CN102285032B - Reinforcing rib positioning mechanism for large-size composite material wallboard molding mold - Google Patents

Reinforcing rib positioning mechanism for large-size composite material wallboard molding mold Download PDF

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Publication number
CN102285032B
CN102285032B CN 201110232430 CN201110232430A CN102285032B CN 102285032 B CN102285032 B CN 102285032B CN 201110232430 CN201110232430 CN 201110232430 CN 201110232430 A CN201110232430 A CN 201110232430A CN 102285032 B CN102285032 B CN 102285032B
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China
Prior art keywords
reinforcement
shaping mould
mould
locating piece
shaping
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CN 201110232430
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Chinese (zh)
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CN102285032A (en
Inventor
陈永清
杨博
王菲
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中国航空工业集团公司北京航空制造工程研究所
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Priority to CN 201110232430 priority Critical patent/CN102285032B/en
Publication of CN102285032A publication Critical patent/CN102285032A/en
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Abstract

The invention belongs to a technology for molding composite materials and relates to an improvement on a composite material wallboard molding mold. The molding mold comprises a skin molding mold [1], and a left molding mold [2] and a right molding mold [3] of a reinforcing rib, and is characterized in that: at least three reinforcing rib positioning tools are fixedly arranged outside a profile part of the skin molding mold [1]; the reinforcing rib positioning tools are distributed along a length direction of the reinforcing rib [7]; and each reinforcing rib positioning tool consists of an arched beam [4], a reinforcing rib positioning block [5], a connecting base [6] and a positioning plate [9]. The reinforcing rib of the large-size composite material wallboard molding mold can be accurately positioned, and positional accuracy of the reinforcing rib molding mold is ensured.

Description

The reinforcement detent mechanism of large-sized composite material wallboard forming mould

Technical field

The invention belongs to the composite material forming technology, relate to the improvement to the composite walls board forming die.

Background technology

Composite is with its specific strength, specific stiffness height, antifatigue, and designability is good and be easy to series of advantages such as monolithic molding, is widely used at aerospace field, and the height of its consumption becomes the important indicator of weighing the aircraft advance.The reinforcement wallboard is one of the most frequently used structure of composite, is extensive use of in large-sized airfoil structure and airframe structure, and the cross section of reinforcement comprises I-shaped and inverted T-shaped etc.Composite expands to stressed and larger-size main force support structure (as empennage, wing and fuselage etc.) in the application of aviation field from stressed and the less inferior load-carrying construction (as the rudder face structure) of size, and the manufacturing of composite reinforcement wallboard is had higher requirement.The assurance of reinforcement linearity and position degree is one of key manufacture in the large scale fibre reinforced composites wallboard forming process.Fig. 1 is a kind of composite wall panel structure schematic diagram that has the I shape reinforcement, and wherein 7 is composite I shape reinforcements, the 8th, and composite material skin.The assurance of the linearity of fibre reinforced composites reinforcement and position degree adopts the two ends locate mode to realize usually, as shown in Figure 2.1 is the covering forming mould among Fig. 2,11 and 12 is the locating pieces at the two ends of reinforcement, the draw-in groove of locating piece 11 and locating piece 12 is put at the two ends that will have the reinforcement shaping mould of reinforcement 7, realizes the location, two ends of reinforcement, and locating piece is vertical with the length direction of reinforcement 7.The two ends of locating piece are connected by the outside of pin with covering forming mould 1 profile.Its shortcoming is: the two ends locate mode of reinforcement is suitable for the less composite wallboard of reinforcement size.But along with the size of composite wallboard becomes big, it is big that the length of its reinforcement also becomes thereupon.When the size of reinforcement was big, the rigidity of reinforcement shaping mould was less, and the two ends locate mode that adopts can not guarantee the positional precision of reinforcement shaping mould usually, and the Forming Quality of composite product is poor.Reason is: the first, the two ends locate mode can only guarantee the position at reinforcement two ends, and the reinforcement mid portion can't be located, and the positional precision of reinforcement mid portion can't guarantee; The second, when curing molding, the locating piece at reinforcement two ends is encapsulated in the vacuum bag, forms easily and builds bridge, and influences the Forming Quality of composite product.

