阅读说明：本技术 一种耐烧蚀压紧装置及压紧板的制造方法 (A kind of manufacturing method of the pressing device of resistance to ablation and pressure plate ) 是由 任晗 张文 周萌 梁刚 钟瑾 于 2019-08-20 设计创作，主要内容包括：本发明公开一种耐烧蚀压紧装置及压紧板的制造方法,包括与保护罩外形适配的压紧板,以及可拆卸的将所述压紧板固定在保护罩边沿的多个压紧块。本发明通过压紧块使压紧板牢固的压住保护罩的边沿,防止保护罩在高温高速燃气流的作用下被吹走,在达到发射次数后,能通过拆卸压紧板,进行保护罩的快速更换,保障发射任务的连续进行,其拆卸更换时间在三十分钟左右,平均使用寿命达到6次发射以上。本发明压紧板质量轻,强度高,能承受高速高温气流的冲击；压紧板能有效的压紧导流装置的保护罩,同时在若干次发射后能快速的拆卸,更换新的保护罩,适应连续发射的需求；本发明结构简单、使用方便、压紧可靠,易于维护,能够适应连续发射的任务需要。(The present invention discloses the manufacturing method of a kind of pressing device of resistance to ablation and pressure plate, including the pressure plate with protective cover external shape fits, and the pressure plate is removably fixed on to multiple compact heaps at protective cover edge.The present invention makes pressure plate firmly push down the edge of protective cover by compact heap; protective cover is prevented to be blown away under the action of high temperature and high speed combustion gas stream; after reaching emitting times; disassembly pressure plate can be passed through; carry out the quick-replaceable of protective cover; ensure being carried out continuously for launch mission, the dismounting and change time, average life reached 6 transmittings or more at 30 minutes or so.Pressure plate light weight of the present invention, intensity is high, can bear the impact of high-speed and high-temperature airflow；Pressure plate can effectively compress the protective cover of guiding device, while can quickly dismantle after emitting several times, and the protective cover more renewed adapts to the demand continuously emitted；The configuration of the present invention is simple, easy to use, compression is reliable, easy to maintain, can adapt to the task needs continuously emitted.)

1. a kind of pressing device of resistance to ablation, it is characterised in that: including the pressure plate with protective cover external shape fits, and it is dismountable The pressure plate is fixed on to multiple compact heaps at protective cover edge；

The pressure plate includes: the skeleton being integrally pressed and molded and ablative-resistant layer, the skeleton include integrally formed vertical part and Transverse part, the ablative-resistant layer are equipped with the slot for accommodating the vertical part and are fixedly connected with the vertical part；

Each compact heap includes: the upper solid of the surface for being connected to the lower fixed part of protective cover bottom and being connected to the transverse part Determine portion, and the locking structure that fixed portion and lower fixed part locking are fastened；

The both ends of protective cover width direction are equipped with pressure plate, and the pressure plate at every end is divided into symmetrical two parts, two portions The joint divided is connected by link block, and link block is bolted by screw and respectively with pressure plate.

2. the pressing device of resistance to ablation according to claim 1, it is characterised in that: the bottom of the pressure plate compresses protection Cover, type face and protective cover type face paste are closed, and radian is consistent, whole height 80mm~120mm.

3. the pressing device of resistance to ablation according to claim 1, it is characterised in that: the height of the vertical part is less than the resistance to burning Lose the height of layer.

4. the pressing device of resistance to ablation according to claim 1, it is characterised in that: the middle part of the vertical part is along the pressure plate Length direction be equipped at intervals with multiple enhancing screws, the head of the enhancing screw is located in the ablative-resistant layer.

5. the pressing device of resistance to ablation according to claim 1, it is characterised in that: the ablative-resistant layer is that material is short carbon fiber The mixture of peacekeeping magnesium phenolic resin, wherein carbon fiber volume factor 50%~55%.

6. the pressing device of resistance to ablation according to claim 1, it is characterised in that: the material of the skeleton is 38CrMnAl, Modifier treatment, thickness 4mm~6mm.

