CN106595386B - A kind of preparation method and its firearm suppressor of firearm suppressor - Google Patents
A kind of preparation method and its firearm suppressor of firearm suppressor Download PDFInfo
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- CN106595386B CN106595386B CN201611198270.3A CN201611198270A CN106595386B CN 106595386 B CN106595386 B CN 106595386B CN 201611198270 A CN201611198270 A CN 201611198270A CN 106595386 B CN106595386 B CN 106595386B
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- porous
- layer
- firearm suppressor
- preparation
- multilayer network
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
- F41A21/30—Silencers
Abstract
The present invention relates to a kind of preparation method of firearm suppressor, step S1：Multi-layer porous matrix net is made in the sintering of Multilayer Network porous material；Step S2：Porous ceramic film material is added to the surface of multi-layer porous matrix net, forms multi-layer porous acoustic damping mesh；Step S3：It is Multilayer Network porous material, the circular tube shaped that outer layer is porous ceramic film material that the multi-layer porous acoustic damping mesh winding welding, which is formed internal layer,.The present invention porous muffler made of Multilayer Network porous material and porous ceramic film material, so that the porous muffler forms a large amount of inside and outside small holes being connected to, when in sound wave incident to porous muffler, it will cause the vibration of air in hole, due to the viscous resistance of air, the friction of air and hole wall and conduction of heat, acoustic energy is set to be converted into thermal energy and lose, so that sound wave is rapidly decayed in porous muffler, good sound deadening is played, and manufacture craft is simple, greatly reduces cost of manufacture.The present invention also provides a kind of firearm suppressor simultaneously.
Description
Technical field
The present invention relates to firearm suppressor technical fields, more particularly to the preparation method and its rifle of a kind of firearm suppressor
Tool muffler.
Background technology
Silencer is to allow air-flow to pass through, but can prevent or reduce a kind of device of sound transmission, is to eliminate air to move
The important measures of power noise are widely used in the industries such as oil, chemical industry, metallurgy, weaving, firearms.
Expansion chamber and multiple noise-damping bowls, after group ejects bore, great Liang Huo are typically provided in existing firearm suppressor
Medicine combustion gas can together be sprayed with bullet, at this point, in the place setting expansion chamber closest to muzzle so that within the extremely short time
Reduce the pressure of thorax mouth combustion gas, then by multiple noise-damping bowls, these powder gas are shunted and collected, these gunpowder is allowed to fire
Gas not will produce shock wave, to have the function that noise reduction.
But existing firearm suppressor high processing costs and complex process；By noise-damping bowl carry out noise reduction when, need by
Multiple noise-damping bowls are arranged in same shaft core, and existing technology is difficult that multiple noise-damping bowl is arranged in same shaft core, so
It brings muffler precision to be deteriorated, leverages erasure effect.
Invention content
Based on this, the object of the present invention is to provide a kind of preparation method of firearm suppressor, tool noise reduction technique letters
The effect single, erasure effect is good, at low cost.
A kind of preparation method of firearm suppressor, includes the following steps：
Step S1：Multi-layer porous matrix net is made in the sintering of Multilayer Network porous material；
Step S2：Porous ceramic film material is added to the surface of multi-layer porous matrix net, forms multi-layer porous acoustic damping mesh；
Step S3：Multi-layer porous acoustic damping mesh winding welding forms to internal layer is Multilayer Network porous material, outer layer is porous
The circular tube shaped of ceramic material.
Compared with the prior art, the present invention porous noise reduction made of Multilayer Network porous material and porous ceramic film material
Device so that the porous muffler forms a large amount of inside and outside small holes being connected to, when in sound wave incident to porous muffler, it will
The vibration for causing air in hole, due to the viscous resistance of air, the friction of air and hole wall and conduction of heat make acoustic energy turn
It turns to thermal energy and loses, so that sound wave is rapidly decayed in porous muffler, play good sound deadening.
Further, in step sl, the Multilayer Network porous material is wire, metallic fiber nonwoven, inorganic ceramic
It is one or more in fibrofelt, organic chemical synthesis fibrofelt, natural fiber material non-woven mat；And the porous material of Multilayer Network
The voidage of material is 30%~90%.
Further, in step sl, it is 1000~1400 DEG C that the sintering temperature, which is sintering temperature, in vacuum or hydrogen
It is sintered under gas shielded atmosphere.
Further, in step s 2, the porous ceramic film material be alumina ceramic powder, zirconia ceramics powder,
One or more of titanium oxide ceramics powder, silicon carbide ceramics powder.
