阅读说明：本技术 一种多点点传火结构及其制备装置和方法 (A kind of Multi-point point passes fiery structure and its preparation facilities and method ) 是由 叶迎华 张泽华 许建兵 沈云 王成爱 王悦听 杨腾龙 李福伟 于 2019-08-08 设计创作，主要内容包括：本发明属于点传火结构领域,具体涉及一种多点点传火结构及其制备装置和方法。所述装置为3D成型系统,包括注射泵,注射器,装药基板,平台和控制系统,注射器端部连接针头；注射器连接有注射泵,注射器的针头下方设置有可移动的平台,装药基板固定于平台上表面,平台连接控制系统；注射器中装有油墨,在注射泵的驱动下,注射器进行油墨输出,同时平台按照控制系统的程序移动,带动固定于平台上的装药基板移动,实现点传火结构的制备。本发明结合3D快速成型技术,进行适用于火工器件的多点点传火结构的制造,具有很高的加工柔性,自动化程度高,油墨装药的安全性高。(The invention belongs to pass a fiery construction applications, and in particular to a kind of Multi-point point passes fiery structure and its preparation facilities and method.Described device is 3D formation system, including syringe pump, syringe, powder charge substrate, platform and control system, syringe end connecting needle；Syringe is connected with syringe pump, and moveable platform is provided with below the syringe needle of syringe, and powder charge substrate is fixed on platform upper surface, and platform connects control system；Ink is housed, under the driving of syringe pump, syringe carries out ink output, while platform is mobile according to the program of control system, drives the powder charge substrate being fixed on platform mobile, realizes that point passes the preparation of fiery structure in syringe.Present invention combination 3D rapid shaping technique carries out the manufacture that fiery structure is passed suitable for the Multi-point point of firer's device, has a very high processing flexibility, high degree of automation, ink powder charge it is highly-safe.)

1. the preparation facilities that a kind of Multi-point point passes fiery structure, which is characterized in that described device is 3D formation system, including syringe pump (1), syringe (2), powder charge substrate (3), platform (4) and control system (5), syringe (2) end connecting needle；

The syringe (2) is connected with syringe pump (1), is provided with moveable platform (4) below the syringe needle of syringe (2), fills Medicine substrate (3) is fixed on platform (4) upper surface, and platform (4) connects control system (5)；Ink is housed in the syringe (2), Under the driving of syringe pump (1), syringe (2) carries out ink output, while platform (4) is moved according to the program of control system (5) It is dynamic, it drives the powder charge substrate (3) being fixed on platform (4) mobile, realizes that point passes the preparation of fiery structure.

2. the apparatus according to claim 1, which is characterized in that the platform (4) is three-dimensional removable self-heating platform.

3. the apparatus according to claim 1, which is characterized in that the syringe needle of syringe (2) end is 16G-32G.

4. the method for passing fiery structure using the described in any item device preparation points of claim 1-3, which is characterized in that including as follows Step:

Step (1): Multi-point point is designed according to firer's device parameter requirements and passes fiery structure；

Step (2): according to firer's device parameter requirements design ink formulations containing energy and encapsulation ink formulations；

Step (3): fiery structure is passed according to the Multi-point point in step (1) and writes metafile, is transmitted to 3D formation system；

Step (4): fiery structure choice substrate is passed according to the Multi-point point in step (1), cooperates 3D rapid prototyping system, successively carries out The ink print containing energy and encapsulation ink print obtain the fiery structure of Multi-point point biography after drying or ultraviolet light solidification.

5. according to the method described in claim 4, it is characterized in that, in the step (2) containing can ink formula are as follows: aluminium, oxygen Change the mixture of copper, nitrocotton, ethyl alcohol and ether, aluminum shot diameter 50nm-100nm, copper oxide partial size 40nm-100nm, nitrocotton contains Nitrogen quantity is greater than 13%；The encapsulation ink formulations ingredient is polyvinylidene fluoride and N,N-dimethylformamide.

6. according to the method described in claim 4, it is characterized in that, the substrate that the Multi-point point passes fiery structure is 06Cr19Ni10 Number steel；The temperature dried in the step (4) is 60 DEG C -100 DEG C；The ultraviolet light solidifies the ultraviolet wavelength model of the ink containing energy It encloses for 350nm-400nm.

