CN109630862A - Double-seal head high pressure gas cylinder liner and its manufacturing method - Google Patents
Double-seal head high pressure gas cylinder liner and its manufacturing method Download PDFInfo
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- CN109630862A CN109630862A CN201811600541.2A CN201811600541A CN109630862A CN 109630862 A CN109630862 A CN 109630862A CN 201811600541 A CN201811600541 A CN 201811600541A CN 109630862 A CN109630862 A CN 109630862A
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- high pressure
- end socket
- gas cylinder
- pressure gas
- bottleneck
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- 238000009987 spinning Methods 0.000 claims abstract description 157
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 111
- 238000000034 method Methods 0.000 claims abstract description 36
- 230000008569 process Effects 0.000 claims abstract description 31
- 239000007789 gas Substances 0.000 claims description 140
- 238000004140 cleaning Methods 0.000 claims description 51
- 238000012545 processing Methods 0.000 claims description 42
- 238000000227 grinding Methods 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 28
- 238000010791 quenching Methods 0.000 claims description 20
- 230000000171 quenching effect Effects 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 18
- 230000032683 aging Effects 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000007547 defect Effects 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 230000007812 deficiency Effects 0.000 claims description 10
- 238000003754 machining Methods 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 8
- 230000003746 surface roughness Effects 0.000 claims description 6
- 238000007514 turning Methods 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 238000012790 confirmation Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 5
- 239000001294 propane Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 238000002604 ultrasonography Methods 0.000 claims description 5
- 208000037656 Respiratory Sounds Diseases 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000012634 fragment Substances 0.000 claims description 3
- 210000000232 gallbladder Anatomy 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 2
- 239000003344 environmental pollutant Substances 0.000 claims 1
- 231100000719 pollutant Toxicity 0.000 claims 1
- 239000002352 surface water Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 10
- 239000002994 raw material Substances 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003672 processing method Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 10
- 239000004411 aluminium Substances 0.000 description 10
- 229920000049 Carbon (fiber) Polymers 0.000 description 8
- 239000004917 carbon fiber Substances 0.000 description 8
- 239000004744 fabric Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000007689 inspection Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000005070 sampling Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 239000012736 aqueous medium Substances 0.000 description 3
- LFYJSSARVMHQJB-QIXNEVBVSA-N bakuchiol Chemical compound CC(C)=CCC[C@@](C)(C=C)\C=C\C1=CC=C(O)C=C1 LFYJSSARVMHQJB-QIXNEVBVSA-N 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000009991 scouring Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/21—Shaping processes
- F17C2209/2181—Metal working processes, e.g. deep drawing, stamping or cutting
Abstract
The present invention provides a kind of double-seal head high pressure gas cylinder liner and its manufacturing method, double-seal head high pressure gas cylinder liner is the aluminium alloy inner container of the integrated seamless structure of both ends closing in formed head and bottleneck, including direct tube section, with the A end socket and B end socket for being located at direct tube section both ends, A bottleneck and B bottleneck are located on A end socket and B end socket；The length of double-seal head high pressure gas cylinder liner is less than 5m, and the nominal outside diameter of direct tube section is Φ 406- Φ 850mm, and the rated pressure of high pressure gas cylinder is 20-30Mpa.The processing method that the present invention totally uses spinning, product integrated welding seam-free, preparation process is simple, easy to operate, and low energy consumption, and pollution is small, has saved the cost of raw material.The high pressure gas cylinder liner that the manufacturing method of the present invention processes has the characteristics that high reliablity, wall be thin, light weight；Its interior material structure even compact, integral strength excellent effect have high pressure resistant property, have great importance to the manufacture of high pressure gas cylinder.
Description
Technical field
The invention belongs to high-pressure bottle technical fields, and in particular to a kind of double-seal head high pressure gas cylinder liner and its manufacturer
Method.
Background technique
High pressure gas cylinder is widely used for the national economy such as industrial and mineral production, building, traffic, ocean, aviation, medical treatment, military affairs
Various industries.Capacity, bottle wall thickness and the manufacture craft and material of high pressure gas cylinder can all influence the performance of high pressure gas cylinder.Such as day
Right gas and hydrogen are given priority to and widely used clean energy resource in a kind of world wide.20-30MP high pressure gas is used at present
Bottle storage and transportation and use compressed natural gas (CNG), compression hydrogen and other compression industrial gasses are the mobile masters used of these gases
Want mode.
Currently, aluminum alloy inner container carbon fiber winds high pressure gas cylinder with many merits entirely, gradually replace traditional steel gas
Bottle, becomes the main product of world today's high pressure gas cylinder.Its advantage is as follows:
(1) substantially loss of weight；Using the gas cylinder of aluminium alloy inner container composite winding, material thickness is only steel cylinder under equal performance
50%-70%, and density is lower, thus its weight is only the 35%-40% of traditional steel cylinder.
(2) fail-safety is good；Aluminum alloy inner container carbon fiber full wrapped cylinders are compound using aluminium alloy inner container and carbon fiber
Material reinforcement, it is every square centimeter on fiber it is up to ten thousand up to thousands of, when gas cylinder overloads and a small amount of fibrous fracture occurs, carry
Lotus can distribute rapidly on unbroken fiber, this can make gas cylinder that will not lose carrying within short-term or even significant period of time
Ability greatly improves safety.
(3) damping property is good；Fiber In Composite Material and resin matrix interface have damping capaicty, and shock damping is good, acoustic resistive
It is also very high to shake fatigue behaviour.
(4) compared with the complicated procedures of forming that seamless steel gas cylinder needs, pressure stochastic distribution is more flexible, is easy transformation, work
Sequence is more simplified, also automation easy to accomplish, and energy consumption is well below the production process of steel gas cylinder.
For example, the aluminum alloy inner container carbon fiber full wrapped cylinders of outer diameter Φ 406- Φ 850mm, length no more than 5m are mainly used
Make the movement such as large-scale natural gas automobile CNG fuel gas cylinder, modularization CNG gas cylinders group storage and transportation gas cylinder and uses big capacity high pressure gas
Bottle.
But limited by material production and technical capability, China also fails to production diameter greater than Φ 406mm's at present
Aluminum alloy inner container carbon fiber full wrapped cylinders, key problem are exactly that aluminium alloy inner container can not manufacture, and are relied primarily in import.
In the above context, it is fired to further grasp large-scale compression natural gas, hydrogen and mixing with autonomous property right
The key technology and product of the storage and transportation apparatus such as gas, urgent need exploitation have that diameter is big, length is long, light weight, highly reliable etc.
The double-seal head high pressure gas cylinder liner product of characteristic.
Summary of the invention
It is an object of the invention to propose a kind of high pressure gas cylinder aluminium alloy inner container and its manufacturing method.At least to solve at present
The problem of high pressure gas cylinder volume is small, and quality is overweight, poor reliability.
To achieve the goals above, the invention provides the following technical scheme:
A kind of double-seal head high pressure gas cylinder liner, double-seal head high pressure gas cylinder liner are pressed as the liner of winding gas cylinder for storing
Contracting gas, the double-seal head high pressure gas cylinder liner are the aluminium alloy of the integrated seamless structure of both ends closing in formed head and bottleneck
Liner, including A bottleneck, A end socket, direct tube section, B end socket and B bottleneck, the A end socket and B end socket are located at the direct tube section
Both ends, the A bottleneck and B bottleneck are located on the A end socket and B end socket；The length of the double-seal head high pressure gas cylinder liner
Less than 5m, the nominal outside diameter of the direct tube section is Ф 406- Ф 850mm, and the rated pressure of the high pressure gas cylinder is 20-30Mpa.
