CN112388356A - Thin-wall deep-cavity ring type part turning clamp and clamping method - Google Patents
Thin-wall deep-cavity ring type part turning clamp and clamping method Download PDFInfo
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- CN112388356A CN112388356A CN202011266330.7A CN202011266330A CN112388356A CN 112388356 A CN112388356 A CN 112388356A CN 202011266330 A CN202011266330 A CN 202011266330A CN 112388356 A CN112388356 A CN 112388356A
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- Prior art keywords
- positioning
- ring
- support ring
- base
- uniformly distributed
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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)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a thin-wall deep-cavity ring part turning clamp and a clamping method, wherein the clamp comprises a base, a support ring, a positioning ring and a lifting ring; according to the invention, a group of threaded holes are processed on the part positioning surface, the part positioning surface is connected with the clamp through the screws, and the part positioning surface is lathed and clamped in an axial tensioning mode, so that the good part processing quality and the relatively high processing efficiency are obtained, and the clamping requirement in the thin-wall deep-cavity ring part processing is met. The invention can effectively avoid the deformation of the part caused by the radial clamping force of the clamp, obviously improve the processing quality of the part, has small influence by the structure and the processing part of the part, has wide application range, can be suitable for most part of part processing and clamping, can also shorten the part clamping and aligning time and improve the processing efficiency.
Description
Technical Field
The invention belongs to the technical field of aero-engines, and particularly provides a thin-wall deep-cavity ring part turning clamp and a clamping method.
Background
The thin-wall deep-cavity annular structure is a typical structure of an annular part in a rotor unit body of a compressor of a modern aircraft engine, and the part is clamped in a four-jaw chuck radial clamping mode during machining. Most of thin-wall deep-cavity annular structural parts are poor in rigidity, the parts can bear large radial force during clamping by adopting a four-jaw chuck radial clamping mode, the clamp is disassembled after machining is completed, and after stress is released in a free state, the deformation of the parts is large and the parts are difficult to repair; and when the four-jaw chuck is adopted, the clamping and alignment difficulty of the part is high, and a large amount of time is spent.
Therefore, the part needs to be clamped in an axial clamping mode, the axial pressing mode of the pressing plate or the through-bolts is limited by the structure and the machining position of the part, the part needs to be provided with a compressible technological table when the pressing plate is used for clamping, the part needs to be provided with through holes capable of being penetrated through by the through-bolts when the through-bolts are used for compressing, and the feeding route needs to be paid special attention during machining so as to avoid the interference of the pressing plate, the screws and the cutter and the like; due to the limitation of the structure and the processing position of the part, the clamping can not be carried out by pressing plates or through nails, and the like.
Disclosure of Invention
The invention aims to provide a thin-wall deep-cavity ring part turning clamp and a clamping method.
The technical scheme of the invention is as follows: a thin wall deep cavity lopps part car adds clamping apparatus includes: the device comprises a base, a support ring, a positioning ring and a lifting ring;
the base is provided with a support ring rear positioning pin hole, 8 support ring rear mounting holes which are uniformly distributed along the circumferential direction and 4 machine tool mounting holes which are uniformly distributed along the circumferential direction, and the front side surface of the base is provided with a support ring rear positioning spigot;
the supporting ring is provided with a base positioning pin hole, 8 base mounting holes which are uniformly distributed along the circumferential direction, a positioning ring positioning pin hole, 8 positioning ring mounting holes which are uniformly distributed along the circumferential direction and 2 lifting ring mounting holes;
the positioning ring is provided with a support ring front positioning pin hole, 8 support ring front mounting holes which are uniformly distributed along the circumferential direction and 8 part mounting holes which are uniformly distributed along the circumferential direction, the front side surface of the positioning ring is provided with a part positioning spigot, and the rear side surface of the positioning ring is provided with a support ring front positioning spigot;
the support ring and the base are positioned by matching a support ring rear positioning spigot, a base positioning pin hole and a support ring rear positioning pin hole with a positioning pin, and are fixed by matching a base mounting hole and a support ring rear mounting hole with a fastener;
the support ring and the positioning ring are positioned by a front positioning spigot of the support ring and a positioning pin matched with a front positioning pin hole of the support ring through a positioning pin hole of the positioning ring, and are fixed by a fastener matched with a front mounting hole of the support ring through a mounting hole of the positioning ring;
the support ring is provided with a lifting ring through a lifting ring mounting hole;
the positioning ring and the part are positioned through the part positioning spigot and are fixed through the part mounting hole and 8 threaded holes which are uniformly distributed along the circumferential direction and are formed in the part positioning surface and matched with the fasteners.
