CN210553131U - Integral curing forming die for composite material longitudinal and transverse reinforced wall plate - Google Patents

Integral curing forming die for composite material longitudinal and transverse reinforced wall plate Download PDF

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CN210553131U
CN210553131U CN201921356839.3U CN201921356839U CN210553131U CN 210553131 U CN210553131 U CN 210553131U CN 201921356839 U CN201921356839 U CN 201921356839U CN 210553131 U CN210553131 U CN 210553131U
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die
cavity
wall plate
longitudinal
base
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李河清
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Northwestern Polytechnical University
Xian Aisheng Technology Group Co Ltd
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Northwestern Polytechnical University
Xian Aisheng Technology Group Co Ltd
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Abstract

The utility model discloses a combined material adds muscle wallboard whole curing forming die with great ease, by adding the muscle wallboard with great ease, a pedestal, go up the die cavity mould, first die cavity mould, second die cavity mould and middle die cavity mould are constituteed, the base is used for preforming with great ease to add the muscle wallboard appearance, it is used for preforming with great ease to add muscle wallboard inner form A district to go up the die cavity mould, it is first, second die cavity mould is used for preforming with great ease to add muscle wallboard inner form B district and D district respectively, middle die cavity mould is used for preforming with great ease to add muscle wallboard inner form C district with great ease, it is used for preforming to go up die cavity mould moulded die to go up the die cavity mould, middle die cavity mould moulded die is used for preforming middle. Dividing the longitudinal and transverse reinforced wall plate into a plurality of areas, respectively molding on different molds, and assembling to ensure that the longitudinal and transverse reinforced wall plate is subjected to one-time co-curing molding; can shorten product production cycle, but reduction in production cost again realizes that the metal material part on the unmanned aerial vehicle is replaced by the combined material part.

