阅读说明：本技术 一种整体分离式发射箱盖及其加工方法 (Integral separation type launching box cover and processing method thereof ) 是由 安昕 唐泽辉 张鑫玉 闫承磊 陈博 孟宪慧 高婷 陈雨林 于 2020-05-28 设计创作，主要内容包括：本发明属于导弹发射技术领域,具体涉及一种整体分离式发射箱盖及其加工方法,整体分离式发射箱盖包括：金属法兰,所述金属法兰的中部设有圆孔,所述圆孔的边缘向所述金属法兰的一侧延伸形成第一凸缘；主体,所述主体包括第一蒙皮、第二蒙皮和夹层,所述夹层由轻质复合材料制成,包括圆底和设于所述圆底一侧周沿的第二凸缘,所述第一蒙皮贴合于所述夹层的内侧,所述第二蒙皮贴合于所述夹层的外侧；薄弱区,所述薄弱区呈环形,并设于所述第一凸缘的端面上,适于粘接述第一凸缘和所述第二凸缘。本发明中整体分离式箱盖的结构简单,且工作时不会损伤导弹发射箱及弹头。(The invention belongs to the technical field of missile launching, and particularly relates to an integrally-separated launching box cover and a processing method thereof, wherein the integrally-separated launching box cover comprises: the middle part of the metal flange is provided with a round hole, and the edge of the round hole extends to one side of the metal flange to form a first flange; the main body comprises a first skin, a second skin and an interlayer, the interlayer is made of light composite materials and comprises a round bottom and a second flange arranged on the periphery of one side of the round bottom, the first skin is attached to the inner side of the interlayer, and the second skin is attached to the outer side of the interlayer; and the weak area is annular, is arranged on the end face of the first flange and is suitable for bonding the first flange and the second flange. The integral separation type box cover is simple in structure, and the missile launching box and the warhead cannot be damaged during working.)

1. An integral separating type launching box cover, which is characterized by comprising:

the middle part of the metal flange is provided with a round hole, and the edge of the round hole extends to one side of the metal flange to form a first flange;

the main body comprises a first skin, a second skin and an interlayer, the interlayer is made of light composite materials and comprises a round bottom and a second flange arranged on the periphery of one side of the round bottom, the first skin is attached to the inner side of the interlayer, and the second skin is attached to the outer side of the interlayer;

and the weak area is annular, is arranged on the end face of the first flange and is suitable for bonding the first flange and the second flange.

2. The lid of the integral split launch box according to claim 1 wherein the first flange has a V-shaped groove in the middle of its end surface, said V-shaped groove being located in the middle of said weakened section and adapted to divide said weakened section into two circular rings.

3. The integral split launch box cover according to claim 2, further comprising two sealing rings, each sealing ring being disposed at each of two side edges of the weakened section and adapted to seal the junction of the first flange and the second flange.

4. The integral split launch box cover according to claim 3 wherein said main body further comprises a shield layer disposed on an interior side of said first skin.

5. A method of manufacturing an integral separate type launch box cover, adapted to manufacture an integral separate type launch box cover according to any of claims 1-4, comprising the steps of:

s1: taking a processing die of a main body, cleaning a female die and a male die in the processing die, and coating a release agent in die cavities of the female die and the male die; wherein the female die is the same shape as the body; the male die comprises a circular cover plate and a circular lug arranged in the middle of the cover plate, and a pouring hole is also formed in the middle of the lug; the shape of a die cavity formed by closing the male die and the female die is the same as that of the main body;

s2: taking a first skin and a second skin, pasting the first skin on the outer surface of the bump, and pasting the second skin on the inner surface of the female die; standing until the first skin and the second skin are solidified, and then placing the male die on the female die until the die is closed;

s3: taking the light composite material to prepare interlayer glue solution, injecting the interlayer glue solution into the die cavity through the injection hole, standing until the light composite material is cured and molded, and demolding to obtain a main body;

s4: and bonding the obtained main body and the metal flange, and sealing the bonding part by using sealant to obtain the integral separated type launching box cover.

