CN107336041B - Machining method of unequal angle section bar and milling clamp thereof - Google Patents
Machining method of unequal angle section bar and milling clamp thereof Download PDFInfo
- Publication number
- CN107336041B CN107336041B CN201710538207.8A CN201710538207A CN107336041B CN 107336041 B CN107336041 B CN 107336041B CN 201710538207 A CN201710538207 A CN 201710538207A CN 107336041 B CN107336041 B CN 107336041B
- Authority
- CN
- China
- Prior art keywords
- pressing
- positioning
- block
- unequal angle
- sides
- 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.)
- Active
Links
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The milling clamp comprises a flat base, a positioning seat, a pressing block, a detachable positioning block, an inclined surface positioning block and a pressing mechanism, wherein the positioning seat is vertically fixed on the flat base; the side edges of the unequal angle materials are attached to the positioning seat, the outer sides of the other sides of the angle materials are attached to the inclined plane positioning blocks, the pressing blocks are attached to the inner sides of the unequal angle materials, the pressing plates of the pressing devices are pressed on the step surfaces of the pressing blocks in a pressing mode, positioning and mounting of the angle materials are completed, and milling processing of the unequal angle materials is conducted.
Description
Technical Field
The application relates to the field of aircraft part machining, in particular to a machining method of unequal angle bars and a milling clamp thereof.
Background
The angle is an aircraft connector and can be assembled into various stress components according to different requirements of structures. The angle material is divided into an equilateral angle material and an unequal angle material, and the milling processing of two sides of the equilateral angle material is generally carried out by only needing one set of milling clamp, and when one side is processed, the part is rotated for 180 degrees, so that the other side can be processed. For unequal angle materials, as shown in the product 1 of fig. 1, the product comprises an angle material short side 2 and an angle material long side 3, and the fixture design is carried out according to the milling requirement of the angle material short side. After the short edges of the angle materials are machined, the parts are rotated, and the milling clamp cannot meet the requirement of machining the long edges of the angle materials, so that two sets of clamps are needed. Therefore, the manufacturing cost is increased, the production period is prolonged, and meanwhile, the production efficiency is reduced in the process of moving parts back and forth, so that a novel structure is required to be designed to solve the actual production problem.
Disclosure of Invention
The utility model aims at solving the practical problems existing in the production of airplane parts, and provides a processing method and a milling fixture for unequal angle materials, which are simple in structure and convenient to operate.
The milling clamp comprises a flat base, a positioning seat, a pressing block, a detachable positioning block, an inclined surface positioning block and a pressing mechanism, wherein the positioning seat is vertically fixed on the flat base, the height of the positioning seat corresponds to the height of a short side of the unequal angle material, the detachable positioning block can be arranged at the top of the positioning seat, the height of the detachable positioning block compensates the height difference between a long side and a short side of the unequal angle material, the section of the pressing block is in a triangular shape consisting of a step-shaped broken line side and two straight line sides, the included angle of the two straight line sides of the pressing block corresponds to the included angle of the inner side of the unequal angle material, the included angle of the inclined surface positioning block and the included angle of the two straight line sides of the pressing block are mutually remained, the pressing mechanism is fixed on the flat base, and the pressing plate of the pressing mechanism can be pressed on the step surface of the pressing block; 2) The short sides of the unequal angle materials are attached to the positioning seat, the outer sides of the long sides of the angle materials are attached to the inclined plane positioning blocks, the pressing blocks are attached to the inner sides of the unequal angle materials, the pressing plates of the pressing devices are pressed on the step surfaces of the pressing blocks, the first positioning and mounting of the angle materials are completed, and milling processing of the short sides of the unequal angle materials is implemented; 3) The detachable positioning block is arranged at the top of the positioning seat through the connecting piece, the long side of the unequal angle material is attached to the positioning seat, the outer side of the short side of the angle material is attached to the inclined positioning block, the pressing block is attached to the inner side of the unequal angle material, the pressing plate of the pressing device is used for pressing and connecting the step surface of the pressing block to complete the second positioning and installation of the unequal angle material, and the milling processing of the long side of the unequal angle material is implemented.
The milling fixture has the advantages that the milling fixture can be used for simultaneously processing two sides of the unequal-side angle material, and the milling fixture is also applicable to the section materials with the same section. When the machined part is of an unequal cross section shape, the milling clamp can be utilized for machining, and meanwhile, the milling clamp is simple in structure, convenient to operate, low in manufacturing cost and high in production efficiency.
The present application is described in further detail below with reference to the drawings of embodiments.
Drawings
Fig. 1 is a schematic view of a non-equilateral angle piece.
Fig. 2 is a schematic view of a method of machining a non-equilateral angle piece.
Fig. 3 is a schematic view of a short side structure of a processed non-equilateral angle bar.
Fig. 4 is a schematic view of a long side structure of a processed non-equilateral angle bar.
