CN101722657A - Device for molding shape memory alloy embedded corrugated envelope and manufacturing method - Google Patents
Device for molding shape memory alloy embedded corrugated envelope and manufacturing method Download PDFInfo
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- CN101722657A CN101722657A CN 200910234392 CN200910234392A CN101722657A CN 101722657 A CN101722657 A CN 101722657A CN 200910234392 CN200910234392 CN 200910234392 CN 200910234392 A CN200910234392 A CN 200910234392A CN 101722657 A CN101722657 A CN 101722657A
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- 238000000465 moulding Methods 0.000 title claims abstract description 67
- 229910001285 shape-memory alloy Inorganic materials 0.000 title claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000003825 pressing Methods 0.000 claims abstract description 45
- 239000002131 composite material Substances 0.000 claims description 27
- 239000000835 fiber Substances 0.000 claims description 27
- 239000011120 plywood Substances 0.000 claims description 17
- 238000003672 processing method Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000010107 reaction injection moulding Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention provides a device for molding a shape memory alloy embedded corrugated envelope. The device comprises an upper panel and a lower panel, wherein a certain distance is reserved between the upper panel and the lower panel which are fixedly connected through connecting bolts; the lower panel is provided with a molding bottom die; two ends of the molding bottom die are correspondingly provided with positioning blocks; positioning grooves are reserved on the positioning blocks; a screwed hole is reserved on a position on the upper panel corresponding to the trough on the molding bottom die; a pressing bolt is arranged in the screwed hole; the tail end of the pressing bolt is connected with a press block; a screwed hole is reserved on a position on the upper panel corresponding to a plane on the molding bottom die; a flattening bolt is arranged in the screwed hole; and the tail end of the flattening bolt is connected with a plane briquetting. The invention also provides a method for manufacturing the corrugated envelope by using the molding device. The device for molding the corrugated envelope can prepare the shape memory alloy embedded corrugated envelope as required, and ensures accurate position of a shape memory alloy driver in the envelope without deflection.
Description
Technical field
The present invention relates to a kind of embedding has the shaped device of the ripple type covering of marmem, the invention still further relates to utilize shaped device processing to embed the processing method of the ripple type covering that marmem is arranged.
Background technology
The variant aircraft is a popular topic in the current flight device design field, and it has broken the conventional airplane design concept, can solve existing technical barrier in the design of current flight device.Wing to lift-drag ratio, limit velocity, the mobility of aircraft, control and stability, economy and security etc. have extremely important influence.The tradition wing just is fixed when design according to the aerial mission requirement, and aircraft relies on the pneumatic rudder faces of driving such as hydraulic-mechanic system, realizes flight control.Though the wing of this form is convenient to realize that the comparatively complicated weight of system is big, and pneumatic efficiency is not high.Therefore the task scope of traditional aircraft and adaptation atmospheric flow field changing capability all are restricted.In order to pursue more dynamical wing, become the forward position of current domestic and international air science technical development based on adaptive wing (also claiming " Morphing Wing ", the morphing) technology of intelligence structure.Morphing can be issued to desirable aerodynamic characteristic in different flight state, improves the aircraft combination property thereby significantly help, and becomes one of developing direction of following advanced aircraft.When large deformation takes place, the covering characteristic of morphing is had relatively high expectations, not only need have the moderate finite deformation ability, and on perpendicular to deformation direction, also need stronger bearing capacity at deformation direction.And the effect of traditional covering mainly is to keep the wing aerodynamic configuration, bears and transmit the flight aerodynamic loading, obviously can't satisfy the requirement of morphing.
At present, in the morphing technical research, covering mainly adopts two kinds of forms: the one, and the covering that adopts flexible bigger rubber type of material to make, though this covering satisfies wing distortion and air-tightness requirement, but, in order to improve bearing capacity, make wing internal structure, type of drive and Deformation control very complicated, and the integrated carrying ability of wing is not high; Another kind has adopted the movably hard covering of tradition of split blade type, though this covering satisfies wing carrying and variant demand, can't satisfy smooth, the continuous and whole air-tightness requirement of aerofoil surface, and the morphing pneumatic efficiency is made a discount.