7. the pressing device of resistance to ablation according to claim 1, it is characterised in that:, fixed portion include: hollow portion and Upper abutting part；And it is connect in the middle part of one end and the upper abutting part, the connection that the other end is connect with the hollow portion top sidewall Portion；The end face of the upper abutting part is abutted with the vertical part, and the bottom surface of the upper abutting part is abutted with the transverse part top surface；It is described Lower fixed part includes insertion section and lower abutting part；The hollow portion, the lower abutting part and protective cover bottom are inserted into the insertion section Portion abuts；The locking structure includes bolt, and the insertion section is equipped with screw hole, and the bolt is threadedly coupled with the insertion section, And the head of the bolt is connected on the end face of the hollow portion outer wall；Pad is equipped between the bolt and the hollow portion Circle.

8. the manufacturing method of the pressure plate into any pressing device of resistance to ablation in 8 according to claim 1, including it is following Step:

S1 cuts the carbon fiber establishment cloth of suitable dimension, weighing record；

S2 takes appropriate carbon fiber and magnesium phenolic resin by ablative-resistant layer weight, and configuration premix is mixed in proportion；

S3 by drawing production skeleton and enhancing screw, and is assembled integral；

S4 clears up molding die, and skeleton is layered on molding die by surface coating release agent, then the uniform paved premix on skeleton Material, certain pressure intensity and at a temperature of be molded；

S5 solidifies 24 hours, demoulding；

S6, the fifth wheels such as cleaning excessive glue, finished product.

9. the manufacturing method of pressure plate according to claim 8, it is characterised in that: in step S2, carbon fiber volume factor It is 50%~55%.

10. the manufacturing method of pressure plate according to claim 8, it is characterised in that: the heating temperature in the S4 is 320 DEG C~350 DEG C, the pressure in step S4 is maintained at 40MPa~45MPa.

Technical field

The invention belongs to processing technique fields, and in particular to a kind of resistance on rocket, MISSILE LAUNCHING guiding device The manufacturing method of ablation pressing device and pressure plate.

Background technique

With the rapid development of aerospace industry and weaponry, various products need to carry out effective high temperature and high speed when emitting The water conservancy diversion of air-flow, the demand to guiding device are increasingly vigorous.From product lighting, modern guiding device generally uses non-gold The protective cover of category serves as ablative-resistant layer, rather than protective cover is generally fixed by the way of being bonded, being spirally connected.With continuous The demand of transmitting proposes, multiple guiding device can be used to become better choice, such guiding device generally has replaceable Protective cover, the resistance to ablation of the protective cover, and can quickly be replaced after service life reaches, to ensure launch mission It needs.

Summary of the invention

Background technique there are aiming at the problem that, that the purpose of the present invention is to provide a kind of structures is simple, easy to use, is convenient for Disassembly and the manufacturing method for compressing the reliable pressing device of resistance to ablation and pressure plate.

In order to achieve the above object, the pressing device of resistance to ablation that the present invention designs, it is characterised in that: including with outside protective cover The pressure plate of shape adaptation, and the pressure plate is removably fixed on to multiple compact heaps at protective cover edge；

The pressure plate includes: the skeleton being integrally pressed and molded and ablative-resistant layer, and the skeleton includes integrally formed perpendicular Portion and transverse part, the ablative-resistant layer are equipped with the slot for accommodating the vertical part and are fixedly connected with the vertical part；

Each compact heap includes: the lower fixed part for being connected to protective cover bottom and the surface that is connected to the transverse part Upper fixed part, and the locking structure that fixed portion and lower fixed part locking are fastened.

Preferably, the both ends of protective cover width direction are equipped with pressure plate, and the pressure plate at every end is divided into symmetrically Two parts, the joints of two parts connected by link block, link block by screw with bolted respectively with pressure plate.

Preferably, the bottom of the pressure plate compresses protective cover, and type face and protective cover type face paste are closed, and radian is consistent, whole Body height 80mm~120mm.