Double-seal head high pressure gas cylinder liner as described above, it is preferable that the wall thickness of the direct tube section is 1-10mm, the direct tube section
Whole straightness be not more than 0.5mm/m；
Preferably, the tolerance of the wall thickness of the direct tube section is less than or equal to ± 0.15mm；
More preferably, the direct tube section arbitrary line fragment position part straightness is not more than 0.5mm/300mm；
More preferably, the circularity of the direct tube section any position is not more than 0.5mm；
More preferably, the inside surface roughness of the direct tube section is less than Ra1.6 μm, the outer surface roughness of the direct tube section
Less than Ra3.2 μm.
Double-seal head high pressure gas cylinder liner as described above, it is preferable that the structure type of the end socket is spheroid shape end socket, dish-like
End socket or dome-type end socket, the structure type of the A end socket is identical as the structure type of the B end socket, the thickness of the end socket
It is thickened from edge to the uniform gradual change in bottleneck position；
Preferably, the thickness of the end socket is thickened from the 5-8mm at edge to the uniform gradual change of the 10-15mm at bottleneck position；
More preferably, the length of the bottleneck is 40mm, the outer diameter of the bottleneck is 50mm, and the internal diameter of the bottleneck is
28mm。
The manufacturing method of described in any item double-seal head high pressure gas cylinder liners as above, it is preferable that the manufacturing method includes such as
Lower step:
S1, aluminium alloy inner container spinning control is standby, is carried out using direct tube section of the numerical control strong outward turning press to seamless tube blank more
The processing of passage strength outward turning pressing formation, obtains aluminium alloy inner container spinning pipe；
The rotary press modelling of S2, end socket and bottleneck, using heating closing in spinning machine to the aluminium alloy inner container spinning pipe both ends
Opening carry out the rotary press modelling of end socket and bottleneck respectively, obtain rotary press modelling part B；The rotary press modelling part B includes straight tube
The A end socket and B end socket of section and direct tube section both ends；
The A end socket and B end socket at the both ends rotary press modelling part B obtained in step S2 are distinguished in S3, the processing of bottleneck centre bore
The machining for carrying out bottleneck centre bore, obtains rotary press modelling part C；
S4, curved surface flaw detection carry out closing in quality flaw detection to rotary press modelling part C obtained in step S3, examine end socket position
Whether the manufacturing deficiency of orange peel, folding is had；
S5, curved interior surface reconditioning, according to result of detection, using end socket inner surface grinding machine tool to being found in step S4
End socket defect in inner surface carries out reconditioning, obtains up-to-standard rotary press modelling part C；
S6, heat treatment carry out T6 process to rotary press modelling part C obtained in step S5, obtain double-seal head high pressure gas
Bottle liner base；
S7, bottleneck processing, using bottleneck machining center to the A bottle of double-seal head high pressure gas cylinder liner base obtained in step S6
The internal diameter and outer diameter of mouth and B bottleneck are machined out respectively, and process bottle outlet internal screw thread, are obtained in double-seal head high pressure gas cylinder
Gallbladder；
S8, liner cleaning.
The manufacturing method of double-seal head high pressure gas cylinder liner as described above, it is preferable that the step S1 specifically includes following step
It is rapid:
S11, the rotary press modelling of aluminium alloy inner container spinning pipe direct tube section, the spin-on process using three-wheel mistake away from dextrorotation or derotation
2-4 spinning process is carried out to seamless tube blank, obtains spinning part A；It is long equal to setting product using processing length when dextrorotation spinning
The core model of 1.2-1.4 times of degree carries out spinning secondary process；Setting product length 0.6- is equal to using processing length when derotation spinning
0.8 times of core model carries out spinning secondary process；
S12, the Processing to length of aluminium alloy inner container spinning pipe carry out Processing to length to spinning part A obtained in step S11,
Obtain aluminium alloy inner container spinning pipe；
S13, the cleaning of aluminium alloy inner container spinning pipe, using cleaning machine to aluminium alloy inner container spinning obtained in step S12
Pipe is cleaned；
S14, reconditioning aluminium alloy inner container spinning pipe close the aluminium after cleaning in step S13 using numerical control internal-external cavetto grinding machine
The reconditioning that golden liner spinning pipe carries out surfaces externally and internally scuffing, damages；
S15 carries out direct tube section to aluminium alloy inner container spinning pipe obtained in step S14 using ultrasound automatic flaw detector
Full-automatic flaw detection, checks whether the manufacturing deficiency of peeling, fold, crackle；
Preferably, the three-wheel mistake in the step S11 is set as 6- away from amount away from the mistake in dextrorotation or derotation spin-on process
12mm；
Preferably, the cleaning machine in the step S13 is rotary spray cleaning machine or supersonic cleaning machine；
Preferably, the cleaning of the aluminium alloy inner container spinning pipe is completed using 30-45 DEG C of neutral cleaners are heated；
More preferably, it is used after the aluminium alloy inner container spinning pipe cleaning and dries apparatus or drying unit removal remained on surface
It is water stain.
The manufacturing method of double-seal head high pressure gas cylinder liner as described above, it is preferable that the step S2 specifically includes following step
It is rapid:
S21, clamping carry out the clamping of aluminium alloy inner container spinning pipe using split-type hollow main shaft；
S22, heating, to being heated to 180-390 DEG C at the spinning to be closed up of aluminium alloy inner container spinning pipe；
The formed spinning of S23, end socket and bottleneck, using unilateral X straight line, Z straight line and rotation three-dimensional insertion packing closing in spinning
Machine carries out multi-pass closing in spinning to the aluminium alloy inner container spinning pipe heated in step S22；
S24 repeats the operation of step S21, S22, S23 to the other end of aluminium alloy inner container spinning pipe, obtains rotary press modelling
Part B；The rotary press modelling part B includes the A end socket and B end socket at direct tube section and direct tube section both ends；
Preferably, the heating in the step S22 carries out burning bright eruption heating using oxygen, propane/LNG.
Double-seal head high pressure gas cylinder liner manufacturing method as described above, it is preferable that the step S5 specifically comprises the following steps:
S51, using clamping tooling clamping rotary press modelling part C；
S52, the automatic endoscope system automatic Observation carried using end socket inner surface grinding machine tool judge that end socket inner surface lacks
Situation is fallen into, corresponding position is recorded, and combines artificial confirmation；
S53, using the end socket inner mold face slot trimming mechanism of end socket inner surface grinding machine tool in the end socket found in step S4
Surface defect carries out reconditioning, obtains up-to-standard rotary press modelling part C；
Preferably, the clamping tooling of the rotary press modelling part C is the hollow clamping tooling of split-type；
Preferably, end socket inner mold face reconditioning is numerical control automatic grinding mechanism, programmable to independently execute.
The manufacturing method of double-seal head high pressure gas cylinder liner as described above, it is preferable that the step S6 includes the following steps:
S61, quenching treatment, is put into glowing furnace for rotary press modelling part C obtained in step S5 and is quenched, by spinning
Molded part C is heated to 525-531 DEG C, and keeps the temperature 2-4 hours in 525-531 DEG C of environment, and then rotary press modelling part C quenches
Fire；
Quenched rotary press modelling part C is transferred to aging furnace and carries out ageing treatment, finally in 160- by S62, ageing treatment
6-10 hours are kept the temperature in 200 DEG C of environment, double-seal head high pressure gas cylinder liner base is made；
Preferably, the glowing furnace is vertical aluminum alloy sealed box type quenching furnace；More preferably, the aging furnace is car-type aluminium
Alloy aging furnace.