Further, the thickness of the porous ceramic layer is 50-100um.Excessively thin porous ceramic film material is prevented to be scratched
It removes, blocked up porous ceramic film material generates heat and expands after absorbing sound wave.
Further, in step s 2, the porous ceramic film material is added to multi-layer porous matrix by way of spraying
The surface of net.
Further, in step s 2, specific step porous ceramic film material being added on multi-layer porous matrix net surface
Suddenly it is：Multi-layer porous matrix net is placed into magnetron sputtering apparatus, using metallic aluminium or metal zirconium or Titanium as target,
Oxygen is filled in vacuum magnetic-control sputtering equipment to be sputtered, to obtain porous aluminium oxide either zirconium oxide or titanium oxide,
And either zirconium oxide or titanium oxide are added to the surface of multi-layer porous matrix net by porous aluminium oxide；
Alternatively, multi-layer porous matrix net is placed into magnetron sputtering apparatus, using silicon carbide as target, by porous silicon carbide
It is added to the surface of multi-layer porous matrix net.
The present invention also provides a kind of firearm suppressor, including muffler body simultaneously, and the muffler body is circular tube shaped
Structure, both ends are equipped with the thread for being installed with firearms；The internal layer of the muffler body is Multilayer Network porous layer, and outer layer is
Porous ceramic layer, and form multiple inside and outside small holes being connected to.
Compared with the prior art, the present invention porous noise reduction made of Multilayer Network porous material and porous ceramic film material
Device so that the porous muffler forms a large amount of inside and outside small holes being connected to, when in sound wave incident to porous muffler, it will
The vibration for causing air in hole, due to the viscous resistance of air, the friction of air and hole wall and conduction of heat, acoustic energy are inhaled
Thermal energy is received and be converted into, so that sound wave is rapidly decayed in porous muffler, plays good sound deadening, and make
It is simple for process, greatly reduce cost of manufacture.
In order to better understand and implement, the invention will now be described in detail with reference to the accompanying drawings.
Description of the drawings
Fig. 1 is the flow chart of firearm suppressor preparation method embodiment of the present invention；
Fig. 2 is the structural schematic diagram of firearm suppressor embodiment of the present invention；
Fig. 3 is the sectional view of firearm suppressor embodiment of the present invention；
Fig. 4 is the enlarged drawing of A shown in Fig. 2.
Specific implementation mode
Referring to Fig. 1, it is the flow chart of firearm suppressor preparation method embodiment of the present invention.A kind of firearm suppressor
Preparation method includes the following steps：
Step S1：Multi-layer porous matrix net is made in the sintering of Multilayer Network porous material.
In the present invention, Multilayer Network porous material includes but not limited to wire, metallic fiber nonwoven, inorganic ceramic fiber
One or more of felt, organic chemical synthesis fibrofelt, natural fiber material non-woven mat.
In the present embodiment, uses porosity for 30%~90% wire, cleaned using acetone solvent, is being sintered
Sintering forms five layers of matrix net under the vacuum that temperature is 1000~1400 DEG C., can also be as needed in the present invention, by wire
Sinter the substrates multilayers net such as six layers of matrix net into.
Step S2：Porous ceramic film material is added to the surface of multi-layer porous matrix net, forms multi-layer porous acoustic damping mesh.
In the present invention, the porous ceramic film material includes but not limited to alumina ceramic powder, zirconia ceramics powder, oxygen
Change one or more of titanium ceramic powders, silicon carbide ceramics powder.
In the present embodiment, for aluminium oxide to be added to the surface of multi-layer porous matrix net, specific method is：It will be more
Layer porous matrix net be placed into magnetron sputtering apparatus, using metallic aluminium as target, be filled in vacuum magnetic-control sputtering equipment oxygen into
Porous aluminium oxide to obtain porous aluminium oxide, and is added to the surface of multi-layer porous matrix net by row sputtering.
In the present invention, person's metal zirconium and Titanium can be added to the table of multi-layer porous matrix net according to same mode
Face.For silicon carbide, then it need not be passed through oxygen, sputtering is carried out in vacuum magnetic-control sputtering equipment and can be realized porous carbonization
Silicon is added to the surface of multi-layer porous matrix net.
In the present embodiment, the thickness of the porous ceramic film material is 50-100um, prevents excessively thin porous ceramic film material quilt
It scrapes and removes, blocked up porous ceramic film material generates heat and expands after absorbing sound wave.
Step S3：Multi-layer porous acoustic damping mesh winding welding forms to internal layer is Multilayer Network porous material, outer layer is porous
The circular tube shaped of ceramic material.
