CN109396894B - Clamp body for machining intermediate casing surface and hole - Google Patents
Clamp body for machining intermediate casing surface and hole Download PDFInfo
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- CN109396894B CN109396894B CN201811510855.3A CN201811510855A CN109396894B CN 109396894 B CN109396894 B CN 109396894B CN 201811510855 A CN201811510855 A CN 201811510855A CN 109396894 B CN109396894 B CN 109396894B
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- face
- hole
- positioning block
- fixture body
- machining
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a fixture body for machining a medium casing thickness surface and a hole, which comprises a base (3), wherein the upper end surface of the base (3) is an inclined plane, a positioning block (2) is arranged on the inclined plane, the positioning block (2) is of a two-layer stepped ring structure, and pressing plates (4) are arranged on the periphery of the positioning block (2). Through the device, the cylindrical part of the intermediate case can be stably clamped, so that the surface to be processed is vertical, and the alignment is convenient. The problems of low machining quality stability and low machining efficiency of the intermediate casing are solved, machining and using requirements are met, the machining efficiency is greatly improved, the machining cost is reduced, and the problem of medium and small-batch machining is solved.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a clamp for a cylindrical part.
Background
The intermediate casing is an engine core component, and the quality of the intermediate casing directly influences the quality of engine parts. An aircraft engine intermediate case has a plane for mounting a drive shaft and a hole in the plane, and has a very high accuracy requirement. At present, five-axis machining centers are mostly adopted for machining the parts with the same dimensional surface, although the machining method can meet the requirements, the machining allowance is large, the machining rigidity is poor, the machining period is long, the machining cost is too high, the machining size precision is unstable, and the machining method is not beneficial to machining small and medium-batch parts.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the simple and practical degree face clamp is designed and manufactured to solve the problem of medium and small batch processing of the degree face of the intermediate case part on the common precision equipment, meanwhile, the processing efficiency and the processing quality are improved, and the processing cost of the part is reduced.
The technical scheme of the invention is as follows: the fixture body for machining the casing thickness surface and the hole of the intermediary machine comprises a base, wherein the upper end surface of the base is an inclined plane, a positioning block is arranged on the inclined plane, the positioning block is of a two-layer stepped ring structure, and pressing plates are arranged around the positioning block.
The positioning block is provided with a positioning pin base on the end face of the second step of the positioning block, and a feeler block is arranged on the side face of the positioning pin base.
The front end face of the base is provided with a circle aligning pin hole.
The aligning block is provided with a aligning round pin hole.
The invention has the beneficial effects that: through the device, the cylindrical part of the intermediate case can be stably clamped, so that the surface to be processed is vertical, and the alignment is convenient. The problems of low machining quality stability and low machining efficiency of the intermediate casing are solved, machining and using requirements are met, the machining efficiency is greatly improved, the machining cost is reduced, and the problem of medium and small-batch machining is solved.
Drawings
FIG. 1 is a schematic view of the construction of the clip of the present invention.
FIG. 2 is a schematic view of the structure of a part to be machined.
FIG. 3 is a schematic view of the apparatus after clamping a part.
Detailed Description
The invention will be further described with reference to the following drawings and specific embodiments:
fig. 2 is a schematic structural diagram of an intermediate casing component to be machined, in which a square surface to be machined 14 on a variable cross-section transition arc segment and an upper hole 15 are required to be machined. The lower end face of the part is provided with a circular port, the inner wall face of the port is provided with two step faces, in the figure, 12 is the end face of a first step, 11 is the circular ring face of a second step, and the end face 12 of the first step is also provided with a part hole 13.
The designed clamp structure is shown in figure 2, the main body of the clamp is a base 3, the upper end face of the base 3 is an inclined plane, a positioning block 2 is installed on the inclined plane, the positioning block 2 is of a two-layer stepped ring structure, a pressing plate 4 is arranged around the positioning block 2, and the pressing plate 4 is installed on the inclined plane of the base 3 through bolts and positioning rods. The side of the base 3 is provided with a feeler block 1. The front end face of the base 3 is provided with a centering round pin hole, and the tool block 1 is provided with a centering round pin hole.
During clamping, an intermediary cartridge receiver part to be machined is buckled on the positioning block 2, the end face of a second-stage step of a circular port of the intermediary cartridge receiver part is matched with the end face of a first-stage step of the positioning block 2, the annular surface 11 of the second-stage step of the part is matched with the annular surface 7 of the second-stage step of the positioning block 2, the end face 12 of the first-stage step of the part is matched with the end face 8 of the second-stage step of the positioning block 2, and the end face 8 of the second-stage step is provided with a positioning pin 9 which is matched with the part hole 11. the positioning pin 9 is arranged on the positioning pin 9. After fastening, the bolts of the four pressing plates 4 are screwed.
