CN113857901A - Clamp for milling thin-wall disc type workpieces in axial overlapping distribution - Google Patents
Clamp for milling thin-wall disc type workpieces in axial overlapping distribution Download PDFInfo
- Publication number
- CN113857901A CN113857901A CN202111207010.9A CN202111207010A CN113857901A CN 113857901 A CN113857901 A CN 113857901A CN 202111207010 A CN202111207010 A CN 202111207010A CN 113857901 A CN113857901 A CN 113857901A
- Authority
- CN
- China
- Prior art keywords
- groove
- working table
- table plate
- section
- thin
- 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
Links
- 238000003801 milling Methods 0.000 title claims abstract description 19
- 238000009826 distribution Methods 0.000 title description 2
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 238000012545 processing Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
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
- B23Q3/02—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
-
- 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
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/088—Work-clamping means other than mechanically-actuated using vacuum means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a clamp for milling thin-wall disc type workpieces which are axially overlapped and distributed, which comprises a clamp main body and an annular sealing strip, wherein the clamp main body is provided with a plurality of clamping grooves; the clamp main body comprises a working table plate, a circular positioning groove and an open groove are formed in the working table plate, the circular positioning groove is formed by sinking of the end face of the working table plate, the open groove extends linearly from the circle center of the circular positioning groove to the edge, the open groove penetrates through the working table plate along the thickness direction of the working table plate, and a sealing groove for placing the annular sealing strip is formed in the circular positioning groove; the invention has simple structure, safety and reliability; aiming at the characteristic of poor rigidity of a thin workpiece, the clamping device realizes plain, solid and reliable clamping, and effectively meets the design requirements of the workpiece such as axial dimension precision and the like; the device can realize the quick installation of the thin ring workpiece, improves the processing efficiency, and has the characteristics of low manufacturing cost and the like.
Description
Technical Field
The invention relates to the technical field of milling, clamping and positioning, in particular to a fixture for milling thin-wall disc workpieces which are distributed in an axially overlapped mode.
Background
In the numerical control milling process, thin-wall disc type parts are common machining types. However, in some thin-wall disk type parts, the thin-wall disks are distributed in an axially overlapped manner. When the parts are milled, a platform type mode is often adopted, and the pressing plates are additionally arranged on the periphery for fixing. The disadvantages are that: clamping is complicated, and the time for fastening a press plate screw is long; when the end surface is processed, the processing requirement is difficult to ensure because the plate material is too thin; if each clamping point around the part can not obtain uniform pressure, namely pressing force, cutting force is concentrated on a plurality of clamping points during cutting processing, so that the part is deformed after being processed, and the part is processed and scrapped.
In view of the above-mentioned drawbacks, the inventors of the present invention have finally obtained the present invention through a long period of research and practice.
Disclosure of Invention
In order to solve the technical defects, the invention adopts the technical scheme that the fixture for milling the thin-wall disc type workpieces which are axially overlapped and distributed comprises a fixture main body and an annular sealing strip; the fixture body comprises a working table plate, wherein a circular positioning groove and an open groove are formed in the working table plate, the end face of the working table plate is sunk to form the circular positioning groove, the open groove extends from the circle center of the circular positioning groove to the edge in a straight line mode, the open groove penetrates through the working table plate in the thickness direction of the working table plate, and a sealing groove used for containing the annular sealing strip is formed in the circular positioning groove.
Preferably, the seal groove comprises a large arc section, a small arc section and a straight line section, the large arc section is arranged along the arc-shaped edge of the circular positioning groove, the small arc section is arranged at the circle center position of the circular positioning groove and is arranged along the edge of the arc-shaped end part of the open groove, the straight line section is arranged along the edge of the open groove extending in a straight line mode, and two ends of the large arc section are connected with two ends of the small arc section through the straight line section respectively.
Preferably, the cross section of the annular sealing strip is circular and extends along the sealing groove.
Preferably, a sealing air channel used for forming a vacuum space with the plane of the workpiece is arranged in the sealing groove.
Preferably, the sealing air passage is radially arranged, the sealing air passage comprises a radial air passage section and an arc air passage section, the radial air passage section radially extends towards the sealing groove by taking the circle center of the circular positioning groove as a center, the arc air passage section extends towards the other arc of the straight line section by taking one arc section, the circle center of the arc air passage section and the circle center of the circular positioning are concentrically arranged, and the arc air passage section is communicated with each radial air passage section.
Preferably, a threaded hole and a unthreaded hole are formed in the working table plate, one end of the threaded hole is formed in the side end face of the working table plate, the other end of the threaded hole is communicated with the unthreaded hole, one end of the unthreaded hole is communicated with the sealed air passage, and the other end of the unthreaded hole is communicated with the threaded hole.
