CN103950209A - Molding device and molding method for U-shaped composite material stringer blank - Google Patents
Molding device and molding method for U-shaped composite material stringer blank Download PDFInfo
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- CN103950209A CN103950209A CN201410087734.8A CN201410087734A CN103950209A CN 103950209 A CN103950209 A CN 103950209A CN 201410087734 A CN201410087734 A CN 201410087734A CN 103950209 A CN103950209 A CN 103950209A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
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Abstract
The invention belongs to the composite material molding technology, and relates to improvement on a molding device and a molding method for a U-shaped composite material stringer blank. The molding device disclosed by the invention comprises a lower die and an upper die 9; and the lower die comprises a platform 1, a left side lower die 2, a right side lower die 3, a left pressurizing block 4, a right pressurizing block 5, a left cushion block 6, a right cushion block 7, a left bolt 10, a right bolt 11, a left baffle block 12, a right baffle block 13, a left positioning bolt 14 and a right positioning bolt 15. The molding steps are as follows: laying a prepreg flat blank 8; determining a spacing W1 between the left side lower die 2 and the right side lower die 3; assembling; and loading. The molding device and molding method improve the laying efficiency, and ensure the quality and accuracy of products.
Description
Technical field
The invention belongs to Composites Molding Techniques, relate to the improvement to the long purlin blank shaped device of composite U-shaped and forming method.
Background technology
The forming method of the long purlin of current most of U-shaped composite blank is to adopt manual method at mould last layer one deck laying.Concrete grammar is to be first ready to laying mould then the prepreg of individual layer is layered on mould.Need to be by the means of flatiron or other heating, layer and laminating is real when in laying, laying runs into turning, between laying, easily entrain into bubble.In addition, for each knuckle place, be all independent laying, the quality of laying cannot guarantee unanimously.So, for overcome between the fold that occurs in laying process or laying, do not paste and situation, need to expend a large amount of time, caused laying quality of low while of efficiency to be also not easy to guarantee.The shortcomings such as the mode of manual laying, for the shorter long purlin of size, has quality conformance poor, and laying institute elapsed time is long, longer for length, because laying angle etc. is difficult to control, and a large amount of human resources of needs, the mode of manual laying has been difficult to.This just need a kind of in quality conformance and efficiency and the aspect such as laying difficulty be all better than the forming mode of manual laying.
Summary of the invention
The object of the invention is: propose the long purlin blank shaped device of a kind of improved U-shaped composite and forming method, to improve laying efficiency, guarantee quality and the precision of product.
Technical scheme of the present invention is: the forming frock of the long purlin of a kind of U-shaped composite blank, the structure of the long purlin of the U-shaped composite blank 16 of institute's moulding is: its cross sectional shape is U-shaped, the long purlin of this U-shaped composite blank 16 is comprised of the identical riser 16b of the height of base plate 16a and both sides, thickness is δ, length is s, the width of base plate 16a is L, the width of riser 16b is H, the left surface distance of the right flank of left side vertical plate 16b and right side riser 16b is W1, the riser 16b of base plate 16a and both sides is rectangular, the transition arc radius of the medial surface junction of the medial surface of base plate 16a and riser 16b is r, the forming frock of the long purlin of this U-shaped composite blank is comprised of counterdie and patrix 9, counterdie is comprised of platform 1, left side counterdie 2, right side counterdie 3, left briquetting 4, right briquetting 5, left cushion block 6, right cushion block 7, left bolt 10, right bolt 11, left block 12, right block 13, left bolt 14 and right bolt 15, the cross section of left side counterdie 2 and right side counterdie 3 is measure-alike rectangle, and the left surface of the right flank of left side counterdie 2 and right side counterdie 3 is forming surface of riser 16b, the height of left side counterdie 2 and right side counterdie 3 is identical and be greater than the height of the long purlin of U-shaped composite blank 16, the width of left side counterdie 2 and right side counterdie 3 is identical and be greater than the width