CN111876788B - Electroplated copper ball cleaning equipment and cleaning method thereof - Google Patents
Electroplated copper ball cleaning equipment and cleaning method thereof Download PDFInfo
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- CN111876788B CN111876788B CN202010578488.1A CN202010578488A CN111876788B CN 111876788 B CN111876788 B CN 111876788B CN 202010578488 A CN202010578488 A CN 202010578488A CN 111876788 B CN111876788 B CN 111876788B
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/08—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to weight
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- General Chemical & Material Sciences (AREA)
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- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses an electroplating copper ball cleaning device and a cleaning method thereof, wherein the electroplating copper ball cleaning device comprises a rotary cleaning mechanism, a screening mechanism and a recovery mechanism, wherein the rotary cleaning mechanism comprises a cleaning cylinder body and a round shaft, and the cleaning cylinder is provided with an acid-washing rotary cleaning space and a clear water rotary cleaning space; screening mechanism, screening mechanism include the unloading funnel, and the unloading funnel is installed in the bottom of wasing the cylinder body, and the internally mounted of unloading funnel has the separation sieve separator, and the below of unloading funnel is equipped with the copper ball emission machine, and recovery mechanism retrieves the liquid in rotatory cleaning space of pickling and the rotatory cleaning space of clear water. The cleaning method utilizes the cleaning equipment of the electroplated copper ball to clean the electroplated copper ball; according to the electroplating copper ball cleaning equipment and the cleaning method thereof, the electroplating copper balls are efficiently cleaned through the rotary cleaning mechanism, so that the efficiency of cleaning the copper balls and the efficiency of placing the cleaned copper balls are increased, the energy is saved, and the manual burden is reduced.
Description
Technical Field
The invention belongs to the technical field of electroplated copper ball cleaning, and particularly relates to electroplated copper ball cleaning equipment. Meanwhile, the invention also relates to a cleaning method of the electroplating copper ball cleaning equipment.
Background
With the rapid development of electronic technology, the production demand of various circuit boards has increased greatly. The demand of copper as an important raw material of the electroplating anode is greatly increased, wherein a PCB precision circuit board needs phosphor copper balls as the anode. The phosphor copper ball is suitable for electronic circuit boards, especially for important components of high-precision multilayer circuit boards which are indispensable to electronic products, and the phosphor copper ball anode of a high-quality PCB is very depended on as a basic raw material for manufacturing the circuit board. Therefore, the demand of the phosphor-copper anode ball is considerable. If the copper balls used in the electroplating process of the circuit board factory are not cleaned unclean and residual impurities, copper particles can be generated in the copper cylinder, the whole circuit board is scrapped, and great hidden danger is brought to the circuit board.
When the new copper ball is used for the first time, the problems of impurities, an oxide layer and the like can exist on the surface; after a period of use, anode mud is formed on the surface of the copper ball, which brings great hidden danger to the quality of the circuit board, so the copper ball must be cleaned regularly, a great deal of manpower and material resources are needed for each cleaning, the copper ball needs to be cleaned by a mixed solution of sulfuric acid and hydrogen peroxide after being poured out of the titanium basket, and then is washed by a great deal of clear water and then is washed by water. The copper balls are fed in and out, so that the operation action is increased, the cleaning work is heavy, the working efficiency is low, and a large amount of sulfuric acid and hydrogen peroxide are consumed.
Disclosure of Invention
The invention aims to provide electroplating copper ball cleaning equipment and a cleaning method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an electroplated copper ball cleaning device, comprising:
the rotary cleaning mechanism comprises a cleaning cylinder body and a round shaft, the cleaning cylinder body is arranged above the bottom plate through a support, a feeding funnel is arranged at the top of the cleaning cylinder body, an acid cleaning rotary cleaning space and a clear water rotary cleaning space are sequentially arranged in the cleaning cylinder body from top to bottom, and a first switch valve and a second switch valve are respectively arranged at the bottoms of the acid cleaning rotary cleaning space and the clear water rotary cleaning space; the circular shaft vertically penetrates through the first switch valve and the second switch valve, a servo motor for driving the circular shaft is fixedly mounted above the cleaning cylinder body, circular mounting plates are mounted on the outer walls of the circular shaft and located on the upper side and the lower side of the first switch valve, and rotary vanes are welded on the periphery of the circular mounting plates;
the screening mechanism comprises a discharging funnel, the discharging funnel is installed at the bottom of the cleaning cylinder body, a separating screening machine is installed inside the discharging funnel, and a copper ball discharging machine is arranged below the discharging funnel;
and the recovery mechanism is used for recovering the liquid in the pickling rotary cleaning space and the clear water rotary cleaning space.