Double-seal head high pressure gas cylinder liner manufacturing method as described above, it is preferable that the step S7 specifically comprises the following steps:
S71, using the hollow clamping frock clamping double-seal head high pressure gas cylinder liner base of split-type；
S72, bottleneck processing, using bottleneck machining center to the bottle of double-seal head high pressure gas cylinder liner base obtained in step S6
Mouth outer diameter, internal diameter and bottleneck internal screw thread carry out High-speed machining, obtain double-seal head high pressure gas cylinder liner, the length of A bottleneck and B bottleneck
Degree, outer diameter and inner diameter size are 40mm, 50mm, 28mm.
Double-seal head high pressure gas cylinder liner manufacturing method as described above, it is preferable that the step S8 specifically comprises the following steps:
S81 is placed on double-seal head high pressure gas cylinder liner is vertical on vertical cylinder liner cleaning machine, makes vertical cylinder liner
Cleaning machine spraying mechanism enters inside liner, fixed liner；
S82 is sprayed using high pressure water or is cleaned by ultrasonic mode and cleaned to the inner cavity of double-seal head high pressure gas cylinder liner, gone
Except processing pollution object.
Compared with the immediate prior art, technical solution provided by the invention is had the following beneficial effects:
The manufacturing method of double-seal head high pressure gas cylinder liner provided by the invention, the overall processing method for using spinning, preparation
Simple process, easy to operate, low energy consumption, and pollution is small, and the loss of entire manufacturing process chinese raw materials is fewer, has saved raw material
Cost.The double-seal head high pressure gas cylinder liner that the manufacturing method of the present invention processes, material structure even compact, integral strength effect
Fruit is excellent, has high pressure resistant property.
It is difficult to produce the high pressure gas cylinder aluminium alloy inner container that diameter is greater than 406mm, present invention wound in the prior art
The property made using pipe by the processing method of spinning, so that the diameter of product has been reached Φ 406- Φ 850mm, integral diameter size
It greatly improves, volume is much higher than the volume of existing standard aluminium alloy inner container；The wall thickness of direct tube section is only 1-10mm, has wall
The characteristics of thin, light weight；Have great importance to the manufacture of thin-walled high pressure gas cylinder.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of double-seal head high pressure gas cylinder liner in the embodiment of the present invention；
Fig. 2 is the manufacturing method flow chart of double-seal head high pressure gas cylinder liner in the embodiment of the present invention.
In figure: 1, A bottleneck；2, A end socket；3, direct tube section；4, B end socket；5, B bottleneck.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff's every other embodiment obtained, shall fall within the protection scope of the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the present invention be can be combined with each other.
In the description of the present invention, term " connected ", " connection " used in the present invention shall be understood in a broad sense, for example, can
To be to be fixedly connected, may be a detachable connection；It can be directly connected, can also be indirectly connected by intermediate member, it is right
For those skilled in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
The present invention provides a kind of manufacturing method of double-seal head high pressure gas cylinder liner, and double-seal head high pressure gas cylinder liner is by seamless pipe
Base is process by this manufacturing method；As shown in Figure 1, double-seal head high pressure gas cylinder liner is both ends closing in formed head and bottleneck
Integrated seamless structure aluminium alloy inner container, including A bottleneck 1, A end socket 2, direct tube section 3, B end socket 4 and B bottleneck 5, A end socket 2
The both ends of direct tube section 3 are located at B end socket 4, A bottleneck 1 and B bottleneck 5 are located on A end socket 2 and B end socket 4；Double-seal head is high
The length of air bottle liner is less than 5m, the nominal outside diameter of direct tube section 3 be Φ 406- Φ 850mm (such as 450mm, 480mm,
500mm, 530mm, 560mm, 600mm, 630mm, 670mm, 700mm, 740mm, 770mm, 800mm, 830mm), high pressure gas cylinder
Rated pressure be 20-30Mpa (such as 21Mpa, 22Mpa, 23Mpa, 24Mpa, 25Mpa, 26Mpa, 27Mpa, 28Mpa,
29Mpa).The structure type of end socket is spheroid shape end socket, disk bottom or dome-type end socket, and the structure type and B of A end socket 2 are sealed
First 4 structure type is identical, and the thickness of end socket is thickened from edge to the uniform gradual change in bottleneck position；In an embodiment of the present invention, A
The structure type of end socket 2 and B end socket 4 is dish-like；As shown in Fig. 2, the manufacturer of double-seal head high pressure gas cylinder liner of the invention
Method includes the following steps:
S1, aluminium alloy inner container spinning control is standby, is carried out using direct tube section 3 of the numerical control strong outward turning press to seamless tube blank more
The processing of passage strength outward turning pressing formation, obtains aluminium alloy inner container spinning pipe；The step specifically comprises the following steps:
S11, the rotary press modelling of aluminium alloy inner container spinning pipe direct tube section 3, using three-wheel mistake away from dextrorotation or derotation spin-on process
2-4 (such as 2 times, 3 times, 4 times) spinning process is carried out to seamless tube blank, obtains spinning part A.In an embodiment of the present invention,
Three-wheel mistake away from dextrorotation or derotation spin-on process it is wrong away from amount be set as 6-12mm (such as 6.5mm, 7mm, 7.5mm, 8mm,
8.5mm,9mm,9.5mm,10mm,10.5mm,11mm,11.5mm)；It is long equal to setting product using processing length when dextrorotation spinning
The core model of 1.2-1.4 times of degree (such as 1.2 times, 1.25 times, 1.3 times, 1.35 times, 1.38 times, 1.4 times) carries out spinning auxiliary and adds
Work；Spinning secondary process is carried out using the core model that processing length is equal to 0.6-0.8 times of product length of setting when derotation spinning；It is seamless
Pipe is 55%-70% through spinning treated total deformation；The length of seamless tube blank is not more than 1.7m；Spinning part A is uniform thickness
The direct tube section 3 of straight tube or both ends with outer circumferential end frame.
S12, the Processing to length of aluminium alloy inner container spinning pipe determine spinning part A obtained in step S11 using sawing machine
Long processing, obtains aluminium alloy inner container spinning pipe；In an embodiment of the present invention, sawing machine uses twin columns automatic sawing machine, and saw blade uses
The dedicated saw blade of aluminium alloy.
S13, the cleaning of aluminium alloy inner container spinning pipe add 30-45 DEG C using rotary spray cleaning machine or supersonic cleaning machine
(such as 31 DEG C, 32 DEG C, 33 DEG C, 34 DEG C, 35 DEG C, 36 DEG C, 37 DEG C, 38 DEG C, 39 DEG C, 40 DEG C, 41 DEG C, 42 DEG C, 43 DEG C, 44 DEG C)
Neutral cleaners clean aluminium alloy inner container spinning pipe obtained in step S12；Use is dried using dedicated after the completion of cleaning
Tool or drying unit removal remained on surface are water stain.
S14, reconditioning aluminium alloy inner container spinning pipe close the aluminium after cleaning in step S13 using numerical control internal-external cavetto grinding machine
The reconditioning that golden liner spinning pipe carries out surfaces externally and internally scuffing, damages；The step specifically comprises the following steps:
S141 carries out reconditioning using outer surface of the cloth abrasive band to aluminium alloy inner container spinning pipe；
S142 carries out thick reconditioning using inner surface of the Chiba fabric disc to aluminium alloy inner container spinning pipe；
S143 carries out refine mill using inner surface of the scouring pad wheel to aluminium alloy inner container spinning pipe；
S15 carries out direct tube section 3 to aluminium alloy inner container spinning pipe obtained in step S14 using ultrasound automatic flaw detector
Full-automatic flaw detection, checked whether the manufacturing deficiencies such as peeling, fold, crackle.