Preferably, the clamp main body further comprises support columns symmetrically arranged on two sides of the working table plate, and notches for clamping and fixing are formed in the support columns.
Compared with the prior art, the invention has the beneficial effects that: the invention has simple structure, safety and reliability; aiming at the characteristic of poor rigidity of a thin workpiece, the clamping device realizes plain, solid and reliable clamping, and effectively meets the design requirements of the workpiece such as axial dimension precision and the like; the device can realize the quick installation of the thin ring workpiece, improves the processing efficiency, and has the characteristics of low manufacturing cost and the like.
Drawings
FIG. 1 is a structural view of the fixture for milling thin-walled disc-like workpieces which are distributed in an axially overlapped manner;
FIG. 2 is a structural view of the clamp body;
FIG. 3 is a structural view of the annular sealing strip;
fig. 4 is a schematic use diagram of the fixture for milling the thin-wall disc-type workpieces which are distributed in an axially overlapped mode.
The figures in the drawings represent:
1-a clamp body; 2-annular sealing strip; 3-an open slot; 4-circular positioning groove; 5-sealing groove; 6, sealing the air channel; 7-a light hole; 8-a threaded hole; 9-notch; 10-a connection joint; 11-parts.
Detailed Description
The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
Example one
As shown in fig. 1, fig. 1 is a structural view of the fixture for milling thin-walled disc-like workpieces which are distributed in an axially overlapped manner; the clamp for milling the thin-wall disc type workpieces which are distributed in an axially overlapped mode comprises a clamp body 1 and an annular sealing strip 2.
As shown in fig. 2, fig. 2 is a structural view of the jig main body; the fixture main body 1 comprises a working table plate and supporting columns symmetrically arranged on two sides of the working table plate, a space formed in the middle is used for avoiding the rest non-clamping parts of a part, notches 9 used for clamping and fixing are formed in the supporting columns, circular positioning grooves 4 and open grooves 3 are formed in the working table plate, the circular positioning grooves 4 are formed by sinking of the end face of the working table plate, and the diameter of each circular positioning groove 4 is matched with the diameter of a thin-wall disc workpiece and used for accurately positioning the thin-wall disc workpiece.
The opening groove 3 extends from the circle center of the circular positioning groove 4 to the edge in a straight line, the opening groove 3 penetrates through the workbench plate along the thickness direction of the workbench plate, and the opening groove 3 is used for avoiding a central circular shaft of a disc part.
As shown in fig. 3, fig. 3 is a structural view of the annular sealing strip; be provided with in circular constant head tank 4 and be used for placing annular sealing strip 2's seal groove 5, seal groove 5 includes major arc section, small circle arc section and straightway, the major arc section is followed circular constant head tank 4 circular arc edge sets up, small circle arc section is in 4 centre of a circle positions of circular constant head tank are followed 5 circular arc tip edges of open slot set up, the straightway is followed 3 sharp extended edges of open slot set up, the both ends of major arc section are respectively through one the straightway with the both ends of small circle arc section are connected.
Correspondingly, the section of the annular sealing strip 2 is circular and extends along the sealing groove 5.
And a sealing air passage 6 is arranged in the sealing groove 5, and the sealing air passage 6 is used for forming a sealed vacuum space with a part plane to generate negative pressure so as to obtain the clamping adsorption force of the part.
Specifically, the sealing air passage 6 is arranged in a radial shape, the sealing air passage 6 comprises a radial air passage section and an arc air passage section, the radial air passage section takes the circle center of the circular positioning groove 4 as the center and extends radially to the sealing groove 5, the arc air passage section takes one straight line section to another straight line section arc and extends, the circle center of the arc air passage section and the circle center of the circular positioning groove 4 are concentrically arranged, and the arc air passage section and the radial air passage sections are communicated.
A threaded hole 8 and a unthreaded hole 7 are formed in the working table plate, one end of the threaded hole 8 is arranged on the side end face of the working table plate, the other end of the threaded hole 8 is communicated with the unthreaded hole 7, one end of the unthreaded hole 7 is communicated with the sealed air passage 6, and the other end of the unthreaded hole is communicated with the threaded hole 8.
The invention has simple structure, safety and reliability; aiming at the characteristic of poor rigidity of a thin workpiece, the clamping device realizes plain, solid and reliable clamping, and effectively meets the design requirements of the workpiece such as axial dimension precision and the like; the device can realize the quick installation of the thin ring workpiece, improves the processing efficiency, and has the characteristics of low manufacturing cost and the like.