By adopting the technical scheme: through rotatory wiper mechanism to electroplating copper ball efficient washing, increase the efficiency of wasing the copper ball and put the efficiency of wasing back copper ball, do relevant screening to electroplating copper ball through separation sieve separator screening, weight is not enough can be taken away by separation sieve separator and be used for retrieving, screens electroplating copper ball, collects the back when the washing liquid is too turbid and unify recovery copper, has practiced thrift the energy, alleviates artificial burden.
Preferably, the recycling mechanism comprises a first reflux pump and a second reflux pump, and the first reflux pump and the second reflux pump are respectively communicated with the inside of the pickling rotary cleaning space and the inside of the clean water rotary cleaning space.
By adopting the technical scheme: when the cleaning solution is too turbid, the first reflux pump and the second reflux pump are used for respectively collecting and then uniformly recovering copper, so that the energy is saved.
Preferably, the first switch valve and the second switch valve comprise a left valve clack and a right valve clack, and the joint of the left valve clack and the right valve clack is provided with a sawtooth-shaped protrusion and a sawtooth-shaped groove which are clamped with each other.
By adopting the technical scheme: the sawtooth-shaped protrusions and the sawtooth-shaped grooves are meshed with each other, so that the sealing performance of the first switch valve and the second switch valve when the first switch valve and the second switch valve are closed is improved.
Preferably, a bearing is welded at the joint of the circular shaft and the first switch valve, and a through hole clamped with the bearing is formed in the middle of the first switch valve.
By adopting the technical scheme: the friction between the circular shaft and the first switch valve is reduced through the bearing, and the service life of the circular shaft is prolonged.
Preferably, an exhaust fan is installed inside the copper ball discharging machine, and an air outlet of the exhaust fan is communicated with the titanium blue at the bottom inside the copper ball discharging machine through a pipeline.
By adopting the technical scheme: the air exhauster concentrates on around the unloading funnel bottom, can also blow away copper ball residual moisture, parks through manual control after the extraction, and the pipeline closing door can be opened when opening the air suction, electroplates in the copper ball goes to titanium blue along extending the pipeline in the organism, this device design graceful.
Preferably, the outer wall of the copper ball discharging machine is provided with a strap.
By adopting the technical scheme: the braces are designed, so that a person can directly carry on the braces and then shuttle through equipment such as an electroplating gantry crane or a VCP (virtual vehicle processing) and can be used for adding cleaned copper balls or new copper balls.
Preferably, the first reflux pump with the second reflux pump is all installed in the inside of cask, the blow off pipe is all installed to the bottom of cask, the control valve is all installed to the outer wall of blow off pipe.
By adopting the technical scheme: the liquid is convenient to collect through the barrel, the control valve is opened, the liquid is convenient to discharge, copper is convenient to uniformly recover after the liquid is collected, and energy is saved.
Preferably, the top of the bottom plate is provided with a limiting groove, and the bottom of the copper ball discharging machine is inserted into the limiting groove.
By adopting the technical scheme: the bottom of copper ball discharging machine inserts the inside of spacing recess, has improved the spacing to copper ball discharging machine.
Preferably, the outer wall of the cleaning cylinder body is welded with an arc-shaped reinforcing plate, and the arc-shaped reinforcing plate is welded with the top of the support.
By adopting the technical scheme: the stability of washing cylinder body has been improved.