of the riser 16b of the long purlin of U-shaped composite blank 16, and the length of left side counterdie 2 and right side counterdie 3 is identical and be greater than the length of the long purlin of U-shaped composite blank 16, left block 12 is cuboids that length equals left side counterdie 2 length, and right block 13 is cuboids that length equals right side counterdie 3 length, has along length block screwed hole uniform, that connect left and right side on left block 12, right block 13, left block 12, right block 13 are fixed by screws on platform 1, and left bolt 14 and right bolt 15 are screwed in respectively in the block screwed hole of left block 12, right block 13, left bolt 14 withstands the left surface of left side counterdie 2, and right bolt 15 withstands the right flank of right side counterdie 3, and the distance between the right flank of left side counterdie 2 and the left surface of right side counterdie 3 is W2, W2==W1+2 δ, left cushion block 6 is rectangular slabs equal in length with left side counterdie 2, right cushion block 7 is the rectangular slabs equal in length with right side counterdie 3, the thickness of left cushion block 6 and right cushion block 7 is δ, and left cushion block 6 is positioned at the left end of left side counterdie 2 upper surfaces, and right cushion block 7 is positioned at the right-hand member of right side counterdie 3 upper surfaces, left briquetting 4 is rectangular slabs equal in length with left side counterdie 2, and left briquetting 4 is pressed on the upper surface of left cushion block 6 and prepreg plane blank 8, by left bolt 10, left briquetting 4 is compressed, right briquetting 5 is rectangular slabs equal in length with right side counterdie 3, and right briquetting 5 is pressed on the upper surface of right cushion block 7 and prepreg plane blank 8, by right bolt 11, right briquetting 5 is compressed, the length of patrix 9 equals the length of left side counterdie 2, the cross section of patrix 9 is rectangle, the lower surface of patrix 9 is the forming surface of base plate 16a upper surface, and the left surface of patrix 9 is the forming surface of left side vertical plate 16b right flank, and the right flank of patrix 9 is the forming surface of right side riser 16b left surface, arc radius between patrix 9 left surfaces and lower surface and between right flank and lower surface is r.
A forming method for the long purlin of U-shaped composite blank, is characterized in that: use forming frock as described above to carry out moulding, the step of moulding is:
1, laying prepreg plane blank 8: according to the long purlin of U-shaped composite blank 16, calculate the size of prepreg plane blank 8, computational methods are: the length a of prepreg plane blank 8 equals the length s of long purlin blank 16, the width b=L+2H+ π r of prepreg plane blank 8, then laying rectangle prepreg plane blank 8 in the plane;
2, determine the spacing W2:W2=W1+2 δ between left side counterdie 2 and right side counterdie 3;
3, assembling: platform 1 is fixed on lower table, left side counterdie 2, right side counterdie 3 are placed between left block 12, right block 13, rotate left bolt 14 and right bolt 15 on left block 12, right block 13, making the spacing between left side counterdie 2 and right side counterdie 3 is W2, and plane prepreg blank 8 is put on left side counterdie 2 and right side counterdie 3; Place left cushion block 6, right cushion block 7 in left side counterdie 2, right side counterdie 3 upper surface outsides; Left briquetting 4, right briquetting 5 are installed on plane prepreg blank 8 and left cushion block 6, right cushion block 7; Utilize left bolt 10, right bolt 11 that left briquetting 4, right briquetting 5 are fixed; Patrix 9 is arranged on the forcing press of upper table, and patrix 9 and counterdie are aligned;
4, load: the upper table of handling forcing press moves straight down, movement rate is 0.1mm/ second～0.5mm/ second, patrix 9 is progressed in the cavity between left side counterdie 2 and right side counterdie 3, until patrix 9 is complete and prepreg blank laminating, can make prepreg plane blank 8 be shaped to U-shaped blank 16.
Advantage of the present invention is: proposed the long purlin blank shaped device of a kind of improved U-shaped composite and forming method, improved laying efficiency, guaranteed quality and the precision of product.
Accompanying drawing explanation
Fig. 1 is the structural representation of the long purlin of U-shaped composite blank.
Fig. 2 is the structural representation of the long purlin of U-shaped composite blank forming frock, and the state in figure is the state before loading.
Fig. 3 is the schematic diagram of the forming process of the long purlin of U-shaped composite blank, and the state in figure is the state of loaded.