Description

Integral curing forming die for composite material longitudinal and transverse reinforced wall plate
Technical Field
The utility model relates to a frock is used in whole co-curing shaping, especially relates to a mould is used in whole co-curing shaping of unmanned aerial vehicle combined material moves about freely and quickly with muscle wallboard.
Background
The integral panel with the ribs integrates skin, skeleton elements and connecting members in the traditional airplane structure, so that the aims of reducing weight, reducing production cost and shortening assembly period and workload are fulfilled, the assembly quality of the appearance is improved, and the fatigue life is prolonged.
With the rapid development of the use and manufacture of unmanned aerial vehicles, how to realize the forming of the integral wall plate of the airplane and improve the forming efficiency and quality of parts becomes a research hotspot. The invention patent CN 105437536B discloses a composite material wallboard forming tool with reinforcing ribs, which comprises a lower die frame, a cover plate, a positioner, a core die, a rubber block, a pressure equalizing steel plate, a compression screw and a vacuum bag, and solves the problems of reinforcing rib positioning, forming pressurization and part upper surface forming quality and precision in the integral forming process of the composite material reinforcing rib wallboard. However, two sets of forming molds are needed during operation, the molding dies need to be put into a tank for curing twice, the curing cost is high, and the manufacturing cost of the molds is high. The patent CN 108943775A proposes a mould for integrally preparing I-shaped longitudinal and transverse reinforced composite material wall plates, which adopts a combined inner core mould, designs the part uncovered by an I-shaped flanging into a U-shaped core mould which can be freely separated, and then connects the C-shaped forming mould which is designed by blocks on the outer surface of the U-shaped core mould through bolts; when the longitudinal and transverse reinforced wallboard prepared by the core mold is demolded, the U-shaped core mold can be firstly demolded, and then the C-shaped forming molds are sequentially taken out along the direction vertical to the web plate of the I-shaped reinforcing rib according to the design sequence. The mould is based on the RTM forming process requirement, the standard deviation of the bearing capacity of RTM formed parts is 2 times of that of autoclave formed parts, the average maximum bearing capacity is 0.7 times of that of the autoclave formed parts, and the mould is not suitable for production of bearing parts.
SUMMERY OF THE UTILITY MODEL
In order to avoid the deficiency that prior art exists, the utility model provides a combined material adds muscle wallboard whole solidification forming die with great ease.
The utility model solves the technical problems by adopting the technical proposal that the longitudinal and transverse reinforced wallboard comprises a longitudinal and transverse reinforced wallboard, a base, an upper cavity die, a first cavity die, a middle cavity die, a second cavity die, an upper cavity die forming die and a middle cavity die forming die, wherein the longitudinal and transverse reinforced wallboard is divided into a plurality of areas which are respectively formed on different dies and then assembled to form the longitudinal and transverse reinforced wallboard in a co-curing way, and the longitudinal and transverse reinforced wallboard is characterized in that the base is in a trapezoidal structure, an axial groove is arranged in the middle of the upper part of the base and is used for matching with the outer surface of the longitudinal and transverse reinforced wallboard, the inner surface of the base groove is consistent with the outer surface of the longitudinal and transverse reinforced wallboard in size, and the height of; the upper surface of the base is provided with symmetrical pin holes and screw holes for positioning and fastening the first cavity die and the second cavity die, and two side surfaces of the base are provided with symmetrical screw holes for mounting a hanging ring;
the middle cavity die is positioned in the middle of the longitudinal and transverse reinforced wall plate, the first cavity die and the second cavity die are respectively positioned on two sides of the middle cavity die and are symmetrically installed, and the upper cavity die is positioned on the outer side of the longitudinal and transverse reinforced wall plate;
the first cavity die and the second cavity die are parts with the same structure, the first cavity die and the second cavity die respectively comprise fastening bolts, movable blocks, bolts, internal thread cylindrical pins, a cavity main body die and T-shaped parts, pin holes and screw holes are formed in the cavity main body die, grooves are formed in the lower portion of the cavity main body die, the movable blocks are located at the grooves of the cavity main body die, the movable blocks are located and fastened with the cavity main body die through the bolts, the cavity main body die is provided with the pin holes and the screw holes matched with the T-shaped parts, the screw holes in the two sides are used for installing a stripper during demolding, the T-shaped parts are provided with the pin holes and the screw holes used for connection and location, and the combined movable blocks and the cavity main body die are fixed on the base through the internal thread cylindrical pins and the fastening bolts.
The base is used for preforming with great ease and adds the muscle wallboard appearance, and profile size is unanimous with the profile size of adding muscle wallboard outward with great ease in the base, and the precision is 0 ~ 0.10mm, and roughness is 1.6, and its height ratio adds muscle wallboard height with great ease 10 ~ 15 mm.
The longitudinal and transverse reinforced wall plate is matched with the base, the length direction of the longitudinal and transverse reinforced wall plate exceeds the trimming line by 10-15 mm when the longitudinal and transverse reinforced wall plate is laid and pasted, and the flanging length of the height direction on the upper surface is 10-15 mm.
The upper cavity die is positioned on the outer side of the longitudinal and transverse reinforced wall plate, and the length of a flanging on the upper surface is 10-15 mm when the upper cavity die is paved.
Advantageous effects
