CN104440155A - Flexible clamp device for machining airplane composite material stringer and method thereof - Google Patents
Flexible clamp device for machining airplane composite material stringer and method thereof Download PDFInfo
- Publication number
- CN104440155A CN104440155A CN201410635385.9A CN201410635385A CN104440155A CN 104440155 A CN104440155 A CN 104440155A CN 201410635385 A CN201410635385 A CN 201410635385A CN 104440155 A CN104440155 A CN 104440155A
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- China
- Prior art keywords
- long purlin
- chuck
- block
- stationary positioned
- activity orientation
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/002—Milling elongated workpieces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides a flexible clamp device for machining airplane composite material stringer and a method thereof. The flexible clamp device comprises a movable chuck assembly and a locating block assembly. The movable chuck assembly comprises a base, a fixed chuck and a movable chuck, the fixed chuck is fixedly connected with the base. The movable chuck is arranged on the base in a sliding mode and can move towards or away from the fixed chuck. The locating block assembly is arranged between the fixed chuck and the movable chuck and comprises a fixed locating block and a movable locating block. The fixedly locating block is connected to the fixed chuck, and a clearance is reserved between the fixed locating block and the top surface of the base. The movable locating block is connected to the movable chuck, and a clearance is reserved between the movable locating block and the top surface of the base. When the movable chuck moves towards the fixed chuck, the movable chuck drives the movable locating block to move towards the fixed locating block, so that a stringer is clamped between the movable locating block and the fixed locating block.
Description
Technical field
The present invention relates to the flexible fixture device for processing the long purlin of technique for aircraft composite and method thereof.This flexible fixture device can be arranged on numerically controlled processing equipment, and the milling for technique for aircraft composite long purlin structure is processed.
Background technology
Long purlin, as the structural member of a quasi-representative on aircraft, is the strength member of composition aircraft wing skins, fuselage wallboard and empennage wallboard.The feature of this kind of part is: main employing carbon fibre composite curing molding, and its edge strip all needs to carry out trim process; Significant slim-lined construction feature, length is maximum reaches 20000mm, and width generally about only has 100mm; It is very many that every airplane comprises long purlin quantity, about about 150.These long purlin versions are similar, but size is different.
The current long purlin of Domestic Aircraft composite mainly completes processing by milling on large-scale five-axis NC machine center, the processing tool adopted is based on traditional presser type fixture, and this fixture mainly adopts all multi-platens to be installed the lower edge strip of long purlin to realize being installed of whole long purlin.This mode of being installed has many weak points: because of the lower edge strip that is only installed, on processing, easily produce seismism during edge strip; Under processing, need repeatedly to adjust pressing plate in edge strip process repeat to be installed; All need to be equipped with a set of independent fixture for the long purlin that every root is different.Therefore adopt this traditional fixture can not ensure workpiece processing quality well, and cost is very high.
Therefore, for the feature of technique for aircraft composite long purlin class part, designing the clamp for machining that a kind of flexibility is high, reliability is high, is the key ensureing technique for aircraft composite long purlin crudy, reduce production cost.
Summary of the invention
The present invention is directed to that poor reliability that existing technique for aircraft composite long purlin milling clamp exists, form are single, high in cost of production problem, a kind of flexible fixture device for processing the long purlin of technique for aircraft composite and method thereof are provided, the conversion of technique for aircraft composite long purlin geometrical shapes can be adapted to, realize the reliable location clamping to technique for aircraft composite long purlin structure.
The present invention is realized by following technical scheme:
According to a first aspect of the invention, a kind of flexible fixture device for processing the long purlin of technique for aircraft composite being provided, comprising:
Removable chuck assembly, it comprises base, fixed chuck and active chuck, and described fixed chuck is fixedly connected with described base, and described active chuck to be slidably disposed on described base and to move towards or away from described fixed chuck; And
Locating piece assembly, it is arranged between described fixed chuck and described active chuck, described locating piece assembly comprises stationary positioned block and activity orientation block, described stationary positioned block is connected to described fixed chuck and also and between the top surface of described base there is gap, and described activity orientation block is connected to described active chuck and also and between the top surface of described base there is gap;
Wherein, when described active chuck moves towards described fixed chuck, described active chuck drives described activity orientation block to move towards described stationary positioned block, to be clamped between described activity orientation block and described stationary positioned block described long purlin.