7. passing fiery structure using the Multi-point point of the described in any item method preparations of claim 4-6, which is characterized in that the multiple spot It is " flakes ", specific structure that point, which passes fiery structure, are as follows: extend the fiery channel of 6 main biographies at the input point of center, is respectively separated 60 °, Extend 3 times at the fiery Path end point of every main biography and pass fiery channel, is respectively separated 60 °；It lights a fire at the input point of center Afterwards, medicament burn with 6 main biographies fire for passing fiery channels, after reaching main biographys fire Path end point, along from 6 main biographies fire channels Burnt and passed fire in the total fiery channel of 18 biographies to extend out, realizes " a little ten eight points of input exports simultaneously ".

8. Multi-point point according to claim 7 passes fiery structure, which is characterized in that it is 1mm-20mm that center, which inputs spot diameter, Output point is having a size of 1mm-20mm, and the fiery passage length of main biography is 5mm-50mm, width 1mm-5mm, depth 1mm-5mm, secondary Passing fiery passage length is 5mm-30mm, width 1mm-5mm, depth 1mm-5mm.

9. passing fiery structure using the Multi-point point of the described in any item method preparations of claim 4-6, which is characterized in that the multiple spot It is " arachnoid ", specific structure that point, which passes fiery structure, are as follows: extends 4 head ends at the input point of center and passes fiery channel, is respectively separated 90 °, respectively extended outward with the range complications winding at 60 ° of angles and pass fiery channel to delay, it is initial finally to pass fiery channels along 4 Rectilinear direction extends to 4 ends channel Chuan Huo；After being lighted a fire at the input point of center, medicament is logical as 4 head ends pass fire The biography in road is fiery and burns, and after delaying to pass fiery channel burning a period of time, biography fire reaches end output point, realizes " some input 4 points export with time delay period ".

10. Multi-point point according to claim 9 passes fiery structure, which is characterized in that it is 1mm-20mm that center, which inputs spot diameter, For output point having a size of 1mm-20mm, it is 5mm-20mm that head end, which passes fiery passage length, delays to pass fiery passage length to be 20mm-200mm, It is 5mm-30mm that end, which passes fiery passage length, and it is 1mm-5mm, depth 1mm-5mm that entirety, which passes fiery channel width,.

Technical field

The invention belongs to pass a fiery construction applications, and in particular to a kind of Multi-point point passes fiery structure and its preparation facilities and side Method.

Background technique

For energetic material as a kind of high-energy density, inflammable, explosive hazardous material, traditional forming mode is main There are two types of.1) one is powder energetic material is mixed with adhesive, be put into selection certain pressure after mold make energetic material at Then type moves back the powder column of shape needed for mould obtains.Advantage: it is easy to operate, it can control powder charge close by adjusting powder column forming pressure Degree；Insufficient: medicament powder is easy stuck mold, and needs mating particular mold.2) another forming mode is casting forming, will be contained Energy material is dissolved in solvent, and a certain amount of curing agent is added, casts into mold after mixing, then under given conditions Solidified forming.Advantage: gained powder column is uniform in material, and combustion stability is good, and required mold is simply easily made；Insufficient: curing rate is slow, When casting forming small size powder column, influenced by surface tension and energetic material oneself viscosity, formed precision is low.

Three-dimensional printing-forming technology, equipment is simple, and printable material is extensive, low in cost, while environmental-friendly Waste of material is few, and forming speed is fast, can make the complex parts with fine structure.As one in 3D rapid shaping technique Kind representative art, inkjet printing are a kind of contactless, no pressures, the printing technology without printing plate.Inkjet printing is not related to chemistry It reacts, the information input in computer is printed into ink-jet printer, can obtain the pattern of desired design.Computer is fixed Level is true, the edge definition of ink folder can be greatly improved, while UV (ultraviolet light) ink may insure that folder mass colour is equal One, and will not be affected by the climate.

Putting in existing igniter passes fiery structure and is generally the powder column compared with big L/D ratio and has certain amount igniting pore size distribution Pencil, ignition charge is the charge constitution of dense packing.Presently, there are following problems: on the one hand, what compression shock made not ignite Ignition charge is accumulated, and top pressure increases, and is caused output pressure value at ignitron different parts to differ larger, is influenced ignition charge Normal combustion；On the other hand, ignition charge accumulation mode is random uncontrollable, and point igniting property is unstable.

And for the fiery structure powder charge of point biography, presently, there are following problems for the forming of energetic material: 1) powdery energetic material forms It is complex with powder charge, it improves charging accuracy and needs to sacrifice the time；2) point of microminiature firer device passes in fiery structure, tradition side Formula is difficult to realize uniform powder charge；3) traditional " igniting primer " passes fiery structure difference flash hole output and differs greatly, and point igniting property is not Stablize.