The numbering in the figures illustrates: the device comprises a non-equilateral angle bar 1, a short side 2, a long side 3, a flat base 4, a pressing mechanism 5, a bevel positioning block 6, a pressing block 7, a detachable positioning block 8, a connecting piece 9, a positioning seat 10, a pressing plate 11 and a positioning key 12.
Detailed Description
Referring to the drawings, the unequal angle section is shown in fig. 1, the heights of two sides of the unequal angle section 1 are different, the milling fixture for the unequal angle section provided by the application comprises a flat base 4, a positioning seat 10, a pressing block 7, a detachable positioning block 8, an inclined surface positioning block 6 and a pressing mechanism 5, the positioning seat 10 is vertically fixed on the flat base 4, the height of the positioning seat corresponds to the height of a short side 2 of the unequal angle section, the detachable positioning block 8 can be arranged at the top of the positioning seat 10, the height of the detachable positioning block 8 compensates the height difference between a long side 3 and the short side 2 of the unequal angle section, the section of the pressing block 7 is in a triangular shape formed by a step-shaped folding line side and two straight sides, the included angle of the two straight sides of the pressing block 7 corresponds to the inner included angle of the unequal angle section 1, the inclined surface positioning block 6 and the included angle of the two straight sides of the pressing block 7 are mutually balanced, the pressing mechanism 5 is fixed on the flat base 4, and the pressing plate 11 of the pressing mechanism 5 can be pressed on the step surface of the pressing block 7.
As shown in fig. 3, when the short sides 2 of the unequal angle materials are processed, the short sides 2 of the unequal angle materials 1 are attached to the positioning seat 10, the outer sides of the long sides 3 of the angle materials are attached to the inclined surface positioning blocks 6, the pressing blocks 7 are attached to the inner sides of the unequal angle materials 1, and the pressing plates 11 of the pressing devices 5 are pressed on the step surfaces of the pressing blocks 7 in a pressing mode, so that the first positioning and installation of the angle materials are completed. After the positioning and mounting of the angle bars are completed, the milling fixture is connected to a machine tool by utilizing the positioning key 12 arranged at the bottom of the plane base 4 to be matched with a key groove of the machine tool, and the milling processing of the short sides 2 of the unequal angle bars is implemented.
When the long sides 3 of the unequal angle materials are processed, the detachable positioning blocks 8 are installed at the top of the positioning seat 10 through the connecting pieces 9, the long sides 3 of the unequal angle materials are attached to the positioning seat 10, the outer sides of the short sides 2 of the angle materials are attached to the inclined surface positioning blocks 6, the pressing blocks 7 are attached to the inner sides of the unequal angle materials 1, the pressing plates 11 of the pressing devices 5 are pressed on the step surfaces of the pressing blocks 7, the second positioning installation of the unequal angle materials is completed, and the milling processing of the long sides 3 of the unequal angle materials 1 is implemented.
It is emphasized that in order to compensate the positioning height of the long edges 3 of the angle bars, the present application uses the connecting piece 9 to connect the detachable positioning block 8 to the positioning seat 10, so as to ensure the stability of the parts. In practice, in order to position accurately, the top end of the positioning seat 10 is designed into a groove shape, the lower end of the detachable positioning block 8 is designed into a boss shape, and the detachable positioning block 8 and the positioning seat 10 are positioned on the same plane by utilizing the matching of the boss and the groove and the matching tolerance of H8/H6, so that the positioning accuracy of the part is ensured.
Claims (1)
1. The processing method of the unequal angle section is characterized in that 1) a milling clamp is arranged, the milling clamp comprises a flat base, a positioning seat, a pressing block, a detachable positioning block, an inclined surface positioning block and a pressing mechanism, wherein the positioning seat is vertically fixed on the flat base, the height of the positioning seat corresponds to the height of a short side of the unequal angle section, the detachable positioning block can be arranged at the top of the positioning seat, the top end of the positioning seat is designed into a groove shape, the lower end of the detachable positioning block is designed into a matched boss shape, the height of the detachable positioning block compensates the height difference between a long side and a short side of the unequal angle section, the section of the pressing block is in a triangular shape formed by a step-shaped broken line side and two straight sides, the included angle between the two straight sides of the pressing block corresponds to the included angle between the inner sides of the unequal angle section, the inclined surface positioning block and the two straight sides of the pressing block are mutually remained, the pressing mechanism is fixed on the flat base, and the pressing plate of the pressing mechanism can be pressed on the step surface of the pressing block; 2) When the short sides of the unequal angle materials are processed, the short sides of the unequal angle materials are attached to a positioning