CN108356576A - A kind of machining fixture of effective processing thin-wall part edge multistage Length discrepancy circular arc - Google Patents
A kind of machining fixture of effective processing thin-wall part edge multistage Length discrepancy circular arc Download PDFInfo
- Publication number
- CN108356576A CN108356576A CN201810449145.8A CN201810449145A CN108356576A CN 108356576 A CN108356576 A CN 108356576A CN 201810449145 A CN201810449145 A CN 201810449145A CN 108356576 A CN108356576 A CN 108356576A
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- Prior art keywords
- fixed
- hole
- disk
- thin
- 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
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
Abstract
A kind of machining fixture of effective processing thin-wall part edge multistage Length discrepancy circular arc, including clamping fix disk, part fixed thread column, part and are fixed and clamped disk, fixing nut, part positioning pin.Clamping is fixed disk upper surface and is set there are three the thin-wall part limit hole for being located at ladder hole peripheral, and the periphery of thin-wall part limit hole is equipped with part dowel hole.Part is fixed and clamped in the middle part of disk equipped with location hole, the part disk that is fixed and clamped is respectively equipped with arc-shaped resigning groove in position corresponding with three thin-wall part limit holes, parts to be processed is located in thin-wall part limit hole, the dowel hole that the processing edge direction of parts to be processed is limited hole peripheral by thin-wall part positions finger setting by part, the stepped hole bottom end that part fixed thread column is fixed disk by clamping upwardly extends, the part disk that is fixed and clamped is sleeved on that part fixed thread column is outer and upper end face positioned at parts to be processed, fixing nut is pressed downward tight part to lower knob from part fixed thread column upper end and is fixed and clamped disk.
Description
Technical field
The present invention relates to a kind of mechanical manufacturing field, more particularly to a kind of machining fixture.
Background technology
For thin-wall part because being easily deformed, how fast and accurately clamping is a technical barrier in machining process, is needed
Milling multistage Length discrepancy circular arc is more difficult to quickly and accurately Set and Positioning on thin-wall part, such as Fig. 1, parts to be processed shown in 2, waits for
Tri- sections of circular arcs of A, B, C of processing part are parts to be processed, and decile is not distributed in same diameter circle by three circular holes E, F, G,
Cylinder D wall ratios are relatively thin.It is typically to be carried out on milling device after using special fixture clamping that the prior art, which processes this part,
Milling, although parts fixation can be completed Milling Process, but clamping correction effect by prior art fixture on milling device
Rate is low, it is difficult to accomplish quick-clamping and correction, and cannot reduce impact of the uneven Milling Force to thin-wall part, can not prevent by
The unbalanced initiation thin-wall part machining deformation of power.Existing such fixture seriously affects the not equal circle of unbalanced multistage on thin-wall part edge
The quality controllability of clamping efficiency and the part processing of arc.
Invention content
The purpose of the present invention is in view of the above-mentioned drawbacks of the prior art, improvement processing technology, provides for method for turning
A kind of machining fixture of effective processing thin-wall part edge multistage Length discrepancy circular arc, improves unbalanced multistage on thin-wall part edge
Not equal circular arcs clamping correction efficiency reduces impact of the uneven cutting force to thin-wall part, prevents discontinuity equalization from causing thin-wall part
Machining deformation ensures workpiece processing quality, fast and accurately clamping thin-wall part, simplified clamping process, raising production efficiency.
