CN115747463B - Large-curvature sheet skin combined type flexible heat treatment charging basket - Google Patents
Large-curvature sheet skin combined type flexible heat treatment charging basket Download PDFInfo
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- CN115747463B CN115747463B CN202211431713.4A CN202211431713A CN115747463B CN 115747463 B CN115747463 B CN 115747463B CN 202211431713 A CN202211431713 A CN 202211431713A CN 115747463 B CN115747463 B CN 115747463B
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- semicircular
- sliding block
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- movable clamping
- sliding blocks
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 10
- 239000010935 stainless steel Substances 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000009966 trimming Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention provides a combined flexible heat treatment charging basket for a large-curvature sheet skin, and belongs to the field of flexible heat treatment clamping of aviation large-curvature sheet skins. The invention is composed of a semicircular basket, sliding blocks and a movable clamping upright post, wherein the semicircular basket is formed by arranging 3 stainless steel supporting beams between an upper semicircular beam and a lower semicircular beam, forming a semicircular column type frame, the upper sliding blocks and the lower sliding blocks are symmetrically connected between the upper semicircular beam and the lower semicircular beam, the movable clamping upright post is arranged between the upper sliding blocks and the lower sliding blocks which are symmetrically arranged, a plurality of lugs are arranged on the movable clamping upright post, and the flexible clamping of the material basket along with the external dimension of a large-curvature sheet skin is realized by adjusting the angles of the upper sliding blocks and the lower sliding blocks and sliding and rotating the movable clamping upright post, and meanwhile, the two semicircular baskets can be combined into a cylindrical material basket for use. According to the invention, through flexible adjustment of the charging basket, the efficient clamping of the sheet skins with various curvatures can be realized by simple operation, the clamping time is shortened, the labor intensity is lightened, the production efficiency is improved, and the product quality is improved.
Description
Technical Field
The invention belongs to the field of heat treatment flexible clamping of aviation large-curvature sheet skins, and relates to a large-curvature sheet skin combined type flexible heat treatment charging basket.
Background
At present, the aircraft manufacturing industry has a large number of large-curvature sheet skins to be subjected to heat treatment, the parts have large curvature, thin thickness and various external dimensions, the skins are flatly paved in a heat treatment charging basket in a cube form in conventional production, and then aluminum wires are used for auxiliary fixation.
The conventional production method brings the following problems:
(1) The large curvature sheet skin is clamped according to tiling, an operator is required to use aluminum wires to bind the skin, and due to the large curvature of the skin, the degree of adhesion of the skin and a cube-shaped heat treatment charging basket is poor, the operator is required to use a plurality of aluminum wires for auxiliary fixation, and the clamping efficiency is low.
(2) The skin deformation of the large-curvature sheet skin after heat treatment is large, manual trimming is needed, and the deformation trimming increases the labor intensity of operators and affects the production efficiency because the hardness of the skin becomes large after heat treatment.
(3) The large-curvature sheet skin is mostly an aircraft fuselage structural member, the quality requirement is high, the deformation of the clamping skin is large according to a conventional mode, the heat treatment deformation trimming of the large-curvature sheet skin is extremely difficult, quality problems such as surface scratch and curvature out-of-tolerance of parts are easy to occur in repeated trimming, skin scrapping can be seriously caused, and the product quality and the production progress are influenced.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the combined type flexible heat treatment charging basket for the large-curvature sheet skin, which can realize the efficient clamping of the various curvature sheet skins through flexible adjustment of the charging basket, reduce the clamping time, lighten the labor intensity, improve the production efficiency and improve the product quality.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a combined flexible heat treatment charging basket with a large-curvature sheet skin comprises a semicircular basket 1, a sliding block 2 and a movable clamping upright post 3. (see FIG. 1)
The semicircular basket 1 is of a frame structure which is integrally in a semi-cylindrical shape, the upper part and the lower part of the semicircular basket are semicircular cross beams (see figure 2), 3 fixed upright posts are arranged between the upper semicircular cross beams and the lower semicircular cross beams for supporting, 3 stainless steel support beams are welded in the upper semicircular cross beams and the lower semicircular cross beams respectively, the 3 support beams are uniformly distributed along the circumference by taking the circle center of the semicircular cross beams as a starting point, so that the included angles between the adjacent support beams and the semicircular cross beams are 45 degrees, and the adjacent support beams respectively form a structure similar to a triangle, so that the integral structure of the material basket is stable, and the deformation of the material basket bearing parts after heat treatment is small; the semicircular basket 1 is provided with holes along the axial direction at symmetrical positions of the upper semicircular beam and the lower semicircular beam (see figure 3), the holes are positioned at 1/7 and 4/7 of the chord height of the semicircular beam, and the holes are bilaterally symmetrical (see figure 4); the two semicircular baskets 1 are connected with the upper semicircular beam and the lower semicircular beam through U-shaped connecting pieces, so that the semicircular baskets 1 are combined into a cylindrical charging basket for use, and the production efficiency is improved (see figure 10).