seat, the outer sides of the long sides of the angle materials are attached to an inclined plane positioning block, a pressing block is attached to the inner sides of the unequal angle materials, a pressing plate of a pressing device is used for pressing the pressing block on a step surface of the pressing block, after the first positioning and installation of the angle materials are completed, a milling fixture is connected to a machine tool, and milling processing of the short sides of the unequal angle materials is implemented; 3) When the long side of the unequal angle section bar is processed, the detachable positioning block is arranged at the top of the positioning seat through the connecting piece, the long side of the unequal angle section bar is attached to the positioning seat, the outer side of the short side of the angle section bar is attached to the inclined surface positioning block, the pressing block is attached to the inner side of the unequal angle section bar, the pressing plate of the pressing device is pressed on the step surface of the pressing block, and after the second positioning and installation of the unequal angle section bar are completed, the milling fixture is connected to the machine tool, and the milling processing of the long side of the unequal angle section bar is implemented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710538207.8A CN107336041B (en) | 2017-07-04 | 2017-07-04 | Machining method of unequal angle section bar and milling clamp thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710538207.8A CN107336041B (en) | 2017-07-04 | 2017-07-04 | Machining method of unequal angle section bar and milling clamp thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107336041A CN107336041A (en) | 2017-11-10 |
| CN107336041B true CN107336041B (en) | 2023-05-23 |
Family
ID=60219392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710538207.8A Active CN107336041B (en) | 2017-07-04 | 2017-07-04 | Machining method of unequal angle section bar and milling clamp thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107336041B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014797A (en) * | 2018-09-20 | 2018-12-18 | 重庆水轮机厂有限责任公司 | A kind of Damper Rings in Synchronous Generator connection piece making method |
| CN109531215B (en) * | 2018-12-14 | 2020-10-30 | 中航沈飞民用飞机有限责任公司 | H-shaped super-long material pneumatic clamping device for large airplane and milling method |
| CN112276629A (en) * | 2020-09-29 | 2021-01-29 | 无锡市红年金属制品科技有限公司 | Trapezoidal copper bar milling and fixing tool and using method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10291114A (en) * | 1997-04-16 | 1998-11-04 | Nkk Corp | Device for removing lug from angle steel unequal in side and thickness |
| CN202591452U (en) * | 2012-05-18 | 2012-12-12 | 滁州启鹏铁塔制造有限公司 | Angle steel punching and positioning device |
| CN207043773U (en) * | 2017-07-04 | 2018-02-27 | 西安飞机工业（集团）有限责任公司 | A kind of milling clamp of inequilateral angle section |
-
2017
- 2017-07-04 CN CN201710538207.8A patent/CN107336041B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10291114A (en) * | 1997-04-16 | 1998-11-04 | Nkk Corp | Device for removing lug from angle steel unequal in side and thickness |
| CN202591452U (en) * | 2012-05-18 | 2012-12-12 | 滁州启鹏铁塔制造有限公司 | Angle steel punching and positioning device |
| CN207043773U (en) * | 2017-07-04 | 2018-02-27 | 西安飞机工业（集团）有限责任公司 | A kind of milling clamp of inequilateral angle section |
Non-Patent Citations (2)
| Title |
|---|
| 王钟晋.旋转升降式大型装焊夹具.专用汽车.(第01期),全文. * |
| 苏艳红 ; 石俊华 ; .型材双层冲切工艺与模具.模具技术.(第03期),全文. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107336041A (en) | 2017-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107336041B (en) | Machining method of unequal angle section bar and milling clamp thereof | |
| CN107398758B (en) | Positioning and clamping tool | |
| CN207043773U (en) | A kind of milling clamp of inequilateral angle section | |
| CN204321671U (en) | A kind of right angle gear Gearbox facing cut fixture | |
| CN105834797B (en) | A kind of processing tool of Machining of Vortex Disk of Vortex Compressor | |
| CN205032979U (en) | A milling fixture that is used for square tenon blade of inclination | |
| CN202412246U (en) | Workbench locating device | |
| CN203636423U (en) | Quick replacing device for workpieces processed by slotting machine | |
| CN202934293U (en) | Straight triangle welding jig | |
| CN204893447U (en) | Far and near light adjustment sheet hydraulically operated fixture of car headlight | |
| CN204321672U (en) | A kind of right angle gear Gearbox fixture | |
| CN204366479U (en) | A kind of motor aluminum component long shell bores milling positioner | |
| CN211276846U (en) | Multifunctional abnormal-shaped fixing jig | |
| CN203426517U (en) | Split type chamfer forming cutter | |
| CN210388065U (en) | Special-shaped part lever clamping device | |
| CN202894816U (en) | Positioning fixture for fine boring of box body holes | |
| CN209755005U (en) | Sliding type stringer positioning device capable of being rapidly compressed | |
| CN207104641U (en) | Latch hook is ground notch fixture | |
| CN105234705A (en) | Clamp used on mechanical device | |
| CN201195254Y (en) | Adsorption clamp type thin wall member edge-cutting combined fixture | |
| CN202062240U (en) | Special clamp for cold bed track processing | |
| CN104551756A (en) | Rapid clamping device for abnormal part | |
| CN204221596U (en) | Grinder dress in multistation high precision numerical control end | |
| CN206277193U (en) | A kind of elastic locating mechanism | |
| CN204893472U (en) | High symmetry keyway graduation milling fixture |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |