blade
- holding device
- pressing plate
- auxiliary holding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses an auxiliary clamping device, in particular to the auxiliary clamping device for die forging blades, and belongs to the technical field of numerical control machining. The auxiliary clamping device for the die forging blades comprises a base; two pressing plates forming a V shape are arranged on the base; a plurality of first studs used for clamping blade roots to be machined are arranged on the pressing plates; and center mechanisms used for positioning the blades are arranged between the two pressing plates. The auxiliary clamping device for the die forging blades has the advantages that the blades can be clamped reliably, the vibration of the blades in the machining process is avoided, the noise pollution is reduced, the service life of cutter blades and main shafts of machining machine tools is prolonged, and the machining quality of the blades is improved.
Description
Technical field
The present invention relates to a kind of auxiliary holding device, particularly a kind of auxiliary holding device for die forging blade, belong to
Numerical control adds technical field.
Background technology
The end of generally die forging blade blank is provided with blade root, and the end of blade root is additionally provided with shorter narrower technique head.
In prior art, the purpose for generally adopting three thimble state method of clamping to clamp blade root technique head to reach clamping blade, institute
Meaning three thimble state method of clamping be：Respectively it is distributed 1 puller bolt on fixed block up and down, 1 is provided between two fixed blocks and is determined
Position thimble, by way of positioning thimble positioning process head and 2 puller bolts hold out against technique head blade is clamped.
Three thimble state method of clamping are little due to the lifting surface area of retaining part, the especially large-scale die forging leaf of die forging blade
Piece easily vibrates in process, and the noise pollution of generation is serious, and causes the blade of machining tool abnormal mill faster
Damage, even result in blade and burst apart, reduce the service life of blade；And also result in the main shaft of lathe when vibrating excessive and seriously surpass
Carry, make main shaft irregular wear faster, reduce the service life of main shaft；In addition the rigidity of clamping is not enough, is adding blade
Cutting deformation is excessive during work, causes the uneven thickness of blade processing, seriously reduces the crudy of blade.
The content of the invention
The present invention goal of the invention be：For above-mentioned problem, there is provided a kind of additional lock for die forging blade
Device is held, the present invention can reliably clamp blade, it is to avoid blade vibrates in process, reduce noise pollution, improved
The blade of machining tool and the service life of main shaft, improve the crudy of blade.
The technical solution used in the present invention is as follows：
A kind of auxiliary holding device for die forging blade, including pedestal, are provided with 2 pressing plates to form V-arrangement, pressing plate on pedestal
On be provided with multiple the first studs for clamping blade root to be processed, be additionally provided between two pressing plate for blade positioning
Tip mechanism.The blade root of die forging blade generally to be processed is isosceles trapezoid, and 2 pressing plates form the design of V-arrangement, Neng Gougeng
The shape of good matching blade root, makes the first stud form the V-arrangement being adapted with blade root and holds out against face during clamping, be conducive to the first stud
More reliable clamps blade root, it is to avoid process Leaf vibrates, and the design of tip mechanism improves the positioning precision of blade,
Be conducive to improving the machining accuracy of blade.
Further, the pressing plate is removably assemblied on pedestal by bolt.It is easy to the installation and removal of pressing plate.
A kind of auxiliary holding device for die forging blade of the present invention, first stud is perpendicular to blade and blade to be processed
The clamping face of root, the center line of the first stud has the first angle with the blade root cross section of blade to be processed.First stud is vertical
In the clamping face of blade root, ensure that clamping is reliable and stable.
Further, first angle is 10 ° -15 °.When holding out against blade root, blade root born from the first stud
Pressure will be decomposed into and hold out against vertical component and axial horizontal component；Blade root is usually isosceles trapezoid, and the angle of two stringcourses is general
For 20 ° -30 °, in order to preferably match blade root clamping reliability is ensured, and the axial horizontal component of reduction avoids blade from moving vertically
Dynamic, the first angle is optimal when being 10 ° -15 °.
