CN104149234A - Novel continuous molding mould for ultrathin component - Google Patents
Novel continuous molding mould for ultrathin component Download PDFInfo
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- CN104149234A CN104149234A CN201410374598.0A CN201410374598A CN104149234A CN 104149234 A CN104149234 A CN 104149234A CN 201410374598 A CN201410374598 A CN 201410374598A CN 104149234 A CN104149234 A CN 104149234A
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- mould
- formpiston
- right baffle
- soft mode
- shaped mould
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Abstract
The invention provides a novel continuous molding mould for an ultrathin component. The novel continuous molding mould comprises a left baffle 1, a front baffle 2, a male mould 3, a flexible mould 4, a right baffle 5, a female mould 6 and a rear baffle 7, wherein the male mould 3 has a convex curved surface; the female mould 6 has a concave curved surface at a position corresponding to the convex curved surface; the circular arc radius of the convex curved surface is equal to that of the concave curved surface; the male mould 3 is covered with the flexible mould 4; the left baffle 1, the front baffle 2, the rear baffle 7 and the right baffle 5 are respectively in screw joint to the periphery of the male mould 3 and are used for blocking the flexible mould 4. According to the novel continuous molding mould, the flexible mould and a fixing device of the flexible mould are additionally arranged, so that a composite material component for a large ultrathin non-equal-thickness complex satellite can be prepared with high accuracy; the product is excellent in surface quality, high in accuracy of the molded surface and excellent in performance; the problem of molding of the composite material component for the large ultrathin non-equal-thickness complex satellite can be solved; the problems of poor appearance quality, high porosity and poor accuracy of the molded surface caused by uneven pressure distribution of a metal mould due to the non-equal thickness of the product can be solved.
Description
Technical field
The invention belongs to composite material forming field, be specifically related to a kind of new type of continuous mould for ultrathin component.
Background technology
Because the restriction of transmitter useful space load, deployable space structure plays an important role at traditional space industry.At present, an obvious trend is in future space structure applications, as instrument suppotr strut, antenna, reflector, solar sail and large solar energy system, all will use deployable space structure.The deployable composite element of deployable space structure requires the feature of large scale, ultra-thin, non-equal thick section, and the mould using in the forming process of member at present, is all-metal construction.Because the ultra-thin non-uniform thickness feature of member is higher to the required precision of mould molding profile, machining accuracy is difficult to reach designing requirement, while causing mould closed, produce and interfere, can not realize the non-equal thick section index request of product, form dimension overproof, pressure inequality, product is defective, therefore the present invention introduces soft mode, has solved the uneven problem of pressure after mould closure.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of new type of continuous mould for ultrathin component is provided, change the mold pressing pattern of traditional die hard, adopt soft and mode die hard combination, utilize soft mold to have the feature of certain distortion, avoid the mutual interference of mould, pressure transmits uneven phenomenon, the pressure inequality existing when solution satellite is continuously shaped with ultra-thin complex-curved composite element, product porosity is high, profile low precision problem.
The object of the invention is to be achieved through the following technical solutions:
The present invention relates to a kind of new type of continuous mould for ultrathin component, described continuously shaped mould comprises and comprising: right baffle-plate 1, front apron 2, formpiston 3, soft mode 4, right baffle plate 5, former 6, backboard 7; Described formpiston 3 is provided with convex surface, and on described former 6, the position corresponding with convex surface is provided with concave curved surface, and described arc radius protruding, concave curved surface equates; Described soft mode 4 covers on described formpiston 3; Described right baffle-plate 1, front 2, backboard 7, right baffle plate 5 are separately fixed at the surrounding of described formpiston 3, and engage residence and state soft mode 4.
Preferably, described arc radius protruding, concave curved surface is 40～80mm.
Preferably, the thickness of described soft mode 4 is 10mm～30mm, and profile is the tangent ruled surface of many circular arcs of radius 40～80mm.
The thermal coefficient of expansion of the soft material that preferably, described soft mode 4 adopts is 1～4000K
-1× 10
-6, hardness is 0.1～10 Rockwell, and serviceability temperature is 20～250 DEG C, and elastic modelling quantity is not less than 100Mpa.
Preferably, described right baffle-plate 1, right baffle plate 5 are separately positioned on the described formpiston 3 convex surfaces extension end face that extend both sides to the left and right, the little 3～6mm of thickness of the aspect ratio soft mode 4 of described right baffle-plate 1, right baffle plate 5.
Preferably, described forward and backward baffle plate 2,7 is separately positioned on the front and back sides of described formpiston 3, and described forward and backward baffle plate 2,7 all has the convex surface that arc radius is 40～80mm, and this convex surface is lower than soft mode 4 upper surface 3～6mm.
Preferably, described soft mode 4 is glued in metal positive 3.Fixed the relative position of soft modes 4 by the right baffle-plate 1, front apron 2, backboard 7 and the right baffle plate 5 that are screwed onto respectively formpiston 3; Make its not slippage in forming process.