The invention also provides a cleaning method of the electroplating copper ball cleaning equipment, which comprises the following steps:
s1, adding the electroplated copper balls into the pickling rotary cleaning space through a feeding funnel;
s2, starting a servo motor to drive a circular shaft, a circular mounting plate and a rotary vane to rotate, and carrying out acid washing on the electroplated copper ball by sulfuric acid and hydrogen peroxide in an acid washing rotary cleaning space;
s3, after pickling, starting a first reflux pump to suck out sulfuric acid and hydrogen peroxide in the pickling rotary cleaning space;
s4, opening the first switch valve, enabling the electroplated copper balls to enter the clean water rotary cleaning space, and cleaning with clean water in the clean water rotary cleaning space;
s5, after the clean water is washed, starting a second reflux pump to suck out the water in the clean water rotary washing space;
s6, opening a second switch valve, enabling the electroplated copper balls to fall into the discharging hopper, screening the copper balls through a separation screening machine, carrying out related screening on the copper balls, wherein the copper balls are not heavy enough and can be taken away by the separation screening machine for recycling, and the copper balls can fall into the discharging port again only when the copper balls are heavy enough and finally reach the copper ball discharging machine.
The cleaning equipment and the cleaning method for the electroplated copper balls provided by the invention have the beneficial effects that:
through rotatory wiper mechanism to electroplating copper ball efficient washing, increase the efficiency of wasing the copper ball and put the efficiency of wasing back copper ball, do relevant screening to electroplating copper ball through separation sieve separator screening, weight is not enough can be taken away by separation sieve separator and be used for retrieving, screens electroplating copper ball, collects the back when the washing liquid is too turbid and unify recovery copper, has practiced thrift the energy, alleviates artificial burden.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of a circular shaft according to the present invention;
FIG. 3 is a schematic structural view of a first switching valve of the present invention when closed;
fig. 4 is a schematic structural diagram of the first switching valve of the present invention when opened.
In the figure: 1. a base plate; 101. a limiting groove; 11. a support; 111. an arc-shaped reinforcing plate; 2. cleaning the cylinder body; 21. a first switching valve; 2101. a left valve flap; 2102. a right valve flap; 2103. a sawtooth-shaped bulge; 2104. a sawtooth-shaped groove; 2105. a through hole; 211. pickling and rotating to clean the space; 22. a second on-off valve; 221. clean water rotates to clean the space; 23. a charging hopper; 3. a circular shaft; 31. a circular mounting plate; 311. rotating leaves; 32. a bearing; 4. a discharging hopper; 5. a first reflux pump; 51. a blow-off pipe; 52. a control valve; 6. a second reflux pump; 7. a copper ball discharging machine; 71. an exhaust fan; 72. titanium blue; 73. a harness.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention provides electroplating copper ball cleaning equipment as shown in figures 1-4, which comprises:
as shown in fig. 1-4, the rotary cleaning mechanism comprises a cleaning cylinder 2 and a circular shaft 3, the cleaning cylinder 2 is mounted above the bottom plate 1 through a bracket 11, a feeding funnel 23 is mounted on the top of the cleaning cylinder 2, an acid cleaning rotary cleaning space 211 and a clear water rotary cleaning space 221 are sequentially arranged in the cleaning cylinder 2 from top to bottom, and a first switch valve 21 and a second switch valve 22 are respectively mounted at the bottoms of the acid cleaning rotary cleaning space 211 and the clear water rotary cleaning space 221; the circular shaft 3 vertically penetrates through the first switch valve 21 and the second switch valve 22, a servo motor for driving the circular shaft 3 is fixedly installed above the cleaning cylinder body 2, circular mounting plates 31 are installed on the outer walls of the circular shafts 3 on the upper side and the lower side of the first switch valve 21, rotary vanes 311 are welded on the peripheries of the circular mounting plates 31, and the first switch valve 21, the second switch valve 22, the first switch valve 21 and the second switch valve 22 are all pushed by cylinders hinged with the first switch valve 21 and the second switch valve 22;