A kind of auxiliary holding device for die forging blade of the present invention, first stud is symmetrically distributed in pressing plate length
Pressing plate split both sides on direction, and the center line of the first stud has the second angle with pressing plate split.When holding out against blade root,
Increase the pressure from both sides while axial thrust load can be reduced, it is to avoid blade is to any one side shifting, it is ensured that clamping reliability.
Further, first stud can simultaneously point to pressing plate middle part, can also simultaneously point to pressing plate two ends.It is preferred that
, first stud points to pressing plate middle part simultaneously.
Further, second angle is 10 ° -15 °.
A kind of auxiliary holding device for die forging blade of the present invention, is evenly equipped with 2 and ranked first stud on each pressing plate,
Often arrange 4.Blade root distribution of force can be made uniform, while more holds out against a little, thrust can be increased, improve the reliability of clamping
Property.
A kind of auxiliary holding device for die forging blade of the present invention, the tip mechanism includes being arranged in pedestal
Center sleeve and the spring being assemblied on center sleeve, are set with top in center sleeve and spring, the tip mechanism also includes arranging
Top backboard on pedestal is used for the second stud for adjusting top extension elongation with being assemblied on top backboard.By the second spiral shell
Post holddown spring adjusts the design of top extension elongation, is easy to the assembly or disassembly of blade to be processed.
Further, the center sleeve can be structure as a whole with pedestal, can also be Split type structure.Preferably, it is described
Center sleeve is Split type structure with pedestal.After being easy to center sleeve abrasion, center sleeve is changed.
Further, the top backboard is removably assemblied on pedestal by bolt.It is easy to the installation of tip mechanism
And dismounting, it is easy to the replacing of parts.
A kind of auxiliary holding device for die forging blade of the present invention, the tip mechanism has 2, is distributed in pressing plate long
Pressing plate split both sides on degree direction.Positioning precision can be improved.
Further, the top of one of tip mechanism is first top, and first top one end is cone, another
The top of tip mechanism is second top, and second top one end is to be provided with 2 in reducer and cone, and reducer and cone
Individual inclined-plane.The end of the blade root of die forging blade blank to be processed is additionally provided with technique head, is provided with technique head for top fixed
2 centre bores of position, and the distance of two centre bores has unavoidably certain deviation；The purpose of the second top design is, not shadow
It is easy to locating blades while ringing positioning precision, it is to avoid the presence of deviation causes the situation of location difficulty.
A kind of auxiliary holding device for die forging blade of the present invention, the pedestal includes main shaft joint and is assemblied in master
Locating centre seat on shaft coupling, the pressing plate and tip mechanism are assemblied on locating centre seat.The processing of pedestal can be reduced
Difficulty and processing cost.
Further, the main shaft joint and locating centre seat are removably connected by bolt.Be easy to main shaft joint and
Installation and removal between locating centre seat.
In sum, as a result of above-mentioned technical proposal, the invention has the beneficial effects as follows：
A kind of auxiliary holding device for die forging blade of the present invention, can reliably clamp blade, it is to avoid blade is adding
Vibrate during work, reduce noise pollution, improve the blade of machining tool and the service life of main shaft, that improves blade adds working medium
Amount.
Description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is a kind of front view of the auxiliary holding device for die forging blade；
Fig. 2 is a kind of top view of the auxiliary holding device for die forging blade；
Fig. 3 is a kind of side view of the auxiliary holding device for die forging blade；
Fig. 4 is the first top front view；
Fig. 5 is the second top front view；
Fig. 6 is the second top side view.
Mark in figure：1- main shaft joints, 2- locating centre seats, 3- pressing plates, the studs of 31- first, 4- tip mechanisms, 41-
The top backboard of two studs, 42-, 43- springs, 44- are top, 441- first is top, 442- second is top, 45- center sleeves, 5- leaves
Root, A- blade roots cross section, B- pressing plate splits, α-the first angles, β-the second angles.