6. The method for processing the integral separate type launch box cover according to claim 5, characterized in that in step S2, the first skin and the second skin are cut out from fiber reinforced resin composite material, the fiber in the fiber reinforced resin composite material is one of glass fiber, carbon fiber or basalt fiber, and the resin in the fiber reinforced resin composite material is one of polyester resin, vinyl ester resin or epoxy resin.

7. The method for manufacturing an integral separate type trunk lid according to claim 6, wherein in step S3, the interlayer is made of polyurethane foam and has a density of 0.3-0.7 g/cm³。

8. The method for manufacturing the integral separate type launch box cover according to claim 7, wherein in step S4, the main body and the metal flange are bonded by a high performance adhesive glue.

9. The method for manufacturing the integral separate type launching box cover according to claim 8, further comprising the step S5: and painting the metal flange and the outer side of the main body.

Technical Field

The invention belongs to the technical field of missile launching, and particularly relates to an integrally-separated launching box cover and a processing method thereof.

Background

The missile launching box cover is an important component in missile storage and launching, plays a role in sealing and protecting during transportation and storage, and needs to be opened quickly during launching to open a channel for missile discharging, so that the missile discharging posture is ensured.

In the past, missile launcher covers are often opened by using all-metal missile launcher covers and mechanical transmission mechanisms, see "missile launcher cover opening instant impact problem analysis and solution research" (tactical missile technology, 2010,5(021), golden armor). The transmission mechanism is controlled by a hydraulic system, the mechanism is complex, the additional mass of the box cover is increased, the manufacturing and transportation cost is increased, and the working time of automatic opening of the box cover is prolonged. The high-temperature and high-pressure impact effect of the gas flow during missile launching can easily cause the deformation and damage of the cover body, and the cover body needs to be replaced after long-time use, so that the missile storage, maintenance and launching costs are directly increased. Except for the mechanical opening type, a bursting type missile frangible cover also appears in recent years, the launching system directly collides with a box cover by utilizing the high-speed impact of the missile on a slide rail, the box cover is broken in a scattered manner under the severe collision, the missile is guaranteed to be launched smoothly, but the collision has certain damage to the warhead of the missile and can have great influence on the flying state of the missile. At present, the conventional burst-type fragile cover is divided into two types, namely a multi-section separation type cover and an integral separation type cover, and the two types of the burst-type fragile cover are all that a weak area is damaged under the action of high-pressure gas of missile gas flow to separate a cover body. In addition, a part of self-breaking missile launching box covers capable of fast combat are self-breaking by adopting a detonating cord explosive cutting method, see design and test of laminated fragile composite materials [ university of science and technology of Henan (Nature science edition), 2009,2(003):39-42, Yao Manyan, Zhan, Weifengchun and the like ], the method is very reliable in ensuring smooth passing of missiles, but has the defects of inconvenient transportation of electronic components and initiating explosive and the possibility of damaging the electronic components in the heads of the missiles due to possible failure in long-term storage and shock waves generated during explosion.

Patent CN200962016Y discloses a whole formula film lid that breaks through, through the shearing performance between the utilization ratio combined material layer, adjusts weak area intensity through the number of piles and the bonding width of adjustment reinforcement strip, but the weak area shaping adopts the hand to paste the technology, and accurate control bonding width is more difficult, has certain limitation in the realization.

Therefore, in view of the above disadvantages, the present invention is urgently needed to provide an integral separating type launching box cover and a processing method thereof.

Disclosure of Invention

The invention aims to provide an integral separation type launching box cover and a processing method thereof, and aims to solve the problem that the launching box cover is not easy to separate or a bullet is damaged during separation in the prior art.

The invention provides an integral separating type launching box cover, which comprises: the middle part of the metal flange is provided with a round hole, and the edge of the round hole extends to one side of the metal flange to form a first flange; the main body comprises a first skin, a second skin and an interlayer, the interlayer is made of light composite materials and comprises a round bottom and a second flange arranged on the periphery of one side of the round bottom, the first skin is attached to the inner side of the interlayer, and the second skin is attached to the outer side of the interlayer; and the weak area is annular, is arranged on the end face of the first flange and is suitable for bonding the first flange and the second flange.

The integral separate type launching box cover is further preferably provided with an annular V-shaped groove in the middle of the end face of the first flange, wherein the V-shaped groove is located in the middle of the weak area and is suitable for dividing the weak area into two circular rings.