In the present embodiment, the internal diameter of the circular tube shaped muffler is 8mm, 5 millimeters of wall thickness, length 500mm.
As advanced optimizing, can on muffler additional processing gas flow guiding hole, reduce muffler to fire accuracy
It influences, and processing installation interface can coordinate different firearms on muffler.
Please refer to Fig. 2 to Fig. 4, Fig. 2 is the structural schematic diagram of firearm suppressor embodiment of the present invention；Fig. 3 is this hair
The sectional view of bright firearm suppressor embodiment；Fig. 4 is the enlarged drawing of A shown in Fig. 2.
The present invention also provides a kind of firearm suppressor prepared according to the preparation method of above-mentioned firearm suppressor simultaneously.The rifle
Tool muffler includes muffler body 1, and the muffler body 1 is round tube shape structure, and both ends are equipped with for being installed with firearms
Thread 11.The internal layer of the muffler body is Multilayer Network porous layer 12, and outer layer is porous ceramic layer 13, and is formed in multiple
The small holes of outer connection.
Specifically, the Multilayer Network porous layer 12 is Multilayer Network porous metals, can also be Multilayer Network porous metal fiber
Nonwoven or inorganic ceramic fibrofelt or organic chemical synthesis fibrofelt or natural fiber material non-woven mat.
The porous ceramic layer 13 is added to the internal layer of muffler body by alumina ceramic powder by way of spraying
On, can also be zirconia ceramics powder or titanium oxide ceramics powder or silicon carbide ceramics powder by way of spraying
It is added on the internal layer of muffler body.Alternatively, the porous ceramic layer 13 passes through magnetron sputtering by alumina ceramic powder
Mode is added on the internal layer of muffler body, can also be zirconia ceramics powder or titanium oxide ceramics powder or carbon
SiClx ceramic powders are added to by way of magnetron sputtering on the internal layer of muffler body.
The internal diameter of the muffler body 1 is 8mm, 5 millimeters, length 500mm of wall thickness, wherein the porous ceramic layer 13
Thickness is 50-100um.
As advanced optimizing, muffler is reduced to fire accuracy in the additional processing gas flow guiding hole 14 on muffler
It influences.
Compared with the prior art, the present invention porous noise reduction made of Multilayer Network porous material and porous ceramic film material
Device so that the porous muffler forms a large amount of inside and outside small holes being connected to, when in sound wave incident to porous muffler, it will
The vibration for causing air in hole, due to the viscous resistance of air, the friction of air and hole wall and conduction of heat, acoustic energy are inhaled
Thermal energy is received and be converted into, so that sound wave is rapidly decayed in porous muffler, plays good sound deadening, and make
It is simple for process, greatly reduce cost of manufacture.
Further, the presence of the gap of Multilayer Network porous layer prosperity made of metal and surface metal oxidization film,
So that the hydrophily of Multilayer Network porous layer surface exhibits, when dripping to Multilayer Network porous layer in wet weather dew or rainwater, by
Water can penetrate into the gap of Multilayer Network porous layer under the action of hydrophily and capillary surface tension, to allow porosity to become
Small or even disappearance, and erasure effect is influenced, the application passes through after the porous layer surface of Multilayer Network further increases porous ceramic layer
Porous ceramic layer plays the role of an isolation between Multilayer Network porous layer and steam, and porous ceramic layer can conduct
One hydrophobic structure can keep the good performance muffler of muffler, further ensure the reliable and stable of erasure effect.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.
Claims (10)
1. a kind of preparation method of firearm suppressor, it is characterised in that：Include the following steps：
Step S1：Multi-layer porous matrix net is made in the sintering of Multilayer Network porous material；
Step S2：Porous ceramic film material is added to the surface of multi-layer porous matrix net, forms multi-layer porous acoustic damping mesh；
Step S3：Multi-layer porous acoustic damping mesh winding welding forms to internal layer is Multilayer Network porous material, outer layer is porous ceramics
The circular tube shaped of material.
2. the preparation method of firearm suppressor according to claim 1, it is characterised in that：In step sl, the multilayer
Net porous material is wire, metallic fiber nonwoven, inorganic ceramic fibrofelt, organic chemical synthesis fibrofelt, natural fiber material
Expect one or more in non-woven mat；And the voidage of the Multilayer Network porous material is 30%~90%.
3. the preparation method of firearm suppressor according to claim 1, it is characterised in that：In step sl, the sintering
Temperature is 1000~1400 DEG C, is sintered under vacuum or hydrogen shield atmosphere.