Wherein, described flexible fixture device also comprises termination positioning component, described termination positioning component comprises termination locating piece and alignment pin, described termination locating piece is arranged in the side of described stationary positioned block and is provided with grooved hole, and described alignment pin passes described grooved hole to coordinate with the locating hole on the web of described long purlin.
Wherein, upper surface and the lower surface of described stationary positioned block and/or described activity orientation block are respectively equipped with roll setting groove, to carry out milling by milling cutter to the upper edge strip of described long purlin and lower edge strip.
Wherein, described stationary positioned block is connected to described fixed chuck by connecting key, and described activity orientation block is connected to described active chuck by connecting key.
According to a second aspect of the invention, a kind of method for processing the long purlin of technique for aircraft composite is provided, it uses the flexible fixture device for processing the long purlin of technique for aircraft composite according to a first aspect of the invention, and it is characterized in that, described method comprises step:
(1) according to the length of long purlin to be processed, the quantity setting removable chuck assembly and the position of arranging on the length direction of described long purlin;
(2) according to the contour structures of long purlin to be processed, the locating piece assembly matched is designed and produced;
(3) locating piece assembly is connected to removable chuck assembly, wherein, the stationary positioned block of described locating piece assembly be connected to described removable chuck assembly fixed chuck and and there is gap between the top surface of the base of described removable chuck assembly, the activity orientation block of described locating piece assembly be connected to described removable chuck assembly active chuck and and there is gap between the top surface of the base of described removable chuck assembly, make to keep a segment distance between described activity orientation block and described stationary positioned block;
(4) described flexible fixture device is put in long purlin to be processed, the alignment pin of the termination positioning component of described flexible fixture device is passed the grooved hole of described termination positioning component to coordinate with the locating hole on the web of described long purlin, realize location in their length direction, described long purlin; Described long purlin is pressed downwards, makes the inner surface of the upper edge strip of described long purlin be close to described stationary positioned block and described activity orientation block, realize location in its height direction, described long purlin; Described active chuck is moved towards described fixed chuck, the web of described long purlin is close between described stationary positioned block and described activity orientation block, realize location in its width direction, described long purlin;
(6) adopt milling cutter along the upper edge strip of long purlin described in the roll setting slot machining on described stationary positioned block and described activity orientation block;
(7) dismantle described long purlin and described long purlin, described stationary positioned block and described activity orientation block are turned upside down, described flexible fixture device is put in described long purlin, the alignment pin of the termination positioning component of described flexible fixture device is passed the grooved hole of described termination positioning component to coordinate with the locating hole on the web of described long purlin, realize location in their length direction, described long purlin; Described long purlin is pressed downwards, makes the inner surface of the lower edge strip of described long purlin be close to described stationary positioned block and described activity orientation block, realize location in its height direction, described long purlin; Described active chuck is moved towards described fixed chuck, the web of described long purlin is close between described stationary positioned block and described activity orientation block, realize location in its width direction, described long purlin;
(8) adopt milling cutter along the lower edge strip of long purlin described in the roll setting slot machining on described stationary positioned block and described activity orientation block.
Advantage of the present invention is: the quantity for the long purlin of technique for aircraft composite is large, version and the different feature of size, a whole set of flexible fixture device of the present invention, owing to have employed removable chuck assembly, realizes the multipoint clamping to the long purlin of different length by adjustment chuck quantity and position.
Meanwhile, only need simple adjustment positioning block structure form, the location to the long purlin of different structure form composite and clamping can be realized.Whole flexible fixture device has high flexibility and high reliability feature, easy to operate, efficiency is high, cost is low.
