CN2786115Y - Molding product of gas-production medicament - Google Patents

Molding product of gas-production medicament Download PDF

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Publication number
CN2786115Y
CN2786115Y CN 200520011288 CN200520011288U CN2786115Y CN 2786115 Y CN2786115 Y CN 2786115Y CN 200520011288 CN200520011288 CN 200520011288 CN 200520011288 U CN200520011288 U CN 200520011288U CN 2786115 Y CN2786115 Y CN 2786115Y
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CN
China
Prior art keywords
gas producing
moulded parts
producing medicinal
gas
utility
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Expired - Lifetime
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CN 200520011288
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Chinese (zh)
Inventor
张根发
张海龙
刘忠
浑明彦
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Hebei Dongfang Ruifeng Automobile Safety Component Co Ltd
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张根发
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Priority to CN 200520011288 priority Critical patent/CN2786115Y/en
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Publication of CN2786115Y publication Critical patent/CN2786115Y/en
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Abstract

The utility model discloses a molding product of a gas-production medicament. A hollow hole is arranged in the utility model, and the surface of the utility model is provided with a plurality of penetrating grooves. The gas-production medicament is provided with a normal direction ignition hole which is vertical to a hallow shaft, ignition is reliable and initial burning surface increases exponentially and forms an increased surface for burning. The utility model can be directly used of the assembly of a gas generator.