The present invention to achieve the above object the technical solution adopted is that：A kind of effectively processing thin-wall part edge multistage Length discrepancy
The machining fixture of circular arc, including clamping fixes disk, part fixed thread column, part are fixed and clamped disk, fixing nut；Clamping is solid
Price fixing includes round fixed plate and the positioning column that is connected in the middle part of round fixed plate lower end, and clamping is fixed in the middle part of disk and is equipped with for pacifying
Fill the stepped hole of part fixed thread column, stepped hole runs through fixed plate and positioning column simultaneously, and stepped hole be hypomere aperture it is big and
The small stepped hole in epimere aperture, the stepped hole inner wall for being located at hypomere are equipped with internal thread, and clamping fixation disk upper table is recessed downwards to be set
There are three the thin-wall part limit hole for being located at ladder hole peripheral, the periphery of each thin-wall part limit hole be additionally provided with in parts to be processed
The one-to-one part dowel hole in pin hole position；Part fixed thread column include stage casing positioning region, hypomere interconnecting piece and on
Section fixed part, stage casing positioning region is the cylinder that outer surface is not provided with screw thread, and hypomere interconnecting piece is by stage casing positioning region low side
It is downwardly extending, hypomere interconnecting piece outer surface is equipped with the matched outer spiral shell of internal thread that disk stepped hole hypomere is fixed with clamping
Line, epimere fixed part are upwardly extended by stage casing positioning region top and are formed, and epimere fixed part outer surface is equipped with to match with fixing nut
The external screw thread of conjunction；Part is fixed and clamped in the middle part of disk equipped with location hole corresponding with the clamping fixation ladder hole site of disk, part
The disk that is fixed and clamped is respectively equipped with arc-shaped resigning groove, parts to be processed in position corresponding with three thin-wall part limit holes
It is located in thin-wall part limit hole, part positioning pin is located in the part of the pin hole and thin-wall part limit hole peripheral of parts to be processed
In dowel hole, part fixed thread column is upwardly extended by clamping fixation disk stepped hole bottom end and top is pierced by stepped hole, part
The disk that is fixed and clamped is located in outside the positioning region of part fixed thread column stage casing by location hole and is pressed in the upper end table of parts to be processed
Face, fixing nut are matched with the epimere fixed part of part fixed thread column, and fixing nut is pressed in part and fixes pressure from top to bottom
Tight disk upper surface so that the part disk that is fixed and clamped is pressed on parts to be processed upper surface.
The present invention further technical solution be：The thin-wall part limit hole bottom end that the clamping fixes disk is equipped with through fixation
The component assembly gas vent in board bottom face.
The present invention further technical solution be：The part be fixed and clamped disk arc-shaped resigning groove arc radius
It is equal with the aperture of thin-wall part limit hole.
The machining fixture that the present invention effectively processes thin-wall part edge multistage Length discrepancy circular arc has the advantages that：It adopts
After clamp for machining of the present invention, can turnery processing be improved to by existing Milling Process, clamp for machining is located on lathe chuck, this
Invention clamp for machining includes that clamping fixes disk, component assembly gas vent, thin-wall part limit hole, part dowel hole, part are fixed
Threaded post, part positioning pin, part are fixed and clamped disk, the dish opening that is fixed and clamped circular arc, fixing nut etc., component assembly gas vent
The exhaust passage of component assembly is provided, part positions finger setting parts to be processed, and thin-wall part limit hole limits parts to be processed, Gu
To determine compression plate and part is fixed and clamped chuck clamping parts to be processed, fixing nut fixes parts to be processed, and through the invention zero
Part positioning pin, thin-wall part limit hole, while three parts to be processed of Fast Installation, one section of circular arc at processing parts to be processed edge
Side, after processing one section of arc-shaped edges, button pine fixing nut, then another unprocessed arc-shaped edges of parts to be processed are transferred to dress
The machining position at clamping price fixing edge, you can another section of arc-shaped edges at processing parts to be processed edge, in this way by three times
Indexing is completed unbalanced three sections of inequilateral arc machinings on three parts to be processed edges, is reduced using present clip
Parts fixation correction time simplifies clamping process, reduces impact of the unbalanced cutting force to processing part, can effective guarantee part
The quality controllability of machining accuracy improves productivity, prevents the machining deformation of thin-wall part, utilize the improved processing skill ratio of the fixture
The processing efficiency of prior art fixture improves 30%.
With reference to the accompanying drawings and examples to the machining of effectively processing thin-wall part edge of the invention multistage Length discrepancy circular arc
Fixture is further described.
Description of the drawings
Fig. 1 is the structural schematic diagram of parts to be processed；
Fig. 2 is the other direction view of Fig. 1；
Fig. 3 is the structural schematic diagram of the machining fixture of effectively processing thin-wall part edge of the invention multistage Length discrepancy circular arc；
Fig. 4 is the sectional view along A-A of Fig. 3；
Fig. 5 is the stereogram of the machining fixture of effectively processing thin-wall part edge of the invention multistage Length discrepancy circular arc；
Fig. 6 is the structural schematic diagram that clamping fixes disk；
Fig. 7 is the sectional view along A-A of Fig. 6；
Fig. 8 is the structural schematic diagram of part fixed thread column；
Fig. 9 is that part is fixed and clamped the structural schematic diagram of disk；
Figure 10 is the structural schematic diagram of fixing nut；
Figure 11 is the structural schematic diagram of part positioning pin；
Figure 12 is the side view of Figure 11；
Figure 13 is the vertical view of Figure 11；
Figure 14 is the structural schematic diagram that machining fixture clamping shown in Fig. 5 of the present invention fixes parts to be processed；
Drawing reference numeral explanation：1- parts to be processed, 2- fixing nuts, 3- part fixed thread columns, 4- parts are fixed and clamped disk, 5-
Clamping fixes disk, 6- thin-wall part limit holes, 7- component assembly gas vents, 8- part positioning pins, 9- stepped holes, the positioning of 10- parts
Pin hole, 11- circle fixed plates, 12- positioning columns, the stage casings 13- positioning region, 14- hypomere interconnecting pieces, 15- epimere fixed parts, 16- are fixed
Position hole, 17- resigning grooves.