Summary of the invention

The objective of the invention is: propose a kind of reinforcement detent mechanism of large-sized composite material wallboard forming mould, to guarantee the positional precision of reinforcement shaping mould, improve the Forming Quality of composite product.

Technical scheme of the present invention is: the reinforcement detent mechanism of large-sized composite material wallboard forming mould, comprise left shaping mould 2 and the right shaping mould 3 of covering forming mould 1, reinforcement, and be covered with covering 8 in the profile of covering forming mould 1; Be placed with the reinforcement shaping mould that has reinforcement 7 that is parallel to each other at covering 8, the quantity of reinforcement shaping mould and position are determined by the drawing of composite wallboard; Each reinforcement shaping mould is made up of left shaping mould 2 and right shaping mould 3, the profile of left side shaping mould 2 lower surfaces is consistent with the upper surface of corresponding reinforcement 7 lower-left flanges, fit with the left surface of reinforcement web in the right surface of left side shaping mould 2, the left surface of left shaping mould 2 is the plane; The profile of right shaping mould 3 lower surfaces is consistent with the upper surface of corresponding reinforcement 7 bottom right flanges, and the right flank of the left surface of right shaping mould 3 and reinforcement web is fitted, and the right surface of right shaping mould 3 is the plane; It is characterized in that: in the external stability of covering forming mould 1 profile part and be at least 3 reinforcement positioning tools, the reinforcement positioning tool distributes along the length direction of reinforcement 7; Each reinforcement positioning tool is made up of arched girder 4, reinforcement locating piece 5, connection base 6 and location-plate 9;

(1) arched girder 4 is that the crossbeam 4a of rectangle forms with the column 4b that is connected with crossbeam 4a two ends by the cross section, fixing connection base 6 in the lower end of column 4b, the connection base 6 of arched girder 4 both sides by bolt be connected the both sides external that the base pin is separately fixed at covering forming mould 1 profile part, crossbeam 4a is vertical with the length direction of reinforcement 7, and the distance of the lower surface of crossbeam 4a and reinforcement shaping mould is not less than 10mm;

(2) reinforcement locating piece 5 is cuboids, reinforcement locating piece 5 of each reinforcement shaping mould configuration, the top of reinforcement locating piece 5 vertically is fixed on the side of crossbeam 4a by screw and locating piece pin, fit or the right surface of reinforcement locating piece 5 and the left surface applying of left shaping mould 2 in the right surface of the left surface of reinforcement locating piece 5 and right shaping mould 3, the quantity of the reinforcement locating piece 5 on each crossbeam 4a equates with the quantity of reinforcement shaping mould;

(3) location-plate 9 is rectangular slabs of being made by metallic plate or rubber slab, location-plate 9 is between adjacent two reinforcement shaping moulds, fit with the right surface of the right shaping mould 3 of adjacent two reinforcement shaping moulds, the left surface of left shaping mould 2 respectively in the left and right side of location-plate 9, location-plate 9 between adjacent two reinforcement shaping moulds be spaced apart 400mm~2000mm, the length of location-plate 9 is 40mm~400mm, and thickness is 2mm~10mm; The upper surface of the lower surface of location-plate 9 and corresponding covering or technology covering 8 is fitted.

Advantage of the present invention is: the reinforcement that can guarantee large-sized composite material wallboard forming mould is accurately located, and has guaranteed the positional precision of reinforcement shaping mould.Because when curing molding, the reinforcement detent mechanism is not encapsulated in the vacuum bag, has eliminated arch formation, has improved the Forming Quality of composite product.

Description of drawings

Fig. 1 is a kind of structural representation that has the large-sized composite material wallboard of I shape reinforcement.

Fig. 2 is the reinforcement location schematic diagram that is used for large-sized composite material wallboard shown in Figure 1 at present.

Fig. 3 is structural representation of the present invention.

Fig. 4 is shaft side figure of the present invention.