Example two
As shown in fig. 4, fig. 4 is a schematic use diagram of the fixture for milling the thin-walled disc-like workpieces which are distributed in an axially overlapped manner; add man-hour, the attach fitting 10 of vacuum pump is connected on the screw hole 8, anchor clamps main part 1 passes through breach 9 is fixed, part 11 warp 5 joints of open slot are in on the anchor clamps main part 1, and will the disc of waiting to process of part 11 is fixed on the circular positioning groove 4, open the vacuum pump valve, press gently with the hand the disc of waiting to process of part 11 determines whether the clamping is level and smooth to accomplish the location clamping overall process of this quick anchor clamps.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative and not limiting. It will be understood by those skilled in the art that various changes, modifications and equivalents may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A clamp for milling thin-wall disc type workpieces which are distributed in an axially overlapped mode is characterized by comprising a clamp body and an annular sealing strip; the fixture body comprises a working table plate, wherein a circular positioning groove and an open groove are formed in the working table plate, the end face of the working table plate is sunk to form the circular positioning groove, the open groove extends from the circle center of the circular positioning groove to the edge in a straight line mode, the open groove penetrates through the working table plate in the thickness direction of the working table plate, and a sealing groove used for containing the annular sealing strip is formed in the circular positioning groove.
2. The fixture for milling the thin-wall disc type workpieces which are distributed in the axial overlapping mode as claimed in claim 1, wherein the sealing groove comprises a large arc section, a small arc section and a straight line section, the large arc section is arranged along the circular arc-shaped edge of the circular positioning groove, the small arc section is arranged along the circular arc-shaped end edge of the opening groove at the circle center position of the circular positioning groove, the straight line section is arranged along the edge of the opening groove extending in a straight line mode, and two ends of the large arc section are connected with two ends of the small arc section through the straight line section respectively.
3. The fixture for milling thin-walled disc-like workpieces distributed in an axially overlapping manner as set forth in claim 2, wherein the annular sealing strip is circular in cross section and extends along the sealing groove.
4. The fixture for milling thin-walled disc-like workpieces distributed in an axially overlapped manner as claimed in claim 2, wherein a sealing air channel for forming a vacuum space with the plane of the workpiece is arranged in the sealing groove.
5. The fixture for milling the thin-wall disc type workpieces which are distributed in the axially overlapped mode according to claim 4, wherein the sealing air channel is arranged in a radial mode and comprises a radial air channel section and an arc air channel section, the radial air channel section extends towards the sealing groove in the radial direction by taking the circle center of the circular positioning groove as the center, the arc air channel section extends towards the other arc of the straight line section by taking the straight line section as the center, the circle center of the arc air channel section and the circle center of the circular positioning groove are arranged concentrically, and the arc air channel section is communicated with the radial air channel sections.
6. The fixture for milling the thin-wall disc type workpieces which are distributed in the axial direction in an overlapped mode according to claim 5, wherein a threaded hole and a unthreaded hole are formed in the working table plate, one end of the threaded hole is formed in the side end face of the working table plate, the other end of the threaded hole is communicated with the unthreaded hole, one end of the unthreaded hole is communicated with the sealed air channel, and the other end of the unthreaded hole is communicated with the threaded hole.
7. The clamp for milling thin-walled disc-like workpieces which are distributed in an axially overlapped manner as claimed in claim 1, wherein the clamp body further comprises support columns symmetrically arranged on two sides of the working table plate, and notches for clamping and fixing are arranged on the support columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111207010.9A CN113857901A (en) | 2021-10-15 | 2021-10-15 | Clamp for milling thin-wall disc type workpieces in axial overlapping distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111207010.9A CN113857901A (en) | 2021-10-15 | 2021-10-15 | Clamp for milling thin-wall disc type workpieces in axial overlapping distribution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113857901A true CN113857901A (en) | 2021-12-31 |