Accompanying drawing explanation
Preferred embodiment by describing in detail below in conjunction with accompanying drawing is understood by further feature of the present invention and advantage better, wherein:
Fig. 1 shows the structural representation according to flexible fixture device of the present invention;
Fig. 2 shows the viewgraph of cross-section of the flexible fixture device in Fig. 1;
Fig. 3 shows the using state figure of the flexible fixture device in Fig. 1;
Fig. 4 shows the viewgraph of cross-section of the upper edge strip of the flexible fixture device processing long purlin of technique for aircraft composite used in Fig. 1; And
Fig. 5 shows the viewgraph of cross-section of the lower edge strip of the flexible fixture device processing long purlin of technique for aircraft composite used in Fig. 1.
Detailed description of the invention
In the specific descriptions of following preferred embodiment, with reference to the accompanying drawing formed appended by a part of the present invention.Appended accompanying drawing shows by way of example and can realize specific embodiment of the present invention.The embodiment of example is not intended to limit according to all embodiments of the present invention.Be appreciated that under the prerequisite not departing from scope of the present invention, other embodiments can be utilized, also can carry out amendment that is structural or logicality.
As shown in Fig. 1 to Fig. 2, flexible fixture device of the present invention mainly comprises removable chuck assembly 10, locating piece assembly 20 and termination positioning component 30.Wherein removable chuck assembly 10 is arranged on numerical control machine tool, removable chuck assembly 10 comprises base 11, fixed chuck 12 and active chuck 13, fixed chuck 12 is fixedly connected with base 11, and active chuck 13 is slidably disposed on to move on base 11 and towards or away from fixed chuck 12 and realizes clamping function.Relative position between active chuck 13 and base 11 fixes by the clamping screw known in this area or other mechanical system.Locating piece assembly 20 is arranged between fixed chuck 12 and active chuck 13, locating piece assembly 20 comprises stationary positioned block 21 and activity orientation block 22, stationary positioned block 21 is connected to fixed chuck 12 by connecting key 23 and also and between the top surface of base 11 there is gap, and activity orientation block 22 is connected to active chuck 13 by connecting key 24 and and there is gap between the top surface of base 11.When active chuck 13 moves towards fixed chuck 12, active chuck 13 drives activity orientation block 22 to move towards stationary positioned block 21, to be clamped between activity orientation block 22 and stationary positioned block 21 long purlin 40.
Termination positioning component 30 comprises termination locating piece 31 and alignment pin 32.Wherein termination locating piece 31 has a grooved hole, can coordinate with alignment pin 32.When long purlin 40 is located and is installed between locating piece assembly 20, the termination of long purlin 40 is connected with termination positioning component 30 by connecting pin 32, realizes workpiece location in the longitudinal direction.Each locating piece has roll setting groove, to adopt milling cutter to complete Milling Process along the clean limit of edge strip, long purlin.
For convenience, the length direction of long for technique for aircraft composite purlin is defined as X-direction, and width is defined as Y-direction, and short transverse is defined as Z-direction.Removable chuck assembly 10 is directly provided on lathe, by changing the flexible clamping that quantity that removable chuck assembly 10 arranges in X-direction and position can realize the long purlin of different length, be engaged on removable chuck assembly by the locating piece of design different structure form simultaneously, the location to the long purlin of different structure form (as common " work " type, T-shape and " L " type) and clamping can be realized.