4. the preparation method of firearm suppressor according to claim 1, it is characterised in that：In step s 2, described porous
Ceramic material is one kind in alumina ceramic powder, zirconia ceramics powder, titanium oxide ceramics powder, silicon carbide ceramics powder
Or it is a variety of.
5. the preparation method of firearm suppressor according to claim 1, it is characterised in that：The thickness of the porous ceramic layer
For 50-100um.
6. the preparation method of the firearm suppressor according to any claim in claim 1-5, it is characterised in that：In step
In rapid S2, the porous ceramic film material is added to the surface of multi-layer porous matrix net by way of spraying.
7. the preparation method of the firearm suppressor according to any claim in claim 1-5, it is characterised in that：In step
In rapid S2, by porous ceramic film material be added on multi-layer porous matrix net surface the specific steps are：By multi-layer porous matrix net
It is placed into magnetron sputtering apparatus, using metallic aluminium or metal zirconium or Titanium as target, in vacuum magnetic-control sputtering equipment
Oxygen is filled with to be sputtered, with obtain porous aluminium oxide either zirconium oxide either titanium oxide and by porous aluminium oxide or
Zirconium oxide or titanium oxide are added to the surface of multi-layer porous matrix net；
Alternatively, multi-layer porous matrix net is placed into magnetron sputtering apparatus, using silicon carbide as target, porous silicon carbide is added
To the surface of multi-layer porous matrix net.
8. a kind of firearm suppressor, including muffler body, it is characterised in that：The muffler body is by claim 1-5
Preparation method described in any claim is made, and the muffler body is round tube shape structure, and both ends are equipped with and are used for and rifle
The thread of tool installation；The internal layer of the muffler body is Multilayer Network porous layer, and outer layer is porous ceramic layer, and is formed in multiple
The small holes of outer connection.
9. firearm suppressor according to claim 8, it is characterised in that：The firearm suppressor main body is additionally provided with gas and leads
Discharge orifice.
10. firearm suppressor according to claim 8, it is characterised in that：The Multilayer Network porous layer includes that Multilayer Network is more
Mesoporous metal or Multilayer Network porous metal fiber nonwoven or inorganic ceramic fibrofelt or organic chemical synthesis fibrofelt,
Or natural fiber material non-woven mat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611198270.3A CN106595386B (en) | 2016-12-22 | 2016-12-22 | A kind of preparation method and its firearm suppressor of firearm suppressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611198270.3A CN106595386B (en) | 2016-12-22 | 2016-12-22 | A kind of preparation method and its firearm suppressor of firearm suppressor |
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| Publication Number | Publication Date |
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| CN106595386A CN106595386A (en) | 2017-04-26 |
| CN106595386B true CN106595386B (en) | 2018-08-21 |
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| CN201611198270.3A Active CN106595386B (en) | 2016-12-22 | 2016-12-22 | A kind of preparation method and its firearm suppressor of firearm suppressor |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101740022A (en) * | 2009-12-18 | 2010-06-16 | 西北有色金属研究院 | Metallic fiber gradient hole sound absorbing material and method for preparing same |
| CN102836642A (en) * | 2011-06-22 | 2012-12-26 | 南京髙谦功能材料科技有限公司 | Preparation method of porous ceramic-metal composite film material |
| CN203940781U (en) * | 2014-07-16 | 2014-11-12 | 上海工字机械制造有限公司 | A kind of air gun with silencing function |
| CN206291781U (en) * | 2016-12-22 | 2017-06-30 | 韶关市贝瑞过滤科技有限公司 | A kind of firearm suppressor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016099856A1 (en) * | 2014-12-16 | 2016-06-23 | Emporeum Plastics Llc | Porous matrix sound suppressor |
-
2016
- 2016-12-22 CN CN201611198270.3A patent/CN106595386B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101740022A (en) * | 2009-12-18 | 2010-06-16 | 西北有色金属研究院 | Metallic fiber gradient hole sound absorbing material and method for preparing same |
| CN102836642A (en) * | 2011-06-22 | 2012-12-26 | 南京髙谦功能材料科技有限公司 | Preparation method of porous ceramic-metal composite film material |
| CN203940781U (en) * | 2014-07-16 | 2014-11-12 | 上海工字机械制造有限公司 | A kind of air gun with silencing function |
| CN206291781U (en) * | 2016-12-22 | 2017-06-30 | 韶关市贝瑞过滤科技有限公司 | A kind of firearm suppressor |
Non-Patent Citations (1)
| Title |
|---|
| 吸声材料研究的进展;周曦亚等;《中国陶瓷》;20041030;第40卷(第5期);第26-29页 * |
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| CN106595386A (en) | 2017-04-26 |
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