The invention also provides a turning and clamping method for the thin-wall deep-cavity ring part, which comprises the following steps:
the first step is as follows: roughly turning the part, and controlling the flatness of a positioning surface of the part, which is in contact with the clamp, within 0.03;
the second step is that: a group of 8 threaded holes which are uniformly distributed along the circumferential direction are processed on the part positioning surface;
the third step: the part is positioned through the part positioning spigot on the positioning ring, and the threaded hole on the part positioning surface is aligned and fixed with the part mounting hole on the positioning ring through the fastener.
The invention has the following beneficial effects:
the invention can effectively avoid the deformation of the part caused by the radial clamping force of the clamp, obviously improve the processing quality of the part, has small influence by the structure and the processing part of the part, has wide application range, can be suitable for most part of part processing and clamping, can also shorten the part clamping and aligning time and improve the processing efficiency.
Drawings
FIG. 1 is a schematic diagram of the material removal amount of a thin-wall deep-cavity ring part in the invention;
FIG. 2 is a schematic view of a thin-walled, deep-lumen ring-like component after material removal in accordance with the present invention;
FIG. 3 is a schematic diagram of a rough turning reference of the parts of the present invention;
FIG. 4 is a front cross-sectional view of a component of the present invention;
FIG. 5 is a cross-sectional view taken along line C of FIG. 4;
FIG. 6 is a side view of the clamp of the present invention;
FIG. 7 is a cross-sectional view A-A of FIG. 6;
FIG. 8 is a side view of the clamp base of the present invention;
FIG. 9 is a cross-sectional view A-A of FIG. 8;
FIG. 10 is a side view of the clamp positioning ring of the present invention;
FIG. 11 is a cross-sectional view A-A of FIG. 10;
FIG. 12 is a side view of a clamp support ring according to the present invention;
FIG. 13 is a cross-sectional view A-A of FIG. 12;
FIG. 14 is a cross-sectional view B-B of FIG. 12;
FIG. 15 is a schematic view of a part being clamped by the clamp of the present invention;
in the figure: 1. a base; 1a, supporting a rear positioning pin hole of the ring; 1b, supporting the rear mounting hole of the ring; 1c, installing holes of a machine tool; 1d, supporting a rear positioning spigot of the ring; 2. a support ring; 2a, a base positioning pin hole; 2b, base mounting holes; 2c, positioning pin holes of positioning rings; 2d, positioning ring mounting holes; 2e, a hanging ring mounting hole; 3. a positioning ring; 3a, a support ring front positioning pin hole; 3b, mounting holes in front of the support ring; 3c, a part mounting hole; 3d, positioning a spigot of the part; 3e, supporting the front positioning spigot of the ring; 4. a hoisting ring; 5. a part; 5a, a threaded hole; 6. a screw; 7. a socket head cap screw; 8. and (7) a cylindrical pin.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
As shown in fig. 6 and 7, a thin-wall deep-cavity ring part turning clamp includes: base 1, support ring 2, holding ring 3 and rings 4.
As shown in fig. 8 and 9, the base 1 is provided with support ring rear positioning pin holes 1a, 8 support ring rear mounting holes 1b uniformly distributed along the circumferential direction and 4 machine tool mounting holes 1c uniformly distributed along the circumferential direction, and the front side surface of the base is provided with a support ring rear positioning spigot 1 d.
As shown in fig. 12, 13 and 14, the support ring 2 is provided with base positioning pin holes 2a, 8 circumferentially and uniformly distributed base mounting holes 2b, positioning ring positioning pin holes 2c, 8 circumferentially and uniformly distributed positioning ring mounting holes 2d and 2 lifting ring mounting holes 2 e.
