CN109623443A - A kind of fixture suitable for mirror image milling curved sheets class part - Google Patents
A kind of fixture suitable for mirror image milling curved sheets class part Download PDFInfo
- Publication number
- CN109623443A CN109623443A CN201910068893.6A CN201910068893A CN109623443A CN 109623443 A CN109623443 A CN 109623443A CN 201910068893 A CN201910068893 A CN 201910068893A CN 109623443 A CN109623443 A CN 109623443A
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- China
- Prior art keywords
- column
- curved sheets
- class part
- sheets class
- clamping
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/065—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a kind of fixtures suitable for mirror image milling curved sheets class part, including pedestal, positioning plate, bottom locating piece, column, upper clamp mechanism, middle part clamping device, lower clamping mechanism；The column is fixed in pedestal by positioning plate, to constrain the movement of column in the axial direction；The bottom locating piece is connected to the lower outside of column, for constraining rotation of the column around axis；The upper clamp mechanism, middle part clamping device and lower clamping mechanism are connected to the upper, middle and lower portion of column, and can slide along column, for clamping the boundary position of curved sheets class part.Outer dimension of the present invention is relatively small, under the premise of not damaging thin plate, can flexible arrangement adapt to the thin plates of different sizes and curvature, and, front and rear sides reserved space is very big, especially suitable for mirror image milling curved sheets class part, solves existing curved sheets class part processing difficulties, the problems such as its assembly precision is difficult to ensure, positioning difficulty is big.
Description
Technical field
The present invention relates to fixture, in particular to a kind of fixture suitable for mirror image milling curved sheets class part is curved surface
Sheet parts provide clamping function, convenient to carry out Milling Process to it.
Background technique
In the processing and manufacturing of aerospace heavy parts, many parts belong to large aluminum alloy complex thin-wall structural member, thick
Degree is much smaller than length and width dimensions, and Integral Parts with Thin Walls material-removal rate is up to 90% or more, 8~4mm of average thickness, regional area
Thickness is less than 2mm.It since thin-walled parts poor rigidity, intensity are weak, is easily deformed in processing, causes difficulty of processing larger, it is difficult to protect
The processing quality of part is demonstrate,proved, and has mirror image Milling Process process, and whole surface is face to be processed, plain clamp is neither
Facilitate clamping, and is easy to interfere with milling cutter.
In fields such as aircraft, spacecraft, ships, there are a large amount of curved sheets class parts, since such part shape is each
It is different, and processing environment is different, therefore generallys use different special fixtures；Meanwhile the surface of curved sheets class part is complicated, it is difficult
Accurately to indicate that therefore, the processing of curved sheets class part is more difficult, and assembly precision is difficult to protect using mathematic(al) representation
Card, positioning difficulty are big.In view of the reason, it is necessary to propose the fixture of a kind of effective position and fixed curved surface plate parts.
Summary of the invention
The purpose of the present invention is overcoming deficiency in the prior art, provide a kind of suitable for mirror image milling curved sheets class zero
The fixture of part, present clip under the premise of not damaging thin plate, can flexible arrangement adapt to the thin plates of different sizes and curvature,
Also, front and rear sides reserved space is very big, especially suitable for mirror image milling curved sheets class part.
The technical scheme adopted by the invention is that: a kind of fixture suitable for mirror image milling curved sheets class part, including
Pedestal, positioning plate, bottom locating piece, column, upper clamp mechanism, middle part clamping device, lower clamping mechanism；The column
It is fixed in the pedestal by the positioning plate, to constrain the movement of the column in the axial direction；The bottom positioning
Block is connected to the lower outside of the column, for constraining the column around the rotation of axis；The upper clamp mechanism, middle part
Clamping device and lower clamping mechanism are connected to the upper, middle and lower portion of the column, and can slide along the column, are used for
Clamp the boundary position of curved sheets class part.
Further, the interior of the pedestal offers rotation hole, and the marginal position of the rotation hole is provided with axle sleeve, described
The inside of axle sleeve is smooth arc-shaped structure, and the lower outside cloth opposite with the bottom locating piece that the column is arranged in
It sets, the column is rotated along the inside of the axle sleeve.
Further, the groove and installation screw for connecting firmly with universal machine tools processing platform are provided on the pedestal.