The specific embodiment
Below the present invention is described in further details.Referring to Fig. 1 to Fig. 3, the forming frock of the long purlin of a kind of U-shaped composite blank, the structure of the long purlin of the U-shaped composite blank 16 of institute's moulding is: its cross sectional shape is U-shaped, the long purlin of this U-shaped composite blank 16 is comprised of the identical riser 16b of the height of base plate 16a and both sides, thickness is δ, length is s, the width of base plate 16a is L, the width of riser 16b is H, the left surface distance of the right flank of left side vertical plate 16b and right side riser 16b is W1, the riser 16b of base plate 16a and both sides is rectangular, the transition arc radius of the medial surface junction of the medial surface of base plate 16a and riser 16b is r, the forming frock of the long purlin of this U-shaped composite blank is comprised of counterdie and patrix 9, counterdie is comprised of platform 1, left side counterdie 2, right side counterdie 3, left briquetting 4, right briquetting 5, left cushion block 6, right cushion block 7, left bolt 10, right bolt 11, left block 12, right block 13, left bolt 14 and right bolt 15, the cross section of left side counterdie 2 and right side counterdie 3 is measure-alike rectangle, and the left surface of the right flank of left side counterdie 2 and right side counterdie 3 is forming surface of riser 16b, the height of left side counterdie 2 and right side counterdie 3 is identical and be greater than the height of the long purlin of U-shaped composite blank 16, the width of left side counterdie 2 and right side counterdie 3 is identical and be greater than the width of the riser 16b of the long purlin of U-shaped composite blank 16, and the length of left side counterdie 2 and right side counterdie 3 is identical and be greater than the length of the long purlin of U-shaped composite blank 16, left block 12 is cuboids that length equals left side counterdie 2 length, and right block 13 is cuboids that length equals right side counterdie 3 length, has along length block screwed hole uniform, that connect left and right side on left block 12, right block 13, left block 12, right block 13 are fixed by screws on platform 1, and left bolt 14 and right bolt 15 are screwed in respectively in the block screwed hole of left block 12, right block 13, left bolt 14 withstands the left surface of left side counterdie 2, and right bolt 15 withstands the right flank of right side counterdie 3, and the distance between the right flank of left side counterdie 2 and the left surface of right side counterdie 3 is W2, W2==W1+2 δ, left cushion block 6 is rectangular slabs equal in length with left side counterdie 2, right cushion block 7 is the rectangular slabs equal in length with right side counterdie 3, the thickness of left cushion block 6 and right cushion block 7 is δ, and left cushion block 6 is positioned at the left end of left side counterdie 2 upper surfaces, and right cushion block 7 is positioned at the right-hand member of right side counterdie 3 upper surfaces, left briquetting 4 is rectangular slabs equal in length with left side counterdie 2, and left briquetting 4 is pressed on the upper surface of left cushion block 6 and prepreg plane blank 8, by left bolt 10, left briquetting 4 is compressed, right briquetting 5 is rectangular slabs equal in length with right side counterdie 3, and right briquetting 5 is pressed on the upper surface of right cushion block 7 and prepreg plane blank 8, by right bolt 11, right briquetting 5 is compressed, the length of patrix 9 equals the length of left side counterdie 2, the cross section of patrix 9 is rectangle, the lower surface of patrix 9 is the forming surface of base plate 16a upper surface, and the left surface of patrix 9 is the forming surface of left side vertical plate 16b right flank, and the right flank of patrix 9 is the forming surface of right side riser 16b left surface, arc radius between patrix 9 left surfaces and lower surface and between right flank and lower surface is r.
A forming method for the long purlin of U-shaped composite blank, is characterized in that: use forming frock as described above to carry out moulding, the step of moulding is:
1, laying prepreg plane blank 8: according to the long purlin of U-shaped composite blank 16, calculate the size of prepreg plane blank 8, computational methods are: the length a of prepreg plane blank 8 equals the length s of long purlin blank 16, the width b=L+2H+ π r of prepreg plane blank 8, then laying rectangle prepreg plane blank 8 in the plane;
2, determine the spacing W2:W2=W1+2 δ between left side counterdie 2 and right side counterdie 3;
3, assembling: platform 1 is fixed on lower table, left side counterdie 2, right side counterdie 3 are placed between left block 12, right block 13, rotate left bolt 14 and right bolt 15 on left block 12, right block 13, making the spacing between left side counterdie 2 and right side counterdie 3 is W2, and plane prepreg blank 8 is put on left side counterdie 2 and right side counterdie 3; Place left cushion block 6, right cushion block 7 in left side counterdie 2, right side counterdie 3 upper surface outsides; Left briquetting 4, right briquetting 5 are installed on plane prepreg blank 8 and left cushion block 6, right cushion block 7; Utilize left bolt 10, right bolt 11 that left briquetting 4, right briquetting 5 are fixed; Patrix 9 is arranged on the forcing press of upper table, and patrix 9 and counterdie are aligned;
4, load: the upper table of handling forcing press moves straight down, movement rate is 0.1mm/ second～0.5mm/ second, patrix 9 is progressed in the cavity between left side counterdie 2 and right side counterdie 3, until patrix 9 is complete and prepreg blank laminating, can make prepreg plane blank 8 be shaped to U-shaped blank 16.