As shown in fig. 10 and 11, the positioning ring 3 is provided with front positioning pin holes 3a of the support ring, 8 front mounting holes 3b of the support ring uniformly distributed along the circumferential direction, and 8 part mounting holes 3c uniformly distributed along the circumferential direction, and the front side surface of the positioning ring is provided with a part positioning spigot 3d, and the rear side surface of the positioning ring is provided with a front positioning spigot 3e of the support ring.
The support ring 2 and the base 1 are positioned by a support ring rear positioning spigot 1d and a base positioning pin hole 2a and a support ring rear positioning pin hole 1a matched positioning pin, and are fixed by a base mounting hole 2b and a support ring rear mounting hole 1b matched fastener.
The supporting ring 2 and the positioning ring 3 are positioned by a positioning spigot 3e in front of the supporting ring and a positioning pin matched with a positioning pin hole 3a in front of the supporting ring through a positioning pin hole 2c of the positioning ring, and are fixed by a fastener matched with a mounting hole 3b in front of the supporting ring through a mounting hole 2d of the positioning ring.
The support ring 2 is provided with a hanging ring 4 through a hanging ring mounting hole 2 e.
The positioning ring 3 and the part 5 are positioned through a part positioning spigot 3d and are fixed through a part mounting hole 3c and 8 threaded holes 5a which are uniformly distributed along the circumferential direction and are formed in the positioning surface of the part 5 in a matching way of a fastener; FIG. 15 is a schematic view of a part being clamped by the clamp of the present invention.
The clamping method of the thin-wall deep-cavity ring-shaped part turning clamp comprises the following steps:
the first step is as follows: roughly turning the part 5, and controlling the flatness of a positioning surface of the part 5 in contact with the clamp within 0.03;
the second step is that: a group of 8 threaded holes 5a which are uniformly distributed along the circumferential direction are processed on the positioning surface of the part 5;
the third step: the part 5 is positioned through the part positioning spigot 3d on the positioning ring 3, and the threaded hole 5a on the positioning surface of the part 5 is aligned and fixed with the part mounting hole 3c on the positioning ring 3 through a fastener.
The clamp is connected with a machine tool through the base 1, and enough space is reserved through the support ring 2 so as to meet the use space of a wrench for mounting screws during part clamping.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (2)
1. The utility model provides a deep chamber lopps of thin wall part car adds clamping apparatus which characterized in that includes: the device comprises a base (1), a support ring (2), a positioning ring (3) and a lifting ring (4);
the base (1) is provided with a support ring rear positioning pin hole (1a), 8 support ring rear mounting holes (1b) which are uniformly distributed along the circumferential direction and 4 machine tool mounting holes (1c) which are uniformly distributed along the circumferential direction, and the front side surface of the base is provided with a support ring rear positioning spigot (1 d);
a base positioning pin hole (2a), 8 base mounting holes (2b) uniformly distributed along the circumferential direction, a positioning ring positioning pin hole (2c), 8 positioning ring mounting holes (2d) uniformly distributed along the circumferential direction and 2 lifting ring mounting holes (2e) are formed in the supporting ring (2);
the positioning ring (3) is provided with a support ring front positioning pin hole (3a), 8 support ring front mounting holes (3b) which are uniformly distributed along the circumferential direction and 8 part mounting holes (3c) which are uniformly distributed along the circumferential direction, the front side surface of the positioning ring is provided with a part positioning spigot (3d), and the rear side surface of the positioning ring is provided with a support ring front positioning spigot (3 e);
the support ring (2) and the base (1) are positioned by a support ring rear positioning spigot (1d) and a base positioning pin hole (2a) and a support ring rear positioning pin hole (1a) matched with a positioning pin, and are fixed by a base mounting hole (2b) and a support ring rear mounting hole (1b) matched with a fastener;
the support ring (2) and the positioning ring (3) are positioned by a positioning pin matched with a front positioning pin hole (3a) of the support ring through a front positioning spigot (3e) of the support ring and a positioning pin hole (2c) of the positioning ring, and are fixed by a fastener matched with a front mounting hole (3b) of the support ring through a mounting hole (2d) of the positioning ring;
the support ring (2) is provided with a lifting ring (4) through a lifting ring mounting hole (2 e);
the positioning ring (3) and the part (5) are positioned through a part positioning spigot (3d) and are fixed through 8 threaded holes (5a) which are formed in the positioning surface of the part mounting hole (3c) and the part (5) and are uniformly distributed along the circumferential direction in a matching manner through fasteners.