Further, the column is divide into upper part and lower part, and top is hexagonal structure and is provided with along a tangential direction
Rectangular tooth socket, lower part are cylindrical structure and are provided with tooth socket in the axial direction；The bottom of the column is provided with for solid
The screw hole of fixed first screw, is connected firmly the positioning plate and the column by first screw.
Further, the inside of the bottom locating piece is arc-shaped structure, and is provided with the edge with the column lower part
The corresponding fixed tooth of the tooth socket of axis direction, the bottom locating piece pass through second after the column turns to required position
Axle sleeve on screw and the pedestal fastens, to limit the rotation of the column.
Further, the upper clamp mechanism, middle part clamping device and lower clamping mechanism include for being connected to
Connector on the column and the clamping piece for clamping curved sheets class part；The inner ring of the connector is to stand with described
The hexagonal structure that column top matches can slide on the top of the column；The clamping piece includes two panels clamping piece ontology,
Clamping piece ontology described in two panels is positioned opposite.
Wherein, the two sides of the connector are provided with movable positioning sliding block, are provided on the inside of the positioning sliding block
Square shaped teeth corresponding with the rectangular tooth socket on the column top is provided with third screw on the outside of the positioning sliding block, described
After upper clamp mechanism, middle part clamping device or lower clamping mechanism slide into required position, the third screw is screwed by institute
State any position that upper clamp mechanism, middle part clamping device or lower clamping mechanism are fixed on the column top.
Wherein, the top of the clamping piece of the upper clamp mechanism is provided with bending rib；The lower clamping mechanism
Clamping piece is provided with bending rib below.
Wherein, removable insole pieces, activity mat described in two panels are provided on the inside of the two panels clamping piece ontology of the clamping piece
Holding tank is formed between piece；It is provided with the 4th screw on the outside of removable insole pieces described in two panels, is caught in curved sheets class part
After in the holding tank, the 4th screws clamp curved sheets class part is screwed.
Wherein, the side of the removable insole pieces and curved sheets class feature contacts is soft rubber material.
The beneficial effects of the present invention are:
The arrangement of clamping device (upper clamp mechanism, middle part clamping device, lower clamping mechanism) corresponds to curved sheets class
The boundary of part is soft rubber material with sheet contacts face, can adapt to the curved profile of curved sheets class part to a certain degree, together
When can not need onboard to punch connection with the clamping of entire area.It can be to avoid the damage to thin plate.
Column is that prismatic pair connect and have positioning sliding block with clamping device, and for various sizes of thin plate, arbitrarily adjustment is pressed from both sides
Its boundary is fixed in the position of the position and pedestal of holding mechanism, there is a very high applicability.
Column and pedestal are that revolute pair connect and have bottom locating piece, for the curved sheets class part of different curvature,
After pedestal is fixed, entire column can be rotated to find the best angle of clamping curved sheets class part, entire mechanism also may be used
Clamping for common plane thin plate.There is preferable versatility in entire mechanism.
Column can be customized as needed and is lengthened or shortened, while clamping device thereon pairs of can increase or decrease,
Entire mechanism can be used as standardized frock clamp.
The outer dimension of entire fixture is relatively small, and the size of thin plate can be adapted to flexible arrangement, and front and rear sides are pre-
Spacing is very big, especially suitable for mirror image milling curved sheets class part.
Detailed description of the invention
Fig. 1: clamp structure schematic diagram of the invention；
Fig. 2: curved sheets class part schematic diagram is clamped using present clip；
Fig. 3: the assembling schematic diagram of column and pedestal of the invention；
Fig. 4: the assembling schematic diagram of clamping device and column of the invention.
Attached drawing mark: 1, pedestal；2, positioning plate；3, bottom locating piece；4, column；5, lower clamping mechanism；6, middle part
Clamping device；7, upper clamp mechanism；8, removable insole pieces；9, the first screw；10, the second screw；11, third screw；12, the 4th
Screw；13, positioning sliding block；14, curved sheets class part.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing
Detailed description are as follows:
As shown in attached Fig. 1 to Fig. 4, a kind of fixture suitable for mirror image milling curved sheets class part, including it is pedestal 1, fixed
Position bottom plate 2, bottom locating piece 3, column 4, upper clamp mechanism 7, middle part clamping device 6, lower clamping mechanism 5, removable insole pieces
8, positioning sliding block 13, screw etc..Wherein, the positioning plate 2 can constrain the movement of the column 4 in the axial direction, the bottom
Portion's locating piece 3 can constrain the column 4 around the rotation of axis, the lower clamping mechanism 5, middle part clamping device 6, top folder
Mechanism 7 is held to be capable of clamping the boundary position of curved sheets class part 14 and can slide along the column 4.Entire fixture needs make in pairs
With.