The rotary press modelling of S2, end socket and bottleneck opens aluminium alloy inner container spinning pipe both ends using heating closing in spinning machine
The rotary press modelling for carrying out end socket and bottleneck at mouthful respectively, obtains rotary press modelling part B；Rotary press modelling part B includes direct tube section 3 and straight tube
The A end socket 2 and B end socket 4 at 3 both ends of section；The step specifically comprises the following steps:
S21, clamping carry out the clamping of aluminium alloy inner container spinning pipe using split-type hollow main shaft；
S22, heating add progress bright eruption at the spinning to be closed up of aluminium alloy inner container spinning pipe using oxygen, propane/LNG
Heat is to 180-390 DEG C of (such as 200 DEG C, 220 DEG C, 240 DEG C, 260 DEG C, 280 DEG C, 300 DEG C, 320 DEG C, 340 DEG C, 360 DEG C, 380
℃)；
The formed spinning of S23, end socket and bottleneck, using unilateral X straight line, Z straight line and rotation three-dimensional insertion packing closing in spinning
Machine carries out 10-18 passage closing in spinning to the aluminium alloy inner container spinning pipe heated in step S22, in spinning process, rotation of closing up
Press 1-8 passage (such as 1 passage, 2 times, 3 times, 4 times, 5 times, 6 times, 7 times, 8 times) with derotation, the increasing for bottleneck position
It is thick；The thickness of end socket obtained by edge 5-8mm (such as 5.2mm, 5.4mm, 5.6mm, 5.8mm, 6mm, 6.2mm, 6.4mm,
6.6mm, 6.8mm, 7mm, 7.3mm, 7.6mm, 7.8mm) to bottleneck position 10-15mm (such as 10.5mm, 11mm, 11.5mm,
12mm, 12.5mm, 13mm, 13.5mm, 14mm, 14.5mm) uniformly gradual change thicken；
S24 repeats the operation of step S21, S22, S23 to the other end of aluminium alloy inner container spinning pipe, obtains rotary press modelling
Part B；Rotary press modelling part B includes the A end socket 2 and B end socket 4 at 3 both ends of direct tube section 3 and direct tube section.
S3, the processing of bottleneck centre bore are carried out the clamping of rotary press modelling part B using the hollow clamping tooling of split-type, used
Dedicated bottleneck machining center carries out in bottleneck the A end socket 2 and B end socket 4 at the both ends rotary press modelling part B obtained in step S2 respectively
The machining in heart hole obtains rotary press modelling part C；It is ready for subsequent heat treatment；
S4, curved surface flaw detection carry out closing in quality flaw detection to rotary press modelling part C obtained in step S3, examine end socket position
Whether the manufacturing deficiencies such as orange peel, folding are had；
S5, curved interior surface reconditioning, according to result of detection, using dedicated end socket inner surface grinding machine tool to being sent out in step S4
Existing end socket defect in inner surface carries out reconditioning, obtains up-to-standard rotary press modelling part C；The step specifically comprises the following steps:
S51 carries out clamping to rotary press modelling part C using the hollow clamping tooling of split-type；
S52, the automatic endoscope system automatic Observation carried using dedicated end socket inner surface grinding machine tool judge table in end socket
Planar defect situation records corresponding position, and combines artificial confirmation；
S53, using the numerical control automatic grinding mechanism of dedicated end socket inner surface grinding machine tool to the end socket found in step S5
Defect in inner surface carries out reconditioning, obtains up-to-standard rotary press modelling part C, during reconditioning, numerical control automatic grinding mechanism can
Programming independently executes.
S6, heat treatment carry out T6 process to rotary press modelling part C obtained in step S5, obtain double-seal head high pressure gas
Bottle liner base；The step specifically comprises the following steps:
Rotary press modelling part C obtained in step S5 is put into vertical aluminum alloy sealed box type quenching furnace and carried out by S61, quenching treatment
Rotary press modelling part C is heated to 525-531 DEG C of (such as 525.5 DEG C, 526 DEG C, 526.5 DEG C, 527 DEG C, 527.5 by quenching treatment
DEG C, 528 DEG C, 528.5 DEG C, 529 DEG C, 529.5 DEG C, 530 DEG C, 530.5 DEG C), and in 525-531 DEG C of (such as 525.5 DEG C, 526
DEG C, 526.5 DEG C, 527 DEG C, 527.5 DEG C, 528 DEG C, 528.5 DEG C, 529 DEG C, 529.5 DEG C, 530 DEG C, 530.5 DEG C) keep the temperature in environment
2-4 hours (such as 2.2 hours, 2.4 hours, 2.6 hours, 2.8 hours, 3 hours, 3.2 hours, 3.4 hours, 3.6 hours, 3.8
Hour), rotary press modelling part C is then subjected to aqueous medium quenching；It should ensure that when quenching door opened to double-seal head height from glowing furnace
Air bottle liner all enters the water time and is not greater than 8s.
Quenched rotary press modelling part C is transferred to car-type aluminium alloy aging furnace and carried out at timeliness by S62, ageing treatment
Reason, finally in 160-200 DEG C of (such as 165 DEG C, 170 DEG C, 175 DEG C, 180 DEG C, 185 DEG C, 190 DEG C, 195 DEG C, 198 DEG C) environment
Heat preservation 6-10 hours (such as 6.3 hours, 6.6 hours, 7 hours, 7.3 hours, 7.7 hours, 8 hours, 8.4 hours, 8.7 hours,
9 hours, 9.3 hours, 9.7 hours), double-seal head high pressure gas cylinder liner base is made.In entire quenching treatment and ageing process
In, double-seal head high pressure gas cylinder liner base is fixed in dedicated heat treatment material frame using dedicated heat treatment tooling is vertical.
S7, bottleneck processing, using dedicated bottleneck machining center to double-seal head high pressure gas cylinder liner base obtained in step S6
A bottleneck 1 and the internal diameter and outer diameter of B bottleneck 5 be machined out respectively, and process bottle outlet internal screw thread, obtain double-seal head high pressure
Cylinder liner；The step specifically comprises the following steps:
S71, using the hollow clamping frock clamping double-seal head high pressure gas cylinder liner base of split-type；
S72, bottleneck processing, using dedicated bottleneck machining center to double-seal head high pressure gas cylinder liner base obtained in step S6
Bottleneck outer diameter, internal diameter and bottleneck internal screw thread carry out High-speed machining, obtain double-seal head high pressure gas cylinder liner, A bottleneck 1 and B bottleneck 5
Length, outer diameter and inner diameter size be 40mm, 50mm, 28mm.
S8, liner cleaning, using special vertical cylinder liner cleaning machine to double-seal head high pressure gas cylinder obtained in step S7
The inner cavity of liner carries out high pressure water spray cleaning, removes aluminium skimmings and other processing pollution objects；The step specifically comprises the following steps:
S81 is placed on double-seal head high pressure gas cylinder liner is vertical on special vertical cylinder liner cleaning machine, makes special vertical
Cylinder liner cleaning machine spraying mechanism enters inside liner, fixed liner；
S82 is sprayed using high pressure water or is cleaned by ultrasonic mode and cleaned to the inner cavity of double-seal head high pressure gas cylinder liner, gone
Except aluminium skimmings and other processing pollution objects.
S9, product inspection test to the double-seal head high pressure gas cylinder liner obtained in step S8, obtain double-seal head high pressure
The finished product of cylinder liner.