Ripple struction is having stronger bearing capacity in the deformability that the slab construction of being far longer than is arranged along the ripple direction perpendicular to the ripple direction, becomes a kind of new configurations that can be used for skin of morphing wing.This case inventor has invented a kind of initiatively deformability that has, flexibility height, deflection are big on deformation direction, the ripple type covering that bearing capacity is strong on the vertical deformation direction, this covering is made by the fiber reinforcement type composite, between two-layer fiber reinforcement type composite, be provided with marmen, the fiber reinforcement type composite is pressed into corrugated configuration with marmen when the room temperature, and marmen is remembered linear pattern when high temperature.At present, the moulding process of composite mainly contains: hand pasting forming, resin transfer molding, fiber winding, reaction injection molding, pultrusion, vacuum bag molding moulding, the moulding of resin molding infiltration, prepreg (autoclave) moulding, the moulding of low-temperature setting prepreg etc.But, when utilizing prior art that this covering is suppressed, cause being embedded in the thread marmen distortion in the covering especially easily, thus can't realize the ripple type covering initiatively be out of shape function.
Summary of the invention
The object of the present invention is to provide a kind of shaped device that thread marmen can be embedded into ripple type covering in the composite material corrugated plate of fiber reinforcement type.
Another object of the present invention is to provide and utilize this shaped device processing to embed the processing method of the ripple type covering that marmem is arranged.
The object of the present invention is achieved like this: a kind of embedding has the shaped device of the ripple type covering of marmem, comprises top plate and lower plywood, maintain a certain distance between top plate and the lower plywood, and fixedly connected by connecting bolt; Do not attack threaded part on the bolt and be used to keep distance between the two-ply, this is apart from guaranteeing that the moulding bed die can be put between top plate and the lower plywood;
Described lower plywood is provided with the moulding bed die that the surface is provided with ripple, the two ends correspondence of moulding bed die is provided with locating piece, have the locating slot of the thread marmen in some location on the described locating piece, i.e. a rule stria that cuts out with wire cutting machine; The locating piece middle part has screwed hole, can be fixed in the both sides of moulding bed die, after fixing, the both sides locating slot is relative in twos, and the locating slot bottom flushes with the planar section of moulding bed die, so, selects different locating slots can accurately locate the position of each root marmen, accurately locate the spacing of adjacent two marmens, the locating slot on the locating piece is put at the two ends of every rhizoid shape marmen;
On the described top plate, the trough corresponding position with on the described moulding bed die is provided with screwed hole, is provided with the pressing screw in the screwed hole, the end of pressing screw be connected with can with the pressing block of trough interlock on the described moulding bed die; Described pressing block top be a planar structure, is convenient to combine with bolt carefully, and the below is a ripple struction, and ripple struction is identical with corrugated plating mould mold, can with the interlock of corrugated plating mould bed die;
On the described top plate, the corresponding position, plane with on the described moulding bed die is provided with screwed hole, is provided with the pressing screw in the screwed hole, and the end that flattens screw is connected with the plane briquetting.
Stable in order to connect between the laminate up and down, described connecting bolt is arranged on four angles of top plate and lower plywood.
In order to extrude the ripple that equates with ripple number on the moulding bed die, the number that is connected with the ripple on number and the moulding bed die of pressing screw of pressing block equates.
For ease of stitching operation and abundant pressing, the width of described pressing block is greater than the waviness width on the moulding bed die, and the width that is preferably described pressing block is three times of waviness width on the described moulding bed die.Pressing block top be a planar structure, is convenient to combine with bolt carefully, and the below is a ripple struction, and ripple struction is identical with corrugated plating mould mold, can with the interlock of corrugated plating mould bed die, fibre reinforced composites are pressed into corrugated.