Ginseng is by shown in Fig. 3 to Fig. 5, and the mount method (for the long purlin of " work " type typical in aircraft) of flexible fixture device of the present invention, comprises the following steps:
1) according to the length of long purlin 40 to be processed, the quantity of removable chuck assembly 10 and the position in X-direction arrangement is set;
2) according to the contour structures of long purlin 40 to be processed, the locating piece assembly 20 matched is designed and produced;
3) the stationary positioned block 21 of locating piece assembly 20 is connected to fixed chuck 12 by connecting key 23, the activity orientation block 22 of locating piece assembly 20 is connected to active chuck 13 by connecting key 24, interval is there is between stationary positioned block 21 and activity orientation block 22, namely spaced apart, prepare to be installed long purlin 40;
4) fixture is put in long purlin 40, coordinate with the locating hole on the web of long purlin 40 with termination locating piece 31 and alignment pin 32, realize location in the X direction, long purlin 40; By manual for long purlin 40 toward pressing down, making the inner surface of edge strip (lower surface in Fig. 5) be adjacent to the stationary positioned block 21 of locating piece assembly 20 and the upper surface of activity orientation block 22, realizing location in z-direction, long purlin 40; Active chuck 13 and activity orientation block 22 are slided to the right and clamps long purlin 40, the web of long purlin 40 is close between stationary positioned block 21 and activity orientation block 22, realizes location in the Y direction, long purlin 40, complete the clamping of whole workpiece;
5) milling cutter is adopted to add the upper edge strip of section chief purlin 40 along the roll setting groove 50 on stationary positioned block 21 and activity orientation block 22;
6) long purlin 40 is dismantled, the stationary positioned block 21 of long purlin 40, locating piece assembly 20 and activity orientation block 22 are spun upside down (see Fig. 5), position clamping according to the location clamping mode in step (4), complete the clamping and positioning of the lower edge strip to long purlin 40;
7) milling cutter is adopted to add the lower edge strip of section chief purlin 40 along the roll setting groove 50 on stationary positioned block 21 and activity orientation block 22.
Advantage of the present invention is: the quantity for the long purlin of technique for aircraft composite is large, version and the different feature of size, a whole set of flexible fixture device of the present invention, owing to have employed removable chuck assembly, realizes the multipoint clamping to the long purlin of different length by adjustment chuck quantity and position.
Meanwhile, only need simple adjustment positioning block structure form, the location to the long purlin of different structure form composite and clamping can be realized.Whole flexible fixture device has high flexibility and high reliability feature, easy to operate, efficiency is high, cost is low.
Below technology contents and the technical characterstic of specific embodiments of the invention has been disclosed; but be appreciated that; under creative ideas of the present invention; those skilled in the art can not make various changes in the combination of this feature clearly illustrated and improve above-mentioned disclosed various characteristic sum, but all belongs to protection scope of the present invention.The description of above-described embodiment is exemplary and not restrictive, and protection scope of the present invention determined by claim.
Claims (5)
1. for processing the flexible fixture device of the long purlin of technique for aircraft composite, it is characterized in that, described flexible fixture device comprises:
Removable chuck assembly, it comprises base, fixed chuck and active chuck, and described fixed chuck is fixedly connected with described base, and described active chuck to be slidably disposed on described base and to move towards or away from described fixed chuck; And
Locating piece assembly, it is arranged between described fixed chuck and described active chuck, described locating piece assembly comprises stationary positioned block and activity orientation block, described stationary positioned block is connected to described fixed chuck and also and between the top surface of described base there is gap, and described activity orientation block is connected to described active chuck and also and between the top surface of described base there is gap;
Wherein, when described active chuck moves towards described fixed chuck, described active chuck drives described activity orientation block to move towards described stationary positioned block, to be clamped between described activity orientation block and described stationary positioned block described long purlin.
2. flexible fixture device according to claim 1, it is characterized in that, described flexible fixture device also comprises termination positioning component, described termination positioning component comprises termination locating piece and alignment pin, described termination locating piece is arranged in the side of described stationary positioned block and is provided with grooved hole, and described alignment pin passes described grooved hole to coordinate with the locating hole on the web of described long purlin.
3. flexible fixture device according to claim 1, is characterized in that, upper surface and the lower surface of described stationary positioned block and/or described activity orientation block are respectively equipped with roll setting groove, to carry out milling by milling cutter to the upper edge strip of described long purlin and lower edge strip.
4. the flexible fixture device according to any one of Claim 1-3, is characterized in that, described stationary positioned block is connected to described fixed chuck by connecting key, and described activity orientation block is connected to described active chuck by connecting key.