Description

A kind of moulded parts of gas producing medicinal
Technical field
The utility model relates to a kind of gas-generating agent composition medicament, relates in particular to the shape of gas producing medicinal.
Background technology
At present, generally for the producer gas generator of automobile with air bag, the gas source of air bag mainly contains three kinds of modes: the mixture of pyrotechnic composition, canned mixed gas, pyrotechnic composition and canned mixed gas.Commonly used is pyrotechnic air bag and hybrid air bag.Wherein the pyrotechnic producer gas generator is that the gas that utilizes the gas producing medicinal burning to produce is full of the protection of airbag realization to the occupant in moment; it is simple with production technique; with low cost, assembling easily, little, the reliable operation of volume, for most of driver side producer gas generator selected.
Producer gas generator has many mechanical parts and firer's components and parts to assemble, the packaging efficiency of these parts must adapt to the demand of automobile industry, so generally be designed to automatization or semi-automatic production, this has just proposed the extra demand that should be suitable for assembling to the shape of gas generating powder, so, aerogenesis tablet and medicine grain claim earlier to be loaded in the medicine box usually, transport on production line and assemble.And the weighing process is strict, invests not little.In addition, the production of medicine box and lid, weighing and assembling have increased some initial costs of can not ignore again.So everybody just expects producing a kind of gas production charge column that is easy to assemble, and is directly used in the assembling of producer gas generator like this, and need not to use medicine box.Because it is little that powder column initially fires face, be difficult for igniting, factors such as processing difficulties, this respect uses and is restricted always.
Certainly the hollow powder column prescription that also has some combustion speed to be exceedingly fast, but because used oxygenants such as potassium perchlorate or ammoniumper chlorate, make aerogenesis component chlorine content overproof, and because jolting for a long time of vehicle makes powder column cracked, thereby when accident occurring and need producer gas generator to carry out works better, job insecurity, even COMBUSTION TO DETONATION TRANSITION (DDT) appears.
Such as, application number is 97110337.2, denomination of invention is the gas generating agent that is used for air bag, it discloses a kind of gas generating agent pressing has in being a continuity to run through the cylindrical of perforate, wherein gas-generating agent composition has little burning linear velocity, in the specific time internal combustion, wherein gas-generating agent composition is at 70kgf/cm by it is molded into ad hoc structure 2Combusting under pressure linear velocity r (mm/sec) ties up to in 0.005≤w/ (2r)≤0.3 expression scope with the pass of the thickness W (mm) of described pressing.
Also have, application number is 98800317.1, and denomination of invention is gas-generating agent composition and moulded parts thereof, after it discloses a kind of gas-generating agent composition and water or organic solvent uniform mixing, the mixture that obtains is made the moulded parts of single hole or porous column by extrusion molding.
Therefore, the researchist is also attempting to seek a kind of new gas producing medicinal shape, be easy to assemble and can be directly used in the assembling of producer gas generator, it can not only be suitable for the fast gas generating agent of high combustion, and can be suitable for the low burning rate gas generating agent, make some low burning rate medicaments need not generate tablet or medicine grain and also can be producer gas generator and use.
The utility model content
The purpose of this utility model is to provide a kind of moulded parts of gas producing medicinal, the moulded parts of this gas producing medicinal has the vertical normal direction fire hole of quill shaft, igniting is reliable, and initially combustion face is doubled and redoubled and is progreesive burning, can be directly used in the assembling of producer gas generator.
To achieve these goals, technical solution of the present utility model is:
A kind of moulded parts of gas producing medicinal has a hollow hole in it, also contain the groove that several run through on its surface.
Wherein, the profile of the moulded parts of described gas producing medicinal can be column, spheroid or spheroid and with the suitable Any shape of producer gas generator shape; Described cylinder can be cylinder, rectangular parallelepiped or cubes.
Described hollow hole is the arbitrary shape that cylindrical, square or rectangle etc. can connect gas producing medicinal.
Described hollow hole is positioned at the middle part of gas producing medicinal.
The described groove arbitrary shape that to be semicircle, rectangle, half elliptic or half fusiform etc. run through mutually with the gas producing medicinal surface.
Described groove and described hollow hole are perpendicular.
Described groove is distributed in the one or both sides of described gas producing medicinal end face.
Described groove is cross, starlike symmetrical distribution or asymmetric distribution at described gas producing medicinal end face.
To pass system of fiery ability system relevant for the size of hollow hole and the point of used priming charge and starting mix in the moulded parts of gas producing medicinal described in the utility model, pass the starting mix that fiery ability is strong, density is big, the dress volume is little, so hollow diameters just can be smaller, otherwise, then big.With method of principal axes to vertical groove size, relevant with the combustionproperty of gas generating powder, easily igniting, and the fast gas generating powder of combustionvelocity, the normal direction groove size just can be smaller.
The pore-forming but the use of the moulded parts two superimposed of described gas producing medicinal, groove overlap forms the vertical normal direction fire hole of quill shaft, also can superpose at random certainly.
The moulded parts of gas producing medicinal described in the utility model is easy to produce, and technology is simple, and its surface has many and the vertical normal direction fire hole of igniting quill shaft.Initial big combustion face can be realized like this, and the combustion efficacy of progreesive burning can be produced.