Specific implementation mode
As shown in Fig. 3 to Figure 14, the present invention effectively processes thin-wall part edge multistage Length discrepancy circular arc（Referred to as " machining
Fixture "）, including clamping fixes disk, part fixed thread column, part are fixed and clamped disk, fixing nut, part positioning pin.It is to be added
Work design of part is as shown in Figure 1, 2, and three sections of circular arc A, B, C peripheries for being connected to damaged surface are the arc surface for needing to process,
The wall thickness of cylinder D is relatively thin, and clamping is easily deformed.
It please also refer to Fig. 6, shown in 7, clamping fixes disk and includes round fixed plate and be connected in round fixed plate lower end
The positioning column in portion, positioning column can be positioned on machine chuck.Clamping is fixed in the middle part of disk and is equipped with for installing part fixed thread column
Stepped hole, stepped hole runs through fixed plate and positioning column simultaneously, and stepped hole is the ladder that hypomere aperture is big and epimere aperture is small
Hole, the stepped hole inner wall for being located at hypomere are equipped with internal thread.Clamping, which fixes disk upper table and be recessed downwards, sets that there are three positioned at stepped hole
The periphery of the thin-wall part limit hole of periphery, each thin-wall part limit hole is additionally provided with and one a pair of pin hole position in parts to be processed
The part dowel hole answered.The thin-wall part limit hole bottom end that disk is fixed in clamping is equipped with the component assembly row for running through fixed plate bottom surface
Stomata.
It please also refer to shown in Fig. 8, part fixed thread column includes that stage casing positioning region, hypomere interconnecting piece and epimere are fixed
Portion, stage casing positioning region are the cylinders that outer surface is not provided with screw thread, and hypomere interconnecting piece is from stage casing positioning region low side to downward
It stretches to be formed, hypomere interconnecting piece outer surface is equipped with the matched external screw thread of internal thread for fixing disk stepped hole hypomere with clamping, hypomere
The outer diameter of interconnecting piece is bigger than stage casing positioning region outer diameter.Epimere fixed part is upwardly extended by stage casing positioning region top and is formed, and epimere is solid
Determine portion outer surface to be equipped with and the matched external screw thread of fixing nut.
It please also refer to shown in Fig. 9, part is fixed and clamped in the middle part of disk equipped with opposite with the clamping fixation ladder hole site of disk
The location hole answered, the part disk that is fixed and clamped are respectively equipped with arc-shaped resigning in position corresponding with three thin-wall part limit holes
Groove.Wherein part be fixed and clamped the arc-shaped resigning groove of disk arc radius it is equal with the aperture of thin-wall part limit hole, this
Sample design makes arc-shaped resigning groove not interfere or squeeze with cylinder in the middle part of parts to be processed, avoids the cylinder that wall thickness is relatively thin
It is deformed, can also enable the pressing plate of arc-shaped resigning recess edge is uniformly firm to be attached to the upper of arc surface to be processed
End face.
When using machining fixture clamping parts to be processed of the present invention, as shown in figure 14, parts to be processed is located in thin-walled
In part limit hole, the part dowel hole that the pin hole of parts to be processed is fixed with clamping on disk is set to correspond, and load onto part
Positioning pin, part positioning pin are located in the pin hole of parts to be processed and the part dowel hole of thin-wall part limit hole peripheral, profit
With on the basis of the pin hole of parts to be processed parts to be processed is limited with the part detent fit of machining fixture all around
The thin-wall part limit hole assembly of position and rotational freedom, the thin-walled outer circle and machining fixture that recycle parts to be processed limits
The freely up and down degree of parts to be processed.Part fixed thread column is upwardly extended by clamping fixation disk stepped hole bottom end and top is pierced by
Stepped hole, the part disk that is fixed and clamped are located in outside the positioning region of part fixed thread column stage casing by location hole and are pressed in be processed zero
The upper end face of part, fixing nut are matched with the epimere fixed part of part fixed thread column, and fixing nut is pressed in from top to bottom
Part is fixed and clamped disk upper surface so that the part disk that is fixed and clamped is pressed on parts to be processed upper surface.Utilize machining fixture
The part disk that is fixed and clamped compress company's cap of parts to be processed to fixed parts to be processed, utilize the fixation spiral shell of machining fixture
Mother's locking parts to be processed is fixed and clamped in the clamping fixation disk and part of machining fixture between disk, completes clamping.