5., for processing the method for the long purlin of technique for aircraft composite, it uses the flexible fixture device for processing the long purlin of technique for aircraft composite according to any one of claim 1 to 4, and it is characterized in that, described method comprises step:
(1) according to the length of long purlin to be processed, the quantity setting removable chuck assembly and the position of arranging on the length direction of described long purlin;
(2) according to the contour structures of long purlin to be processed, the locating piece assembly matched is designed and produced;
(3) locating piece assembly is connected to removable chuck assembly, wherein, the stationary positioned block of described locating piece assembly be connected to described removable chuck assembly fixed chuck and and there is gap between the top surface of the base of described removable chuck assembly, the activity orientation block of described locating piece assembly be connected to described removable chuck assembly active chuck and and there is gap between the top surface of the base of described removable chuck assembly, make to keep a segment distance between described activity orientation block and described stationary positioned block;
(4) described flexible fixture device is put in long purlin to be processed, the alignment pin of the termination positioning component of described flexible fixture device is passed the grooved hole of described termination positioning component to coordinate with the locating hole on the web of described long purlin, realize location in their length direction, described long purlin; Described long purlin is pressed downwards, makes the inner surface of the upper edge strip of described long purlin be close to described stationary positioned block and described activity orientation block, realize location in its height direction, described long purlin; Described active chuck is moved towards described fixed chuck, the web of described long purlin is close between described stationary positioned block and described activity orientation block, realize location in its width direction, described long purlin;
(5) adopt milling cutter along the upper edge strip of long purlin described in the roll setting slot machining on described stationary positioned block and described activity orientation block;
(6) dismantle described long purlin and described long purlin, described stationary positioned block and described activity orientation block are turned upside down, described flexible fixture device is put in described long purlin, the alignment pin of the termination positioning component of described flexible fixture device is passed the grooved hole of described termination positioning component to coordinate with the locating hole on the web of described long purlin, realize location in their length direction, described long purlin; Described long purlin is pressed downwards, makes the inner surface of the lower edge strip of described long purlin be close to described stationary positioned block and described activity orientation block, realize location in its height direction, described long purlin; Described active chuck is moved towards described fixed chuck, the web of described long purlin is close between described stationary positioned block and described activity orientation block, realize location in its width direction, described long purlin;
(7) adopt milling cutter along the lower edge strip of long purlin described in the roll setting slot machining on described stationary positioned block and described activity orientation block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410635385.9A CN104440155B (en) | 2014-11-12 | 2014-11-12 | Flexible clamp device for machining airplane composite material stringer and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410635385.9A CN104440155B (en) | 2014-11-12 | 2014-11-12 | Flexible clamp device for machining airplane composite material stringer and method thereof |
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| CN104440155A true CN104440155A (en) | 2015-03-25 |
| CN104440155B CN104440155B (en) | 2017-05-17 |
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| CN201410635385.9A Active CN104440155B (en) | 2014-11-12 | 2014-11-12 | Flexible clamp device for machining airplane composite material stringer and method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106166682A (en) * | 2016-08-31 | 2016-11-30 | 泰安九和机电设备有限公司 | A kind of work pieces process compression tooling system and workpiece side process fixing means |
| WO2018088139A1 (en) * | 2016-11-11 | 2018-05-17 | 三菱重工業株式会社 | Component production method, and component production system |
| CN108943776A (en) * | 2018-06-27 | 2018-12-07 | 西安飞机工业（集团）有限责任公司 | A kind of detachable is adjustable stringer clamping and positioning device and localization method |
| CN111392410A (en) * | 2020-04-02 | 2020-07-10 | 常州市新创智能科技有限公司 | I-shaped stringer core mold transfer device and method |
| FR3121062A1 (en) | 2021-03-26 | 2022-09-30 | Airbus Operations (S.A.S.) | device for clamping a raw panel to be machined |
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| CN111392410A (en) * | 2020-04-02 | 2020-07-10 | 常州市新创智能科技有限公司 | I-shaped stringer core mold transfer device and method |
| CN111392410B (en) * | 2020-04-02 | 2020-10-02 | 常州市新创智能科技有限公司 | I-shaped stringer core mold transfer device and method |
| FR3121062A1 (en) | 2021-03-26 | 2022-09-30 | Airbus Operations (S.A.S.) | device for clamping a raw panel to be machined |
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