Specific embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine by any way.
Any feature disclosed in this specification, unless specifically stated otherwise, can be equivalent or with similar purpose by other
Alternative features are replaced.I.e., unless specifically stated otherwise, each feature is an example in a series of equivalent or similar characteristics
.
A kind of auxiliary holding device for die forging blade of the present embodiment, as shown in Figure 1, Figure 2 and Figure 3, including pedestal,
2 pressing plates 3 to form V-arrangement are provided with pedestal, multiple the first spiral shells for clamping blade root to be processed are provided with pressing plate 3
Post 31, is additionally provided with for the tip mechanism 4 of blade positioning between two pressing plate 3.The blade root of die forging blade generally to be processed
For isosceles trapezoid, the design of 2 pressing plates formation V-arrangements, the shape of blade root can be preferably matched, the first stud-shape is made during clamping
Into with blade root be adapted V-arrangement hold out against face, be conducive to the first stud it is more reliable clamp blade root, it is to avoid process Leaf
Vibration, the design of tip mechanism improves the positioning precision of blade, is conducive to improving the machining accuracy of blade.
For the ease of the installation and removal of pressing plate, further, in another embodiment, the pressing plate 3 can by bolt
That what is dismantled is assemblied on pedestal.When typically laying large-scale die forging blade to be processed, the pressing plate of upside is dismantled first, Ran Houan
Foliation piece, then the pressing plate of upside is installed；Therefore dismountable bolt connection is easy to the installation and removal of pressing plate, be conducive to laying
Blade.
Based on the further optimization of the present embodiment, in another embodiment, first stud 31 is perpendicular to be processed
The clamping face of blade root 5, the center line of the first stud 31 has the first angle α with the blade root cross section A of blade to be processed.The
One stud ensure that clamping is reliable and stable perpendicular to the clamping face of blade root.
Further, in another embodiment, first angle α is 10 ° -15 °.When holding out against blade root, blade root is born
The pressure from the first stud will be decomposed into and hold out against vertical component and axial horizontal component；Blade root is usually isosceles trapezoid, and
The angle of two stringcourses is generally 20 ° -30 °, and in order to preferably match blade root clamping reliability is ensured, and the axial horizontal component of reduction is kept away
Exempt from blade to be axially moveable, the first angle is optimal when being 10 ° -15 °.
Based on the further optimization of the present embodiment, in another embodiment, first stud 31 is symmetrically distributed in pressure
Pressing plate split B both sides on the length direction of plate 3, and the center line of the first stud 31 has the second angle with pressing plate split B
β.When holding out against blade root, the pressure from both sides is increased while can reducing axial thrust load, it is to avoid blade to any one side shifting,
Ensure clamping reliability.
Further, in another embodiment, first stud 31 can simultaneously point to the middle part of pressing plate 3, can also be same
The two ends of Shi Zhixiang pressing plates 3.Preferably, in another embodiment, first stud 31 points to the middle part of pressing plate 3 simultaneously.
Further, in another embodiment, the second angle β is 10 ° -15 °.
Based on the further optimization of the present embodiment, in another embodiment, it is evenly equipped with 2 on each pressing plate 3 and ranked first
Stud 31, often arranges 4.Blade root distribution of force can be made uniform, while more holds out against a little, thrust can be increased, improve dress
The reliability of folder.
Can be top 44 be directly arranged on pedestal in another embodiment as the tip mechanism of blade positioning.
In order to adjust top extension elongation, it is easy to assembly or disassembly blade to be processed, based on the further excellent of the present embodiment
Change, in another embodiment, the tip mechanism 4 includes the center sleeve 45 being arranged in pedestal and is assemblied on center sleeve 45
Top 44 are set with spring 43, center sleeve 45 and spring 43, the tip mechanism 4 also includes the top back of the body being arranged on pedestal
Plate 42 is used for the second stud 41 for adjusting top extension elongation with being assemblied on top backboard 42.By the second stud holddown spring
The design of top extension elongation is adjusted, is easy to the assembly or disassembly of blade to be processed.