The utility model provides a combined material adds muscle wallboard whole curing forming die with great ease, by adding the muscle wallboard with great ease, a pedestal, go up the die cavity mould, first die cavity mould, second die cavity mould and middle die cavity mould are constituteed, the base is used for preforming with great ease to add the muscle wallboard appearance, it is used for preforming with great ease to add muscle wallboard inner form A district to go up the die cavity mould, first die cavity mould is used for preforming with great ease to add muscle wallboard inner form B district, middle die cavity mould is used for preforming with great ease to add muscle wallboard inner form C district with great ease, second die cavity mould is used for preforming with great ease to add muscle wallboard inner form D district with great ease, it is used for preforming upper die cavity mould to go up the die cavity mould, middle die cavity mould is used for preforming. The longitudinal and transverse reinforced wall plate is divided into a plurality of areas, and the areas are respectively formed on different dies for assembly, so that the longitudinal and transverse reinforced wall plate is formed by one-time co-curing. Can guarantee to move about freely and quickly the integrality that adds the muscle wallboard and spread the layer, can guarantee again to move about freely and quickly the precision that adds the muscle wallboard, shortened product production cycle moreover, reduction in production cost makes about 37% of product weight reduction, realizes that the last metal material part of unmanned aerial vehicle is replaced by the combined material part.
Drawings
The following describes the overall curing and forming mold for a longitudinal and transverse reinforced wall plate made of composite material in further detail with reference to the accompanying drawings and embodiments.
Fig. 1 is an isometric view of a cross-ribbed panel structure.
Fig. 2 is the explosion diagram of the whole curing and forming die for the composite material longitudinal and transverse reinforced wall plate.
Fig. 3 is the utility model discloses combined material adds muscle wallboard whole solidification forming die top view with great ease.
Figure 4 is the utility model discloses a base preforming is with great ease adds muscle wallboard appearance axonometric drawing.
Fig. 5a is a schematic view of an upper cavity mold forming die of the present invention.
Fig. 5b is the schematic diagram of the inner mold of the upper cavity mold preforming longitudinal and transverse reinforced wall plate of the present invention.
Fig. 6a is a top view of the movable block of the present invention.
Fig. 6b is a cross-sectional view taken along line E-E of fig. 6 a.
Fig. 7a is a plan view of the first cavity mold preforming longitudinal and transverse reinforced wall plate inner mold of the present invention.
Fig. 7b is a sectional view taken along line G-G of fig. 7 a.
Fig. 8a is an axonometric view of the intermediate cavity mold forming die of the present invention.
Fig. 8b is the cross sectional view of the intermediate cavity mold used for preforming the longitudinal and transverse ribbed wallboard.
In the figure:
1. the longitudinal and transverse reinforced wall plate 2, the base 3, the upper cavity die 4, the first cavity die 5, the middle cavity die 6, the second cavity die 7, the fastening bolt 8, the movable block 9, the bolt 10, the cavity main die 11, the T-shaped part 12, the internal thread cylindrical pin 13, the upper cavity die forming die 14, the middle cavity die forming die
The area A is an upper cavity die used for preforming the inner section area of the longitudinal and transverse reinforced wallboard
The B area is a first cavity die used for preforming the inner area of the longitudinal and transverse reinforced wallboard
C area is intermediate cavity die for preforming inner area of longitudinal and transverse reinforced wallboard
D zone is a second cavity die used for preforming the inner zone of the longitudinal and transverse reinforced wall plate
Detailed Description
The embodiment is an integral curing and forming die for a composite material longitudinal and transverse reinforced wallboard.
Referring to fig. 1 to 8b, the integral curing and forming mold for the composite material longitudinal and transverse stiffened wall plate of the present embodiment is composed of a longitudinal and transverse stiffened wall plate 1, a base 2, an upper cavity mold 3, a first cavity mold 4, an intermediate cavity mold 5, a second cavity mold 6, an upper cavity mold forming mold 13 and an intermediate cavity mold forming mold 14; the base 2 is of a trapezoidal structure, an axial groove is formed in the middle of the upper portion of the base and used for being matched with the outer profile of the longitudinal and transverse stiffened wall plate 1, and the size of the inner profile of the groove of the base 2 is consistent with that of the outer profile of the longitudinal and transverse stiffened wall plate 1; the height of the groove of the base 2 is greater than that of the longitudinal and transverse reinforced wall plate 1; the upper surface of the base 2 is provided with a pin hole and screw holes for positioning and fastening the first cavity die 4 and the second cavity die 6, and the screw holes on two sides of the base 2 are used for installing a lifting ring.
The middle cavity die 5 is positioned in the middle of the longitudinal and transverse reinforced wall plate 1; the first cavity die 4 and the second cavity die 6 are respectively positioned on two sides of the middle cavity die 5 and are symmetrically installed, and the upper cavity die 3 is positioned on the outer side of the longitudinal and transverse reinforced wall plate 1.
The first cavity die 4 and the second cavity die 6 are two parts with the same structure, and the first cavity die 4 and the second cavity die 6 respectively comprise a fastening bolt 7, a movable block 8, a bolt 9, an internal thread cylindrical pin 12, a cavity main body die 10 and a T-shaped part 11; a cavity main body mould 10 is provided with a pin hole and a screw hole, and the lower part of the cavity main body mould 10 is provided with a groove; the movable block 8 is positioned at the groove of the cavity main body mould 10, and the movable block 8 and the cavity main body mould 10 are positioned and fastened through a bolt 9; the size of the outer profile of the combined longitudinal and transverse reinforced wall plate 1 is consistent with that of the inner profile of the longitudinal and transverse reinforced wall plate, and the height of the combined longitudinal and transverse reinforced wall plate is flush with the upper surface of the base 2; the cavity main body mould 10 is provided with a pin hole and a screw hole which are matched with the T-shaped part 11, the screw holes on two sides are used for installing a stripper during demoulding, the T-shaped part 11 is provided with a pin hole and a screw hole which are connected and positioned, and the combined movable block 8 and the cavity main body mould 10 are fixed on the base 2 through the internal thread cylindrical pin 12 and the fastening bolt 7.
