The content of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of fifth wheel control of the annular slot type chamber process of bandMethod processed, effectively prevent the fifth wheels such as cutting fluid in cutting process, chip and enters product cavity, improve making for productUse reliability.
The technical solution adopted for the present invention to solve the technical problems comprises the following steps：
(1) dissolved using clean animal fat heating, processed product is immersed and freezed in animal fat, is madeThing is grease-filled in the annulus of processed product and to be solidified；
(2) it is placed on using the spring steel plate of prebuckling in the inner chamber of processed product, makes spring steel plate and annulusThe annular groove bottom at place is developed, closed annulus；
(3) product after processing is inverted and heated, take out spring steel plate, animal fat is dissolved outflow annulus；Steam is passed through at the pressure inlet of annulus UNICOM annulus inner chamber is carried out to blow down 5~10min；Product is placed on and addedIt is cleaned by ultrasonic in the deionized water for entering liquid detergent；
(4) using the product cavity after gasoline surface cleaning, and inner chamber and annulus are scrubbed；Product is placedIt is cleaned by ultrasonic in alcohol；Then the alcohol that 0.4~0.6MPa is passed through from pressure inlet is rinsed to annulus inner chamber；Collect the alcohol after rinsing and cleanliness factor detection is carried out using liquid particles degree detector, reach and stop rinsing after setting index.
Described animal fat uses lard.
In described step (1), animal fat dissolves into liquid at 50~60 DEG C, using making after 400# filter screen filtrationsWith.
The beneficial effects of the invention are as follows：
(1) annulus, as filler, using the mushy stage property of lard, is facilitated using animal fat especially lardThe filling and cleaning of gap；The density of solid-state lard is big simultaneously, and stickiness is good, is conducive to fine chip being fixed on annular groove apertureIn lard, micro-cutting is effectively prevent into product cavity gap.
(2) annular groove entrance is blocked using spring steel plate, it is therefore prevented that destruction of the larger chip to lard, cut while avoidingImpact of the liquid to lard is cut, the sealing of lard is destroyed, fifth wheel is effectively prevent into product cavity gap.
(3) product is inverted, using the lard heated, vapours is blown down, method for suppersonic cleaning is cleared up in gap,The lard in annulus can be effectively removed, and the fine chip in cutting process and cutting fluid are taken out of.
(4) using gasoline cleaning, the cleaning of alcoholic media ultrasonic wave and the clean cleaning method of flushing with pressure, cleaning product annularGap die cavity, the liquid cleanliness factor after being rinsed using liquid particles degree detector to inner chamber is detected, it is ensured that product die cavityIt is middle without fifth wheel, product cavity cleanliness factor meets design objective requirement.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples, and the present invention includes but are not limited to following implementationsExample.
The fifth wheel control method for the annular slot type chamber process of band that the present invention is provided comprises the following steps：
(1) preceding clean lard is processed as inner chamber gap filling thing, is formed to enter fine chip and cutting fluid and producedThe protection of product inner chamber；
(2) annulus entrance is blocked with spring steel plate before processing, the protection for entering product cavity to larger chip is formed；
(3) using the lard heated, vapours is blown down, method for suppersonic cleaning is cleared up in gap after processing；
(4) using gasoline cleaning after processing, the cleaning of alcoholic media ultrasonic wave and purging method with pressure, cleaning product die cavity,Ensure that product cavity cleanliness factor is met to require.
The middle clean lard of the step (1) is as inner chamber gap filling thing, and specific method is to dissolve lard heating400# filter screen filtrations are used afterwards, are placed it in refrigerator and are freezed after then product is immersed in lard, are filled in lardIn the inner chamber of annulus, product is taken out after after lard solidification.
Annulus entrance is blocked with spring steel plate in the step (2), specific method is according to the big of die cavity annular grooveIt is small calculate spring steel plate width and length, carry out prebuckling after spring steel plate is placed in annular groove, make spring steel plate withAnnular groove bottom is developed, and blocks the pore entrance on annular groove.