S10 carries out carbon fiber winding to the finished product of the obtained double-seal head high pressure gas cylinder liner of step S9, obtains high pressure gas
Bottle, detects the ultimate pressure capacity situation of the high pressure gas cylinder.
The double-seal head high pressure gas cylinder liner prepared through the manufacturing method of the present invention, length are less than 5m, the nominal of direct tube section 3
Outer diameter is Φ 406- Φ 850mm, the wall thickness of direct tube section 3 be 1-10mm (such as 1mm, 2mm, 3mm, mm, 5mm, 6mm, 7mm, 8mm,
9mm), the whole straightness of direct tube section 3 is not more than 0.5mm/m；The tolerance of the wall thickness of direct tube section 3 is less than or equal to ± 0.15mm；Directly
Cylinder 3 arbitrary line fragment position part straightness of section is not more than 0.5mm/300mm；The circularity of 3 any position of direct tube section is not more than
0.5mm；The inside surface roughness of direct tube section 3 is less than Ra1.6 μm, and the outer surface roughness of direct tube section 3 is less than Ra3.2 μm.This hair
The volume of double-seal head high pressure gas cylinder liner made from bright manufacturing method is much higher than the volume of existing standard aluminium alloy inner container, together
When also there are the characteristics such as thin, the high pressure resistant and light weight of wall thickness.
Embodiment 1
A kind of diameter of phi 420mm, length 2.5m are prepared, wall thickness is the double-seal head high pressure gas cylinder liner of 4mm, high pressure gas cylinder
Rated pressure requires to be 25Mpa, specifically includes following operating procedure:
S1, aluminium alloy inner container spinning control is standby, which specifically comprises the following steps:
S11, the rotary press modelling of aluminium alloy inner container spinning pipe direct tube section 3, using three-wheel mistake away from dextrorotation spin-on process to length
2 passage spinning are carried out for the seamless tube blank of 1m, three-wheel mistake is set as 6mm away from amount away from the mistake in dextrorotation spin-on process；
Spinning part A is obtained, spinning part A is the direct tube section 3 of uniform thickness straight tube or both ends with outer circumferential end frame；Spinning part A's
Size are as follows: total length 3000mm, direct tube section 3 with a thickness of 4mm, both ends step section is with a thickness of 10mm.
S12, the Processing to length of aluminium alloy inner container spinning pipe, using twin columns automatic sawing machine to spinning obtained in step S11
Part A carries out Processing to length, obtains aluminium alloy inner container spinning pipe, and the length of the aluminium alloy inner container spinning pipe direct tube section 3 is 2600mm；
S13, the cleaning of aluminium alloy inner container spinning pipe are added in 40 DEG C using rotary spray cleaning machine or supersonic cleaning machine
Property cleaning agent cleans aluminium alloy inner container spinning pipe obtained in step S12；Apparatus is dried using dedicated after the completion of cleaning
Or drying unit removal remained on surface is water stain.
S14, reconditioning aluminium alloy inner container spinning pipe close the aluminium after cleaning in step S13 using numerical control internal-external cavetto grinding machine
The reconditioning that golden liner spinning pipe carries out surfaces externally and internally scuffing, damages；The step specifically comprises the following steps:
S141 carries out reconditioning using outer surface of the cloth abrasive band to aluminium alloy inner container spinning pipe；
S142 carries out thick reconditioning using inner surface of the Chiba fabric disc to aluminium alloy inner container spinning pipe；
S143 carries out refine mill using inner surface of the scouring pad wheel to aluminium alloy inner container spinning pipe；
S15 automatically visits aluminium alloy inner container spinning pipe obtained in step S14 using ultrasound automatic flaw detector
Wound, examines whether cylinder has the manufacturing deficiencies such as orange peel, folding.
The rotary press modelling of S2, end socket and bottleneck opens aluminium alloy inner container spinning pipe both ends using heating closing in spinning machine
The rotary press modelling for carrying out end socket and bottleneck at mouthful respectively, obtains rotary press modelling part B；Rotary press modelling part B includes direct tube section 3 and straight tube
The A end socket 2 and B end socket 4 at 3 both ends of section；The step specifically comprises the following steps:
S21, clamping carry out the clamping of aluminium alloy inner container spinning pipe using split-type hollow main shaft；
S22, heating, using oxygen, the burning of propane/LNG to being sprayed at the spinning to be closed up of aluminium alloy inner container spinning pipe
Flame is heated to 310 DEG C；
The formed spinning of S23, end socket and bottleneck, using unilateral X straight line, Z straight line and rotation three-dimensional insertion packing closing in spinning
Machine carries out closing in spinning to the aluminium alloy inner container spinning pipe heated in step S22；
In spinning process, closing in spinning has 4 derotations, for thickening for bottleneck position；Rotary press modelling part B obtained
The thickness of end socket thickened from the 8mm at edge to the uniform gradual change of the 12mm at bottleneck position.
S24 repeats the operation of step S21, S22, S23 to the other end of aluminium alloy inner container spinning pipe, obtains rotary press modelling
Part B；Rotary press modelling part B includes the A end socket 2 and B end socket 4 at 3 both ends of direct tube section 3 and direct tube section.
S3, the processing of bottleneck centre bore are carried out the clamping of rotary press modelling part B using the hollow clamping tooling of split-type, used
Dedicated bottleneck machining center carries out in bottleneck the A end socket 2 and B end socket 4 at the both ends rotary press modelling part B obtained in step S2 respectively
The machining in heart hole obtains rotary press modelling part C；It is ready for subsequent heat treatment；
S4, curved surface flaw detection carry out closing in quality flaw detection to rotary press modelling part C obtained in step S3, examine end socket position
Whether the manufacturing deficiencies such as orange peel, folding are had；
S5, curved interior surface reconditioning, according to result of detection, using dedicated end socket inner surface grinding machine tool to being sent out in step S4
Existing end socket defect in inner surface carries out reconditioning, obtains up-to-standard rotary press modelling part C；The step specifically comprises the following steps:
S51 carries out clamping to rotary press modelling part C using the hollow clamping tooling of split-type；
S52, the automatic endoscope system automatic Observation carried using dedicated end socket inner surface grinding machine tool judge table in end socket
Planar defect situation records corresponding position, and combines artificial confirmation；
S53, using the numerical control automatic grinding mechanism of dedicated end socket inner surface grinding machine tool to the end socket found in step S5
Defect in inner surface carries out reconditioning, obtains up-to-standard rotary press modelling part C, during reconditioning, numerical control automatic grinding mechanism can
Programming independently executes.
S6, heat treatment carry out T6 process to rotary press modelling part C obtained in step S5, obtain double-seal head high pressure gas
Bottle liner base；The step specifically comprises the following steps:
Rotary press modelling part C obtained in step S5 is put into vertical aluminum alloy sealed box type quenching furnace and carried out by S61, quenching treatment
Quenching treatment, is heated to 525-531 DEG C for rotary press modelling part C, and keep the temperature 3.5 hours in 525-531 DEG C of environment, then will rotation
Molded part C carries out aqueous medium quenching；
Quenched rotary press modelling part C is transferred to car-type aluminium alloy aging furnace and carried out at timeliness by S62, ageing treatment
Reason, finally keeps the temperature 9 hours in 160 DEG C of environment, and double-seal head high pressure gas cylinder liner base is made.At entire quenching treatment and timeliness
During reason, double-seal head high pressure gas cylinder liner base is fixed in dedicated heat treatment material frame using dedicated heat treatment tooling is vertical.