2. The clamping method for the turning clamp for the thin-wall deep-cavity ring-shaped part according to claim 1 is characterized by comprising the following steps of:
the first step is as follows: roughly turning the part (5), and controlling the flatness of a positioning surface of the part (5) contacted with the clamp within 0.03;
the second step is that: a group of 8 threaded holes (5a) which are uniformly distributed along the circumferential direction are machined on the positioning surface of the part (5);
the third step: the part (5) is positioned through a part positioning spigot (3d) on the positioning ring (3), and a threaded hole (5a) on the positioning surface of the part (5) is aligned and fixed with a part mounting hole (3c) on the positioning ring (3) through a fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266330.7A CN112388356A (en) | 2020-11-13 | 2020-11-13 | Thin-wall deep-cavity ring type part turning clamp and clamping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266330.7A CN112388356A (en) | 2020-11-13 | 2020-11-13 | Thin-wall deep-cavity ring type part turning clamp and clamping method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112388356A true CN112388356A (en) | 2021-02-23 |
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ID=74600241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011266330.7A Pending CN112388356A (en) | 2020-11-13 | 2020-11-13 | Thin-wall deep-cavity ring type part turning clamp and clamping method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112388356A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3228521A1 (en) * | 1982-07-30 | 1984-02-02 | Günther Hertel | Tool change holder |
| CN202367505U (en) * | 2011-12-23 | 2012-08-08 | 洛阳轴研科技股份有限公司 | Tooling for processing inside diameter size of annular workpiece |
| CN202701835U (en) * | 2012-07-17 | 2013-01-30 | 四川高龙机械有限公司 | Turning clamp for medium and small-sized precision thin-wall sleeve parts |
| CN204339392U (en) * | 2014-11-16 | 2015-05-20 | 重庆市星极齿轮有限责任公司 | Turning clamp in thin-wall sleeve like members |
| CN204486828U (en) * | 2015-01-13 | 2015-07-22 | 瑞麦（宁波）机械设计制造有限公司 | A kind of end face tension clamp structure |
| CN205520504U (en) * | 2016-01-29 | 2016-08-31 | 江苏民申机械装备有限公司 | Fixture |
| CN205927916U (en) * | 2016-08-30 | 2017-02-08 | 中车株洲电机有限公司 | Lathe and clamping device thereof |
| CN206028741U (en) * | 2016-06-25 | 2017-03-22 | 苏州福乐友机械科技有限公司 | Resistance to deformation thin -walled workpiece turning frock |
-
2020
- 2020-11-13 CN CN202011266330.7A patent/CN112388356A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3228521A1 (en) * | 1982-07-30 | 1984-02-02 | Günther Hertel | Tool change holder |
| CN202367505U (en) * | 2011-12-23 | 2012-08-08 | 洛阳轴研科技股份有限公司 | Tooling for processing inside diameter size of annular workpiece |
| CN202701835U (en) * | 2012-07-17 | 2013-01-30 | 四川高龙机械有限公司 | Turning clamp for medium and small-sized precision thin-wall sleeve parts |
| CN204339392U (en) * | 2014-11-16 | 2015-05-20 | 重庆市星极齿轮有限责任公司 | Turning clamp in thin-wall sleeve like members |
| CN204486828U (en) * | 2015-01-13 | 2015-07-22 | 瑞麦（宁波）机械设计制造有限公司 | A kind of end face tension clamp structure |
| CN205520504U (en) * | 2016-01-29 | 2016-08-31 | 江苏民申机械装备有限公司 | Fixture |
| CN206028741U (en) * | 2016-06-25 | 2017-03-22 | 苏州福乐友机械科技有限公司 | Resistance to deformation thin -walled workpiece turning frock |
| CN205927916U (en) * | 2016-08-30 | 2017-02-08 | 中车株洲电机有限公司 | Lathe and clamping device thereof |
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| 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: 20210223 |