Practical application machining fixture user, it is only necessary to machining fixture correction is fixed on machine chuck, it is to be processed
The processing and loading clamp of part positions part positioning pin and thin-walled limit hole by machining fixture to ensure, machining fixture user
Only need to for machining fixture part positioning pin come parts to be processed of having good positioning, so that it may realize quick-clamping.Parts to be processed
It can fast and accurately be located in clamping by thin-wall part limit hole and part dowel hole to fix on disk, then spiral shell is fixed from part
Line column one end is fixed and clamped disk by part and fixing nut compresses three parts to be processed together, you can processing parts to be processed side
One section of arc-shaped edges of edge, after processing one section of arc-shaped edges, button pine fixing nut, then will to adjust another of parts to be processed undressed
Arc-shaped edges be transferred to the machining position in outside, you can another section of arc-shaped edges at processing parts to be processed edge lead in this way
Indexing three times is crossed, that is, completes unbalanced three sections of inequilateral arc machinings on three parts to be processed edges.Using machine of the present invention
Traditional Milling Process can be made to be changed to turnery processing after clamp for machining, reduce impact of the unbalanced cutting force to processing part, energy
The quality controllability of effective guarantee part processing precision improves productivity.Practical application through the invention, parts to be processed add
The quality controllability of work obtains effective guarantee, and product clamping efficiency is greatly improved, it was proved that utilizing present clip
Identical part is processed than improving 30% using the processing efficiency of prior art fixture.
Above example is only presently preferred embodiments of the present invention, and structure of the invention is not limited to what above-described embodiment was enumerated
Form can set according to design of part, be made all within the spirits and principles of the present invention such as the quantity of part dowel hole
Any modification, equivalent replacement etc., should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of machining fixture of effective processing thin-wall part edge multistage Length discrepancy circular arc, which is characterized in that solid including clamping
Price fixing（5）, part fixed thread column（3）, part is fixed and clamped disk（4）, fixing nut（2）, part positioning pin（8）；Clamping is solid
Price fixing（5）Including round fixed plate（11）And it is connected to round fixed plate（11）Positioning column in the middle part of lower end（12）, clamping fixes
Disk（5）Middle part is equipped with for installing part fixed thread column（3）Stepped hole（9）, stepped hole（9）Run through fixed plate simultaneously（11）
And positioning column（12）, and stepped hole（9）It is the stepped hole that hypomere aperture is big and epimere aperture is small, is located at the stepped hole of hypomere（9）
Inner wall is equipped with internal thread, and clamping fixes disk（5）Upper table be recessed downwards set there are three be located at stepped hole（9）The thin-wall part of periphery limits
Position hole（6）, each thin-wall part limit hole（6）Periphery be additionally provided with and parts to be processed（1）On pin hole position it is one-to-one
Part dowel hole（10）；Part fixed thread column（3）Including stage casing positioning region（13）, hypomere interconnecting piece（14）And epimere is fixed
Portion（15）, stage casing positioning region（13）It is the cylinder that outer surface is not provided with screw thread, hypomere interconnecting piece（14）It is positioned by stage casing
Portion（13）Low side is downwardly extending, hypomere interconnecting piece（14）Outer surface is equipped with fixes disk with clamping（5）Stepped hole（9）Hypomere
The matched external screw thread of internal thread, epimere fixed part（15）By stage casing positioning region（13）Top upwardly extends to be formed, and epimere is fixed
Portion（15）Outer surface is equipped with and fixing nut（2）Matched external screw thread；Part is fixed and clamped disk（4）Middle part is equipped with solid with clamping
Price fixing（5）Stepped hole（9）The corresponding location hole in position（16）, part is fixed and clamped disk（4）It is limited with three thin-wall parts
Hole（6）Corresponding position is respectively equipped with arc-shaped resigning groove（17）, parts to be processed（1）It is located in thin-wall part limit hole
（6）In, part positioning pin（8）It is located in parts to be processed（1）Pin hole and thin-wall part limit hole（6）The part positioning pin of periphery
Hole（10）In, part fixed thread column（3）Disk is fixed by clamping（5）Stepped hole（9）Bottom end upwardly extends and top is pierced by ladder
Hole（9）, part is fixed and clamped disk（4）Pass through location hole（16）It is located in part fixed thread column（3）Stage casing positioning region（13）Outside
And it is pressed in parts to be processed（1）Upper end face, fixing nut（2）With part fixed thread column（3）Epimere fixed part（15）
It matches, fixing nut（2）Part is pressed in from top to bottom to be fixed and clamped disk（4）Upper surface so that part is fixed and clamped disk（4）Tightly
It is pressed in parts to be processed（1）Upper surface.