Summary of the invention

The purpose of the present invention is to provide a kind of Multi-point points to pass fiery structure and its preparation facilities and method.

The technical solution for realizing the aim of the invention is as follows:

A kind of Multi-point point passes the preparation facilities of fiery structure, and described device is 3D formation system, including syringe pump, syringe, Powder charge substrate, platform and control system, syringe end connecting needle；

The syringe is connected with syringe pump, and moveable platform is provided with below the syringe needle of syringe, and powder charge substrate is solid Due to platform upper surface, platform connects control system；Ink, under the driving of syringe pump, syringe are housed in the syringe Ink output is carried out, while platform is mobile according to the program of control system, drives the powder charge substrate being fixed on platform mobile, it is real Now point passes the preparation of fiery structure.

Further, the platform is three-dimensional removable self-heating platform.

Further, the syringe needle of the syringe end is 16G-32G.

The method for passing fiery structure using above-mentioned device preparation point, includes the following steps:

Step (1): Multi-point point is designed according to firer's device parameter requirements and passes fiery structure；

Step (2): according to firer's device parameter requirements design ink formulations containing energy and encapsulation ink formulations；

Step (3): fiery structure is passed according to the Multi-point point in step (1) and writes metafile, is transmitted to 3D formation system；

Step (4): fiery structure choice substrate is passed according to the Multi-point point in step (1), cooperates 3D rapid prototyping system, successively The ink print containing energy and encapsulation ink print are carried out, after drying or ultraviolet light solidification, obtains the fiery structure of Multi-point point biography.

Further, in the step (2) containing can ink formula are as follows: aluminium, copper oxide, nitrocotton, ethyl alcohol and ether Mixture, aluminum shot diameter 50nm-100nm, copper oxide partial size 40nm-100nm, nitrocotton nitrogen content are greater than 13%；The encapsulation oil Ink formulations ingredient is polyvinylidene fluoride and N,N-dimethylformamide.

Further, it is 06Cr19Ni10 steel that the Multi-point point, which passes the substrate of fiery structure,；It is dried in the step (4) Temperature is 60 DEG C -100 DEG C；The ultraviolet range that the ultraviolet light solidifies the ink containing energy is 350nm-400nm.

It adopts the Multi-point point prepared with the aforedescribed process and passes fiery structure, it is " flakes " that the Multi-point point, which passes fiery structure, specifically Structure are as follows: extend the fiery channel of 6 main biographies at the input point of center, be respectively separated 60 °, extend at the fiery Path end point of every main biography The fiery channel of 3 biographies out, is respectively separated 60 °；After being lighted a fire at the input point of center, medicament main passes fiery channel with 6 It passes fire and burns, after reaching the fiery Path end point of main biography, passed along total 18 times extended out from 6 main fiery channels of biography fiery logical Burnt and passed fire in road, realizes " a little ten eight points of input exports simultaneously ".

Further center input spot diameter is 1mm-20mm, and output point is having a size of 1mm-20mm, the fiery passage length of main biography For 5mm-50mm, width 1mm-5mm, depth 1mm-5mm, the fiery passage length of secondary biography is 5mm-30mm, width 1mm- 5mm, depth 1mm-5mm.

It adopts the Multi-point point prepared with the aforedescribed process and passes fiery structure, it is " arachnoid " that the Multi-point point, which passes fiery structure, specifically Structure are as follows: extend 4 head ends at the input point of center and pass fiery channel, be respectively separated 90 °, respectively returned with the range complications at 60 ° of angles Circumferential outer extension passes fiery channel for extension, and it is logical finally to extend to 4 ends biography fire along the initial rectilinear direction in the fiery channel of 4 biographies Road；After being lighted a fire at the input point of center, the biography in medicament fiery channel as 4 head ends pass is fiery and burns, and delaying, biography fire is logical Road burnt after a period of time, passes fire and reaches end output point, realized " a little exporting with time delay period for 4 points of input ".

Further, input spot diameter in center is 1mm-20mm, and for output point having a size of 1mm-20mm, it is long that head end passes fiery channel Degree is 5mm-20mm, delays to pass fiery passage length to be 20mm-200mm, it is 5mm-30mm that end, which passes fiery passage length, and entirety passes fire Channel width is 1mm-5mm, depth 1mm-5mm.