The pedestal 1 is used as clip base, and there are 3 coplanar positioning planes (i.e. groove) in lower surface, finishes, and can incite somebody to action
It is placed on the processing platform of lathe, and stays there are six installation screw, can additional screw make itself and universal machine tools processing platform
It connects firmly.Rotation hole is offered in the pedestal 1, the marginal position of the rotation hole is provided with axle sleeve, the inside of the axle sleeve
For smooth arc-shaped structure, and be arranged in the column 4 lower outside and the bottom locating piece 3 it is positioned opposite so that
The column 4 can be rotated along the inside of the axle sleeve.
The column 4 is hollow casting, is divide into upper part and lower part: top is hexagonal structure and is provided with along a tangential direction
Rectangular tooth socket, for finishing；Lower part is cylindrical structure and is provided with tooth socket in the axial direction, is also finishing.By institute
The lower part for stating column 4 is inserted into the rotation hole of the pedestal 1, and, setting is arranged at the bottom of the column 4, and there are three for fixing the
The screw hole of one screw 9 is connected firmly the positioning plate 2 and the column 4 by first screw 9, thus will be described vertical
Column 4 is fixed in the rotation hole of the pedestal 1, and is transition fit between the column 4 and the rotation hole of the pedestal 1.
The bottom locating piece 3 is connected to the lower outside of the column 4, positioned opposite with the axle sleeve.The bottom
The inside of locating piece 3 is arc-shaped structure, and is provided with corresponding solid with the tooth socket in the axial direction of 4 lower part of column
Fixed tooth, the bottom locating piece 3 is after the column 4 turns to required position by the second screw 10 and the pedestal 1
Axle sleeve fastening, can limit the rotation of the column 4.
The upper clamp mechanism 7, middle part clamping device 6 and lower clamping mechanism 5 are connected to the column 4
Upper, middle and lower portion, for clamping the boundary position of curved sheets class part 14.The upper clamp mechanism 7, middle part clamping device 6
It include connector for being connected on the column 4 and for clamping curved sheets class part 14 with lower clamping mechanism 5
Clamping piece.The inner ring of the connector is the hexagonal structure to match with 4 top of column, can be in the column 4
Top sliding；The two sides of the connector are provided with movable positioning sliding block 13, and the inside of the positioning sliding block 13 is provided with
Square shaped teeth corresponding with the rectangular tooth socket on 4 top of column, for finishing；The outside of the positioning sliding block 13 is provided with third
Screw 11 screws after the upper clamp mechanism 7, middle part clamping device 6 or lower clamping mechanism 5 slide into required position
The upper clamp mechanism 7, middle part clamping device 6 or lower clamping mechanism 5 can be fixed on described by the third screw 11
Any position on 4 top of column.
The clamping piece includes two panels clamping piece ontology positioned opposite, is respectively provided on the inside of clamping piece ontology described in two panels
There are removable insole pieces 8, forms holding tank between removable insole pieces 8 described in two panels；The outside of removable insole pieces 8 described in two panels is provided with
Four screws 12 screw the 4th screw 12 and make described in two panels after curved sheets class part 14 is caught in the holding tank
Removable insole pieces 8 clamp curved sheets class part 14 from the two sides of curved sheets class part 14.The removable insole pieces 8 and curved sheets
The side that class part 14 contacts is soft rubber material, and the other side is metal material.In addition, the clamping of the upper clamp mechanism 7
The top of part is provided with bending rib；The clamping piece of the lower clamping mechanism 5 is provided with bending rib below.Curved surface is thin
After plate parts 14 are caught in the holding tank, the upper and lower, left and right of curved sheets class part 14 can be positioned, screw work
4th screw 12 in 8 outside of mobile gasket can clamp curved sheets class part 14.