Another object of the present invention is achieved in that utilizes the shaped device processing that embeds the ripple type covering that marmem is arranged to embed the processing method of the ripple type covering that marmem is arranged, and it is characterized in that carrying out as follows:
One, lay one or more layers uncured fibre reinforced composites on the moulding bed die, the width of laying is greater than the width of moulding bed die;
Two, on fibre reinforced composites, lay filamentous form shape memory alloy actuator, the locating slot that is provided with on the locating piece is put at the two ends of every rhizoid shape marmen, and the two ends of every rhizoid shape marmen are clamped on the extraneous pre-tightening apparatus, described pre-tightening apparatus provides the pretightning force of appropriateness, the linear pattern that can keep thread marmen can be subjected to again producing motion behind the pulling force;
Three, on the thread marmen that lays, re-lay one or more layers uncured fibre reinforced composites;
Four, tighten the pressing screw successively, drive pressing block and move downward, the fibre reinforced composites that embed thread marmen are extruded ripple type, there is crooked residual deformation in marmem after the pressing; Ripple pressing one by one, the ripple pressing finishes, and tightens the pressing screw, drives the plane briquetting and moves downward, and the fibre reinforced composites of the thread marmen of embedding at two ends are flattened;
Five, the ripple type covering that presses being put into temperature together with shaped device is 20～30 ℃ vacuum constant temperature case, extract the bubble of fibre reinforced composites interlayer out, solidify after 15～20 hours its taking-up, unclamp the pressing screw and flatten screw, covering is together taken out between top plate and lower plywood together with the moulding bed die; At this moment, the ripple form can maintain in the moulding bed die, and does not solidify fully;
Six, will with the covering that can be pressed together on the mold of described moulding bed die interlock on the described moulding bed die on, clamp moulding bed die and cope match-plate pattern with C type folder, C type folder applies about 500N pressure; To put into temperature be after 50～80 ℃ of insulating boxs solidify 2～4 hours to the integral body that will clamp then, takes out deburring, the demoulding; For solidification effect is good, the temperature of insulating box is preferably 60 ℃.
In order to be convenient in demoulding, before above-mentioned steps one, on described moulding bed die, mold and described pressing block, spray releasing agent respectively, guarantee that fibre reinforced composites are not bonding with mould, also can use the polytetrafluoroethylene film that can play demoulding effect that fibre reinforced composites and shaped device are isolated.
Beneficial effect of the present invention is:
1, the present invention embeds the shaped device of the ripple type covering that marmem is arranged, can prepare as required and embed the ripple type covering that marmem is arranged, and the marmen position in the assurance covering is accurate, be not offset, thereby guarantee that further the embedding of preparing has the ripple type covering of marmem to have initiatively deformability, dependable performance;
2, it is simple in structure that the present invention embeds the shaped device of the ripple type covering that marmem is arranged, and processing covering method is simple.
Description of drawings
Fig. 1 embeds the shaped device structural representation of the ripple type covering that marmem is arranged for the present invention.
Fig. 2 has the structural representation of locating piece in the shaped device of ripple type covering of marmem for the present invention embeds.
The specific embodiment
Below in conjunction with accompanying drawing, the mode by embodiment is elaborated to technical solution of the present invention, but protection scope of the present invention is not limited to described embodiment.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of embedding has the shaped device of the ripple type covering of marmem, comprises top plate 1 and lower plywood 2, maintain a certain distance between top plate 1 and the lower plywood 2, and fixedly connected by connecting bolt 3; Described connecting bolt 3 is arranged on four angles of top plate 1 and lower plywood 2; Do not attack threaded part on the connecting bolt 3 and be used to keep distance between the two-ply, this is apart from guaranteeing that the moulding bed die can be put between top plate and the lower plywood;
Described lower plywood 2 is provided with the moulding bed die 4 that the surface is provided with ripple, the two ends correspondence of moulding bed die 4 is provided with locating piece 5, have some locating slots 6 that are used to locate thread marmen on the described locating piece 5, locating slot is a rule stria that cuts out with wire cutting machine; Locating piece 5 middle parts have screwed hole, can be fixed in the both sides of moulding bed die 4, after fixing, both sides locating slot 6 is relative in twos, and locating slot 6 bottoms flush with the planar section of moulding bed die 4, so, select different locating slots can accurately locate the position of each root marmen, accurately locate the spacing of adjacent two marmens, the locating slot on the locating piece is put at the two ends of every rhizoid shape marmen;
On the described top plate 1, the trough corresponding position with on the described moulding bed die 4 is provided with screwed hole, is provided with pressing screw 7 in the screwed hole, the end of pressing screw 7 be connected with can with the pressing block 8 of trough interlock on the described moulding bed die 4; The number that is connected with the ripple on number and the moulding bed die 4 of pressing screw 7 of pressing block 8 equates; The width of described pressing block 8 is three times of waviness width on the moulding bed die 4;
On the described top plate 1, the corresponding position, plane with on the described moulding bed die 4 is provided with screwed hole, is provided with in the screwed hole to flatten screw 9, and the end that flattens screw 9 is connected with plane briquetting 10.