S7, bottleneck processing, using dedicated bottleneck machining center to double-seal head high pressure gas cylinder liner base obtained in step S6
A bottleneck 1 and the internal diameter and outer diameter of B bottleneck 5 be machined out respectively, and process bottle outlet internal screw thread, obtain double-seal head high pressure
Cylinder liner；The step specifically comprises the following steps:
S71, using the hollow clamping frock clamping double-seal head high pressure gas cylinder liner base of split-type；
S72, bottleneck processing, using dedicated bottleneck machining center to double-seal head high pressure gas cylinder liner base obtained in step S6
Bottleneck outer diameter, internal diameter and bottleneck internal screw thread carry out High-speed machining, obtain double-seal head high pressure gas cylinder liner, A bottleneck 1 and B bottleneck 5
Length, outer diameter and inner diameter size be 40mm, 50mm, 28mm.
S8, liner cleaning, using special vertical cylinder liner cleaning machine to double-seal head high pressure gas cylinder obtained in step S7
The inner cavity of liner carries out high pressure water spray cleaning, removes aluminium skimmings and other processing pollution objects；The step specifically comprises the following steps:
S81 is placed on double-seal head high pressure gas cylinder liner is vertical on special vertical cylinder liner cleaning machine, makes special vertical
Cylinder liner cleaning machine spraying mechanism enters inside liner, fixed liner；
S82 is sprayed using high pressure water or is cleaned by ultrasonic mode and cleaned to the inner cavity of double-seal head high pressure gas cylinder liner, gone
Except aluminium skimmings and other processing pollution objects.
S9, product inspection test to the double-seal head high pressure gas cylinder liner obtained in step S8, and some projects are taken out
Inspection, the tissue grain size of any six positions of the double-seal head high pressure gas cylinder liner of sampling observation is measured, measurement result this six
The tissue grain size of a position is respectively 6 grades according to ASTME112 standard, 6 grades, 7 grades, 7 grades, 6 grades, 5 grades, to double envelopes of sampling observation
The tensile strength of the direct tube section 3 of head height air bottle liner.Yield strength and elongation percentage measure respectively, through measuring, direct tube section 3
Tensile strength be 345MPa, yield strength 310MPa, elongation percentage 16%, it is qualified that this batch produces product, obtains double envelopes
The finished product of head height air bottle liner.
S10 carries out carbon fiber winding to the finished product of the obtained double-seal head high pressure gas cylinder liner of step S9, obtains high pressure gas
Bottle, detects the ultimate pressure capacity situation of the high pressure gas cylinder.
By examining, the tissue grain size of any position of double-seal head high pressure gas cylinder liner made from the present embodiment according to
ASTME112 standard class is all larger than equal to 5 grades, and the tensile strength of direct tube section 3 is 345MPa, yield strength 310MPa, extends
Rate is 16%；Carrying out the high pressure gas cylinder test limits pressure obtained after liner winding is 75Mpa, meets rated pressure 25Mpa's
It is required that.
Embodiment 2
A kind of diameter 618mm, length 4.5m are prepared, wall thickness is the double-seal head high pressure gas cylinder liner of 6mm, high pressure gas cylinder volume
Level pressure force request is 25Mpa, specifically includes following operating procedure:
S1, aluminium alloy inner container spinning control is standby, which specifically comprises the following steps:
S11, the rotary press modelling of aluminium alloy inner container spinning pipe direct tube section 3, using three-wheel mistake away from derotation spin-on process to length
3 passage spinning are carried out for the seamless tube blank of 1.5m, three-wheel mistake is set as 6mm away from amount away from the mistake in derotation spin-on process；
Spinning part A is obtained, spinning part A is the direct tube section 3 of uniform thickness straight tube or both ends with outer circumferential end frame；Spinning part A's
Size are as follows: total length 4700mm, direct tube section 3 with a thickness of 6mm, both ends end frame section thickness 11mm.
S12, the Processing to length of aluminium alloy inner container spinning pipe, using twin columns automatic sawing machine to spinning obtained in step S11
Part A carries out Processing to length, obtains aluminium alloy inner container spinning pipe, and the length of the aluminium alloy inner container spinning pipe direct tube section 3 is 4600mm；
S13, the cleaning of aluminium alloy inner container spinning pipe are added in 35 DEG C using rotary spray cleaning machine or supersonic cleaning machine
Property cleaning agent cleans aluminium alloy inner container spinning pipe obtained in step S12；Apparatus is dried using dedicated after the completion of cleaning
Or drying unit removal remained on surface is water stain.
S14, reconditioning aluminium alloy inner container spinning pipe close the aluminium after cleaning in step S13 using numerical control internal-external cavetto grinding machine
The reconditioning that golden liner spinning pipe carries out surfaces externally and internally scuffing, damages；The step specifically comprises the following steps:
S141 carries out reconditioning using outer surface of the cloth abrasive band to aluminium alloy inner container spinning pipe；
S142 carries out thick reconditioning using inner surface of the Chiba fabric disc to aluminium alloy inner container spinning pipe；
S143 carries out refine mill using inner surface of the scouring pad wheel to aluminium alloy inner container spinning pipe.
S15 automatically visits aluminium alloy inner container spinning pipe obtained in step S14 using ultrasound automatic flaw detector
Wound, examines whether cylinder has the manufacturing deficiencies such as orange peel, folding.
The rotary press modelling of S2, end socket and bottleneck opens aluminium alloy inner container spinning pipe both ends using heating closing in spinning machine
The rotary press modelling for carrying out end socket and bottleneck at mouthful respectively, obtains rotary press modelling part B；Rotary press modelling part B includes direct tube section 3 and straight tube
The A end socket 2 and B end socket 4 at 3 both ends of section；The step specifically comprises the following steps:
S21, clamping carry out the clamping of aluminium alloy inner container spinning pipe using split-type hollow main shaft；
S22, heating, using oxygen, the burning of propane/LNG to being sprayed at the spinning to be closed up of aluminium alloy inner container spinning pipe
Flame is heated to 250 DEG C；
The formed spinning of S23, end socket and bottleneck, using unilateral X straight line, Z straight line and rotation three-dimensional insertion packing closing in spinning
Machine carries out closing in spinning to the aluminium alloy inner container spinning pipe heated in step S22；
In spinning process, closing in spinning has 4 derotations, for thickening for bottleneck position；Rotary press modelling part B obtained
The thickness of end socket thickened from the 9mm at edge to the uniform gradual change of the 12.5mm at bottleneck position.
S24 repeats the operation of step S21, S22, S23 to the other end of aluminium alloy inner container spinning pipe, obtains rotary press modelling
Part B；Rotary press modelling part B includes the A end socket 2 and B end socket 4 at 3 both ends of direct tube section 3 and direct tube section.
S3, the processing of bottleneck centre bore are carried out the clamping of rotary press modelling part B using the hollow clamping tooling of split-type, used
Dedicated bottleneck machining center carries out in bottleneck the A end socket 2 and B end socket 4 at the both ends rotary press modelling part B obtained in step S2 respectively
The machining in heart hole obtains rotary press modelling part C；It is ready for subsequent heat treatment；
S4, curved surface flaw detection carry out closing in quality flaw detection to rotary press modelling part C obtained in step S3, examine end socket position
Whether the manufacturing deficiencies such as orange peel, folding are had；
S5, curved interior surface reconditioning, according to result of detection, using dedicated end socket inner surface grinding machine tool to being sent out in step S4
Existing end socket defect in inner surface carries out reconditioning, obtains up-to-standard rotary press modelling part C；The step specifically comprises the following steps:
S51 carries out clamping to rotary press modelling part C using the hollow clamping tooling of split-type；
S52, the automatic endoscope system automatic Observation carried using dedicated end socket inner surface grinding machine tool judge table in end socket
Planar defect situation records corresponding position, and combines artificial confirmation；
S53, using the numerical control automatic grinding mechanism of dedicated end socket inner surface grinding machine tool to the end socket found in step S5
Defect in inner surface carries out reconditioning, obtains up-to-standard rotary press modelling part C, during reconditioning, numerical control automatic grinding mechanism can
Programming independently executes.