Present clip can clamp and fix curved sheets class part 14, and be accurately positioned its position；In clamping, clamping
Mechanism (upper clamp mechanism 7, middle part clamping device 6, lower clamping mechanism 5) can according to circumstances adjust height and reach described in fixation
The purpose of curved sheets class part 14, easy to operate, height is obtained by measurement.Clamped curved sheets class part 14 can
It is taken out straight up, and the fixture is small in size, the range of covering surface sheet parts 14 is small, with curved sheets class zero
14 contact surface of part is soft rubber material, can adapt to the curved profile of curved sheets class part 14 to a certain degree, while can be with full wafer
The clamping in region does not need onboard to punch connection.Mirror image Milling Process can be influenced smaller to avoid the damage to thin plate.
Clamping device and column 4 can be according to the curvature rotational angles of curved sheets class part 14, and the thin plate for adapting to various curvature is same
When be also capable of clamping plate.Column 4 can be customized as needed and is lengthened or shortened, while the increase that clamping device thereon can be pairs of
Or reduce, entire mechanism can be used as standardized frock clamp.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited to upper
The specific embodiment stated, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is common
Technical staff under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, may be used also
By make it is many in the form of, within these are all belonged to the scope of protection of the present invention.
Claims (10)
1. a kind of fixture suitable for mirror image milling curved sheets class part, which is characterized in that including pedestal (1), positioning plate
(2), bottom locating piece (3), column (4), upper clamp mechanism (7), middle part clamping device (6), lower clamping mechanism (5)；Institute
It states column (4) to be fixed in the pedestal (1) by the positioning plate (2), to constrain the column (4) in the axial direction
It is mobile；The bottom locating piece (3) is connected to the lower outside of the column (4), for constraining the column (4) around axis
Rotation；The upper clamp mechanism (7), middle part clamping device (6) and lower clamping mechanism (5) are connected to the column
(4) upper, middle and lower portion, and can be slided along the column (4), for clamping the boundary position of curved sheets class part (14).
2. a kind of fixture suitable for mirror image milling curved sheets class part according to claim 1, which is characterized in that institute
It states the interior of pedestal (1) and offers rotation hole, the marginal position of the rotation hole is provided with axle sleeve, and the inside of the axle sleeve is smooth
Arc-shaped structure, and be arranged it is positioned opposite in the lower outside of the column (4) and the bottom locating piece (3) so that institute
Stating column (4) can rotate along the inside of the axle sleeve.
3. a kind of fixture suitable for mirror image milling curved sheets class part according to claim 1, which is characterized in that institute
State the groove and installation screw being provided on pedestal (1) for connecting firmly with universal machine tools processing platform.
4. a kind of fixture suitable for mirror image milling curved sheets class part according to claim 1, which is characterized in that institute
It states column (4) to be divide into upper part and lower part, top is hexagonal structure and is provided with rectangular tooth socket along a tangential direction, and lower part is circle
Column construction is simultaneously provided with tooth socket in the axial direction；The bottom of the column (4) is provided with for fixing the first screw (9)
Screw hole is connected firmly the positioning plate (2) and the column (4) by first screw (9).
5. a kind of fixture suitable for mirror image milling curved sheets class part according to claim 1, which is characterized in that institute
The inside for stating bottom locating piece (3) is arc-shaped structure, and is provided with the tooth socket in the axial direction with the column (4) lower part
Corresponding fixed tooth, the bottom locating piece (3) pass through the second screw (10) after the column (4) turns to required position
It is fastened with the axle sleeve on the pedestal (1), to limit the rotation of the column (4).
6. a kind of fixture suitable for mirror image milling curved sheets class part according to claim 1, which is characterized in that institute
Stating upper clamp mechanism (7), middle part clamping device (6) and lower clamping mechanism (5) includes for being connected to the column (4)
On connector and clamping piece for clamping curved sheets class part (14)；The inner ring of the connector be and the column
(4) hexagonal structure that top matches can slide on the top of the column (4)；The clamping piece includes two panels clamping piece
Ontology, clamping piece ontology described in two panels are positioned opposite.
