CN105290038B - The hydrocarbon cleaning method of cell phone appearance part - Google Patents
The hydrocarbon cleaning method of cell phone appearance part Download PDFInfo
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- CN105290038B CN105290038B CN201510756070.4A CN201510756070A CN105290038B CN 105290038 B CN105290038 B CN 105290038B CN 201510756070 A CN201510756070 A CN 201510756070A CN 105290038 B CN105290038 B CN 105290038B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The present invention relates to a kind of hydrocarbon cleaning methods of cell phone appearance part, include: first time rinse operation under vacuum environment, second of rinse operation, cut water operation, hydrocarbon cleaning operation and cut water and vacuum drying operation, and to take out the cleaning hanger for being mounted with product, product cooling and take out product.The hydrocarbon cleaning method of above-mentioned cell phone appearance part is used in combination using environment-friendly cleaning agent, hydrocarbon dehydrating agent and agent for carbon hydrogen detergent, and substitution traditional clear water rinsing process substantially reduces quantity of wastewater effluent；Using vacuum drying, reduces solvent boiling point, reduces product drying time, raising efficiency；It is cleaned under vacuum environment, activates product surface, reduce cleaning dead angle, made product cleaning more comprehensively, improve the working efficiency and yields of cleaning.
Description
Technical field
The present invention relates to mobile phone manufacturing process, more particularly to a kind of hydrocarbon cleaning method of cell phone appearance part.
Background technique
Cell phone appearance part, such as front cover, center and the rear cover of mobile phone need in its production process to mobile phone appearance member
Carry out bloom chamfer machining.And after bloom chamfer machining, it is cleaned, the method processing of hydrocarbon cleaning is usually used.
The hydrocarbon cleaning method of traditional cell phone appearance part is mainly arranged multiple rinse baths, loads in each rinse bath
The liquid of cleaning.Product is put into rinse bath and is rinsed according to pre-set order by worker, completes all clear
After the rinse operation of washing trough, dried.The shortcomings that this cleaning method is that rinse use is the mixing of medicament and clear water
Solution can generate a large amount of sewage in rinse cycle, cause blowdown flow rate big；Agent for carbon hydrogen detergent is liable to stick to product after rinsing
On, under normal temperature and pressure environment, boiling point is high, it is not easy to evaporate, need longer drying time, reduce working efficiency.
Summary of the invention
Based on this, a kind of hydrocarbon cleaning method for the cell phone appearance part that blowdown is few and work efficiency is high is provided.
A kind of hydrocarbon cleaning method of cell phone appearance part, comprising steps of
Step 1: the cleaning hanger that will be mounted with product moves into No. 1 purge chamber and carries out first time rinse operation, and described No. 1
It is equipped with No. 1 tank in purge chamber, the aqueous solution of environment-friendly cleaning agent is filled in No. 1 tank；The first time rinse operation packet
It includes: the cleaning hanger for being mounted with product being immersed in No. 1 tank and is rinsed, in rinse cycle, fluctuate the dress
It is loaded with the cleaning hanger of product, and is vacuumized and entered gas disposal to No. 1 purge chamber；
Step 2: the cleaning hanger for being mounted with product is moved to No. 2 purge chambers from No. 1 purge chamber and is carried out second
Rinse operation is equipped with No. 2 tanks in No. 2 purge chambers, the aqueous solution of environment-friendly cleaning agent is filled in No. 2 tanks；It is described
Second of rinse operation includes: that the cleaning hanger for being mounted with product is immersed in No. 2 tanks to rinse, in rinse cycle
In, fluctuate it is described be mounted with the cleaning hanger of product, and vacuumized and entered gas disposal to No. 2 purge chambers；
Step 3: the cleaning hanger for being mounted with product is moved to No. 3 purge chambers from No. 2 purge chambers and carries out cutting water work
Industry is equipped with No. 3 tanks in No. 3 purge chambers, fills hydrocarbon dehydrating agent in No. 3 tanks；It is described cut water operation include: by
The cleaning hanger for being mounted with product, which is immersed in, to carry out cutting water in No. 3 tanks, and during cutting water, fluctuating described is mounted with production
The cleaning hanger of product, and gas disposal is vacuumized and entered to No. 3 purge chambers；
Step 4: by the cleaning hanger for being mounted with product from No. 3 purge chambers be moved to No. 4 purge chambers carry out it is hydrocarbon clear
Operation is washed, No. 4 tanks are equipped in No. 4 purge chambers, fill agent for carbon hydrogen detergent in No. 4 tanks；The hydrocarbon cleaning is made
Industry includes: that the cleaning hanger for being mounted with product is immersed in No. 4 tanks to clean, and in the process of cleaning, fluctuate institute
The cleaning hanger for being mounted with product is stated, and is vacuumized and entered gas disposal to No. 4 purge chambers；
Step 5: by the cleaning hanger for being mounted with product from No. 4 purge chambers be moved to No. 5 purge chambers cut water and
It is dried in vacuo operation；It is described cut water vacuum drying operation include: by the cleaning hanger for being mounted with product hang on it is described No. 5 cleaning
In room, in process of vacuum drying, rock from side to side the cleaning hanger for being mounted with product, and to No. 5 purge chambers into
Row vacuumizes, agent for carbon hydrogen detergent steam bath is washed, pressure maintaining, again vacuumize process；
Step 6: the cleaning hanger for being mounted with product is removed from No. 5 purge chambers, and waits product cold
But；
Step 7: product is taken off from the cleaning hanger.