The base 2 is used for preforming and moves about freely and quickly to add the appearance of muscle wallboard 1, and the interior profile size of base 2 is unanimous with the external profile size of muscle wallboard 1 that moves about freely and quickly, and the precision is 0 ~ 0.10mm, and roughness is 1.6, and its height ratio is with moving about freely and quickly to add the muscle wallboard height 10 ~ 15 mm.
In the embodiment, the longitudinal and transverse reinforced wall plate is divided into a plurality of areas, the areas are respectively molded on different molds, and then the areas are assembled, so that the longitudinal and transverse reinforced wall plate is molded by one-time co-curing; the upper cavity mold 3 is used for preforming an inner mold area A of the longitudinal and transverse reinforced wall plate 1, and the first cavity mold 4 is used for preforming an inner mold area B of the longitudinal and transverse reinforced wall plate 1; the middle cavity die 5 is used for preforming an inner C area of the longitudinal and transverse reinforced wallboard 1; the second cavity die 6 is used for preforming an inner-shaped D area of the longitudinal and transverse reinforced wall plate 1; the upper cavity die forming die 13 is used for pre-forming the upper cavity die 3; the medium-cavity mold forming die 14 is used to preform the medium-cavity mold 5.
The longitudinal and transverse reinforced wall plate 1 is positioned on the upper portion of the base 2, the length direction of the longitudinal and transverse reinforced wall plate exceeds the trimming line by 10-15 mm when the longitudinal and transverse reinforced wall plate is laid and pasted, and the flanging length of the height direction on the upper surface is 10-15 mm.
The upper cavity die 3 is positioned on the outer side of the longitudinal and transverse reinforced wall plate 1, and the length of a flanging on the upper surface is 10-15 mm when the upper cavity die is laid and attached.
Mold using method
a. Paving the shape of the longitudinal and transverse reinforced wall plate 1 on the base 2 according to the process requirement of the composite material, paying attention to the fact that the length direction exceeds the trimming line by 10-15 mm when paving, the flanging length on the upper surface is 10-15 mm in the height direction, the flanging is not needed at the installation positions of the first cavity die 4 and the second cavity die 6, and vacuumizing treatment is carried out according to the process requirement.
b. And paving an inner section A region of the longitudinal and transverse reinforced wall plate 1 on the upper cavity die 3 according to the process requirement of the composite material, paying attention to the flanging length of 10-15 mm on the upper surface during paving, and vacuumizing according to the process requirement.
c. Respectively removing the T-shaped parts 11 on the first cavity die 4 and the second cavity die 6, paving the inner B area and the D area of the longitudinal and transverse reinforced wall plate 1 on the first cavity die 4 and the second cavity die 6 according to the composite material process requirement, paying attention to the fact that the flanging length on the upper surface is 10-15 mm during paving, avoiding the flanging on the upper surface of the movable block 8, and reinstalling the T-shaped parts 11 after the vacuumizing process is completed according to the process requirement.
d. And paving an inner C area of the longitudinal and transverse reinforced wall plate 1 on the middle cavity die 5 according to the process requirement of the composite material, wherein the height is flush with the upper surface during paving, and vacuumizing according to the process requirement.
e. Assembling and processing the moulds paved with the composite material:
①, positioning and fastening a left cavity mold 4 and a right cavity mold 6 by using an internal thread cylindrical pin 12 and a fastening bolt 7;
installing a cavity die 3;
③ mounting the intermediate cavity mould 5;
paving and sticking an inner E area and an inner F area of the longitudinal and transverse reinforced wall plate 1 according to the requirements of the composite material process;
pulling out the bolts 9 on the first cavity die 4 and the second cavity die 6, so that the movable block 8 can slightly move towards the side wall in a single direction under the action of high pressure when the autoclave is cured, and can apply tank pressure to the side edge of the longitudinal and transverse reinforced wall plate 1;
⑥ detaching the fastening bolt 7 connecting the cavity main body mould 10 and the T-shaped part 11, and keeping the internal thread cylindrical pin 12, so that the movable block 8 and the cavity main body mould 10 can move slightly vertically under the action of high pressure when the autoclave is solidified, and can apply tank pressure to the bottom plate of the longitudinal and transverse reinforced wall plate 1;
each part of the longitudinal and transverse reinforced wall plate 1 is under the action of tank pressure or silicon rubber expansion pressure during high-temperature and high-pressure curing of the autoclave, so that the curing pressure can be ensured, and the bridging phenomenon is avoided;
cutting the composite material flanging on the upper surfaces of the upper cavity die 3, the first cavity die 4 and the second cavity die 6, and sealing and vacuumizing the upper surface of the whole tool according to the typical specification requirements of the composite material process.
f. And (3) curing: according to the requirements of autoclave forming process.
g. Demolding and trimming: after the curing is finished, the upper cavity die 3 and the middle cavity die 5 are taken out; the T-shaped part 11 is disassembled, the stripper is connected with the threaded hole on the cavity main body die 10, the lower movable block 8 and the cavity main body die 10 are pulled out, and the longitudinal and transverse reinforced wall plate 1 can be stripped from the base 2. And cutting edges according to the scribed lines of the die to obtain a primary co-cured product.