Utilize above-mentioned embedding to have the shaped device processing of the ripple type covering of marmem to embed the processing method of the ripple type covering that marmem is arranged, at first, on described moulding bed die 4, mold and described pressing block 8, spray releasing agent respectively, guarantee that fibre reinforced composites are not bonding with mould, then, carry out as follows:
One, on moulding bed die 4, lays three layers of uncured fibre reinforced composites; The width of laying is greater than the width of moulding bed die 4;
Two, on fibre reinforced composites, lay filamentous form shape memory alloy actuator, the locating slot 6 that is provided with on the locating piece 5 is put at the two ends of every rhizoid shape marmen, and the two ends of every rhizoid shape marmen are clamped on the extraneous pre-tightening apparatus; Described pre-tightening apparatus provides the pretightning force of appropriateness, can keep the linear pattern of thread marmen, can be subjected to again producing motion behind the pulling force;
Three, on the thread marmen that lays, re-lay three layers of uncured fibre reinforced composites;
Four, tighten pressing screw 7 successively, drive pressing block 8 and move downward, the fibre reinforced composites that embed thread marmen are extruded ripple type, there is crooked residual deformation in marmem after the pressing; The ripple pressing finishes, and tightens to flatten screw 9, drives plane briquetting 10 and moves downward, and the fibre reinforced composites of the thread marmen of embedding at two ends are flattened;
Five, the ripple type covering that presses being put into temperature together with shaped device is 25 ℃ vacuum constant temperature case, extract the bubble of fibre reinforced composites interlayer out, solidify after 18 hours its taking-up, unclamp pressing screw 7 and flatten screw 9, with covering together with moulding bed die 4 together from taking out between top plate 1 and the lower plywood 2; At this moment, the ripple form can maintain in moulding bed die 4, and does not solidify fully;
Six, will with the covering that can be pressed together on the cope match-plate pattern of described moulding bed die 4 interlocks on the described moulding bed die 4 on, clamp moulding bed die 4 and cope match-plate pattern with C type folder, C type folder applies about 500N pressure; To put into temperature be that 60 ℃ of insulating boxs solidified after 3 hours to the integral body that will clamp then, takes out deburring, the demoulding.
Claims (8)
1. an embedding has the ripple type covering forming device of marmem, it is characterized in that: comprise top plate (1) and lower plywood (2), maintain a certain distance between top plate (1) and the lower plywood (2), and fixedly connected by connecting bolt (3);
Described lower plywood (2) is provided with the moulding bed die (4) that the surface is provided with ripple, the two ends correspondence of moulding bed die (4) is provided with locating piece (5), has some locating slots (6) that are used to locate thread marmen on the described locating piece (5);
On the described top plate (1), with the trough corresponding position on the described moulding bed die (4), be provided with screwed hole, be provided with pressing screw (7) in the screwed hole, the end of pressing screw (7) be connected with can with the pressing block (8) of trough interlock on the described moulding bed die (4);
On the described top plate (1), the corresponding position, plane with on the described moulding bed die (4) is provided with screwed hole, is provided with in the screwed hole to flatten screw (9), and the end that flattens screw (9) is connected with plane briquetting (10).
2. embedding according to claim 1 has the ripple type covering forming device of marmem, it is characterized in that: described connecting bolt (3) is arranged on four angles of top plate (1) and lower plywood (2).
3. embedding according to claim 1 has the ripple type covering forming device of marmem, it is characterized in that: the number that is connected with the ripple on number and the moulding bed die (4) of pressing screw (7) of pressing block (8) equates.
4. embedding according to claim 1 has the ripple type covering forming device of marmem, it is characterized in that: the width of described pressing block (8) is greater than the waviness width of moulding bed die (4).
5. embedding according to claim 4 has the ripple type covering forming device of marmem, it is characterized in that: the width of described pressing block (8) is three times of waviness width on the moulding bed die (4).