The hydrocarbon cleaning method of above-mentioned cell phone appearance part, using environment-friendly cleaning agent, hydrocarbon dehydrating agent and agent for carbon hydrogen detergent
It is used in combination, substitution traditional clear water rinsing process substantially reduces quantity of wastewater effluent；Using vacuum drying, reduce solvent boiling point,
Reduce product drying time, raising efficiency；It is cleaned under vacuum environment, activates product surface, reduced cleaning dead angle, make to produce
Product clean more comprehensively, improve the working efficiency and yields of cleaning.
Detailed description of the invention
Fig. 1 is the flow diagram of the hydrocarbon cleaning method of cell phone appearance part of the invention.
Specific embodiment
To further understand the features of the present invention, technological means and specific purposes achieved, function, parse this hair
Bright advantage and spirit, is further understood detailed description of the invention by below in conjunction with attached drawing and specific embodiment.
Attached drawing 1 is referred to, is the flow diagram of the hydrocarbon cleaning method of cell phone appearance part of the invention.
A kind of hydrocarbon cleaning method of cell phone appearance part, comprising steps of
Step 1: the cleaning hanger that will be mounted with product moves into No. 1 purge chamber and carries out first time rinse operation, and described No. 1
It is equipped with No. 1 tank in purge chamber, the aqueous solution of environment-friendly cleaning agent is filled in No. 1 tank；The first time rinse operation packet
It includes: the cleaning hanger for being mounted with product being immersed in No. 1 tank and is rinsed, in rinse cycle, fluctuate the dress
It is loaded with the cleaning hanger of product, and is vacuumized and entered gas disposal to No. 1 purge chamber.Environment-friendly cleaning agent choosing in this step
With water-soluble environment-friendly cleaning agent, needs and clear water is mixed into aqueous solution with certain proportion and uses, be used for rinse products.Cleaning
Hanger selects the material that do not react with medicament any in cleaning process, such as can select encapsulated blue hanger.Fluctuate be for
It allows product to contact to a greater extent with medicament, notices that product cannot be deviate from from cleaning hanger during shaking.
Step 2: the cleaning hanger for being mounted with product is moved to No. 2 purge chambers from No. 1 purge chamber and is carried out second
Rinse operation is equipped with No. 2 tanks in No. 2 purge chambers, the aqueous solution of environment-friendly cleaning agent is filled in No. 2 tanks；It is described
Second of rinse operation includes: that the cleaning hanger for being mounted with product is immersed in No. 2 tanks to rinse, in rinse cycle
In, fluctuate it is described be mounted with the cleaning hanger of product, and vacuumized and entered gas disposal to No. 2 purge chambers.
The cleaning agent selected in this step is still environment-friendly cleaning agent, but its concentration is low compared with the drug concentration of step 1, close to clearly
Water state after secondary rinsing, while also washing away most of environment-friendly cleaning agent being attached on product in step 1.