Embodiment 1
The structure of the long purlin of the U-shaped composite blank 16 of the present embodiment institute moulding is: its cross sectional shape is U-shaped, the long purlin of this U-shaped composite blank is comprised of the identical riser of height of base plate and both sides, thickness is 4mm, length is 1000mm, the width of base plate is 50mm, and the width of riser is 50mm, and the left surface distance of the right flank of left side vertical plate and right side riser is 56mm, the riser of base plate and both sides is rectangular, and the transition arc radius of the medial surface junction of the medial surface of base plate and riser is 3mm; The forming frock of the long purlin of this U-shaped composite blank is comprised of counterdie and patrix 9; Counterdie is comprised of platform 1, left side counterdie 2, right side counterdie 3, left briquetting 4, right briquetting 5, left cushion block 6, right cushion block 7, left bolt 10, right bolt 11, left block 12, right block 13, left bolt 14 and right bolt 15; The cross section of left side counterdie 2 and right side counterdie 3 is measure-alike rectangle, and the left surface of the right flank of left side counterdie 2 and right side counterdie 3 is forming surface of riser 16b; The height of left side counterdie 2 and right side counterdie 3 is identical and be greater than the height of the long purlin of U-shaped composite blank 16, the width of left side counterdie 2 and right side counterdie 3 is identical and be greater than the width of the riser 16b of the long purlin of U-shaped composite blank 16, and the length of left side counterdie 2 and right side counterdie 3 is identical and be greater than the length of the long purlin of U-shaped composite blank 16; Left block 12 is cuboids that length equals left side counterdie 2 length, and right block 13 is cuboids that length equals right side counterdie 3 length, has along length block screwed hole uniform, that connect left and right side on left block 12, right block 13; Left block 12, right block 13 are fixed by screws on platform 1, and left bolt 14 and right bolt 15 are screwed in respectively in the block screwed hole of left block 12, right block 13; Left bolt 14 withstands the left surface of left side counterdie 2, and right bolt 15 withstands the right flank of right side counterdie 3, and the distance between the right flank of left side counterdie 2 and the left surface of right side counterdie 3 is 64mm; Left cushion block 6 is rectangular slabs equal in length with left side counterdie 2, right cushion block 7 is the rectangular slabs equal in length with right side counterdie 3, the thickness of left cushion block 6 and right cushion block 7 is 4mm, and left cushion block 6 is positioned at the left end of left side counterdie 2 upper surfaces, and right cushion block 7 is positioned at the right-hand member of right side counterdie 3 upper surfaces; Left briquetting 4 is rectangular slabs equal in length with left side counterdie 2, and left briquetting 4 is pressed on the upper surface of left cushion block 6 and prepreg plane blank 8, by left bolt 10, left briquetting 4 is compressed; Right briquetting 5 is rectangular slabs equal in length with right side counterdie 3, and right briquetting 5 is pressed on the upper surface of right cushion block 7 and prepreg plane blank 8, by right bolt 11, right briquetting 5 is compressed; The length of patrix 9 equals the length of left side counterdie 2, the cross section of patrix 9 is rectangle, the lower surface of patrix 9 is the forming surface of base plate 16a upper surface, and the left surface of patrix 9 is the forming surface of left side vertical plate 16b right flank, and the right flank of patrix 9 is the forming surface of right side riser 16b left surface; Arc radius between patrix 9 left surfaces and lower surface and between right flank and lower surface is 3mm.
A forming method for the long purlin of U-shaped composite blank, is characterized in that: use forming frock as described above to carry out moulding, the step of moulding is:
1, laying prepreg plane blank 8: according to the long purlin of U-shaped composite blank 16, calculate the size of prepreg plane blank 8, computational methods are: the length of prepreg plane blank 8 is 1000mm, the width b=159.42mm of prepreg plane blank 8, then laying rectangle prepreg plane blank 8 in the plane;
2, determine the spacing W2:W2=64mm between left side counterdie 2 and right side counterdie 3;
3, assembling: platform 1 is fixed on lower table, left side counterdie 2, right side counterdie 3 are placed between left block 12, right block 13, rotate left bolt 14 and right bolt 15 on left block 12, right block 13, making the spacing between left side counterdie 2 and right side counterdie 3 is W1, and plane prepreg blank 8 is put on left side counterdie 2 and right side counterdie 3; Place left cushion block 6, right cushion block 7 in left side counterdie 2, right side counterdie 3 upper surface outsides; Left briquetting 4, right briquetting 5 are installed on plane prepreg blank 8 and left cushion block 6, right cushion block 7; Utilize left bolt 10, right bolt 11 that left briquetting 4, right briquetting 5 are fixed; Patrix 9 is arranged on the forcing press of upper table, and patrix 9 and counterdie are aligned;
4, load: the upper table of handling forcing press moves straight down, movement rate is 0.1mm/ second, patrix 9 is progressed in the cavity between left side counterdie 2 and right side counterdie 3, until patrix 9 is complete and prepreg blank laminating, can make prepreg plane blank 8 be shaped to U-shaped blank 16.