Preferably, the height of the vertical part is less than the height of the ablative-resistant layer.

Preferably, the middle part of the vertical part is equipped at intervals with multiple enhancing screws along the length direction of the pressure plate, described The head of enhancing screw is located in the ablative-resistant layer.

Preferably, the ablative-resistant layer is the mixture that material is short carbon fiber and magnesium phenolic resin, wherein carbon fibrous body Product coefficient 50%~55%.

Preferably, the material of the skeleton is 38CrMnAl, modifier treatment, thickness 4mm~6mm.

Preferably, fixed portion includes: hollow portion and upper abutting part；And in the middle part of one end and the upper abutting part Connection, the interconnecting piece that the other end is connect with the hollow portion top sidewall；The end face of the upper abutting part is abutted with the vertical part, The bottom surface of the upper abutting part is abutted with the transverse part top surface.

It is further preferred that the lower fixed part includes insertion section and lower abutting part；The insertion section insertion is described hollow Portion, the lower abutting part are abutted with protective cover bottom.

Still further preferably, the locking structure includes bolt, the insertion section be equipped with screw hole, the bolt with it is described Insertion section is threadedly coupled, and the head of the bolt is connected on the end face of the hollow portion outer wall；The bolt and it is described in Washer is equipped between empty portion.

The manufacturing method for the pressure plate that the present invention designs, comprising the following steps:

S1 cuts the carbon fiber establishment cloth of suitable dimension, weighing record；

S2 takes appropriate carbon fiber and magnesium phenolic resin by ablative-resistant layer weight, and configuration premix is mixed in proportion；

S3 by drawing production skeleton and enhancing screw, and is assembled integral；

S4 clears up molding die, and skeleton is layered on molding die by surface coating release agent, then on skeleton it is uniformly paved Premix, certain pressure intensity and at a temperature of be molded；

S5 solidifies 24 hours, demoulding；

S6, the fifth wheels such as cleaning excessive glue, finished product.

Preferably, carbon fiber volume factor is 50%~55% in the S2.

Preferably, the heating temperature in the S4 is 320 DEG C~350 DEG C.

Preferably, the pressure in the S4 is maintained at 40MPa~45MPa.

The beneficial effects of the present invention are: the present invention makes pressure plate firmly push down the edge of protective cover by compact heap, prevent Only protective cover is blown away under the action of high temperature and high speed combustion gas stream, after reaching emitting times, can be carried out by disassembly pressure plate The quick-replaceable of protective cover ensures being carried out continuously for launch mission, and the dismounting and change time is average to use at 30 minutes or so Service life reaches 6 transmittings or more.Pressure plate light weight of the present invention, intensity is high, can bear the impact of high-speed and high-temperature airflow；Pressure plate The protective cover of guiding device can be effectively compressed, while can quickly be dismantled after emitting several times, the protective cover more renewed is fitted The demand that should continuously emit；

The configuration of the present invention is simple, easy to use, compression is reliable, easy to maintain, can adapt to the task needs continuously emitted.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that assembly of the invention uses

Fig. 2 is structural schematic diagram of the invention

Fig. 3 is the structural schematic diagram of pressure plate of the present invention

Fig. 4 is the A-A schematic cross-sectional view in Fig. 3

In figure: protective cover 1, pressure plate 2, compact heap 3 (lower fixed part 31, upper fixed part 32, locking structure 33, insertion section 311, lower abutting part 312, hollow portion 321, upper abutting part 322, interconnecting piece 323, bolt 331, washer 332), 4 (vertical part of skeleton 41, transverse part 42), ablative-resistant layer 5, enhancing screw 6, link block 7.

Specific embodiment

Below by FIG. 1 to FIG. 4 and the modes of some alternative embodiments of the invention is enumerated, to technical side of the invention Case (including optimal technical scheme) is described in further detail.Obviously, described embodiment is only of the invention one Divide embodiment, instead of all the embodiments.Based on the embodiment of the present invention, those of ordinary skill in the art are not making wound Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.