Step 3: the cleaning hanger for being mounted with product is moved to No. 3 purge chambers from No. 2 purge chambers and carries out cutting water work
Industry is equipped with No. 3 tanks in No. 3 purge chambers, fills hydrocarbon dehydrating agent in No. 3 tanks；It is described cut water operation include: by
The cleaning hanger for being mounted with product, which is immersed in, to carry out cutting water in No. 3 tanks, and during cutting water, fluctuating described is mounted with production
The cleaning hanger of product, and gas disposal is vacuumized and entered to No. 3 purge chambers.Hydrocarbon dehydrating agent in this step is used
In cutting water, namely dehydration, because introducing moisture content in step 1 and step 2, need to exclude moisture.
It should be noted that in some embodiments, two No. 3 purge chambers can be set, as the purge chamber 3-1 and 3-2 are clear
Chamber wash, when product the purge chamber 3-1 complete for the first time cut water operation after, be moved to the purge chamber 3-2 and cut water operation for the second time,
To improve the effect for cutting water.
Step 4: by the cleaning hanger for being mounted with product from No. 3 purge chambers be moved to No. 4 purge chambers carry out it is hydrocarbon clear
Operation is washed, No. 4 tanks are equipped in No. 4 purge chambers, fill agent for carbon hydrogen detergent in No. 4 tanks；The hydrocarbon cleaning is made
Industry includes: that the cleaning hanger for being mounted with product is immersed in No. 4 tanks to clean, and in the process of cleaning, fluctuate institute
The cleaning hanger for being mounted with product is stated, and is vacuumized and entered gas disposal to No. 4 purge chambers.Hydrocarbon cleaning operation is washed
As the conventional cleaning after product bloom chamfer machining, belong to indispensable process.
It should be noted that in some embodiments, two No. 4 purge chambers can be set, as the purge chamber 4-1 and 4-2 are clear
Chamber wash, when product is after the purge chamber 4-1 completes the operation of first time hydrocarbon cleaning, being moved to the purge chamber 4-2, to carry out second hydrocarbon
Washing and cleaning operation, to improve the effect of hydrocarbon cleaning.
Step 5: by the cleaning hanger for being mounted with product from No. 4 purge chambers be moved to No. 5 purge chambers cut water and
It is dried in vacuo operation；It is described cut water vacuum drying operation include: by the cleaning hanger for being mounted with product hang on it is described No. 5 cleaning
In room, in process of vacuum drying, rock from side to side the cleaning hanger for being mounted with product, and to No. 5 purge chambers into
Row vacuumizes, agent for carbon hydrogen detergent steam bath is washed, pressure maintaining, again vacuumize process.Steam bath, which is washed, is conducive to allow medicament to a greater extent
Contact product.
It should be noted that step 1 to step 5 has been all made of vacuum environment, and the purpose is to: medicament is in vacuum environment
Boiling point reduce, after cleaning, medicament is more easier to evaporate, and reduces attachment residue on product.And by setting
It sets gas and is distilled to recover system, medicament can be recycled, be further reduced blowdown.
Step 6: the cleaning hanger for being mounted with product is removed from No. 5 purge chambers, and waits product cold
But.
Step 7: product is taken off from the cleaning hanger.
Wherein, the concentration of the aqueous solution of the environment-friendly cleaning agent in No. 1 tank is 7%~9%, temperature is 65 DEG C~75
℃；The concentration of the aqueous solution of environment-friendly cleaning agent in No. 2 tanks is 0.5%~1.5%, temperature is 60 DEG C~70 DEG C；Institute
The hydrocarbon dehydrating agent in No. 3 tanks is stated to be pure hydrocarbon dehydrating agent and be room temperature；The temperature of agent for carbon hydrogen detergent in No. 5 tanks
It is 40 DEG C~50 DEG C.For example, in the present embodiment, the concentration of the aqueous solution of the environment-friendly cleaning agent in No. 1 tank is 8%,
Temperature is 70 DEG C；The concentration of the aqueous solution of environment-friendly cleaning agent in No. 2 tanks is 1%, temperature is 65 DEG C；No. 3 appearances
Hydrocarbon dehydrating agent in slot is pure hydrocarbon dehydrating agent and is room temperature；The temperature of agent for carbon hydrogen detergent in No. 4 tanks is 45
℃。
In some embodiments, multiple mutually independent hothouses can be set in No. 5 purge chambers in the step 5.Example
Such as, in this embodiment, No. 5 purge chambers in the step 5 include mutually independent first hothouse and secondary drying chamber, institute
It states that the first hothouse is identical with the structure of the secondary drying chamber, and is used to receive No. 4 purge chambers and transfers the institute to come
It states the cleaning hanger for being mounted with product and carries out cutting water and vacuum drying operation.When the product of processing is more, due to step 4
Time it is slightly shorter than step 5, therefore, be arranged two hothouses can the product complete to hydrocarbon cleaning shunt, a batch is the
Water and vacuum drying operation are cut in one hothouse, another batch is cut water and vacuum drying operation in secondary drying chamber, is avoided a large amount of
Product overloading improves working efficiency in step 5.