Embodiment 2
The structure of the long purlin of the U-shaped composite blank 16 of the present embodiment institute moulding is: its cross sectional shape is U-shaped, the long purlin of this U-shaped composite blank is comprised of the identical riser of height of base plate and both sides, thickness is 3mm, length is 2000mm, the width of base plate is 55mm, and the width of riser is 55mm, and the left surface distance of the right flank of left side vertical plate and right side riser is 63mm, the riser of base plate and both sides is rectangular, and the transition arc radius of the medial surface junction of the medial surface of base plate and riser is 4mm; The forming frock of the long purlin of this U-shaped composite blank is comprised of counterdie and patrix 9; Counterdie is comprised of platform 1, left side counterdie 2, right side counterdie 3, left briquetting 4, right briquetting 5, left cushion block 6, right cushion block 7, left bolt 10, right bolt 11, left block 12, right block 13, left bolt 14 and right bolt 15; The cross section of left side counterdie 2 and right side counterdie 3 is measure-alike rectangle, and the left surface of the right flank of left side counterdie 2 and right side counterdie 3 is forming surface of riser 16b; The height of left side counterdie 2 and right side counterdie 3 is identical and be greater than the height of the long purlin of U-shaped composite blank 16, the width of left side counterdie 2 and right side counterdie 3 is identical and be greater than the width of the riser 16b of the long purlin of U-shaped composite blank 16, and the length of left side counterdie 2 and right side counterdie 3 is identical and be greater than the length of the long purlin of U-shaped composite blank 16; Left block 12 is cuboids that length equals left side counterdie 2 length, and right block 13 is cuboids that length equals right side counterdie 3 length, has along length block screwed hole uniform, that connect left and right side on left block 12, right block 13; Left block 12, right block 13 are fixed by screws on platform 1, and left bolt 14 and right bolt 15 are screwed in respectively in the block screwed hole of left block 12, right block 13; Left bolt 14 withstands the left surface of left side counterdie 2, and right bolt 15 withstands the right flank of right side counterdie 3, and the distance between the right flank of left side counterdie 2 and the left surface of right side counterdie 3 is 69mm; Left cushion block 6 is rectangular slabs equal in length with left side counterdie 2, right cushion block 7 is the rectangular slabs equal in length with right side counterdie 3, the thickness of left cushion block 6 and right cushion block 7 is 3mm, and left cushion block 6 is positioned at the left end of left side counterdie 2 upper surfaces, and right cushion block 7 is positioned at the right-hand member of right side counterdie 3 upper surfaces; Left briquetting 4 is rectangular slabs equal in length with left side counterdie 2, and left briquetting 4 is pressed on the upper surface of left cushion block 6 and prepreg plane blank 8, by left bolt 10, left briquetting 4 is compressed; Right briquetting 5 is rectangular slabs equal in length with right side counterdie 3, and right briquetting 5 is pressed on the upper surface of right cushion block 7 and prepreg plane blank 8, by right bolt 11, right briquetting 5 is compressed; The length of patrix 9 equals the length of left side counterdie 2, the cross section of patrix 9 is rectangle, the lower surface of patrix 9 is the forming surface of base plate 16a upper surface, and the left surface of patrix 9 is the forming surface of left side vertical plate 16b right flank, and the right flank of patrix 9 is the forming surface of right side riser 16b left surface; Arc radius between patrix 9 left surfaces and lower surface and between right flank and lower surface is 4mm.