The sliding block 2 is of a cuboid structure and is divided into an upper sliding block and a lower sliding block, the inner part of the sliding block 2 is divided into an upper layer and a lower layer, each layer is hollow, grooves are formed in the central line positions of the lower surfaces of the upper sliding block and the upper surface of the lower sliding block, a slideway is arranged, one end of the sliding block 2 is opened, the other end of the sliding block is closed, the side walls of the upper layer of the upper sliding block and the lower layer of the lower sliding block are uniformly opened respectively, so that the heat treatment deformation of the sliding block 2 structure is reduced, (see figure 5) the upper sliding block is opened in the central position of the upper surface of the upper layer, a plurality of upper sliding blocks are respectively arranged in the opening positions of semicircular beams on the semicircular basket 1 through bolts, the lower sliding block is opened in the central position of the lower surface of the lower layer, a plurality of lower sliding blocks are respectively arranged in the opening positions of the lower semicircular beams of the semicircular basket 1 through bolts, meanwhile, the sliding block 2 can rotate around the bolts by 360 degrees, the upper sliding blocks and the lower sliding blocks which are arranged in symmetrical position holes on the upper sliding blocks and the lower sliding blocks, and the opening end faces to the same side. (see FIG. 6)
The circular separation blade is welded respectively at removal centre gripping stand 3 both ends, and circular separation blade diameter is greater than slider 2 slide size, is less than slider 2 cavity width dimension, and removes centre gripping stand 3 external diameter and be less than slider 2 slide size, removes centre gripping stand 3 both ends and the adjacent position of circular separation blade and set up the screw thread to mounting nut, removes and sets up a plurality of clamping lugs along each direction on the centre gripping stand 3, and is 90 contained angles between the adjacent clamping lug. (see FIG. 7)
The movable clamping upright posts 3 are provided with a plurality of opening ends, each opening end of each opening end is provided with a group of upper sliding blocks and lower sliding blocks which are symmetrical, the sliding blocks 2 can move in the sliding way, meanwhile, the movable clamping upright posts 3 can rotate around the upright posts of the movable clamping upright posts 3 by 360 degrees due to the fact that the end heads of the movable clamping upright posts 3 are round baffle plates, and the positions of the movable clamping upright posts 3 are fixed by screwing nuts at the two ends of the movable clamping upright posts 3. (see FIG. 8)
Furthermore, the semicircular basket 1, the sliding block 2 and the movable clamping upright post 3 are made of stainless steel materials.
When an operator clamps the high-curvature sheet skin, the lug at the high top point of the chord of the skin is connected to the fixed upright column positioned in the middle of the semicircular basket 1 by using an aluminum wire, the upper sliding block 2 and the lower sliding block 2 are adjusted to a proper angle according to the curvature and the size of the high-curvature sheet skin, the moving range of the movable clamping upright column 3 covers the upper surface and the side lug position of the high-curvature sheet skin, the sliding block 2 is locked on the semicircular cross beam, the movable clamping upright column 3 is moved and rotated, the clamping lug on the movable clamping upright column 3 is close to or coincides with the upper surface and the side lug position of the high-curvature sheet skin, nuts at two ends of the movable clamping upright column 3 are screwed, the positions of the nuts are fixed, and the aluminum wire is used for realizing flexible adjustment of the material basket along with the appearance size of the high-curvature sheet skin along with the shape clamping of the high-curvature sheet skin (see figure 9).
The invention has the beneficial effects that:
① According to the invention, the sliding blocks and the movable clamping upright posts are used for 360-degree rotation, the positions of the movable clamping upright posts are adjustable, the follow-up clamping of the large-curvature sheet skin is realized, the time for clamping the large-curvature sheet skin by an operator is shortened, and the production efficiency is improved.
② According to the invention, the sliding blocks and the movable clamping upright posts rotate for 360 degrees, the positions of the movable clamping upright posts are adjustable, flexible clamping of skins with various curvature sizes is realized, the application range of the charging basket is wide, and the specialization level of operators is effectively improved.