Wherein, fluctuate frequency of the step 1 into step 4 is 25Hz~35Hz.For example, in the present embodiment
In, fluctuate frequency of the step 1 into step 4 is 30Hz.
Wherein, the first time rinse operation, second of rinse operation and the duration for cutting water operation are equal
For 110s~130s, the duration of the hydrocarbon cleaning operation is 80s~100s, the cooling can for natural cooling or
Artificial cooling, if natural cooling, then the time of the cooling is 150s~210s.For example, in the present embodiment, described first
Secondary rinse operation, second of rinse operation, the first time cuts water operation and the duration for cutting water operation is
120s, the duration of the hydrocarbon cleaning operation are 90s, and the time of natural cooling is 180s.
Wherein, the vacuum degree of the place's of vacuumizing processing in the first time rinse operation is set as -35KPa~-25KPa,
Second of rinse operation, the vacuumize process for cutting water operation and the first time hydrocarbon cleaning operation vacuum degree want
Ask as -95KPa~-85KPa, the vacuum level requirements of the vacuumize process of second of hydrocarbon cleaning operation be -18KPa~-
28KPa (if setting hydrocarbon cleaning operation only carries out once, namely only first time hydrocarbon cleaning operation, then can be ignored herein
Setting), the vacuum level requirements of the vacuumize process cut water and be dried in vacuo operation are -83KPa~-93KPa.For example,
In the present embodiment, the vacuum degree of the vacuumize process in the first time rinse operation is set as -30KPa, second of drift
Wash operation, the vacuumize process for cutting water operation and the first time hydrocarbon cleaning operation vacuum level requirements be -90KPa,
The vacuum level requirements of the vacuumize process of second of hydrocarbon cleaning operation be -23KPa (if setting hydrocarbon cleaning operation only into
Row is primary, namely only first time hydrocarbon cleaning operation, then setting herein can be ignored), it is described to cut water and vacuum drying operation
Vacuumize process vacuum level requirements be -88KPa.
Wherein, the step 1 vacuumizing into step 4 and enter gas disposal include: extract gas build vacuum environment,
Vacuum state 5s~15s is maintained, input gas adjusts air pressure to atmospheric pressure environment, maintains normal pressure state 2s~4s, circulation vacuumizes
With enter gas several times.For example, in embodiment, the step 1 vacuumizing into step 4 and to enter gas disposal include: to extract
Gas builds vacuum environment, maintains vacuum state 10s, and input gas adjustment air pressure to atmospheric pressure environment maintains normal pressure state 3s, with
Vacuumizing and entering gas is a duty cycle, circulating repetition duty cycle 9 times, finally maintains normal pressure 3s, whole process one again
120s is maintained altogether.
Wherein, it is vacuumized in the step 5, agent for carbon hydrogen detergent steam bath is washed, pressure maintaining, vacuumize process includes: to extract again
Gas builds vacuum environment, and persistently input agent for carbon hydrogen detergent steam 20s~30s bathe to product and be washed, after pressure maintaining 10s~20s,
Take the agent for carbon hydrogen detergent steam away construction vacuum environment again, standing 110s~130s waiting is attached to hydrocarbon clear on product
Lotion voluntarily evaporates.For example, in the present embodiment, vacuumized in the step 5, agent for carbon hydrogen detergent steam bath is washed, pressure maintaining, again
Vacuumize process includes: to extract gas to build vacuum environment, and persistently input agent for carbon hydrogen detergent steam 25s bathe to product and be washed,
It after pressure maintaining 15s, then takes the agent for carbon hydrogen detergent steam away construction vacuum environment, stands 120s and wait the carbon being attached on product
Hydrogen cleaning agent voluntarily evaporates.