Compared with prior art, the present invention its remarkable advantage is:

(1) present invention design it is different containing can ink formulations, in conjunction with 3D rapid shaping technique, to Multi-point point pass fiery structure into Luggage medicine can overcome tradition to pass fiery structure powder charge and accumulate non-uniform defect, and ignition performance is stablized；Technical process has very high Processing flexibility, high degree of automation, ink powder charge it is highly-safe；Can be provided for microminiature firer's device high complexity and High-precision powder charge simplifies powder charge process, improves loading rate.

(2) it is that " flakes " point passes fiery structure that Multi-point point, which passes fiery structure, and medicament is fired with 6 main biography fire for passing fiery channel It burns, after reaching the fiery Path end point of main biography, passes fire channel along total 18 times extended out from 6 main fiery channels of biography and fired Burn and pass fire, the final function of realizing " a little ten eight points of input exports simultaneously "；It can overcome in traditional " igniting primer " structure Existing multiple flash holes pass the unstable defect of fire, and ten eight points export simultaneously, and it is uniform to export energy.

(3) Multi-point point passes fiery structure, passes fiery structure, after being lighted a fire at the input point of center, medicament for " arachnoid " point It burns as 4 head ends pass the biography fire in fiery channel, after delaying to pass fiery channel burning a period of time, passes fire and reach end output Point, the final function of realizing " a little exporting with time delay period for 4 points of input "；It can overcome and occur in traditional " igniting primer " structure Multiple flash holes pass the unstable defect of fire, and 4 points export with time delay period, and it is uniform to export energy.

Detailed description of the invention

Fig. 1 is the schematic device that present invention manufacture Multi-point point passes fiery structure.

Fig. 2 is that the embodiment of the present invention 1 " flakes " point passes fiery structure and trench cross section schematic diagram.

Fig. 3 is groove ink powder charge structural schematic diagram.

Fig. 4 is that the embodiment of the present invention 2 " arachnoid " point passes fiery structure and trench cross section schematic diagram.

Description of symbols:

1- syringe pump, 2- syringe, 3- powder charge substrate, 4- platform, 5- control system, 6- encapsulate ink, 7- ink containing energy.

Specific embodiment

The 3D formation system that manufacture Multi-point point passes fiery structure includes syringe pump 1, and syringe 2 passes fiery sequence powder charge substrate 3, The removable self-heating platform 4 of three-dimensional, computer control system 5.Ink/encapsulation ink containing energy is loaded in syringe 2, in syringe pump Under 1 driving, ink output is carried out by the syringe needle of syringe 2；It passes fiery sequence powder charge substrate 3 and is fixed on three-dimensional removable heated flat On platform 4, and when syringe 2 carries out ink output, is moved, be finally completed more according to the program of computer control system 5 Point point passes the manufacture of fiery sequence.

A kind of method that Multi-point point passes fiery structure and forms the manufacture structure based on 3D, comprising the following steps:

(1) Multi-point point is designed according to firer's device parameter requirements pass fiery structure；

(2) according to firer's device parameter requirements design ink formulations containing energy and encapsulation ink formulations；

(3) fiery structure is passed according to the Multi-point point of step (1) and writes metafile, be transmitted to 3D rapid prototyping system；

(4) fiery structure choice substrate is passed according to the Multi-point point of step (1), cooperates 3D rapid prototyping system, is successively contained Can ink print and encapsulation ink print, after drying or ultraviolet light solidification, achievable expected Multi-point point passes fiery structure Manufacture.

The ink formulations ingredient containing energy that point passes fiery sequence is used in step (2) are as follows: aluminium (Al)/copper oxide (CuO)/nitrocotton (NC)/ethyl alcohol/ether mixtures, Al partial size 50nm-100nm, CuO partial size 40nm-100nm.Binder nitrocotton (NC) is nitrogenous Amount is greater than 13%, and liquid dispersant is to analyze pure (AR) ethyl alcohol and ether；UV-cured resin formula components are as follows: propylene oxide Acid esters (EA), urethane acrylate (PUA), trimethylolpropane trimethacrylate (TMPTA), ethyl alcohol, 2,4,6- trimethyls Benzoyl diphenyl phosphate oxidation (TPO).

Encapsulation ink formulations ingredient is polyvinylidene fluoride (PVDF is analyzed pure (AR)) and N, N- dimethyl in step (2) Formamide (DMF is analyzed pure (AR)).

Substrate in step (4) selects 06Cr19Ni10 steel, there is stronger heat resistance, and cryogenic property is good, nonmagnetic, There is fabulous corrosion resistance.

In step (4), carries out syringe needle when the ink print containing energy and be packaged ink using 27G (No. 4, internal diameter 0.21mm) Syringe needle uses 25G (No. 5, internal diameter 0.25mm) when printing.