2. a kind of machining fixture of effective processing thin-wall part edge multistage Length discrepancy circular arc as described in claim 1, special
Sign is that the clamping fixes disk（5）Thin-wall part limit hole（6）The component assembly that bottom end is equipped with through fixed plate bottom surface is vented
Hole（7）.
3. a kind of machining fixture of effective processing thin-wall part edge multistage Length discrepancy circular arc as described in claim 1, special
Sign is, the part is fixed and clamped disk（4）Arc-shaped resigning groove（17）Arc radius and thin-wall part limit hole（6）'s
Aperture is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810449145.8A CN108356576B (en) | 2018-05-11 | 2018-05-11 | Machining clamp for effectively machining multiple sections of unequal-length circular arcs on edge of thin-wall part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810449145.8A CN108356576B (en) | 2018-05-11 | 2018-05-11 | Machining clamp for effectively machining multiple sections of unequal-length circular arcs on edge of thin-wall part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108356576A true CN108356576A (en) | 2018-08-03 |
| CN108356576B CN108356576B (en) | 2023-07-18 |
Family
ID=63011873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810449145.8A Active CN108356576B (en) | 2018-05-11 | 2018-05-11 | Machining clamp for effectively machining multiple sections of unequal-length circular arcs on edge of thin-wall part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108356576B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263342A (en) * | 2021-06-29 | 2021-08-17 | 浙江今飞机械有限公司 | Auxiliary device for processing bicycle chain wheel |
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| US20120032053A1 (en) * | 2009-02-20 | 2012-02-09 | Rolls-Royce Plc | Fixture for securing a thin-walled component |
| CN106514314A (en) * | 2016-11-30 | 2017-03-22 | 宁波隆源精密机械有限公司 | Numerical control lathe clamp for machining of thin-wall parts prone to deformation |
| CN106541290A (en) * | 2017-01-23 | 2017-03-29 | 苏州经贸职业技术学院 | A kind of jig of the circumferential registration for thin-wall part processing |
| CN106903528A (en) * | 2017-04-25 | 2017-06-30 | 江苏科技大学 | For the positioning clamping device and its application method of disk-like accessory processing |
| CN107263176A (en) * | 2017-06-28 | 2017-10-20 | 贵州黎阳国际制造有限公司 | The fixture and processing method of a kind of L-type annular thin-wall parts |
| CN107553186A (en) * | 2016-07-01 | 2018-01-09 | 湖北三江航天万山特种车辆有限公司 | A kind of fast-clamping clamp for thin wall component Milling Process |
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2018
- 2018-05-11 CN CN201810449145.8A patent/CN108356576B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120032053A1 (en) * | 2009-02-20 | 2012-02-09 | Rolls-Royce Plc | Fixture for securing a thin-walled component |
| CN107553186A (en) * | 2016-07-01 | 2018-01-09 | 湖北三江航天万山特种车辆有限公司 | A kind of fast-clamping clamp for thin wall component Milling Process |
| CN106514314A (en) * | 2016-11-30 | 2017-03-22 | 宁波隆源精密机械有限公司 | Numerical control lathe clamp for machining of thin-wall parts prone to deformation |
| CN106541290A (en) * | 2017-01-23 | 2017-03-29 | 苏州经贸职业技术学院 | A kind of jig of the circumferential registration for thin-wall part processing |
| CN106903528A (en) * | 2017-04-25 | 2017-06-30 | 江苏科技大学 | For the positioning clamping device and its application method of disk-like accessory processing |
| CN107263176A (en) * | 2017-06-28 | 2017-10-20 | 贵州黎阳国际制造有限公司 | The fixture and processing method of a kind of L-type annular thin-wall parts |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263342A (en) * | 2021-06-29 | 2021-08-17 | 浙江今飞机械有限公司 | Auxiliary device for processing bicycle chain wheel |
| CN113263342B (en) * | 2021-06-29 | 2022-06-28 | 浙江今飞机械有限公司 | Auxiliary device for processing bicycle chain wheel |
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| Publication number | Publication date |
|---|---|
| CN108356576B (en) | 2023-07-18 |
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