Wherein, the number that the agent for carbon hydrogen detergent steam bath is washed is primary or multiple.For example, in the present embodiment, institute
Stating the number that agent for carbon hydrogen detergent steam bath is washed is twice.
Wherein, the step 1 into step 8 described in be mounted with the cleaning hanger of product to pass through manipulator mobile.This
Outside, in some embodiments, after product is loaded in cleaning hanger, the cleaning hanger for being mounted with product is placed on conveyer belt
On, it is transported at manipulator crawl by conveyer belt.
The hydrocarbon cleaning method of above-mentioned cell phone appearance part, using environment-friendly cleaning agent, hydrocarbon dehydrating agent and agent for carbon hydrogen detergent
It is used in combination, substitution traditional clear water rinsing process substantially reduces quantity of wastewater effluent；Using vacuum drying, reduce solvent boiling point,
Reduce product drying time, raising efficiency；It is cleaned under vacuum environment, activates product surface, reduced cleaning dead angle, make to produce
Product clean more comprehensively, improve the working efficiency and yields of cleaning.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and 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 protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (7)
1. a kind of hydrocarbon cleaning method of cell phone appearance part, which comprises the following steps:
Step 1: the cleaning hanger for being mounted with product is moved into No. 1 purge chamber and carries out first time rinse operation, No. 1 cleaning
Interior is equipped with No. 1 tank, and the aqueous solution of environment-friendly cleaning agent is filled in No. 1 tank；The first time rinse operation include: by
The cleaning hanger for being mounted with product, which is immersed in No. 1 tank, to be rinsed, and in rinse cycle, fluctuating described is mounted with production
The cleaning hanger of product, and gas disposal is vacuumized and entered to No. 1 purge chamber；Environment protection cleaning in No. 1 tank
The concentration of the aqueous solution of agent is 7%~9%, temperature is 65 DEG C~75 DEG C；
Step 2: the cleaning hanger for being mounted with product is moved to No. 2 purge chambers from No. 1 purge chamber and carries out second of rinsing
Operation is equipped with No. 2 tanks in No. 2 purge chambers, the aqueous solution of environment-friendly cleaning agent is filled in No. 2 tanks；Described second
Secondary rinse operation includes: that the cleaning hanger for being mounted with product is immersed in No. 2 tanks to rinse, in rinse cycle, on
It is mounted with the cleaning hanger of product described in lower shake, and is vacuumized and entered gas disposal to No. 2 purge chambers；Described 2
The concentration of the aqueous solution of environment-friendly cleaning agent in number tank is 0.5%~1.5%, temperature is 60 DEG C~70 DEG C；
Step 3: being moved to No. 3 purge chambers from No. 2 purge chambers for the cleaning hanger for being mounted with product and carry out cutting water operation,
It is equipped with No. 3 tanks in No. 3 purge chambers, fills hydrocarbon dehydrating agent in No. 3 tanks；It is described that cut water operation include: that will fill
The cleaning hanger for being loaded with product, which is immersed in, to carry out cutting water in No. 3 tanks, and during cutting water, fluctuating described is mounted with product
Cleaning hanger, and vacuumized and entered gas disposal to No. 3 purge chambers；The hydrocarbon dehydrating agent of No. 3 tanks is pure
Hydrocarbon dehydrating agent and be room temperature；
Step 4: the cleaning hanger for being mounted with product is moved to No. 4 purge chambers from No. 3 purge chambers and carries out hydrocarbon cleaning work
Industry is equipped with No. 4 tanks in No. 4 purge chambers, fills agent for carbon hydrogen detergent in No. 4 tanks；The hydrocarbon cleaning operation packet
It includes: the cleaning hanger for being mounted with product being immersed in No. 4 tanks and is cleaned, in the process of cleaning, fluctuate the dress
It is loaded with the cleaning hanger of product, and is vacuumized and entered gas disposal to No. 4 purge chambers；Carbon in No. 4 tanks
The temperature of hydrogen cleaning agent is 40 DEG C~50 DEG C；
Step 5: the cleaning hanger for being mounted with product is moved to No. 5 purge chambers from No. 4 purge chambers and carries out cutting water and vacuum
Drying operation；It is described cut water vacuum drying operation include: that the cleaning hanger for being mounted with product is hung on into No. 5 purge chambers
In, in process of vacuum drying, rock from side to side the cleaning hanger for being mounted with product, and carries out to No. 5 purge chambers
It vacuumizes, agent for carbon hydrogen detergent steam bath is washed, pressure maintaining, again vacuumize process；
Step 6: the cleaning hanger for being mounted with product is removed from No. 5 purge chambers, and waits product cooling；
Step 7: product is taken off from the cleaning hanger；
The step 1 vacuumizing into step 4 and enter gas disposal include: extract gas build vacuum environment, maintain vacuum
State 5s~15s, input gas adjust air pressure to atmospheric pressure environment, normal pressure state 2s~4s are maintained, if circulation vacuumizes and enter gas
Dry time.