Further, in another embodiment, the center sleeve 45 can be structure as a whole with pedestal, can also be split
Structure.Preferably, in another embodiment, the center sleeve 45 and pedestal are Split type structure.After being easy to center sleeve abrasion, change
Center sleeve.
Further, in another embodiment, the top backboard 42 is removably assemblied on pedestal by bolt.Just
In the installation and removal of tip mechanism, it is easy to the replacing of parts.
In order to improve positioning precision.Based on the further optimization of the present embodiment, in another embodiment, the top machine
Structure 4 has 2, the pressing plate split B both sides being distributed on the length direction of pressing plate 3.
Further, in another embodiment, top the 44 of one of tip mechanism 4 are first top 441, the first top
One end of point 441 is cone, as shown in figure 4, top the 44 of another tip mechanism 4 is second top 442, second top 442
One end be to be provided with 2 inclined-planes in reducer and cone, and reducer and cone, as shown in Figure 5 and Figure 6.Die forging to be processed
The end of the blade root of blade blank is additionally provided with technique head, is provided with 2 centre bores for top positioning on technique head, and two
The distance of centre bore has unavoidably certain deviation；The purpose of the second top design be while not affecting positioning precision just
In locating blades, it is to avoid the presence of deviation causes the situation of location difficulty.Preferably, described second top 442 reducer and
2 inclined-planes in cone are symmetrical.
In order to reduce the difficulty of processing and processing cost of pedestal.Based on the further optimization of the present embodiment, in another reality
In applying example, the pedestal includes main shaft joint 1 and the locating centre seat 2 that is assemblied on main shaft joint 1, the pressing plate 3 and top
Mechanism 4 is assemblied on locating centre seat 2.
Further, in another embodiment, the main shaft joint 1 and locating centre seat 2 are removably connected by bolt
Connect.The installation and removal being easy between main shaft joint and locating centre seat.
In sum, using a kind of auxiliary holding device for die forging blade of the present invention, can reliably clamp
Blade, it is to avoid blade vibrates in process, reduces noise pollution, improves the blade of machining tool and the use longevity of main shaft
Life, improves the crudy of blade.
The invention is not limited in aforesaid specific embodiment.The present invention is expanded to and any in this manual disclosed
New feature or any new combination, and the arbitrary new method that discloses or the step of process or any new combination.
Claims (10)
1. a kind of auxiliary holding device for die forging blade, it is characterised in that：Including pedestal, it is provided with to form V-arrangement on pedestal
2 pressing plates（3）, pressing plate（3）On be provided with multiple the first studs for clamping blade root to be processed（31）, two pressure
Plate（3）Between be additionally provided with for blade positioning tip mechanism（4）.
2. a kind of auxiliary holding device for die forging blade according to claim 1, it is characterised in that：First spiral shell
Post（31）Perpendicular to blade root to be processed（5）Clamping face, the first stud（31）Center line and blade to be processed blade root
Cross section（A）With the first angle（α）.
3. a kind of auxiliary holding device for die forging blade according to claim 2, it is characterised in that：First folder
Angle（α）For 10 ° -15 °.
4. a kind of auxiliary holding device for die forging blade according to claim 1, it is characterised in that：First spiral shell
Post（31）It is symmetrically distributed in pressing plate（3）Pressing plate split on length direction（B）Both sides, and the first stud（31）Center line with
Pressing plate（3）Split has（B）There is the second angle（β）.
5. a kind of auxiliary holding device for die forging blade according to claim 4, it is characterised in that：Second folder
Angle（β）For 10 ° -15 °.