as shown in fig. 1 to 3, each of the first switch valve 21 and the second switch valve 22 includes a left valve flap 2101 and a right valve flap 2102, a joint of the left valve flap 2101 and the right valve flap 2102 is provided with a saw-tooth protrusion 2103 and a saw-tooth groove 2104 which are clamped with each other, a bearing 32 is welded at the joint of the circular shaft 3 and the first switch valve 21, a through hole 2105 which is clamped with the bearing 32 is formed in the middle of the first switch valve 21, the saw-tooth protrusion 2103 and the saw-tooth groove 2104 are engaged with each other, so that the sealing performance of the first switch valve 21 and the second switch valve 22 when the first switch valve 21 and the second switch valve 22 are closed is improved, the friction between the circular shaft 3 and the first switch valve 21 is reduced through the bearing 32, and the service life of the circular shaft 3 is prolonged;
as shown in fig. 1, the screening mechanism comprises a discharging funnel 4, the discharging funnel 4 is arranged at the bottom of the cleaning cylinder body 2, a separating screening machine is arranged inside the discharging funnel 4, and a copper ball discharging machine 7 is arranged below the discharging funnel 4; an exhaust fan 71 is arranged in the copper ball discharging machine 7, the air outlet of the exhaust fan 71 is communicated with a titanium basket 72 at the bottom in the copper ball discharging machine 7 through a pipeline, the exhaust fan 71 is concentrated around the bottom of the blanking funnel 4 and can blow away residual moisture of the copper balls, the copper balls are parked through manual control after being extracted, a pipeline closing door is opened when the air is sucked, the electroplated copper balls are conveyed into the titanium basket 72 along the pipeline in the machine body, and the device is attractive in design; the braces 73 are arranged on the outer wall of the copper ball discharging machine 7, the braces 73 are designed, and personnel can directly back on the copper ball discharging machine and shuttle through equipment such as an electroplating gantry crane or a VCP (virtual vehicle platform) and can be used for adding cleaned copper balls or new copper balls; spacing recess 101 has been seted up at the top of bottom plate 1, and the inside of spacing recess 101 is inserted to the bottom of copper ball emission machine 7, has improved spacing to copper ball emission machine 7
As shown in fig. 1, the recovery mechanism retrieves the liquid in pickling rotary cleaning space 211 and clear water rotary cleaning space 221, the recovery mechanism includes first reflux pump 5 and second reflux pump 6, first reflux pump 5 and second reflux pump 6 communicate with the inside in pickling rotary cleaning space 211 and clear water rotary cleaning space 221 respectively, first reflux pump 5 and second reflux pump 6 are all installed in the inside of cask, blow off pipe 51 is all installed to the bottom of cask, control valve 52 is all installed to the outer wall of blow off pipe 51, when the washing liquid is too turbid, through opening first reflux pump 5 and second reflux pump 6 with liquid suction cask in, conveniently collect liquid through the cask, open control valve 52, conveniently discharge liquid, make things convenient for unified copper recovery after the liquid is collected, the energy has been practiced thrift.
The invention also provides a cleaning method of the electroplating copper ball cleaning equipment, which comprises the following steps:
s1, adding the electroplated copper balls into the pickling rotary cleaning space 211 through the feeding funnel 23;
s2, then, the servo motor is started to drive the circular shaft 3, the circular mounting plate 31 and the rotary vane 311 to rotate, and sulfuric acid and hydrogen peroxide in the pickling rotary cleaning space 211 are used for pickling the electroplated copper balls;
s3, after the pickling is finished, starting a first reflux pump 5 to suck out sulfuric acid and hydrogen peroxide in the pickling rotary cleaning space 211;
s4, opening the first switch valve 21, allowing the electroplated copper balls to enter the clean water rotary cleaning space 221, and cleaning with clean water in the clean water rotary cleaning space 221;
s5, after the clean water is washed, starting the second reflux pump 6 to suck out the water in the clean water rotary washing space 221;
s6, opening the second switch valve 22, enabling the electroplated copper balls to fall into the blanking funnel 4, screening the copper balls through the separating and screening machine, wherein the copper balls are not heavy enough and can be taken away by the separating and screening machine for recycling, and the electroplated copper balls can fall to the discharge port again only when the electroplated copper balls are heavy enough, and finally reach the copper ball discharging machine 7.