Claims (4)
1. The utility model provides a anchor clamps body for processing intermediary machine casket degree face and hole, includes base (3), its characterized in that: the upper end face of the base (3) is an inclined slope, a positioning block (2) is mounted on the slope, the positioning block (2) is of a two-layer stepped ring structure, a pressing plate (4) is arranged on the periphery of the positioning block (2), a positioning pin (9) is arranged on the second-stage stepped end face (8) of the positioning block (2), and the part of the intermediary case part needing to be processed is a square plane (14) to be processed on a variable cross-section transition arc section and a hole (15) above the square plane; the lower end face of the intermediate case part is provided with a circular port, the inner wall face of the port is provided with two step faces, a circle of part hole (13) is formed in the first step end face (12), the intermediate case part to be processed is buckled on the positioning block (2) during clamping, the second step end face of the circular port of the intermediate case part is matched with the first step end face of the positioning block (2), the annular face (11) of the first step of the intermediate case part is matched with the annular face (7) of the second step of the positioning block (2), the first step end face (12) of the intermediate case part is matched with the second step end face (8) of the positioning block (2), and the positioning pin (9) is matched with the part hole (13); the fixture body clamps the intermediate machine brake part and then enables a plane (14) to be processed to be vertical.
2. The fixture body of claim 1, wherein the fixture body is configured to machine a through-hole and a through-hole of an intermediate casing, the fixture body comprising: the side surface of the base (3) is provided with a feeler block (1).
3. The fixture body of claim 1, wherein the fixture body is configured to machine a through-hole and a through-hole of an intermediate casing, the fixture body comprising: the front end face of the base (3) is provided with a circle aligning pin hole.
4. The fixture body of claim 2, wherein the fixture body is configured to machine the intermediate casing face and the hole, and further comprising: the aligning block (1) is provided with a aligning round pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811510855.3A CN109396894B (en) | 2018-12-11 | 2018-12-11 | Clamp body for machining intermediate casing surface and hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811510855.3A CN109396894B (en) | 2018-12-11 | 2018-12-11 | Clamp body for machining intermediate casing surface and hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109396894A CN109396894A (en) | 2019-03-01 |
| CN109396894B true CN109396894B (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811510855.3A Active CN109396894B (en) | 2018-12-11 | 2018-12-11 | Clamp body for machining intermediate casing surface and hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109396894B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110842842B (en) * | 2019-11-19 | 2021-10-12 | 中国航发贵州黎阳航空动力有限公司 | Force-limiting assembly method and device for components of turbofan aircraft engine lubricating oil system |
| CN112059553B (en) * | 2020-09-08 | 2021-11-05 | 中国航发沈阳黎明航空发动机有限责任公司 | Multiple cross machining method for intermediary case |
| CN112222884A (en) * | 2020-09-25 | 2021-01-15 | 中国航发沈阳黎明航空发动机有限责任公司 | Clamping device and clamping method for cantilever type thin-wall casing part |
| CN114714119B (en) * | 2022-05-05 | 2023-06-23 | 中国航发航空科技股份有限公司 | Clamping device for supporting plate of intermediate case |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204771841U (en) * | 2015-07-14 | 2015-11-18 | 杭州蓝圣阀门有限公司 | Automatic minute adjustment frock of sealed face processing of triple offset butterfly valve |
| CN106378649A (en) * | 2016-11-25 | 2017-02-08 | 防城港市*** | Drilling positioning fixture |
| CN207414859U (en) * | 2017-10-17 | 2018-05-29 | 西安飞机工业（集团）有限责任公司 | A kind of NC machining parts close the clamping device at angle |
| CN108340171A (en) * | 2018-02-05 | 2018-07-31 | 河南平高电气股份有限公司 | Fixture for processing the angling hole on revolving body workpieces |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU663533A1 (en) * | 1978-02-16 | 1979-05-25 | Borukhman Ilya A | Method and apparatus for reference positioning of housing components |
| GB0813197D0 (en) * | 2008-07-18 | 2008-08-27 | Fripp Design Ltd | Apparatus for securing a workpiece |
| CN105345472B (en) * | 2015-11-20 | 2017-06-09 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of non-orthogonal configuration casing processing method and fixture |
| CN206839238U (en) * | 2017-06-23 | 2018-01-05 | 湖州师范学院 | Numerical control borer bore hole tool setting mechanism |
| CN207900699U (en) * | 2018-01-02 | 2018-09-25 | 天津和光精密模具有限公司 | A kind of housing part digital control processing workbench |
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2018
- 2018-12-11 CN CN201811510855.3A patent/CN109396894B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204771841U (en) * | 2015-07-14 | 2015-11-18 | 杭州蓝圣阀门有限公司 | Automatic minute adjustment frock of sealed face processing of triple offset butterfly valve |
| CN106378649A (en) * | 2016-11-25 | 2017-02-08 | 防城港市*** | Drilling positioning fixture |
| CN207414859U (en) * | 2017-10-17 | 2018-05-29 | 西安飞机工业（集团）有限责任公司 | A kind of NC machining parts close the clamping device at angle |
| CN108340171A (en) * | 2018-02-05 | 2018-07-31 | 河南平高电气股份有限公司 | Fixture for processing the angling hole on revolving body workpieces |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109396894A (en) | 2019-03-01 |
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