The moulded parts of gas producing medicinal described in the utility model can adopt compression molding, i.e. compression molding.
The moulded parts of gas producing medicinal described in the utility model is prepared from by three steps, and the first step is a batch mixing; Second step was mold pressing, and the 3rd step was oven dry.
The first step is to mix.Wherein comprise confusing between the same raw materials different-grain diameter, the part mixing of various fuel or oxygenant comprises the preliminary mixing of all raw material and mixes when containing solvent at last.
The confusing of same raw materials different-grain diameter can be looked the relevant mixing equipment of its raw-material sensitivity different choice, such as chemical stabilitys such as Guanidinium nitrate, cupric oxide, ferric oxide preferably material just can select conventional chemical industry mixing equipment; Nitroguanidine, basic copper nitrate etc. have the starting material of certain danger to equip with the mixing of the safety with corresponding explosion proof ratings.If small size production, above-mentioned being mixed in advance can be used manual operations.
Dried being mixed in paper drum or the system amount machine (pyrotechnics special use) carried out, and mixing time is more than general half hour, and the concrete time is relevant with the rotating speed of paper drum, and is also relevant in batches with blended, and the amount of capacity of system amount machine and paper drum has 2 kilograms to 100 kilograms many kinds.
Do to mix uniform starting material, add an amount of solvent after, carry out wet mixing again.The purpose of wet mixing is that solvent can be distributed to uniformly in the middle of the combination, and the parameter that is beneficial to subsequent technique is selected.If the employing shellac varnish is a binding agent, because of being generally sheet, it is difficult for mixing, so after with solvent it being dissolved, again with the starting material wet mixing.
Starting material preliminary drying after wet mixing is intact or when drying to the suitable mold pressing of fugitive constituent is generally 0.8~2%, just can carry out road technology--mold pressing.
Gas producing medicinal of the present utility model does not have strict restriction to starting material, both can adopt the fast gas generating agent prescription of high combustion, can select the prescription of low burning rate gas generating agent for use yet.Such as by several fuel in guanidine class, azole and derivative thereof, the pyrrolotriazine derivatives as gas generating agent, can adopt pentaamino tetrazolium, Dyhard RU 100, nitroguanidine, Guanidinium nitrate, oxamide, industrial easy acquisition such as ammonium oxalate and cheap nitrogen-enriched compounds; Oxygenant then select with the basic metal nitrate be primary oxidant additional be attached oxygenant with metal oxide; The combustionvelocity that adds some necessary burning ratemodifiers or metal fiber wire raising gas generating powder in case of necessity; Binding agent is selected Xylo-Mucine, wilkinite, shellac varnish or food grade guar gum.
The fuel of suitable use is based on Guanidinium nitrate, gas-generating agent composition based on Guanidinium nitrate, the content of Guanidinium nitrate is 20~70%, be preferred plan wherein with 30~45% mass percents, oxygenant of the present utility model is selected ultra-fine basic copper nitrate for use, median size is 1.4 microns, and its content is 30~65%.Secondary oxidizer selective oxidation copper, its content are 30~70 of basic copper nitrate, and wherein about 40% is the most suitable, and binding agent has used 1.5% swelling scholar, also can use shellac varnish, and the igniting modifying agent is about 3% aluminium sesquioxide, and solvent uses dehydrated alcohol.
Second step was mold pressing, and mould pressing process is crucial, and choosing of Mould design and specific pressure parameter all is the key that influences performance quality after the powder column moulding.Grain configuration has determined combustion speed to a great extent, particularly initial combustion speed.Medicine is pressed the mechanical property that then directly has influence on powder column too greatly.
The used pressing mould of the utility model is made up of base, mould tube, plunger, core bar four parts, structure according to the moulded parts shaped design pressing mould of required gas producing medicinal, used pressing equipment is 100T or 60T four post oil presses, the pressing specific pressure is 1200~2500, and suitable specific pressure is 1800~2200.
Details are as follows for the process of mold pressing:
Base and core bar are assembled together, lie against again on the chargeholder, cover patrix tube.
The starting material that contain certain fugitive constituent will be mixed, weigh up the starting material of certain mass after calculating according to the explosive load of producer design, assemble in the mould tube of base and core bar above these starting material are poured into, shake gently, starting material are spread out in the mould tube, after inserting plunger, use the hand precompressed.
Whole pressing mould is placed four post oil presses, suppress, pressurize 3~8 seconds with the pressure of specific pressure 1200~2500.Must operate in explosion-proof worker-house during compacting, the placement of mould is finished with guide rail, after mould places, shuts explosive door.
After pressing process finishes, take out mould by guide rail, dismantle earlier base and core bar are released the powder column that presses with plunger again from the mould tube bottom.So far, mould pressing process is all finished.
The 3rd step: oven dry
With the powder column that presses, individual layer is placed on the charging tray and dries, and 70~85 ℃ of bake out temperatures are in the control fugitive constituent to 0.3%.
The moulded parts of the utility model gas producing medicinal can use separately, also can several use that overlap, and interstitial hole is in order to place starting mix or low some starting mix and the ignition element assembly etc. sent out.To be stacked together when using, to pass fiery effect in order obtaining to put preferably, can staggering to groove of two tablet methods needn't align.The effect of better lighting a fire can be obtained like this, also initial combustion face can be increased.