A forming method for the long purlin of U-shaped composite blank, is characterized in that: use forming frock as described above to carry out moulding, the step of moulding is:
1, laying prepreg plane blank 8: according to the long purlin of U-shaped composite blank 16, calculate the size of prepreg plane blank 8, computational methods are: the length of prepreg plane blank 8 is 2000mm, the width b=177.56mm of prepreg plane blank 8, then laying rectangle prepreg plane blank 8 in the plane;
2, determine the spacing W2:W2=69mm between left side counterdie 2 and right side counterdie 3;
3, assembling: platform 1 is fixed on lower table, left side counterdie 2, right side counterdie 3 are placed between left block 12, right block 13, rotate left bolt 14 and right bolt 15 on left block 12, right block 13, making the spacing between left side counterdie 2 and right side counterdie 3 is 69mm, and plane prepreg blank 8 is put on left side counterdie 2 and right side counterdie 3; Place left cushion block 6, right cushion block 7 in left side counterdie 2, right side counterdie 3 upper surface outsides; Left briquetting 4, right briquetting 5 are installed on plane prepreg blank 8 and left cushion block 6, right cushion block 7; Utilize left bolt 10, right bolt 11 that left briquetting 4, right briquetting 5 are fixed; Patrix 9 is arranged on the forcing press of upper table, and patrix 9 and counterdie are aligned;
4, load: the upper table of handling forcing press moves straight down, movement rate is 0.2mm/ second, patrix 9 is progressed in the cavity between left side counterdie 2 and right side counterdie 3, until patrix 9 is complete and prepreg blank laminating, can make prepreg plane blank 8 be shaped to U-shaped blank 16.
Embodiment 3
The structure of the long purlin of the U-shaped composite blank 16 of the present embodiment institute moulding is: its cross sectional shape is U-shaped, the long purlin of this U-shaped composite blank is comprised of the identical riser of height of base plate and both sides, thickness is 5mm, length is 3000mm, the width of base plate is 60mm, and the width of riser is 60mm, and the left surface distance of the right flank of left side vertical plate and right side riser is 70mm, the riser of base plate and both sides is rectangular, and the transition arc radius of the medial surface junction of the medial surface of base plate and riser is 5mm; The forming frock of the long purlin of this U-shaped composite blank is comprised of counterdie and patrix 9; Counterdie is comprised of platform 1, left side counterdie 2, right side counterdie 3, left briquetting 4, right briquetting 5, left cushion block 6, right cushion block 7, left bolt 10, right bolt 11, left block 12, right block 13, left bolt 14 and right bolt 15; The cross section of left side counterdie 2 and right side counterdie 3 is measure-alike rectangle, and the left surface of the right flank of left side counterdie 2 and right side counterdie 3 is forming surface of riser 16b; The height of left side counterdie 2 and right side counterdie 3 is identical and be greater than the height of the long purlin of U-shaped composite blank 16, the width of left side counterdie 2 and right side counterdie 3 is identical and be greater than the width of the riser 16b of the long purlin of U-shaped composite blank 16, and the length of left side counterdie 2 and right side counterdie 3 is identical and be greater than the length of the long purlin of U-shaped composite blank 16; Left block 12 is cuboids that length equals left side counterdie 2 length, and right block 13 is cuboids that length equals right side counterdie 3 length, has along length block screwed hole uniform, that connect left and right side on left block 12, right block 13; Left block 12, right block 13 are fixed by screws on platform 1, and left bolt 14 and right bolt 15 are screwed in respectively in the block screwed hole of left block 12, right block 13; Left bolt 14 withstands the left surface of left side counterdie 2, and right bolt 15 withstands the right flank of right side counterdie 3, and the distance between the right flank of left side counterdie 2 and the left surface of right side counterdie 3 is 80mm; Left cushion block 6 is rectangular slabs equal in length with left side counterdie 2, right cushion block 7 is the rectangular slabs equal in length with right side counterdie 3, the thickness of left cushion block 6 and right cushion block 7 is 5mm, and left cushion block 6 is positioned at the left end of left side counterdie 2 upper surfaces, and right cushion block 7 is positioned at the right-hand member of right side counterdie 3 upper surfaces; Left briquetting 4 is rectangular slabs equal in length with left side counterdie 2, and left briquetting 4 is pressed on the upper surface of left cushion block 6 and prepreg plane blank 8, by left bolt 10, left briquetting 4 is compressed; Right briquetting 5 is rectangular slabs equal in length with right side counterdie 3, and right briquetting 5 is pressed on the upper surface of right cushion block 7 and prepreg plane blank 8, by right bolt 11, right briquetting 5 is compressed; The length of patrix 9 equals the length of left side counterdie 2, the cross section of patrix 9 is rectangle, the lower surface of patrix 9 is the forming surface of base plate 16a upper surface, and the left surface of patrix 9 is the forming surface of left side vertical plate 16b right flank, and the right flank of patrix 9 is the forming surface of right side riser 16b left surface; Arc radius between patrix 9 left surfaces and lower surface and between right flank and lower surface is 5mm.