S6, heat treatment carry out T6 process to rotary press modelling part C obtained in step S5, obtain double-seal head high pressure gas
Bottle liner base；The step specifically comprises the following steps:
Rotary press modelling part C obtained in step S5 is put into vertical aluminum alloy sealed box type quenching furnace and carried out by S61, quenching treatment
Quenching treatment, is heated to 525-531 DEG C for rotary press modelling part C, and keep the temperature 3 hours in 525-531 DEG C of environment, then by spinning
Molded part C carries out aqueous medium quenching；
Quenched rotary press modelling part C is transferred to car-type aluminium alloy aging furnace and carried out at timeliness by S62, ageing treatment
Reason, finally keeps the temperature 8 hours in 170 DEG C of environment, and double-seal head high pressure gas cylinder liner base is made.At entire quenching treatment and timeliness
During reason, double-seal head high pressure gas cylinder liner base is fixed in dedicated heat treatment material frame using dedicated heat treatment tooling is vertical.
S7, bottleneck processing, using dedicated bottleneck machining center to double-seal head high pressure gas cylinder liner base obtained in step S6
A bottleneck 1 and the internal diameter and outer diameter of B bottleneck 5 be machined out respectively, and process bottle outlet internal screw thread, obtain double-seal head high pressure
Cylinder liner；The step specifically comprises the following steps:
S71, using the hollow clamping frock clamping double-seal head high pressure gas cylinder liner base of split-type；
S72, bottleneck processing, using dedicated bottleneck machining center to double-seal head high pressure gas cylinder liner base obtained in step S6
Bottleneck outer diameter, internal diameter and bottleneck internal screw thread carry out High-speed machining, obtain double-seal head high pressure gas cylinder liner, A bottleneck 1 and B bottleneck 5
Length, outer diameter and inner diameter size be 40mm, 50mm, 28mm.
S8, liner cleaning, using special vertical cylinder liner cleaning machine to double-seal head high pressure gas cylinder obtained in step S7
The inner cavity of liner carries out high pressure water spray cleaning, removes aluminium skimmings and other processing pollution objects；The step specifically comprises the following steps:
S81 is placed on double-seal head high pressure gas cylinder liner is vertical on special vertical cylinder liner cleaning machine, makes special vertical
Cylinder liner cleaning machine spraying mechanism enters inside liner, fixed liner；
S82 is sprayed using high pressure water or is cleaned by ultrasonic mode and cleaned to the inner cavity of double-seal head high pressure gas cylinder liner, gone
Except aluminium skimmings and other processing pollution objects.
S9, product inspection test to the double-seal head high pressure gas cylinder liner obtained in step S8, and some projects are taken out
Inspection, the tissue grain size of any six positions of the double-seal head high pressure gas cylinder liner of sampling observation is measured, measurement result this six
The tissue grain size of a position is respectively 6 grades according to ASTME112 standard, 6 grades, 7 grades, 6 grades, 6 grades, 6 grades, to double envelopes of sampling observation
The tensile strength of the direct tube section 3 of head height air bottle liner.Yield strength and elongation percentage measure respectively, through measuring, direct tube section 3
Tensile strength be 353MPa, yield strength 323MPa, elongation percentage 15%, it is qualified that this batch produces product, obtains double envelopes
The finished product of head height air bottle liner.
S10 carries out carbon fiber winding to the finished product of the obtained double-seal head high pressure gas cylinder liner of step S9, obtains high pressure gas
Bottle, detects the ultimate pressure capacity situation of the high pressure gas cylinder.
By examining, the tissue grain size of any position of double-seal head high pressure gas cylinder liner made from the present embodiment according to
ASTME112 standard class is all larger than equal to 5 grades, and the tensile strength of direct tube section 3 is 353MPa, yield strength 323MPa, extends
Rate is 15%；Carrying out the high pressure gas cylinder test limits pressure obtained after liner winding is 76Mpa, meets rated pressure 25Mpa's
It is required that.
In conclusion the manufacturing method of double-seal head high pressure gas cylinder liner provided by the invention, the overall processing for using spinning
Method, low energy consumption, and pollution is small, and the loss of entire manufacturing process chinese raw materials is fewer, has saved the cost of raw material.Of the invention
The double-seal head high pressure gas cylinder liner that manufacturing method processes, nominal outside diameter are Φ 406- Φ 850mm, and volume is much higher than existing
The volume of standard aluminium alloy inner container；The wall thickness of direct tube section is 1-10mm, has the characteristics that wall thickness is thin, light weight；Direct tube section resists
Tensile strength is more than or equal to 345MPa, yield strength is more than or equal to 310MPa, elongation percentage is more than or equal to 15%；Direct tube section any position
Grain size is organized to meet the requirement more than or equal to 5 grades, interior material structure even compact, integral strength according to ASTME112 standard
Excellent effect has high pressure resistant property, has great importance to the manufacture of high pressure gas cylinder.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Mind and principle within, any modification, equivalent replacement, improvement and so on, accompanying claims protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of double-seal head high pressure gas cylinder liner, which is characterized in that the double-seal head high pressure gas cylinder liner is as winding gas cylinder
Liner for storing compressed gas, the double-seal head high pressure gas cylinder liner be both ends closing in formed head and bottleneck integral type without
The aluminium alloy inner container of crack structure, including A bottleneck, A end socket, direct tube section, B end socket and B bottleneck, the A end socket and B end socket distinguish position
In the both ends of the direct tube section, the A bottleneck and B bottleneck are located on the A end socket and B end socket；The double-seal head high pressure
The length of cylinder liner is less than 5m, and the nominal outside diameter of the direct tube section is Ф 406- Ф 850mm, the specified pressure of the high pressure gas cylinder
Power is 20-30Mpa.
2. double-seal head high pressure gas cylinder liner as described in claim 1, which is characterized in that the wall thickness of the direct tube section is 1-
The whole straightness of 10mm, the direct tube section are not more than 0.5mm/m；
Preferably, the tolerance of the wall thickness of the direct tube section is less than or equal to ± 0.15mm；
More preferably, the direct tube section arbitrary line fragment position part straightness is not more than 0.5mm/300mm；
More preferably, the circularity of the direct tube section any position is not more than 0.5mm；
More preferably, the inside surface roughness of the direct tube section is less than Ra1.6 μm, and the outer surface roughness of the direct tube section is less than
Ra3.2μm。
3. double-seal head high pressure gas cylinder liner as described in claim 1, which is characterized in that the structure type of the end socket is ellipsoid
Type end socket, disk bottom or dome-type end socket, the structure type of the A end socket is identical as the structure type of the B end socket, described
The thickness of end socket is thickened from edge to the uniform gradual change in bottleneck position；
Preferably, the thickness of the end socket is thickened from the 5-8mm at edge to the uniform gradual change of the 10-15mm at bottleneck position；
More preferably, the length of the bottleneck is 40mm, the outer diameter of the bottleneck is 50mm, and the internal diameter of the bottleneck is 28mm.