The specific embodiment

Below the present invention is described in further details.Referring to Fig. 3 and Fig. 4, the reinforcement detent mechanism of large-sized composite material wallboard forming mould comprises left shaping mould 2 and the right shaping mould 3 of covering forming mould 1, reinforcement, is covered with covering 8 in the profile of covering forming mould 1; Be placed with the reinforcement shaping mould that has reinforcement 7 that is parallel to each other at covering 8, the quantity of reinforcement shaping mould and position are determined by the drawing of composite wallboard; Each reinforcement shaping mould is made up of left shaping mould 2 and right shaping mould 3, the profile of left side shaping mould 2 lower surfaces is consistent with the upper surface of corresponding reinforcement 7 lower-left flanges, fit with the left surface of reinforcement web in the right surface of left side shaping mould 2, the left surface of left shaping mould 2 is the plane; The profile of right shaping mould 3 lower surfaces is consistent with the upper surface of corresponding reinforcement 7 bottom right flanges, and the right flank of the left surface of right shaping mould 3 and reinforcement web is fitted, and the right surface of right shaping mould 3 is the plane; It is characterized in that: in the external stability of covering forming mould 1 profile part and be at least 3 reinforcement positioning tools, the reinforcement positioning tool distributes along the length direction of reinforcement 7; Each reinforcement positioning tool is made up of arched girder 4, reinforcement locating piece 5, connection base 6 and location-plate 9;

(1) arched girder 4 is that the crossbeam 4a of rectangle forms with the column 4b that is connected with crossbeam 4a two ends by the cross section, fixing connection base 6 in the lower end of column 4b, the connection base 6 of arched girder 4 both sides by bolt be connected the both sides external that the base pin is separately fixed at covering forming mould 1 profile part, crossbeam 4a is vertical with the length direction of reinforcement 7, and the distance of the lower surface of crossbeam 4a and reinforcement shaping mould is not less than 10mm;

(2) reinforcement locating piece 5 is cuboids, reinforcement locating piece 5 of each reinforcement shaping mould configuration, the top of reinforcement locating piece 5 vertically is fixed on the side of crossbeam 4a by screw and locating piece pin, fit or the right surface of reinforcement locating piece 5 and the left surface applying of left shaping mould 2 in the right surface of the left surface of reinforcement locating piece 5 and right shaping mould 3, the quantity of the reinforcement locating piece 5 on each crossbeam 4a equates with the quantity of reinforcement shaping mould;

(3) location-plate 9 is rectangular slabs of being made by metallic plate or rubber slab, location-plate 9 is between adjacent two reinforcement shaping moulds, fit with the right surface of the right shaping mould 3 of adjacent two reinforcement shaping moulds, the left surface of left shaping mould 2 respectively in the left and right side of location-plate 9, location-plate 9 between adjacent two reinforcement shaping moulds be spaced apart 400mm~2000mm, the length of location-plate 9 is 40mm~400mm, and thickness is 2mm~10mm; The upper surface of the lower surface of location-plate 9 and corresponding covering or technology covering 8 is fitted.

Operation principle of the present invention is: by the length direction at the composite reinforcement a plurality of reinforcement positioning tools are set, have guaranteed linearity and the positional precision of reinforcement.When curing molding, the reinforcement positioning tool is not encapsulated in the vacuum bag, eliminates arch formation, is easy to guarantee the Forming Quality of composite product.

Embodiment 1

A certain composite reinforcement wallboard, totally 14 of I-shaped reinforcements, length 6000mm~7000mm, this wallboard adopts a co-curing moulding.