6. utilize the described embedding of claim 1 to have the ripple type covering forming device processing of marmem to embed the ripple type covering processing method that marmem is arranged, it is characterized in that carrying out as follows:
One, goes up the uncured fibre reinforced composites of laying at moulding bed die (4);
Two, on fibre reinforced composites, lay filamentous form shape memory alloy actuator, locating piece (5) is put at the two ends of every rhizoid shape marmen gone up the locating slot (6) that is provided with, and the two ends of every rhizoid shape marmen are clamped on the extraneous pre-tightening apparatus;
Three, on the thread marmen that lays, re-lay uncured fibre reinforced composites;
Four, tighten pressing screw (7) successively, drive pressing block (8) and move downward, the fibre reinforced composites that embed thread marmen are extruded ripple type; The ripple pressing finishes, and tightens to flatten screw (9), drives plane briquetting (10) and moves downward, and the fibre reinforced composites of the thread marmen of embedding at two ends are flattened;
Five, the ripple type covering that presses being put into temperature together with shaped device is 20～30 ℃ vacuum constant temperature case, extract the bubble of fibre reinforced composites interlayer out, solidify after 15～20 hours its taking-up, unclamp pressing screw (7) and flatten screw (9), with covering together with moulding bed die (4) together from taking-up between top plate (1) and the lower plywood (2);
Six, will with the covering that can be pressed together on the mold of described moulding bed die (4) interlock on the described moulding bed die (4) on, clamp moulding bed die (4) and mold with C type folder; To put into temperature be after 50～80 ℃ of insulating boxs solidify 2～4 hours to the integral body that will clamp then, takes out deburring, the demoulding.
7. the shaped device of ripple type covering that utilizes according to claim 6 is processed the processing method that embeds the ripple type covering that marmem is arranged, and it is characterized in that: in the step 6, the temperature of described insulating box is 60 ℃.
8. the shaped device of ripple type covering that utilizes according to claim 6 is processed the processing method that embeds the ripple type covering that marmem is arranged, it is characterized in that: before the step 1, on described moulding bed die (4), mold and described pressing block (8), spray releasing agent respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910234392 CN101722657B (en) | 2009-11-24 | 2009-11-24 | Device for molding shape memory alloy embedded corrugated envelope and manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910234392 CN101722657B (en) | 2009-11-24 | 2009-11-24 | Device for molding shape memory alloy embedded corrugated envelope and manufacturing method |
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| CN101722657A true CN101722657A (en) | 2010-06-09 |
| CN101722657B CN101722657B (en) | 2013-03-06 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626613A (en) * | 2013-11-06 | 2015-05-20 | 波音公司 | Methods and tools for forming contoured composite structures with shape memory alloy |
| CN104723579A (en) * | 2015-04-13 | 2015-06-24 | 哈尔滨工业大学 | Assembling mold for all-composite corrugated sandwich cylindrical shells |
| CN109261769A (en) * | 2018-09-20 | 2019-01-25 | 北京航空航天大学 | It is a kind of for producing the mold and method of the corrugated plating of ring-shape original surface heat regenerator |
| CN109760341A (en) * | 2018-12-29 | 2019-05-17 | 南京航空航天大学 | The curved shape memory alloy of round trip, production method and driving method |
| CN113021948A (en) * | 2021-04-09 | 2021-06-25 | 北方长龙新材料技术股份有限公司 | Forming tool and process for continuous fiber reinforced resin matrix composite gear parts |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100374352C (en) * | 2006-07-28 | 2008-03-12 | 哈尔滨工业大学 | Shape memory alloy wire driven pectoral wave pushing bionic underwater robot |
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2009
- 2009-11-24 CN CN 200910234392 patent/CN101722657B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626613A (en) * | 2013-11-06 | 2015-05-20 | 波音公司 | Methods and tools for forming contoured composite structures with shape memory alloy |
| CN104626613B (en) * | 2013-11-06 | 2018-12-14 | 波音公司 | The Method and kit for of molding composite construction is formed using marmem |
| CN104723579A (en) * | 2015-04-13 | 2015-06-24 | 哈尔滨工业大学 | Assembling mold for all-composite corrugated sandwich cylindrical shells |
| CN104723579B (en) * | 2015-04-13 | 2017-03-22 | 哈尔滨工业大学 | Assembling mold for all-composite corrugated sandwich cylindrical shells |
| CN109261769A (en) * | 2018-09-20 | 2019-01-25 | 北京航空航天大学 | It is a kind of for producing the mold and method of the corrugated plating of ring-shape original surface heat regenerator |
| CN109760341A (en) * | 2018-12-29 | 2019-05-17 | 南京航空航天大学 | The curved shape memory alloy of round trip, production method and driving method |
| CN113021948A (en) * | 2021-04-09 | 2021-06-25 | 北方长龙新材料技术股份有限公司 | Forming tool and process for continuous fiber reinforced resin matrix composite gear parts |
| CN113021948B (en) * | 2021-04-09 | 2023-02-03 | 北方长龙新材料技术股份有限公司 | Forming tool and process for continuous fiber reinforced resin matrix composite gear parts |
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Granted publication date: 20130306 Termination date: 20151124 |