A forming method for the long purlin of U-shaped composite blank, is characterized in that: use forming frock as described above to carry out moulding, the step of moulding is:
1, laying prepreg plane blank 8: according to the long purlin of U-shaped composite blank 16, calculate the size of prepreg plane blank 8, computational methods are: the length of prepreg plane blank 8 is 3000mm, the width b=195.7mm of prepreg plane blank 8, then laying rectangle prepreg plane blank 8 in the plane;
2, determine the spacing W2:W2=80mm between left side counterdie 2 and right side counterdie 3;
3, assembling: platform 1 is fixed on lower table, left side counterdie 2, right side counterdie 3 are placed between left block 12, right block 13, rotate left bolt 14 and right bolt 15 on left block 12, right block 13, making the spacing between left side counterdie 2 and right side counterdie 3 is 80mm, and plane prepreg blank 8 is put on left side counterdie 2 and right side counterdie 3; Place left cushion block 6, right cushion block 7 in left side counterdie 2, right side counterdie 3 upper surface outsides; Left briquetting 4, right briquetting 5 are installed on plane prepreg blank 8 and left cushion block 6, right cushion block 7; Utilize left bolt 10, right bolt 11 that left briquetting 4, right briquetting 5 are fixed; Patrix 9 is arranged on the forcing press of upper table, and patrix 9 and counterdie are aligned;
4, load: the upper table of handling forcing press moves straight down, movement rate is 0.3mm/ second, patrix 9 is progressed in the cavity between left side counterdie 2 and right side counterdie 3, until patrix 9 is complete and prepreg blank laminating, can make prepreg plane blank 8 be shaped to U-shaped blank 16.
Claims (2)
1. the forming frock of the long purlin of U-shaped composite blank, the structure of the long purlin blank of U-shaped composite [16] of institute's moulding is: its cross sectional shape is U-shaped, the long purlin blank of this U-shaped composite [16] is comprised of the identical riser [16b] of the height of base plate [16a] and both sides, thickness is δ, length is s, the width of base plate [16a] is L, the width of riser [16b] is H, the left surface distance of the right flank of left side vertical plate [16b] and right side riser [16b] is W1, base plate [16a] is rectangular with the riser [16b] of both sides, the transition arc radius of the medial surface junction of the medial surface of base plate [16a] and riser [16b] is r, the forming frock of the long purlin of this U-shaped composite blank is comprised of counterdie and patrix [9], counterdie is comprised of platform [1], left side counterdie [2], right side counterdie [3], left briquetting [4], right briquetting [5], left cushion block [6], right cushion block [7], left bolt [10], right bolt [11], left block [12], right block [13], left bolt [14] and right bolt [15], the cross section of left side counterdie [2] and right side counterdie [3] is measure-alike rectangle, and the left surface of the right flank of left side counterdie [2] and right side counterdie [3] is the forming surface of riser [16b], the height of left side counterdie [2] and right side counterdie [3] is identical and be greater than the height that U-shaped composite is grown purlin blank [16], the width of left side counterdie [2] and right side counterdie [3] is identical and be greater than the width of the riser [16b] of the long purlin blank of U-shaped composite [16], and the length of left side counterdie [2] and right side counterdie [3] is identical and be greater than the length that U-shaped composite is grown purlin blank [16], left block [12] is the cuboid that length equals left side counterdie [2] length, and right block [13] is the cuboid that length equals right side counterdie [3] length, has along length block screwed hole uniform, that connect left and right side on left block [12], right block [13], it is upper that left block [12], right block [13] are fixed by screws in platform [1], and left bolt [14] and right bolt [15] are screwed in respectively in the block screwed hole of left block [12], right block [13], left bolt [14] withstands the left surface of left side counterdie [2], and right bolt [15] withstands the right flank of right side counterdie [3], and the distance between the right flank of left side counterdie [2] and the left surface of right side counterdie [3] is W2, W2==W1+2 δ, left cushion block [6] is the rectangular slab equal in length with left side counterdie [2], right cushion block [7] is the rectangular slab equal in length with right side counterdie [3], the thickness of left cushion block [6] and right cushion block [7] is δ, left cushion block [6] is positioned at the left end of left side counterdie [2] upper surface, and right cushion block [7] is positioned at the right-hand member of right side counterdie [3] upper surface, left briquetting [4] is the rectangular slab equal in length with left side counterdie [2], and left briquetting [4] is pressed on the upper surface of left cushion block [6] and prepreg plane blank [8], by left bolt [10], left briquetting [4] is compressed, right briquetting [5] is the rectangular slab equal in length with right side counterdie [3], and right briquetting [5] is pressed on the upper surface of right cushion block [7] and prepreg plane blank [8], by right bolt [11], right briquetting [5] is compressed, the length of patrix [9] equals the length of left side counterdie [2], the cross section of patrix [9] is rectangle, the lower surface of patrix [9] is the forming surface of base plate [16a] upper surface, the left surface of patrix [9] is the forming surface of left side vertical plate [16b] right flank, and the right flank of patrix [9] is the forming surface of right side riser [16b] left surface, arc radius between patrix [9] left surface and lower surface and between right flank and lower surface is r.