Preferably, described right baffle-plate 1 and right baffle plate 5 materials are steel or aluminium alloy, are spirally connected and are fixed on formpiston 3.
Preferably, described forward and backward baffle plate 2,7 materials are steel or aluminium alloy, are spirally connected and are fixed on formpiston 3.
Preferably, described former 6 and formpiston 3 materials are steel.
The arc radius of the curved surface of above-mentioned former 6 and formpiston 3 is 40～80mm, and length direction is not limit.Described ladle is containing hot-rolled steel, forged steel; Described aluminium alloy comprises 2A12,2A14.
Compared with prior art, the beneficial effect that the present invention has is:
The present invention is by having increased soft mode and fixture thereof, realize the high accuracy preparation of the composite element that the complex large-sized satellite of ultra-thin non-uniform thickness uses, product surface quality is excellent, profile precision is high, excellent performance, solve the complicated satellite of ultra-thin large-scale non-uniform thickness composite element moulding problem, and the apparent mass that causes metal die pressure distribution inequality to bring due to the non-uniform thickness of product is poor, porosity is high, the problem of profile low precision.
Brief description of the drawings
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is the structural representation for the new type of continuous mould of ultrathin component;
Fig. 2 is the front view for the new type of continuous mould of ultrathin component;
Fig. 3 is the rearview for the new type of continuous mould of ultrathin component;
Wherein, 1 is right baffle-plate, and 2 is front apron, and 3 is formpiston, and 4 is soft mode, and 5 is right baffle plate, and 6 is former, and 7 is backboard.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art further to understand the present invention, but not limit in any form the present invention.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement.These all belong to protection scope of the present invention.
embodiment 1
The present embodiment is described further in conjunction with Fig. 1,2,3, and the new type of continuous mould for ultrathin component that the present embodiment relates to, comprises right baffle-plate 1, front apron 2, backboard 7, formpiston 3, soft mode 4, right baffle plate 5, former 6 successively.
Described soft mode material comprises silicon rubber, and thickness is 10mm～30mm, and profile is the tangent ruled surfaces of many circular arcs; Described soft mode profile arc radius is 40～80mm.Described soft mode 4 is the fixing mode in position on formpiston 3: first soft mode is glued in metal positive, is fixed the relative position of soft modes 4 by the right baffle-plate 1, front apron 2, backboard 7 and the right baffle plate 5 that are screwed onto respectively formpiston 3; Make its not slippage in forming process.
Described right baffle-plate 1, right baffle plate 5 materials are steel or aluminium alloy, and adopting is spirally connected is fixed on formpiston 3 arranged on left and right sides, are specially on the end face that is arranged on the formpiston 3 convex surfaces elongated end that extend both sides to the left and right, and it is highly all than the little 3～6mm of soft mode 4 thickness.Described ladle is containing hot-rolled steel, forged steel; Described aluminium alloy comprises 2A12,2A14.
The material of described front apron 2, backboard 7 is steel or aluminium alloy (hot-rolled steel, forged steel, 2A12,2A14), employing is spirally connected and is fixed on the forward and backward end of formpiston 3, upper end curved surface is lower than soft mode 4 thickness 3～6mm, and curved surface arc radius is consistent with soft mode 4 is: 40～80mm.
The arc radius of the curved surface of described mold cavity block 6 and formpiston 3 is 40mm～80mm, and length direction is not limit.
The continuously shaped mould for ultrathin component of preparing the present embodiment, specifically comprises the steps:
Step 1: adopting steel (hot-rolled steel) to produce is highly formpiston and the former that 120mm, width are 250～400mm, and the subsequent corrosion of its profile is 55mm.
Step 2: adopt the soft mode that silicon rubber casting thickness is 10～30mm, subsequent corrosion is 55mm, width 240mm.
Step 3: adopt 2# sand paper that male mold surfaces is polished, soft mode is glued to relevant position by gluing.
Step 4: adopt aluminium alloy (2A12) processing right baffle-plate, right baffle plate, front apron, backboard.Be screwed onto respectively the relevant position of formpiston.
Step 5: the each profile of post processing, guarantee to meet designing requirement.
In the present invention, each baffle plate being spirally connected around formpiston 3 is position-limiting action, ensures when soft mode 4 is subject to frictional force in composite continuous forming process not to be moved.
Simultaneously because soft mode 4 has certain thermal coefficient of expansion and modulus, can there is thermal expansion in former 6 and the closed heating of formpiston 3 in hot pressing in the time that it is heated, and further applies thermal expansion force to product, and the porosity that reduces goods is better than 0.3%.