③ The invention is integrally made of stainless steel material, has low production cost and small deformation of the charging basket during self heat treatment, and reduces the repair frequency of the charging basket.
④ The invention can be combined or decomposed according to the conditions of producing parts, is suitable for small-batch and multi-frequency production modes of aviation parts, and has simple installation and operation.
⑤ According to the invention, the fixed upright posts and the movable clamping upright posts are fully utilized to realize the follow-up clamping of the high-curvature sheet skin, so that the heat treatment deformation of the high-curvature sheet skin is effectively reduced, the skin heat treatment trimming difficulty is reduced, the hidden quality hazards of skin surface scratch, curvature out-of-tolerance and the like caused by multiple trimming are reduced, and the product quality is effectively improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a charging basket.
Fig. 2 is a schematic structural view of a semicircular basket.
FIG. 3 is a schematic diagram of the hole sites of the upper and lower semicircular beams.
FIG. 4 is a schematic diagram of a semicircular beam hole site.
Fig. 5 is a schematic view of a slider structure.
FIG. 6 is a schematic diagram of a slider connected to a semicircular beam.
Fig. 7 is a schematic view of a movable clamping column structure.
Fig. 8 is a schematic diagram of the connection of the movable clamping upright and the slider.
Fig. 9 is a schematic view of a high curvature skin clamp.
FIG. 10 is a schematic diagram of a combination of baskets.
In the figure: 1, a semicircular basket; 2, a sliding block; 3, moving the clamping upright post.
Detailed Description
The invention is further illustrated below with reference to specific examples.
Examples
A combined flexible heat treatment charging basket with a large curvature sheet skin comprises a semicircular basket 1, sliding blocks 2 and movable clamping upright posts 3, as shown in figure 1.
The semicircular basket 1 is of a frame structure which is integrally formed by semi-cylindrical bodies and is made of stainless steel materials, the upper part and the lower part of the semicircular basket are semicircular cross beams, 3 fixed upright posts are arranged between the upper semicircular cross beams and the lower semicircular cross beams to support the semicircular basket, 3 stainless steel support beams are welded in the upper semicircular cross beams and the lower semicircular cross beams respectively, the 3 support beams are uniformly distributed along the circumference by taking the circle centers of the semicircular cross beams as starting points, and an included angle between each two adjacent support beams and each semicircular cross beam is 45 degrees, so that a nearly triangular structure is formed respectively, the stability of the integral structure of the basket and the small deformation of the basket bearing parts after heat treatment are ensured; the semicircular baskets 1 are respectively axially perforated at symmetrical positions of the upper semicircular beam and the lower semicircular beam, as shown in fig. 3, the holes are positioned at 1/7 and 4/7 of the chord height of the semicircular beam, and are bilaterally symmetrical, as shown in fig. 4, the two semicircular baskets 1 are connected with the upper semicircular beam and the lower semicircular beam respectively by using U-shaped connecting pieces, and are combined into a cylindrical charging basket for use, as shown in fig. 10.
The sliding block 2 is of a cuboid structure and is made of stainless steel materials, the sliding block is divided into an upper sliding block and a lower sliding block, the inner part of the sliding block 2 is divided into an upper layer and a lower layer, each layer is hollow, grooves are formed in the central line positions of the lower surfaces of the upper sliding block and the upper surface of the lower sliding block, a slideway is arranged, one end of the sliding block 2 is opened, the other end of the sliding block is closed, the side walls of the upper layer of the upper sliding block and the lower layer of the lower sliding block are uniformly perforated respectively, so that heat treatment deformation of the sliding block 2 structure is reduced, as shown in fig. 5, the upper sliding block is perforated in the central position of the upper layer, a plurality of upper sliding blocks are respectively arranged at the perforated positions of semicircular beams on the semicircular basket 1 through bolts, the lower sliding block is perforated in the central position of the lower layer, a plurality of lower sliding blocks are respectively arranged at the perforated positions of the semicircular beams on the semicircular basket 1 through bolts, meanwhile, the sliding block 2 can rotate around the bolts 360 degrees, and the upper sliding blocks and the lower sliding blocks are arranged on the symmetrical position holes, and the two open end faces face to the same side, as shown in fig. 6.