Claims (4)

1. A kind of composite material lengthways and horizontally adds the rib wallboard and solidifies the forming die integrally, including lengthways and horizontally adds the rib wallboard, base, upper cavity mould, first cavity mould, middle cavity mould, second cavity mould, upper cavity mould forming die and middle cavity mould forming die, lengthways and horizontally add the rib wallboard to divide into multiple areas, shape on different moulds separately, assemble, make the lengthways and horizontally add the rib wallboard and solidify and shape together once, wherein the said base is the ladder-shaped structure, there are axial grooves in the middle of the upper portion used for cooperating with external surface of the lengthways and horizontally add the rib wallboard, the internal profile of the base groove is identical with the external surface size of the lengthways and horizontally add the rib wallboard, the height of the base groove is greater than the height of the lengthways and horizontally; the upper surface of the base is provided with symmetrical pin holes and screw holes for positioning and fastening the first cavity die and the second cavity die, and two side surfaces of the base are provided with symmetrical screw holes for mounting a hanging ring;
the middle cavity die is positioned in the middle of the longitudinal and transverse reinforced wall plate, the first cavity die and the second cavity die are respectively positioned on two sides of the middle cavity die and are symmetrically installed, and the upper cavity die is positioned on the outer side of the longitudinal and transverse reinforced wall plate;
the first cavity die and the second cavity die are parts with the same structure, the first cavity die and the second cavity die respectively comprise fastening bolts, movable blocks, bolts, internal thread cylindrical pins, a cavity main body die and T-shaped parts, pin holes and screw holes are formed in the cavity main body die, grooves are formed in the lower portion of the cavity main body die, the movable blocks are located at the grooves of the cavity main body die, the movable blocks are located and fastened with the cavity main body die through the bolts, the cavity main body die is provided with the pin holes and the screw holes matched with the T-shaped parts, the screw holes in the two sides are used for installing a stripper during demolding, the T-shaped parts are provided with the pin holes and the screw holes used for connection and location, and the combined movable blocks and the cavity main body die are fixed on the base through the internal thread cylindrical pins and the fastening bolts.
2. The integral curing and forming die for the composite material longitudinal and transverse stiffened wall plate according to claim 1, wherein the base is used for preforming the external shape of the longitudinal and transverse stiffened wall plate, the size of the internal profile of the base is consistent with the size of the external profile of the longitudinal and transverse stiffened wall plate, the precision is 0-0.10 mm, the surface roughness is 1.6, and the height of the base is 10-15 mm higher than that of the longitudinal and transverse stiffened wall plate.
3. The integral curing and forming die for the composite material longitudinally and transversely reinforced wall plate according to claim 1, wherein the longitudinally and transversely reinforced wall plate is matched with the base, the length direction of the longitudinally and transversely reinforced wall plate exceeds the trimming line by 10-15 mm when the longitudinally and transversely reinforced wall plate is laid and pasted, and the flanging length of the height direction on the upper surface is 10-15 mm.
4. The integral curing and forming die for the composite material longitudinal and transverse reinforced wall plate according to claim 1 is characterized in that the upper cavity die is positioned on the outer side of the longitudinal and transverse reinforced wall plate, and the flanging length on the upper surface is 10-15 mm when the upper cavity die is laid and attached.
CN201921356839.3U 2019-08-21 2019-08-21 Integral curing forming die for composite material longitudinal and transverse reinforced wall plate Active CN210553131U (en)

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Application Number Priority Date Filing Date Title
CN201921356839.3U CN210553131U (en) 2019-08-21 2019-08-21 Integral curing forming die for composite material longitudinal and transverse reinforced wall plate

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Application Number Priority Date Filing Date Title
CN201921356839.3U CN210553131U (en) 2019-08-21 2019-08-21 Integral curing forming die for composite material longitudinal and transverse reinforced wall plate

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CN210553131U true CN210553131U (en) 2020-05-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110509569A (en) * 2019-08-21 2019-11-29 西安爱生技术集团公司 A kind of composite material orthogonal stiffeners siding integral solidifying tooling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110509569A (en) * 2019-08-21 2019-11-29 西安爱生技术集团公司 A kind of composite material orthogonal stiffeners siding integral solidifying tooling
CN110509569B (en) * 2019-08-21 2024-06-04 西安爱生技术集团公司 Integral curing and forming tool for longitudinal and transverse reinforced wallboard made of composite material

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