6. a kind of auxiliary holding device for die forging blade according to claim 1, it is characterised in that：Each pressing plate
（3）On be evenly equipped with 2 and ranked first stud（31）, often arrange 4.
7. a kind of auxiliary holding device for die forging blade according to claim 1, it is characterised in that：The top machine
Structure（4）Including the center sleeve being arranged in pedestal（45）Be assemblied in center sleeve（45）On spring（43）, center sleeve（45）With
Spring（43）Inside it is set with top（44）, the tip mechanism（4）Also include the top backboard being arranged on pedestal（42）And dress
It is assigned in top backboard（42）Upper the second stud for being used to adjust top extension elongation（41）.
8. a kind of auxiliary holding device for die forging blade according to claim 1, it is characterised in that：The top machine
Structure（4）There are 2, be distributed in pressing plate（3）Pressing plate split on length direction（B）Both sides.
9. a kind of auxiliary holding device for die forging blade according to claim 7 or 8, it is characterised in that：Wherein one
Individual tip mechanism（4）It is top（44）It is top for first（441）, first is top（441）One end be cone, another top machine
Structure（4）It is top（44）It is top for second（442）, second is top（442）One end be reducer and cone, and reducer and cone
2 inclined-planes are provided with body.
10. a kind of auxiliary holding device for die forging blade according to claim 1, it is characterised in that：The pedestal
Including main shaft joint（1）Be assemblied in main shaft joint（1）On locating centre seat（2）, the pressing plate（3）And tip mechanism（4）
It is assemblied in locating centre seat（2）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611164134.2A CN106624936A (en) | 2016-12-16 | 2016-12-16 | Auxiliary clamping device for die forging blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611164134.2A CN106624936A (en) | 2016-12-16 | 2016-12-16 | Auxiliary clamping device for die forging blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106624936A true CN106624936A (en) | 2017-05-10 |
Family
ID=58822994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611164134.2A Pending CN106624936A (en) | 2016-12-16 | 2016-12-16 | Auxiliary clamping device for die forging blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106624936A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110640497A (en) * | 2019-10-14 | 2020-01-03 | 中国航发航空科技股份有限公司 | Adjustable clamp for machining blade profile of large wide-chord fan |
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| CN204471236U (en) * | 2015-01-04 | 2015-07-15 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of turbine rotor blade special fixture |
| CN105666356A (en) * | 2016-04-06 | 2016-06-15 | 济南大学 | Clamp for V-shaped tenon root blades |
| CN206425863U (en) * | 2016-12-16 | 2017-08-22 | 四川绵竹鑫坤机械制造有限责任公司 | A kind of auxiliary holding device for die forging blade |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8151458B2 (en) * | 2008-02-21 | 2012-04-10 | United Technologies Corporation | Non-metallic cover for a fixture |
| CN102873558A (en) * | 2012-09-21 | 2013-01-16 | 西安交通大学 | Turbine blade clamp based on piezoelectric ceramics and quick posture adjusting method |
| CN203092194U (en) * | 2012-12-28 | 2013-07-31 | 东方电气集团东方汽轮机有限公司 | Positioning fixture for processing fungus-shaped blade roots |
| CN203390576U (en) * | 2013-08-08 | 2014-01-15 | 四川省自贡市海川实业有限公司 | Automatic balancing chuck |
| CN103894905A (en) * | 2014-04-01 | 2014-07-02 | 西北工业大学 | Numerical-control polishing method for air inlet and outlet edges of blade |
| CN204248650U (en) * | 2014-10-14 | 2015-04-08 | 中国石油天然气股份有限公司 | Blade shroud clamp for fir-shaped blade root |
| CN204471236U (en) * | 2015-01-04 | 2015-07-15 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of turbine rotor blade special fixture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110640497A (en) * | 2019-10-14 | 2020-01-03 | 中国航发航空科技股份有限公司 | Adjustable clamp for machining blade profile of large wide-chord fan |
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