Using the lard heated, vapours is blown down, method for suppersonic cleaning is cleared up in gap in the step (3),Specific method is that the product inversion after processing is placed on into adjustment temperature in drying baker lard is dissolved outflow die cavity for 50~60 DEG CGap；Vapours is passed through at pressure inlet annulus inner chamber is carried out to blow down 5~10min；Product is placed on addition and washes cleanCleaning oil removing is carried out in the deionized water of essence in supersonic wave cleaning machine.
Using gasoline cleaning in the step (4), the cleaning of alcoholic media ultrasonic wave and purging method cleaning product type with pressureChamber, specific method is to use gasoline cleaning product inner chamber, and inner chamber and annular groove hole are scrubbed with toothbrush；Product is placedCleaned in the supersonic wave cleaning machine of alcoholic media；Then the alcohol for being passed through 0.4~0.6MPa from pressure inlet is rushed to die cavityWash, collect the alcoholic solution after rinsing, cleanliness factor detection is carried out to solution using liquid particles degree detector, index should be able to be met50 class requirement in GJB2203A-2005.
The embodiment of the present invention comprises the following steps：
(1) clean solid-state lard is placed on temperature to dissolve into liquid in 50~60 DEG C of drying bakers；Then use400# screen packs are filtered to lard, it is ensured that existed in lard without fifth wheel；
(2) pressure inlet 4 is blocked with guard member, is placed on after product 1 is inverted in the iron basin container for filling lard, enables lardEnough it is immersed in the bottom part of annulus die cavity；
(3) container and product are placed on progress freezing 4h in refrigerator together, lard is completely solidified into solid-state, it is ensured that pigOil is completely filled in annulus；Then the lard around product cavity annular groove, inner chamber and product is cleared up clean；
(4) according to the width 3.5mm and diameter 31mm of product annular groove, it is considered to after bending overlapping, required bullet is calculatedThe length of spring steel disc is 100mm, then by spring steel plate prebuckling for spring steel plate is placed on into ring after diameter 31mm cylinderIn shape groove, spring steel plate is set to be fitted completely with annular channel profile；
(5) processing in product cavity type face is carried out on precise NC lathe, cutter scratch bullet is prevented in processSpring steel disc, while noting the impact and destruction to spring steel plate and lard such as chip, cutting fluid, prevents that fifth wheel enters in productChamber annulus；Inner chamber is blown down with compressed air after the completion of embedded SMA actuators, the visible chip of residual is removed；
(6) being inverted product is placed in iron basin container with vee-block that product is padded, and container and product are placed on into temperature isSolid-state lard is dissolved into liquid in 50~60 DEG C of drying bakers makes it be flowed out from annular slotted hole；
(7) after product is taken out, the compressed air that 0.2MPa is passed through at pressure inlet is blown down to inner chamber；
(8) 5~10min of vapours is passed through at pressure inlet, checks that annular groove aperture is flowed out again without lard；
(9) product is upside down in the deionized water containing liquid detergent, is placed in supersonic wave cleaning machine and carries out ultrasonic waveClean 30min；
(10) after ultrasonic wave cleaning, it is passed through 5~10min of vapours again at pressure inlet, checks annular groove aperture without pigOil flows out again；Recover to be wiped with clean silk after normal temperature with product and greasy dirt presence is not allow on surface of internal cavity, silk；IfAlso greasy dirt, then repeatedly 8~10 content, until remove it is clean untill.
(11) product is placed in the container for fill gasoline and cleaned, using toothbrush and silk to product cavity annularGroove and hole system are cleaned；
(12) product is upside down in the supersonic wave cleaning machine of alcoholic media and carries out ultrasonic wave cleaning 30min；
(13) product is accessed into rinse-system with pressure, system outlet is installed 2 μm of filter filterings, is passed through at pressure inlet0.4~0.6MPa absolute ethyl alcohol is rinsed 1h to product annulus, the liquid after rinsing is collected, using liquid particles degreeDetector carries out cleanliness factor detection to liquid, and index should be able to meet 50 class requirement in GJB2203A-2005.
(14) by product be placed on temperature be 50~60 DEG C, vacuum be not more than in 3000Pa vacuum drying box dryIt is dry.