Because soft mode 4 has certain hardness, in the time of pressurized, there is certain distortion simultaneously, fit completely according to actual cross-section shape and the mould of product, make the uniformity of product profile and die face, realize product profile precision R.M.S≤0.5;
In hot pressing, mould is fitted ensured that each position temperature of mould is even completely, has ensured that the expansive force that soft mode produces is consistent everywhere.And the pressure that product is subject to equals soft mode expansive force and formpiston and the closed pressure sum producing of former, therefore ensure the product uniformity that is under pressure.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (10)
1. the new type of continuous mould for ultrathin component, it is characterized in that, described continuously shaped mould comprises right baffle-plate (1), front apron (2), backboard (7), formpiston (3), soft mode (4), right baffle plate (5), former (6); Described formpiston (3) is provided with convex surface, and the upper position corresponding with convex surface of described former (6) is provided with concave curved surface, and described arc radius protruding, concave curved surface equates; Described soft mode (4) covers and is arranged on described formpiston (3); Described right baffle-plate (1), front apron (2), backboard (7), right baffle plate (5) are separately fixed at the surrounding of described formpiston (3), and engage residence and state soft mode (4).
2. continuously shaped mould according to claim 1, is characterized in that, described arc radius protruding, concave curved surface is 40mm～80mm.
3. continuously shaped mould according to claim 1, is characterized in that, the thickness of described soft mode (4) is 10mm～30mm, and profile is the tangent ruled surface of many circular arcs of radius 40～80mm.
4. according to the continuously shaped mould described in claim 1 or 3, it is characterized in that, the thermal coefficient of expansion of the soft material that described soft mode (4) adopts is 1～4000K
-1× 10
-6, hardness is 0.1～10 Rockwell, and serviceability temperature is 20～250 DEG C, and elastic modelling quantity is not less than 100Mpa.
5. continuously shaped mould according to claim 1, it is characterized in that, described right baffle-plate (1), right baffle plate (5) are separately positioned on described formpiston (3) the convex surface extension end face that extend both sides to the left and right, the little 3～6mm of thickness of the aspect ratio soft mode (4) of described right baffle-plate (1), right baffle plate (5).
6. continuously shaped mould according to claim 1, it is characterized in that, described forward and backward baffle plate (2,7) is separately positioned on the front and back sides of described formpiston (3), described forward and backward baffle plate (2,7) all has the convex surface that arc radius is 40～80mm, and this convex surface is compared with soft mode (4) low 3～6mm in upper surface.
7. according to the continuously shaped mould described in any one in claim 1～6, it is characterized in that, described soft mode (4) is glued in metal positive (3).
8. continuously shaped mould according to claim 7, is characterized in that, described right baffle-plate (1) and right baffle plate (5) material are steel or aluminium alloy, are spirally connected and are fixed on formpiston (3).
9. continuously shaped mould according to claim 7, is characterized in that, described forward and backward baffle plate (2,7) material is steel or aluminium alloy, is spirally connected and is fixed on formpiston (3).
10. continuously shaped mould according to claim 7, is characterized in that, described former (6) and formpiston (3) material are steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410374598.0A CN104149234A (en) | 2014-07-31 | 2014-07-31 | Novel continuous molding mould for ultrathin component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410374598.0A CN104149234A (en) | 2014-07-31 | 2014-07-31 | Novel continuous molding mould for ultrathin component |
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|---|---|
| CN104149234A true CN104149234A (en) | 2014-11-19 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410374598.0A Pending CN104149234A (en) | 2014-07-31 | 2014-07-31 | Novel continuous molding mould for ultrathin component |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106112396A (en) * | 2016-07-01 | 2016-11-16 | 中航飞机股份有限公司西安飞机分公司 | A kind of multiple material shaping mould tire thin plate curved profile processing method |
| CN106182790A (en) * | 2016-07-08 | 2016-12-07 | 湖北三江航天江北机械工程有限公司 | Slender type dovetail shaped airvane leading edge forming method and moulding pressing mould and appliance special for detecting |
| CN111688234A (en) * | 2020-06-23 | 2020-09-22 | 中国航空制造技术研究院 | Combined die for automatic composite material laying process and working method |
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| CN102320139A (en) * | 2011-06-22 | 2012-01-18 | 航天材料及工艺研究所 | Forming process of curved composite tube |
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2014
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106112396A (en) * | 2016-07-01 | 2016-11-16 | 中航飞机股份有限公司西安飞机分公司 | A kind of multiple material shaping mould tire thin plate curved profile processing method |
| CN106112396B (en) * | 2016-07-01 | 2018-05-29 | 中航飞机股份有限公司西安飞机分公司 | A kind of multiple material shaping mould tire thin plate curved profile processing method |
| CN106182790A (en) * | 2016-07-08 | 2016-12-07 | 湖北三江航天江北机械工程有限公司 | Slender type dovetail shaped airvane leading edge forming method and moulding pressing mould and appliance special for detecting |
| CN111688234A (en) * | 2020-06-23 | 2020-09-22 | 中国航空制造技术研究院 | Combined die for automatic composite material laying process and working method |
| CN111688234B (en) * | 2020-06-23 | 2022-04-12 | 中国航空制造技术研究院 | Combined die for automatic composite material laying process and working method |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20141119 |