2. U-shaped composite is grown a forming method for purlin blank, it is characterized in that: use forming frock as claimed in claim 1 to carry out moulding, the step of moulding is:
2.1, laying prepreg plane blank [8]: according to the long purlin blank [16] of U-shaped composite, calculate the size of prepreg plane blank [8], computational methods are: the length a of prepreg plane blank [8] equals the length s of long purlin blank [16], the width b=L+2H+ π r of prepreg plane blank [8], then laying rectangle prepreg plane blank [8] in the plane;
2.2, determine the spacing W2:W2=W1+2 δ between left side counterdie [2] and right side counterdie [3];
2.3, assembling: platform [1] is fixed on lower table, left side counterdie [2], right side counterdie [3] are placed between left block [12], right block [13], rotate left bolt [14] and right bolt [15] on left block [12], right block [13], making the spacing between left side counterdie [2] and right side counterdie [3] is W2, and plane prepreg blank [8] is put on left side counterdie [2] and right side counterdie [3]; Place left cushion block [6], right cushion block [7] in left side counterdie [2], right side counterdie [3] upper surface outside; Left briquetting [4], right briquetting [5] are installed on plane prepreg blank [8] and left cushion block [6], right cushion block [7]; Utilize left bolt [10], right bolt [11] that left briquetting [4], right briquetting [5] are fixed; Patrix [9] is arranged on the forcing press of upper table, and patrix [9] and counterdie are aligned;
2.4, load: the upper table of handling forcing press moves straight down, movement rate is 0.1mm/ second～0.5mm/ second, patrix [9] is progressed in the cavity between left side counterdie [2] and right side counterdie [3], until patrix [9] is complete and prepreg blank laminating, can make prepreg plane blank [8] be shaped to U-shaped blank [16].
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729830A (en) * | 2016-04-06 | 2016-07-06 | 中航复合材料有限责任公司 | Mandrel-free autoclave integral molding method for U-shaped unit stiffened wallboards |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0375280A1 (en) * | 1988-12-22 | 1990-06-27 | Westland Helicopters Limited | Method for forming components from fibre-reinforced thermoplastic materials |
| US5096525A (en) * | 1989-09-12 | 1992-03-17 | The Boeing Company | Apparatus and method for forming and bonding a thermoplastic part from thermoplastic blanks |
| EP1543942A1 (en) * | 2003-12-16 | 2005-06-22 | Airbus France | Method for hot stamping complex sheet elements from composite material and apparatus for such a method |
| US20100024964A1 (en) * | 2006-12-14 | 2010-02-04 | Ingram Jr William H | Method for minimizing fiber distortion during fabrication of one-piece composite barrel section |
| CN102173060A (en) * | 2011-02-24 | 2011-09-07 | 江苏大学 | Device and method for manufacturing carbon fiber reinforced composite construction member |
-
2014
- 2014-03-11 CN CN201410087734.8A patent/CN103950209A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0375280A1 (en) * | 1988-12-22 | 1990-06-27 | Westland Helicopters Limited | Method for forming components from fibre-reinforced thermoplastic materials |
| US5096525A (en) * | 1989-09-12 | 1992-03-17 | The Boeing Company | Apparatus and method for forming and bonding a thermoplastic part from thermoplastic blanks |
| EP1543942A1 (en) * | 2003-12-16 | 2005-06-22 | Airbus France | Method for hot stamping complex sheet elements from composite material and apparatus for such a method |
| US20100024964A1 (en) * | 2006-12-14 | 2010-02-04 | Ingram Jr William H | Method for minimizing fiber distortion during fabrication of one-piece composite barrel section |
| CN102173060A (en) * | 2011-02-24 | 2011-09-07 | 江苏大学 | Device and method for manufacturing carbon fiber reinforced composite construction member |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729830A (en) * | 2016-04-06 | 2016-07-06 | 中航复合材料有限责任公司 | Mandrel-free autoclave integral molding method for U-shaped unit stiffened wallboards |
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Application publication date: 20140730 |