4. a kind of manufacturing method of double-seal head high pressure gas cylinder liner as described in any one of claims 1 to 3, which is characterized in that
The manufacturing method includes the following steps:
S1, aluminium alloy inner container spinning control is standby, carries out multi-pass using direct tube section of the numerical control strong outward turning press to seamless tube blank
The processing of strength outward turning pressing formation, obtains aluminium alloy inner container spinning pipe；
The rotary press modelling of S2, end socket and bottleneck opens the aluminium alloy inner container spinning pipe both ends using heating closing in spinning machine
The rotary press modelling for carrying out end socket and bottleneck at mouthful respectively, obtains rotary press modelling part B；The rotary press modelling part B include direct tube section and
The A end socket and B end socket at direct tube section both ends；
S3, the processing of bottleneck centre bore carry out the A end socket and B end socket at the both ends rotary press modelling part B obtained in step S2 respectively
The machining of bottleneck centre bore obtains rotary press modelling part C；
S4, curved surface flaw detection carry out closing in quality flaw detection to rotary press modelling part C obtained in step S3, whether examine end socket position
There is the manufacturing deficiency of orange peel, folding；
S5, curved interior surface reconditioning, according to result of detection, using end socket inner surface grinding machine tool to the end socket found in step S4
Defect in inner surface carries out reconditioning, obtains up-to-standard rotary press modelling part C；
S6, heat treatment carry out T6 process to rotary press modelling part C obtained in step S5, obtain in double-seal head high pressure gas cylinder
Gallbladder base；
S7, bottleneck processing, using bottleneck machining center to the A bottleneck of double-seal head high pressure gas cylinder liner base obtained in step S6 and
The internal diameter and outer diameter of B bottleneck are machined out respectively, and process bottle outlet internal screw thread, obtain double-seal head high pressure gas cylinder liner；
S8, liner cleaning.
5. the manufacturing method of double-seal head high pressure gas cylinder liner as claimed in claim 4, which is characterized in that the step S1 is specific
Include the following steps:
S11, the rotary press modelling of aluminium alloy inner container spinning pipe direct tube section, the spin-on process using three-wheel mistake away from dextrorotation or derotation is to nothing
Slit-tube base carries out 2-4 spinning process, obtains spinning part A；Setting product length is equal to using processing length when dextrorotation spinning
1.2-1.4 times of core model carries out spinning secondary process；Setting product length 0.6-0.8 is equal to using processing length when derotation spinning
Core model again carries out spinning secondary process；
S12, the Processing to length of aluminium alloy inner container spinning pipe carry out Processing to length to spinning part A obtained in step S11, obtain
Aluminium alloy inner container spinning pipe；
S13, the cleaning of aluminium alloy inner container spinning pipe, using cleaning machine to aluminium alloy inner container spinning pipe obtained in step S12 into
Row cleaning；
S14, reconditioning aluminium alloy inner container spinning pipe, using numerical control internal-external cavetto grinding machine in the aluminium alloy after being cleaned in step S13
The reconditioning that gallbladder spinning pipe carries out surfaces externally and internally scuffing, damages；
S15, using ultrasound automatic flaw detector to aluminium alloy inner container spinning pipe obtained in step S14 carry out direct tube section it is complete from
Dynamic flaw detection, checks whether the manufacturing deficiency of peeling, fold, crackle；
Preferably, the three-wheel mistake in the step S11 is set as 6-12mm away from amount away from the mistake in dextrorotation or derotation spin-on process；
Preferably, the cleaning machine in the step S13 is rotary spray cleaning machine or supersonic cleaning machine；
Preferably, the cleaning of the aluminium alloy inner container spinning pipe is completed using 30-45 DEG C of neutral cleaners are heated；
More preferably, it is used after the aluminium alloy inner container spinning pipe cleaning and dries apparatus or drying unit removal remained on surface water
Stain.
6. the manufacturing method of double-seal head high pressure gas cylinder liner as claimed in claim 4, which is characterized in that the step S2 is specific
Include the following steps:
S21, clamping carry out the clamping of aluminium alloy inner container spinning pipe using split-type hollow main shaft；
S22, heating, to being heated to 180-390 DEG C at the spinning to be closed up of aluminium alloy inner container spinning pipe；
The formed spinning of S23, end socket and bottleneck, using unilateral X straight line, Z straight line and rotation three-dimensional insertion packing closing in spinning machine pair
The aluminium alloy inner container spinning pipe heated in step S22 carries out multi-pass closing in spinning；
S24 repeats the operation of step S21, S22, S23 to the other end of aluminium alloy inner container spinning pipe, obtains rotary press modelling part B；
The rotary press modelling part B includes the A end socket and B end socket at direct tube section and direct tube section both ends；
Preferably, the heating in the step S22 carries out burning bright eruption heating using oxygen, propane/LNG.
7. double-seal head high pressure gas cylinder liner manufacturing method as claimed in claim 4, which is characterized in that the step S5 is specifically wrapped
Include following steps:
S51, using clamping tooling clamping rotary press modelling part C；
S52, the automatic endoscope system automatic Observation carried using end socket inner surface grinding machine tool judge end socket defect in inner surface feelings
Condition records corresponding position, and combines artificial confirmation；
S53, using the end socket inner mold face slot trimming mechanism of end socket inner surface grinding machine tool to the end socket inner surface found in step S4
Defect carries out reconditioning, obtains up-to-standard rotary press modelling part C；
Preferably, the clamping tooling of the rotary press modelling part C is the hollow clamping tooling of split-type；
Preferably, end socket inner mold face reconditioning is numerical control automatic grinding mechanism, programmable to independently execute.
8. the manufacturing method of double-seal head high pressure gas cylinder liner as claimed in claim 4, which is characterized in that the step S6 includes
Following steps:
S61, quenching treatment, is put into glowing furnace for rotary press modelling part C obtained in step S5 and is quenched, by rotary press modelling
Part C is heated to 525-531 DEG C, and keeps the temperature 2-4 hours in 525-531 DEG C of environment, then quenches rotary press modelling part C；
Quenched rotary press modelling part C is transferred to aging furnace and carries out ageing treatment, finally in 160-200 by S62, ageing treatment
6-10 hours are kept the temperature in DEG C environment, double-seal head high pressure gas cylinder liner base is made；
Preferably, the glowing furnace is vertical aluminum alloy sealed box type quenching furnace；More preferably, the aging furnace is car-type aluminium alloy
Aging furnace.
9. double-seal head high pressure gas cylinder liner manufacturing method as claimed in claim 4, which is characterized in that the step S7 is specifically wrapped
Include following steps:
S71, using the hollow clamping frock clamping double-seal head high pressure gas cylinder liner base of split-type；
S72, bottleneck processing, using bottleneck machining center to the bottleneck of double-seal head high pressure gas cylinder liner base obtained in step S6 outside
Diameter, internal diameter and bottleneck internal screw thread carry out High-speed machining, obtain double-seal head high pressure gas cylinder liner, the length of A bottleneck and B bottleneck, outer
Diameter and internal diameter are 40mm, 50mm, 28mm.
10. double-seal head high pressure gas cylinder liner manufacturing method as claimed in claim 4, which is characterized in that the step S8 is specific
Include the following steps:
S81 is placed on double-seal head high pressure gas cylinder liner is vertical on vertical cylinder liner cleaning machine, cleans vertical cylinder liner
Machine spraying mechanism enters inside liner, fixed liner；
S82 is sprayed using high pressure water or is cleaned by ultrasonic mode and cleaned to the inner cavity of double-seal head high pressure gas cylinder liner, and removal adds
Work pollutant.
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| CN113883411A (en) * | 2021-08-31 | 2022-01-04 | 海鹰空天材料研究院(苏州)有限责任公司 | High-pressure full-winding gas cylinder with aluminum alloy inner container and manufacturing method thereof |
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