2. the hydrocarbon cleaning method of cell phone appearance part according to claim 1, which is characterized in that 5 in the step 5
Number purge chamber includes mutually independent first hothouse and secondary drying chamber, first hothouse and the secondary drying chamber
Structure is identical, and is used to receive that No. 4 purge chambers transfer comes described be mounted with the cleaning hanger of product and cut
Water and vacuum drying operation.
3. the hydrocarbon cleaning method of cell phone appearance part according to claim 1, which is characterized in that the step 1 to step
The frequency that fluctuates in four is 25Hz~35Hz.
4. the hydrocarbon cleaning method of cell phone appearance part according to claim 1, which is characterized in that the first time rinsing is made
Industry, second of rinse operation and the duration for cutting water operation are 110s~130s, the hydrocarbon cleaning operation
Duration be 80s~100s, it is described to be cooled to natural cooling or artificial cooling, if natural cooling, then the natural cooling
Time be 150s~210s.
5. the hydrocarbon cleaning method of cell phone appearance part according to claim 1, which is characterized in that the first time rinsing is made
The vacuum degree of vacuumize process in industry is set as -35KPa~-25KPa, and second of rinse operation described cuts water operation
Vacuum level requirements with the vacuumize process of the hydrocarbon cleaning operation are -95KPa~-85KPa, described to cut water and vacuum drying
The vacuum level requirements of the vacuumize process of operation are -83KPa~-93KPa.
6. the hydrocarbon cleaning method of cell phone appearance part according to claim 1, which is characterized in that taken out in the step 5 true
Empty, agent for carbon hydrogen detergent steam bath is washed, pressure maintaining, vacuumize process includes: and extracts gas to build vacuum environment again, is persistently inputted hydrocarbon
Cleaning agent steam 20s~30s carries out bath to product and washes, and after pressure maintaining 10s~20s, then takes the agent for carbon hydrogen detergent steam away battalion
Vacuum environment is made, 110s~130s is stood and the agent for carbon hydrogen detergent being attached on product is waited voluntarily to evaporate.
7. the hydrocarbon cleaning method of cell phone appearance part according to claim 1, which is characterized in that the agent for carbon hydrogen detergent steams
The number that vapour bath is washed is primary or multiple.
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| CN201510756070.4A CN105290038B (en) | 2015-11-06 | 2015-11-06 | The hydrocarbon cleaning method of cell phone appearance part |
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| CN201510756070.4A CN105290038B (en) | 2015-11-06 | 2015-11-06 | The hydrocarbon cleaning method of cell phone appearance part |
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| CN105290038B true CN105290038B (en) | 2019-01-25 |
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| CN109647777B (en) * | 2018-12-31 | 2021-08-10 | 无锡新弘田环保技术有限公司 | Composite precise cleaning process |
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| CN201720215U (en) * | 2010-07-01 | 2011-01-26 | 苏州工业园区新凯精密五金有限公司 | Non-scraps cleaning device for blind hole internal screw threads |
| CN102505133A (en) * | 2011-09-29 | 2012-06-20 | 东莞市新球清洗科技有限公司 | Process for carrying out vacuum cleaning, oil removal and wax removal by modified hydrocarbon cleaner |
| CN203599142U (en) * | 2013-12-11 | 2014-05-21 | 深圳市鑫承诺科技有限公司 | Hydrocarbon solution dehydration device |
| CN203610369U (en) * | 2013-12-18 | 2014-05-28 | 常熟市天河机械设备制造有限公司 | Five-groove rotation type hydrocarbon washing machine |
| CN203778397U (en) * | 2014-03-12 | 2014-08-20 | 张家港市港威超声电子有限公司 | Hydrocarbon cleaning equipment for bearing parts |
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