The moulded parts of the utility model gas producing medicinal is by adjusting the shape of gas generating powder, for the igniting of the big powder column of gas generating powder provides reliable assurance, makes the igniting of the big powder column of gas generating powder reliable; Simultaneously, described gas producing medicinal is easy to produce, and technology is simple, and its surface has many and the vertical normal direction fire hole of igniting quill shaft, can realize initial big combustion face like this, and can produce the combustion efficacy of progreesive burning; And the moulded parts of the utility model gas producing medicinal is easy to assemble and can be directly used in the assembling of producer gas generator, it can not only be suitable for the fast gas generating agent of high combustion, and can be suitable for the low burning rate gas generating agent, make some low burning rate medicaments need not generate tablet or medicine grain and also can be producer gas generator and use.
Description of drawings
Fig. 1 is the three-dimensional structure diagram of the moulded parts of gas producing medicinal described in the utility model
Fig. 2 is the moulded parts two superimposed structure iron of gas producing medicinal described in the utility model
Wherein
1 gas producing medicinal, 2 hollow holes
3 grooves
Embodiment
Cooperate appended graphic explanation in detail by specific embodiment below, so that the effect that is easier to understand the purpose of this utility model, technology contents, characteristics and is reached.
Shown in Fig. 1-2, the utility model proposes a kind of moulded parts 1 of gas producing medicinal, be a hollow cylindrical, a hollow round hole 2 is arranged in the middle, in its both side surface, 4 grooves that run through 3, star-shaped distribution are also arranged respectively with the vertical normal direction of quill shaft.
Certainly, the profile of the moulded parts of gas producing medicinal described in the utility model also can be spheroid, spheroid, rectangular parallelepiped, cubes and with the suitable Any shape of producer gas generator shape.
Described hollow hole also can be the arbitrary shape that square or rectangle etc. can connect gas producing medicinal.
The arbitrary shape that can be described groove rectangle, half elliptic or half fusiform etc. and the molded article surface of gas producing medicinal run through mutually, groove can be distributed on a side also can be in both sides, the quantity of groove can be a plurality of, can be cross, starlike symmetrical distribution or asymmetric distribution, exceed so that mould is easily manufactured.
The moulded parts of the described gas producing medicinal of present embodiment adopts compression molding, is prepared from by three steps, and the first step is a batch mixing; Second step was mold pressing, and the 3rd step was oven dry.Its preparation process is as follows:
1. mix:
With 45% Guanidinium nitrate, 38% ultra-fine basic copper nitrate, 17% cupric oxide adds aluminium sesquioxide about 0.8% shellac varnish and 1% and does at system amount machine and mix, mixing time 40 minutes, evenly after, add 5% anhydrous ethanol solvent, carry out wet mixing again.When the starting material after the wet mixing dry to the suitable mold pressing of fugitive constituent 1%, can carry out road technology---mold pressing.
2. mold pressing:
The used pressing mould of the utility model comprises base, mould tube, plunger, core bar four parts, structure according to the moulded parts shaped design pressing mould of embodiment gas producing medicinal, one end face of base, plunger has the tongue of starlike distribution, and used pressing equipment is 100T four post oil presses.
Earlier base and core bar are assembled together, lie against again on the chargeholder, cover patrix tube.
With the starting material that mix, weigh up the starting material of certain mass after calculating according to the explosive load of producer design, above being poured into, these starting material assemble in the mould tube of base and core bar, shake gently, starting material are spread out in the mould tube, insert plunger after, use the hand precompressed.
Whole pressing mould is placed four post oil presses, suppress, pressurize 5 seconds with the pressure of specific pressure 1800.Must operate in explosion-proof worker-house during compacting, the placement of mould is finished with guide rail, after mould places, shuts explosive door.
After pressing process finishes, take out mould by guide rail, dismantle earlier base and core bar are released the powder column that presses with plunger again from the mould tube bottom.So far, mould pressing process is all finished.
3. oven dry:
With the powder column that presses, individual layer is placed on the charging tray and dries, and 75 ℃ of bake out temperatures are in the control fugitive constituent to 0.3%.
Gas producing medicinal moulded parts of the present utility model, carried out performance comparison with the hollow powder column of axially parallel, test-results is as follows:
Performance The utility model gas producing medicinal moulded parts Common hollow powder column
Size mm Φ 52 * 13 (mesopore Φ 17) Φ 52 * 13 (mesopore Φ 17), 8 Φ parallel 6 holes with axis
Apparent density (drainage survey) g/cm 3 2.03 1.98
Loose density g/cm 3 1.23 1.1
Monolithic weight g 17.5 16
23 ℃ of static developing time T2 of air bag 33 470
-40 ℃ of static developing time T2 of air bag 40 660
85 ℃ of static developing time T2 of air bag 25 350
23 ℃ of airbags T3 that holds time 40 Airbag is not normally opened
-40 ℃ of airbags T3 that holds time 42 Airbag is not normally opened
85 ℃ of airbags T3 that holds time 32 Airbag is not normally opened
The peak pressure MPa of TANK test 12.8 10.1
Pressure index 0.20 0.20
Temperature factor v100 ℃/v0 ℃ 1.1 1.2
Compressive property MPa 6 6
Gas producing medicinal moulded parts of the present utility model is with comparing as seen with the performance of the hollow powder column of axially parallel, gas producing medicinal moulded parts performance of the present utility model is better than existing hollow powder column, igniting is reliable, its surface has many and the vertical normal direction ignition slot of igniting quill shaft realizes initial big combustion face, can produce the combustion efficacy of progreesive burning.
The above is preferred embodiment of the present utility model only, is not to be used for limiting the scope that the utility model is implemented.So all doing according to the described shape of the utility model application range, structure, feature and spirit all is equivalent variations or modification, all should be included within the claim of the present utility model.