The movable clamping upright post 3 is made of stainless steel materials, two ends of the movable clamping upright post are respectively welded with a circular baffle, the diameter of the circular baffle is larger than the slide way size of the slide block 2 and smaller than the hollow width size of the slide block 2, the outer diameter of the movable clamping upright post 3 is smaller than the slide way size of the slide block 2, threads are arranged at two ends of the movable clamping upright post 3 and adjacent positions of the circular baffle, nuts are arranged on the movable clamping upright post 3, a plurality of clamping lugs are arranged in each direction, and an included angle of 90 degrees is formed between the adjacent lugs, as shown in fig. 7.
The movable clamping upright posts 3 are provided with a plurality of opening ends, each opening end of each opening end is provided with a group of upper sliding blocks and lower sliding blocks which are symmetrical, the sliding blocks 2 can move in the sliding way, meanwhile, the movable clamping upright posts 3 can rotate around the upright posts by 360 degrees due to the fact that the end heads of the movable clamping upright posts 3 are round baffle plates, and the positions of the movable clamping upright posts 3 are fixed by screwing nuts at the two ends of the movable clamping upright posts 3, as shown in fig. 8.
Taking a C919 aircraft vertical tail front edge wallboard as an example to describe the using method of the charging basket, the vertical tail front edge wallboard is a large-curvature thin plate skin, the size is 1900mm multiplied by 1480mm, the chord height is 240mm, and the upper end face, the lower end face and the two side end faces of the vertical tail front edge wallboard are provided with clamping lugs.
The lug at the chord high top point of the vertical front edge wallboard is connected to a fixed upright column positioned in the middle of the semicircular basket 1 by using aluminum wires, the upper sliding block 2 and the lower sliding block 2 are adjusted to a proper angle according to the curvature and the size of the vertical front edge wallboard, the moving range of the movable holding upright column 3 covers the upper surface and the side lug position of the vertical front edge wallboard, the sliding block 2 is locked on a semicircular cross beam, the movable holding upright column 3 is moved and rotated, the clamping lugs on the movable holding upright column 3 are close to or coincide with the upper surface and the side lug position of the vertical front edge wallboard, nuts at two ends of the movable holding upright column 3 are screwed to fix the positions of the movable holding upright column, the aluminum wires are connected with the lugs on the vertical front edge wallboard by moving the clamping lugs on the holding upright column 3, the flexible adjustment of the shape and the shape of the vertical front edge wallboard along with the appearance size of the vertical front edge wallboard is realized, and the shape following clamping of the vertical front edge wallboard is realized.
The examples described above represent only embodiments of the invention and are not to be understood as limiting the scope of the patent of the invention, it being pointed out that several variants and modifications may be made by those skilled in the art without departing from the concept of the invention, which fall within the scope of protection of the invention.
Claims (2)
1. The combined type flexible heat treatment charging basket with the large-curvature thin plate skin is characterized by comprising a semicircular basket (1), a sliding block (2) and a movable clamping upright post (3); wherein, the two semicircular baskets (1) are combined into a cylindrical charging basket for use by connecting an upper semicircular beam and a lower semicircular beam;
The semicircular basket (1) is of a frame structure which is integrally in a semi-cylindrical shape, the upper part and the lower part of the semicircular basket are semicircular cross beams, 3 fixed upright posts are arranged between the upper semicircular cross beams and the lower semicircular cross beams for supporting, 3 stainless steel support beams are respectively arranged in the upper semicircular cross beams and the lower semicircular cross beams, the 3 support beams are uniformly distributed along the circumference by taking the circle center of the semicircular cross beams as a starting point, so that the stability of the integral structure of the basket and the small self-deformation of the basket bearing parts after heat treatment are ensured; the semicircular basket (1) is respectively provided with holes along the axial direction at symmetrical positions of the upper semicircular beam and the lower semicircular beam;
The sliding block (2) is of a cuboid structure and is divided into an upper sliding block and a lower sliding block, the inner part of the sliding block (2) is divided into an upper layer and a lower layer, each layer is hollow, grooves are formed in the central line positions of the lower surfaces of the upper sliding block and the upper surface of the lower sliding block, a slideway is arranged, one end of the sliding block (2) is opened, the other end of the sliding block is closed, the side walls of the upper layer of the upper sliding block and the lower layer of the lower sliding block are respectively uniformly opened, so that the heat treatment deformation of the sliding block (2) structure is reduced, the upper sliding block is opened in the central position of the upper surface of the upper layer, a plurality of upper sliding blocks are respectively arranged at the opening positions of the upper semicircular beam of the semicircular basket (1), the lower sliding block is opened in the central position of the lower surface of the lower layer, a plurality of lower sliding blocks are respectively arranged at the opening positions of the lower semicircular beam of the semicircular basket (1) through bolts, meanwhile, the sliding block (2) can rotate around the bolts by 360 degrees, and the upper sliding blocks and the lower sliding blocks arranged on the symmetrical position holes of the upper semicircular beam and the lower sliding block are in a group, and the opening end faces of the same side.