6 reinforcement positioning tools in external stability in covering forming mould 1 profile part, and 6 reinforcement positioning tools distribute along the length direction of reinforcement 7; Each reinforcement positioning tool is made up of arched girder 4, reinforcement locating piece 5, connection base 6 and location-plate 9;

(1) arched girder 4 is that the crossbeam 4a of rectangle forms with the column 4b that is connected with crossbeam 4a two ends by the cross section, fixing connection base 6 in the lower end of column 4b, the connection base 6 of arched girder 4 both sides by bolt be connected the both sides external that the base pin is separately fixed at covering forming mould 1 profile part, crossbeam 4a is vertical with the length direction of reinforcement 7, and the distance of the lower surface of crossbeam 4a and reinforcement shaping mould is 130mm;

(2) reinforcement locating piece 5 is cuboids, reinforcement locating piece 5 of each reinforcement shaping mould configuration, the top of reinforcement locating piece 5 vertically is fixed on the side of crossbeam 4a by screw and locating piece pin, fit in the right surface of the left surface of reinforcement locating piece 5 and right shaping mould 3, the quantity of the reinforcement locating piece 5 on each crossbeam 4a equates with the quantity of reinforcement shaping mould;

(3) location-plate 9 is rectangular slabs of being made by rubber slab, location-plate 9 is between adjacent two reinforcement shaping moulds, fit with the right surface of the right shaping mould 3 of adjacent two reinforcement shaping moulds, the left surface of left shaping mould 2 respectively in the left and right side of location-plate 9, location-plate 9 between adjacent two reinforcement shaping moulds be spaced apart 1000mm, the length of location-plate 9 is 200mm, and thickness is 4mm; The upper surface of the lower surface of location-plate 9 and corresponding covering or technology covering 8 is fitted.

Embodiment 2

A certain composite reinforcement wallboard, totally 6 of T shape reinforcements, length 4000mm~5000mm, this wallboard adopts a co-curing moulding.The solution of the present invention is:

4 reinforcement positioning tools in external stability in covering forming mould 1 profile part, and 4 reinforcement positioning tools distribute along the length direction of reinforcement 7; Each reinforcement positioning tool is made up of arched girder 4, reinforcement locating piece 5, connection base 6 and location-plate 9;

(1) arched girder 4 is that the crossbeam 4a of rectangle forms with the column 4b that is connected with crossbeam 4a two ends by the cross section, fixing connection base 6 in the lower end of column 4b, the connection base 6 of arched girder 4 both sides by bolt be connected the both sides external that the base pin is separately fixed at covering forming mould 1 profile part, crossbeam 4a is vertical with the length direction of reinforcement 7, and the distance of the lower surface of crossbeam 4a and reinforcement shaping mould is 100mm;

(2) reinforcement locating piece 5 is cuboids, reinforcement locating piece 5 of each reinforcement shaping mould configuration, the top of reinforcement locating piece 5 vertically is fixed on the side of crossbeam 4a by screw and locating piece pin, fit in the right surface of reinforcement locating piece 5 and the left surface of left shaping mould 2, the quantity of the reinforcement locating piece 5 on each crossbeam 4a equates with the quantity of reinforcement shaping mould;

(3) location-plate 9 is rectangular slabs of being made by rubber slab, location-plate 9 is between adjacent two reinforcement shaping moulds, fit with the right surface of the right shaping mould 3 of adjacent two reinforcement shaping moulds, the left surface of left shaping mould 2 respectively in the left and right side of location-plate 9, location-plate 9 between adjacent two reinforcement shaping moulds be spaced apart 800mm, the length of location-plate 9 is 150mm, and thickness is 3.5mm.

Claims (1)