Family
ID=78999988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111207010.9A Pending CN113857901A (en) | 2021-10-15 | 2021-10-15 | Clamp for milling thin-wall disc type workpieces in axial overlapping distribution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113857901A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004230524A (en) * | 2003-01-31 | 2004-08-19 | Toyota Motor Corp | Work clamping device and work clamping method |
| CN102009379A (en) * | 2010-11-03 | 2011-04-13 | 中航力源液压股份有限公司 | Clamping method and fixture for grinding hole perpendicular to diagonal plane of beveling cylinder |
| CN104384627A (en) * | 2014-11-17 | 2015-03-04 | 江苏太平洋精锻科技股份有限公司 | Tooth inserting clamp of thin wall outer toothed ring |
| CN205310048U (en) * | 2015-12-30 | 2016-06-15 | 株洲中航动科南方燃气轮机成套制造安装有限公司 | Grinder anchor clamps |
| CN206614283U (en) * | 2017-04-06 | 2017-11-07 | 王照信 | A kind of shaft-disc type component hole drilling fixing clamp |
| CN206643660U (en) * | 2017-04-19 | 2017-11-17 | 东莞市金达机电有限公司 | A kind of pneumatic clamp for machining |
| CN208696897U (en) * | 2018-08-09 | 2019-04-05 | 东莞长盈精密技术有限公司 | CNC workpiece positioning clamp |
| CN210435792U (en) * | 2019-09-25 | 2020-05-01 | 中船重工龙江广瀚燃气轮机有限公司 | Gas seal arc section milling fixture |
| CN210703711U (en) * | 2019-09-26 | 2020-06-09 | 嘉兴太平洋江茂电子有限公司 | Plunger sleeve drilling clamp |
| CN211708716U (en) * | 2020-01-16 | 2020-10-20 | 中核(天津)科技发展有限公司 | Positioning device for milling thin-wall assembly |
-
2021
- 2021-10-15 CN CN202111207010.9A patent/CN113857901A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004230524A (en) * | 2003-01-31 | 2004-08-19 | Toyota Motor Corp | Work clamping device and work clamping method |
| CN102009379A (en) * | 2010-11-03 | 2011-04-13 | 中航力源液压股份有限公司 | Clamping method and fixture for grinding hole perpendicular to diagonal plane of beveling cylinder |
| CN104384627A (en) * | 2014-11-17 | 2015-03-04 | 江苏太平洋精锻科技股份有限公司 | Tooth inserting clamp of thin wall outer toothed ring |
| CN205310048U (en) * | 2015-12-30 | 2016-06-15 | 株洲中航动科南方燃气轮机成套制造安装有限公司 | Grinder anchor clamps |
| CN206614283U (en) * | 2017-04-06 | 2017-11-07 | 王照信 | A kind of shaft-disc type component hole drilling fixing clamp |
| CN206643660U (en) * | 2017-04-19 | 2017-11-17 | 东莞市金达机电有限公司 | A kind of pneumatic clamp for machining |
| CN208696897U (en) * | 2018-08-09 | 2019-04-05 | 东莞长盈精密技术有限公司 | CNC workpiece positioning clamp |
| CN210435792U (en) * | 2019-09-25 | 2020-05-01 | 中船重工龙江广瀚燃气轮机有限公司 | Gas seal arc section milling fixture |
| CN210703711U (en) * | 2019-09-26 | 2020-06-09 | 嘉兴太平洋江茂电子有限公司 | Plunger sleeve drilling clamp |
| CN211708716U (en) * | 2020-01-16 | 2020-10-20 | 中核(天津)科技发展有限公司 | Positioning device for milling thin-wall assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106180776B (en) | A kind of thin-wall flange precision turning clamp | |
| CN109500638B (en) | Thin-wall pipe fitting clamping device | |
| CN109822123A (en) | A kind of thin-walled cylindrical workpiece turning clamping method, fixture and processing unit (plant) | |
| CN215999580U (en) | Clamp for milling thin-wall disc type workpieces in axial overlapping distribution | |
| CN113857901A (en) | Clamp for milling thin-wall disc type workpieces in axial overlapping distribution | |
| CN208840964U (en) | Air throttle of car OCV valve pocket chuck of diaphragm | |
| CN113649877B (en) | Flat grinding method and flat grinding clamp for nonmagnetic thin-wall washer parts | |
| CN212398903U (en) | High-precision gapless disc-shaped disc positioning tool | |
| CN115156641A (en) | Internal and external thread machining device for machining part | |
| CN211915545U (en) | Multiple centering internal expanding clamp capable of performing airtight detection | |
| CN205571445U (en) | Lathe fixture | |
| CN210451892U (en) | Tree felling machine axle housing adds clamping apparatus | |
| CN211438994U (en) | Special tool for machining center shaft | |
| CN213970106U (en) | Pneumatic clamp | |
| CN203817811U (en) | Processing tooling for reducing pipes | |
| CN114273872B (en) | Machining method of thin-wall bearing ring forging | |
| CN212704429U (en) | Adjustable auxiliary positioning device of jack catch | |
| CN216759052U (en) | Anti-loosening workpiece clamp | |
| CN211219661U (en) | Upper and lower connecting ring rounding clamp for forging | |
| CN215239375U (en) | Valve body processing tool clamp | |
| CN219504229U (en) | Vortex plate processing clamp | |
| CN205552069U (en) | Anchor clamps are used in automobile semi -axle processing | |
| CN213225249U (en) | Novel automobile expansion valve adapter processing frock | |
| CN216759479U (en) | A portable internal expanding anchor clamps for bevel gear pivot processing | |
| CN214769460U (en) | Gear ring edge milling clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211231 |