7. a kind of fixture suitable for mirror image milling curved sheets class part according to claim 6, which is characterized in that institute
The two sides for stating connector are provided with movable positioning sliding block (13), are provided on the inside of the positioning sliding block (13) and are stood with described
The corresponding square shaped teeth of rectangular tooth socket on column (4) top is provided with third screw (11) on the outside of the positioning sliding block (13), in institute
It states after upper clamp mechanism (7), middle part clamping device (6) or lower clamping mechanism (5) slide into required position, screws described
The upper clamp mechanism (7), middle part clamping device (6) or lower clamping mechanism (5) are fixed on described vertical by three screws (11)
Any position on column (4) top.
8. a kind of fixture suitable for mirror image milling curved sheets class part according to claim 6, which is characterized in that institute
The top for stating the clamping piece of upper clamp mechanism (7) is provided with bending rib；Under the clamping piece of the lower clamping mechanism (5)
While being provided with bending rib.
9. a kind of fixture suitable for mirror image milling curved sheets class part according to claim 6, which is characterized in that institute
It states and is provided with removable insole pieces (8) on the inside of the two panels clamping piece ontology of clamping piece, formed between removable insole pieces (8) described in two panels
Holding tank；It is provided with the 4th screw (12) on the outside of removable insole pieces described in two panels (8), is caught in curved sheets class part (14)
After in the holding tank, screws the 4th screw (12) and clamp curved sheets class part (14).
10. a kind of fixture suitable for mirror image milling curved sheets class part according to claim 9, which is characterized in that
The side that the removable insole pieces (8) contact with curved sheets class part (14) is soft rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910068893.6A CN109623443B (en) | 2019-01-24 | 2019-01-24 | Clamp suitable for mirror-image milling of curved-surface thin-plate parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910068893.6A CN109623443B (en) | 2019-01-24 | 2019-01-24 | Clamp suitable for mirror-image milling of curved-surface thin-plate parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109623443A true CN109623443A (en) | 2019-04-16 |
| CN109623443B CN109623443B (en) | 2021-03-16 |
Family
ID=66063480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910068893.6A Active CN109623443B (en) | 2019-01-24 | 2019-01-24 | Clamp suitable for mirror-image milling of curved-surface thin-plate parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109623443B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116393940A (en) * | 2023-06-05 | 2023-07-07 | 成都迈特航空制造有限公司 | Cam valve machining and manufacturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2398623A1 (en) * | 2009-02-20 | 2011-12-28 | Rolls-Royce PLC | Fixture for securing a thin-walled component, comprising a liner with one or more elastic members |
| CN203371424U (en) * | 2013-07-17 | 2014-01-01 | 柳州柳新汽车冲压件有限公司 | Automobile top plate tool |
| CN203765497U (en) * | 2014-02-17 | 2014-08-13 | 金牌模具（常熟）有限公司 | Clamping device for measuring smoothness of LCD TV back plate |
| CN206795645U (en) * | 2017-04-27 | 2017-12-26 | 深圳市多与少空间展示艺术有限公司 | A kind of fixing device for installing of space curved surface plate |
| CN207344458U (en) * | 2017-10-13 | 2018-05-11 | 福建信息职业技术学院 | A kind of arrangements for automotive doors clamp for machining |
-
2019
- 2019-01-24 CN CN201910068893.6A patent/CN109623443B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2398623A1 (en) * | 2009-02-20 | 2011-12-28 | Rolls-Royce PLC | Fixture for securing a thin-walled component, comprising a liner with one or more elastic members |
| CN203371424U (en) * | 2013-07-17 | 2014-01-01 | 柳州柳新汽车冲压件有限公司 | Automobile top plate tool |
| CN203765497U (en) * | 2014-02-17 | 2014-08-13 | 金牌模具（常熟）有限公司 | Clamping device for measuring smoothness of LCD TV back plate |
| CN206795645U (en) * | 2017-04-27 | 2017-12-26 | 深圳市多与少空间展示艺术有限公司 | A kind of fixing device for installing of space curved surface plate |
| CN207344458U (en) * | 2017-10-13 | 2018-05-11 | 福建信息职业技术学院 | A kind of arrangements for automotive doors clamp for machining |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116393940A (en) * | 2023-06-05 | 2023-07-07 | 成都迈特航空制造有限公司 | Cam valve machining and manufacturing method |
| CN116393940B (en) * | 2023-06-05 | 2023-08-25 | 成都迈特航空制造有限公司 | Cam valve machining and manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109623443B (en) | 2021-03-16 |
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