1. the reinforcement detent mechanism of large-sized composite material wallboard forming mould comprises left shaping mould [2] and the right shaping mould [3] of covering forming mould [1], reinforcement, is covered with covering [8] in the profile of covering forming mould [1]; Be placed with the reinforcement shaping mould that has reinforcement [7] that is parallel to each other at covering [8], the quantity of reinforcement shaping mould and position are determined by the drawing of composite wallboard; Each reinforcement shaping mould is made up of left shaping mould [2] and right shaping mould [3], the profile of left side shaping mould [2] lower surface is consistent with the upper surface of corresponding reinforcement [7] lower-left flange, fit with the left surface of reinforcement web in the right surface of left side shaping mould [2], the left surface of left shaping mould [2] is the plane; The profile of right shaping mould [3] lower surface is consistent with the upper surface of corresponding reinforcement [7] bottom right flange, and the left surface of right shaping mould [3] and the right flank of reinforcement web are fitted, and the right surface of right shaping mould [3] is the plane; It is characterized in that: in the external stability of covering forming mould [1] profile part and be at least 3 reinforcement positioning tools, the reinforcement positioning tool distributes along the length direction of reinforcement [7]; Each reinforcement positioning tool is made up of arched girder [4], reinforcement locating piece [5], connection base [6] and location-plate [9];
(1) arched girder [4] is that the crossbeam [4a] of rectangle is formed with the column [4b] that is connected with crossbeam [4a] two ends by the cross section, fixing connection base [6] in the lower end of column [4b], the connection base [6] of arched girder [4] both sides by bolt be connected the both sides external that the base pin is separately fixed at covering forming mould [1] profile part, crossbeam [4a] is vertical with the length direction of reinforcement [7], and the lower surface of crossbeam [4a] and the distance of reinforcement shaping mould are not less than 10mm;
(2) reinforcement locating piece [5] is a cuboid, each reinforcement shaping mould configuration reinforcement locating piece [5], the top of reinforcement locating piece [5] vertically is fixed on the side of crossbeam [4a] by screw and locating piece pin, fit or the right surface of reinforcement locating piece [5] and the left surface applying of left shaping mould [2] in the right surface of the left surface of reinforcement locating piece [5] and right shaping mould [3], the quantity of the reinforcement locating piece [5] on each crossbeam [4a] equates with the quantity of reinforcement shaping mould;
(3) location-plate [9] is the rectangular slab of being made by metallic plate or rubber slab, location-plate [9] is between adjacent two reinforcement shaping moulds, fit with the right surface of the right shaping mould [3] of adjacent two reinforcement shaping moulds, the left surface of left shaping mould [2] respectively in the left and right side of location-plate [9], location-plate [9] between adjacent two reinforcement shaping moulds be spaced apart 400mm~2000mm, the length of location-plate [9] is 40mm~400mm, and thickness is 2mm~10mm; The upper surface of the lower surface of location-plate [9] and corresponding covering or technology covering [8] is fitted.
CN 201110232430 2011-08-15 2011-08-15 Reinforcing rib positioning mechanism for large-size composite material wallboard molding mold CN102285032B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110232430 CN102285032B (en) 2011-08-15 2011-08-15 Reinforcing rib positioning mechanism for large-size composite material wallboard molding mold

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Application Number Priority Date Filing Date Title
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CN102285032B true CN102285032B (en) 2013-09-11

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CN103302612B (en) * 2013-05-23 2016-03-30 亚洲新能源(中国)有限公司 The assembly tooling of fan shroud left and right door
CN104215445B (en) * 2014-08-26 2018-08-21 中国直升机设计研究所 A kind of Material Stiffened Panel compression test device
CN105437536B (en) * 2015-12-11 2017-12-12 昌河飞机工业(集团)有限责任公司 A kind of Composite Panels fixture for forming with reinforcement
CN105856592A (en) * 2016-04-28 2016-08-17 成都飞机工业(集团)有限责任公司 Formation method of multi-beam multi-rib composite wallboard
CN105904166B (en) * 2016-06-15 2018-01-23 沈阳飞机工业(集团)有限公司 The wallboard forming mould processing method of forming composite
CN106363934B (en) * 2016-10-11 2018-12-14 中航复合材料有限责任公司 A kind of pre-assembled method forming vertical wall composite material integral panel structure
CN107599254A (en) * 2017-08-23 2018-01-19 成都飞机工业(集团)有限责任公司 A kind of posting and more muscle covering co-curing moulds of more die combinations
CN108819287B (en) * 2018-04-25 2020-02-14 西安飞机工业(集团)有限责任公司 Forming device and forming method of reinforced wall plate assembly
CN108943776B (en) * 2018-06-27 2020-06-09 西安飞机工业(集团)有限责任公司 Detachable adjustable stringer clamping and positioning device and positioning method

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CN102019592B (en) * 2009-09-10 2012-07-04 中国航空工业集团公司北京航空制造工程研究所 Positioning apparatus for shaping large-size stiffened panel made of composite material
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