Circular baffle plates are welded at two ends of the movable clamping upright post (3) respectively, the diameter of each circular baffle plate is larger than the slide way size of the sliding block (2) and smaller than the hollow width size of the sliding block (2), the outer diameter of the movable clamping upright post (3) is smaller than the slide way size of the sliding block (2), threads are arranged at two ends of the movable clamping upright post (3) and adjacent positions of the circular baffle plates, nuts are arranged at the positions of the two ends of the movable clamping upright post (3), a plurality of clamping lugs are arranged on the movable clamping upright post (3) along all directions, and an included angle of 90 degrees is formed between the adjacent clamping lugs;
the movable clamping upright posts (3) are provided with a plurality of movable clamping upright posts (3), each movable clamping upright post (3) can rotate 360 degrees around the own upright post by sliding into the sliding block (2) through the opening ends of a symmetrical group of upper sliding blocks and lower sliding blocks, and the positions of the movable clamping upright posts (3) are fixed by screwing nuts at the two ends of the movable clamping upright posts (3);
holes of holes formed in symmetrical positions of the upper semicircular cross beam and the lower semicircular cross beam of the semicircular basket (1) are formed in positions of 1/7 and 4/7 of the chord height of the semicircular cross beam, and are symmetrical left and right.
2. The high-curvature sheet skin combined type flexible heat treatment charging basket according to claim 1, wherein the semicircular basket (1), the sliding block (2) and the movable clamping upright post (3) are made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211431713.4A CN115747463B (en) | 2022-11-16 | 2022-11-16 | Large-curvature sheet skin combined type flexible heat treatment charging basket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211431713.4A CN115747463B (en) | 2022-11-16 | 2022-11-16 | Large-curvature sheet skin combined type flexible heat treatment charging basket |
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| CN115747463A CN115747463A (en) | 2023-03-07 |
| CN115747463B true CN115747463B (en) | 2024-06-18 |
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| CN1300346C (en) * | 2005-05-20 | 2007-02-14 | 天津市交通科学技术研究所 | Heat treatment antideforming method for metal parts and composite clamp |
| CN203728882U (en) * | 2013-12-13 | 2014-07-23 | 豫西工业集团有限公司 | Vacuum high-pressure air quenching thermal treatment clamp for sheet parts |
| KR101400671B1 (en) * | 2014-03-28 | 2014-05-30 | 주식회사 샘코 | A holding apparatus for heat treatmenting of parts |
| CN204039453U (en) * | 2014-08-19 | 2014-12-24 | 重庆诚缘机械有限公司 | A kind of web plate thermal treatment charging transfer carriage |
| CN110295333B (en) * | 2019-08-07 | 2021-04-09 | 沈阳飞机工业（集团）有限公司 | Fixing clamp for heat treatment of large skin |
| CN111940585B (en) * | 2020-07-15 | 2021-09-28 | 大连理工大学 | Performance regulation and control method for high-strength aluminum alloy thin shell ultralow-temperature forming process |
| CN113714735B (en) * | 2021-07-30 | 2023-04-28 | 江西昌河航空工业有限公司 | Auxiliary method suitable for controlling heat treatment deformation of large aluminum alloy plate |
| CN114354379B (en) * | 2022-01-06 | 2023-12-12 | 上海交通大学 | Testing device for high-temperature creep age forming of alloy sheet |
| CN217230865U (en) * | 2022-04-21 | 2022-08-19 | 中国商用飞机有限责任公司 | Skin part heat treatment tool |
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- 2022-11-16 CN CN202211431713.4A patent/CN115747463B/en active Active
Patent Citations (2)
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| CN106967871A (en) * | 2016-01-13 | 2017-07-21 | 哈尔滨飞机工业集团有限责任公司 | A kind of curved sheets quenching fixture |
| CN106881570A (en) * | 2017-03-17 | 2017-06-23 | 北京航星机器制造有限公司 | A kind of manufacture method of the circular arc with muscle covering |
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