As shown in Figures 1 to 4, the pressing device of resistance to ablation that the present invention designs, including the compression with 1 external shape fits of protective cover Plate 2, and the pressure plate 2 is removably fixed on to multiple compact heaps 3 at 1 edge of protective cover；

The pressure plate 2 includes: the skeleton 4 being integrally pressed and molded and ablative-resistant layer 5, and the skeleton 4 includes being integrally formed Vertical part 41 and transverse part 42, the ablative-resistant layer 5, which is equipped with, to be accommodated the slot of the vertical part 41 and is simultaneously fixedly connected with the vertical part 41；

Each compact heap 3 includes: to be connected to the lower fixed part 31 at 1, protective cover bottom and be connected to the transverse part 42 The upper fixed part 32 on surface, and the locking structure 33 that fixed portion 32 and lower 31 locking of fixed part are fastened.

The bottom of the pressure plate 2 compresses protective cover, and type face and protective cover type face paste are closed, and radian is consistent, whole height 80mm~120mm adjusts its height according to the size of combustion gas stream.

The height of the vertical part 41 is less than the height of the ablative-resistant layer 5.

The middle part of the vertical part 41 is equipped at intervals with multiple enhancing screws 6, the enhancing along the length direction of the pressure plate 2 The head of screw 6 is located in the ablative-resistant layer 5.

The ablative-resistant layer 5 is the mixture that material is short carbon fiber and magnesium phenolic resin, wherein carbon fiber volume factor 50%~55%.

The material of the skeleton is 38CrMnAl, modifier treatment, thickness 4mm~6mm.

Preferably, the both ends of 1 width direction of protective cover are equipped with pressure plate 2, and the pressure plate 2 at every end divide for pair Two parts claimed, the joints of two parts are connected by link block 7, link block 7 by screw with respectively with 2 bolt of pressure plate It connects.

As shown in Fig. 2, being the embodiment one of compact heap 3:

Fixed portion 32 includes: hollow portion 321 and upper abutting part 322；And one end and the upper abutting part 322 Middle part connection, the interconnecting piece 323 that the other end is connect with 321 top sidewall of hollow portion；The end face of the upper abutting part 322 with The vertical part 41 abuts, and the bottom surface of the upper abutting part 322 is abutted with 42 top surface of transverse part.The lower fixed part 31 includes inserting Enter portion 311 and lower abutting part 312；The hollow portion 321, the lower abutting part 312 and protective cover 1 are inserted into the insertion section 311 Bottom abuts.The locking structure 33 includes bolt 331, and the insertion section 311 is equipped with screw hole, and the bolt 331 is inserted with described Enter the threaded connection of portion 311, and the head of the bolt 331 is connected on the end face of 321 outer wall of hollow portion；The bolt Washer 332 is equipped between 331 and the hollow portion 321.

The manufacturing method for the pressure plate that the present invention designs, comprising the following steps:

S1 cuts the carbon fiber establishment cloth of suitable dimension, weighing record；

S2 takes appropriate carbon fiber and magnesium phenolic resin by ablative-resistant layer weight, and configuration premix is mixed in proportion；

S3 by drawing production skeleton and enhancing screw, and is assembled integral；

S4 clears up molding die, and skeleton is layered on molding die by surface coating release agent, then on skeleton it is uniformly paved Premix, certain pressure intensity and at a temperature of be molded；

S5 solidifies 24 hours, demoulding；

S6, the fifth wheels such as cleaning excessive glue, finished product.

Preferably, carbon fiber volume factor is 50%~55% in the S2.

Preferably, the heating temperature in the S4 is 320 DEG C~350 DEG C.

Preferably, the pressure in the S4 is maintained at 40MPa~45MPa.

It should be readily apparent to one skilled in the art that the above is merely preferred embodiments of the present invention, not to limit this hair Bright, all any modification, combination, replacement, improvement etc. made under the spirit and principles in the present invention are all contained in guarantor of the invention Within the scope of shield.