The integral separated type launching box cover further preferably comprises two sealing rings, wherein the two sealing rings are respectively arranged at the two side edges of the weak area and are suitable for sealing the joint of the first flange and the second flange.

The integral separate type launch box cover as described above, further preferably, the main body further includes a shielding layer, and the shielding layer is disposed on the inner side of the first skin.

The invention also discloses a processing method of the integral separating type launching box cover, which is suitable for processing the integral separating type launching box cover and comprises the following steps: s1: taking a processing die of a main body, cleaning a female die and a male die in the processing die, and coating a release agent in die cavities of the female die and the male die; wherein the female die is the same shape as the body; the male die comprises a circular cover plate and a circular lug arranged in the middle of the cover plate, and a pouring hole is also formed in the middle of the lug; the shape of a die cavity formed by closing the male die and the female die is the same as that of the main body; s2: taking a first skin and a second skin, pasting the first skin on the outer surface of the bump, and pasting the second skin on the inner surface of the female die; standing until the first skin and the second skin are solidified, and then placing the male die on the female die until the die is closed; s3: taking the light composite material to prepare interlayer glue solution, injecting the interlayer glue solution into the die cavity through the injection hole, standing until the light composite material is cured and molded, and demolding to obtain a main body; s4: and bonding the obtained main body and the metal flange, and sealing the bonding part by using sealant to obtain the integral separated type launching box cover.

In the method for processing the integrally separated type launch box cover as described above, it is further preferable that in step S2, the first skin and the second skin are cut out from a fiber-reinforced resin composite material, the fiber in the fiber-reinforced resin composite material is one of glass fiber, carbon fiber or basalt fiber, and the resin in the fiber-reinforced resin composite material is one of polyester resin, vinyl ester resin or epoxy resin.

In the above method for processing the integral separate type launching box cover, it is further preferable that in step S3, the interlayer is made of polyurethane foam, and the density of the interlayer is 0.3 to 0.7g/cm³。

In the method for processing the integral separate type launch box cover as described above, it is further preferable that in step S4, the main body and the metal flange are bonded by a high performance adhesive.

The method for processing the integral separate type launch box cover further preferably includes step S5: and painting the metal flange and the outer side of the main body.

Compared with the prior art, the invention has the following advantages:

the invention discloses an integral separated type launching box cover which mainly comprises a metal flange, a main body and a weak area, wherein a round hole is formed in the middle of the metal flange, and the edge of the round hole extends to one side of the metal flange to form a first flange; the main body comprises a first skin, a second skin and an interlayer, the interlayer comprises a round bottom and a second flange arranged on one side of the round bottom, the first skin is attached to the inner side of the interlayer, and the second skin is attached to the outer side of the interlayer; the opposite surfaces of the first flange and the second flange are correspondingly bonded to form a weak area. In the structure, the middle part of the metal flange is provided with the round hole, the periphery of the round hole is provided with the first flange, and the first flange is connected with the second flange of the body, so that a complete integral separation type launching box cover is formed. Above-mentioned whole disconnect-type case lid passes through the outer edge of metal flange and installs on the guided missile launching box, during the in-service use, guided missile ignition launch forms ascending impulsive force, and the adhesive force between first flange and the second flange is less than the tensile failure strength of intermediate layer in the body again, so under the impulsive force effect, whole disconnect-type case lid is destroyed from between first flange and the second flange weak area department promptly, and then makes the body wholly drop from the metal flange, and later the guided missile is worn out from the round hole in metal flange middle part, realizes launching smoothly. The integral separation type box cover is simple in structure, and the missile launching box and the warhead cannot be damaged during working.

Drawings

FIG. 1 is a top view of an integral split launch box cover according to the present invention;

FIG. 2 is a cross-sectional structural view of FIG. 1;

fig. 3 is a view showing a structure of a mold for processing the body of fig. 1.

Description of reference numerals:

1-metal flange, 2-weak area, 3-main body, 4-second skin, 5-interlayer, 7-sealant, 8-first skin, 9-damage line, 10-female die, 11-male die and 12-pouring hole.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.