Claims (9)

1. the moulded parts of a gas producing medicinal has a hollow hole in it, it is characterized in that: also contain the groove that several run through on its end face.
2. according to the moulded parts of the described gas producing medicinal of claim 1, it is characterized in that: the profile of described gas producing medicinal moulded parts be column, spheroid or spheroid and with the suitable Any shape of producer gas generator shape.
3. according to the moulded parts of the described gas producing medicinal of claim 2, it is characterized in that: described cylinder is cylinder, rectangular parallelepiped or cubes.
4. according to the moulded parts of the described gas producing medicinal of claim 1, it is characterized in that: described hollow hole is positioned at the middle part of gas producing medicinal.
5. according to the moulded parts of claim 1 or 4 described gas producing medicinals, it is characterized in that: described hollow hole is cylindrical, square or rectangle and can connect the arbitrary shape of gas producing medicinal.
6. according to the moulded parts of the described gas producing medicinal of claim 1, it is characterized in that: described groove is semicircle, rectangle or half elliptic and the arbitrary shape that runs through mutually with the gas producing medicinal surface.
7. according to the moulded parts of claim 1 or 6 described gas producing medicinals, it is characterized in that: described groove and described hollow hole are perpendicular.
8. according to the moulded parts of the described gas producing medicinal of claim 1, it is characterized in that: described groove is distributed in the one or both sides of described gas producing medicinal end face.
9. according to the moulded parts of claim 1 or 8 described gas producing medicinals, it is characterized in that: described groove is cross, starlike symmetrical distribution or asymmetric distribution at described gas producing medicinal end face.
CN 200520011288 2005-03-31 2005-03-31 Molding product of gas-production medicament Expired - Lifetime CN2786115Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520011288 CN2786115Y (en) 2005-03-31 2005-03-31 Molding product of gas-production medicament

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520011288 CN2786115Y (en) 2005-03-31 2005-03-31 Molding product of gas-production medicament

Publications (1)

Publication Number Publication Date
CN2786115Y true CN2786115Y (en) 2006-06-07

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Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109809953A (en) * 2018-12-29 2019-05-28 湖北航鹏化学动力科技有限责任公司 A kind of band pass gas generating agent molded article and its preparation process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109809953A (en) * 2018-12-29 2019-05-28 湖北航鹏化学动力科技有限责任公司 A kind of band pass gas generating agent molded article and its preparation process

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: ORIENTAL YONGJIU SAFE AIRBAG LTD.

Free format text: FORMER OWNER: ZHANG GENFA

Effective date: 20070824

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20070824

Address after: Xinle City, Hebei Province, 050700 South Road No. 8

Patentee after: East Joy Long Motor Airbag Co., Ltd.

Address before: 201201 Shanghai Pudong New Area Heqing Industrial Park Kyung Road No. 219

Patentee before: Zhang Genfa

ASS Succession or assignment of patent right

Owner name: HEBEI EAST JOY LONG RUIFENG AUTOMOTIVE SECURITY PA

Free format text: FORMER OWNER: EAST JOY LONG MOTOR AIRBAG CO., LTD.

Effective date: 20150304

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 050700 SHIJIAZHUANG, HEBEI PROVINCE TO: 050100 SHIJIAZHUANG, HEBEI PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20150304

Address after: 050100 small town of Jingxing County, Hebei City, Shijiazhuang Province

Patentee after: Hebei Dongfang Ruifeng automobile safety component Co., Ltd.

Address before: Xinle City, Hebei Province, 050700 South Road No. 8

Patentee before: East Joy Long Motor Airbag Co., Ltd.

C17 Cessation of patent right
CX01 Expiry of patent term

Expiration termination date: 20150331

Granted publication date: 20060607