Compared with the prior art, the cleaning machine has the advantages that the electroplating copper balls are efficiently cleaned through the rotary cleaning mechanism, the efficiency of cleaning the copper balls is increased, the efficiency of placing the cleaned copper balls is increased, the electroplating copper balls are screened through the separation screening machine, the weight is insufficient, the electroplating copper balls can be taken away by the separation screening machine to be recycled, the electroplating copper balls are screened, copper is uniformly recycled after the cleaning liquid is collected when the cleaning liquid is too turbid, the energy is saved, and the manual burden is reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an electroplating copper ball cleaning equipment which characterized in that includes:
the rotary cleaning mechanism comprises a cleaning cylinder body and a round shaft, the cleaning cylinder body is arranged above the bottom plate through a support, a feeding funnel is arranged at the top of the cleaning cylinder body, an acid cleaning rotary cleaning space and a clear water rotary cleaning space are sequentially arranged in the cleaning cylinder body from top to bottom, and a first switch valve and a second switch valve are respectively arranged at the bottoms of the acid cleaning rotary cleaning space and the clear water rotary cleaning space; the circular shaft vertically penetrates through the first switch valve and the second switch valve, a servo motor for driving the circular shaft is fixedly mounted above the cleaning cylinder body, circular mounting plates are mounted on the outer walls of the circular shaft and located on the upper side and the lower side of the first switch valve, and rotary vanes are welded on the periphery of the circular mounting plates;
the screening mechanism comprises a discharging funnel, the discharging funnel is installed at the bottom of the cleaning cylinder body, a separating screening machine is installed inside the discharging funnel, and a copper ball discharging machine is arranged below the discharging funnel;
a recovery mechanism that recovers the liquid in the pickling rotary cleaning space and the clear water rotary cleaning space;
the recycling mechanism comprises a first reflux pump and a second reflux pump, and the first reflux pump and the second reflux pump are respectively communicated with the interiors of the pickling rotary cleaning space and the clear water rotary cleaning space;
the first switch valve and the second switch valve respectively comprise a left valve clack and a right valve clack, and the joint of the left valve clack and the right valve clack is provided with a sawtooth-shaped bulge and a sawtooth-shaped groove which are mutually clamped;
the welding of circle axle with first switching valve looks junction has the bearing, the middle part of first switching valve offer with the through-hole of bearing block.
2. The electroplated copper ball cleaning equipment of claim 1, characterized in that: an exhaust fan is installed inside the copper ball discharging machine, and an air outlet of the exhaust fan is communicated with the titanium blue at the bottom inside the copper ball discharging machine through a pipeline.
3. The electroplated copper ball cleaning equipment as recited in claim 2, wherein: and the outer wall of the copper ball discharging machine is provided with a strap.
4. The electroplated copper ball cleaning equipment of claim 3, characterized in that: the first reflux pump with the second reflux pump is all installed in the inside of cask, the blow off pipe is all installed to the bottom of cask, the control valve is all installed to the outer wall of blow off pipe.
5. The electroplated copper ball cleaning equipment of claim 1, characterized in that: the top of the bottom plate is provided with a limiting groove, and the bottom of the copper ball discharging machine is inserted into the limiting groove.
6. The electroplated copper ball cleaning equipment of claim 1, characterized in that: the outer wall welding of wasing the cylinder body has the arc gusset plate, the arc gusset plate with the top welding of support.
7. The cleaning method of the electroplated copper ball cleaning equipment as recited in claim 1, characterized in that: the method specifically comprises the following steps:
s1, adding the electroplated copper balls into the pickling rotary cleaning space through a feeding funnel;
s2, starting a servo motor to drive a circular shaft, a circular mounting plate and a rotary vane to rotate, and carrying out acid washing on the electroplated copper ball by sulfuric acid and hydrogen peroxide in an acid washing rotary cleaning space;
s3, after pickling, starting a first reflux pump to suck out sulfuric acid and hydrogen peroxide in the pickling rotary cleaning space;
s4, opening the first switch valve, enabling the electroplated copper balls to enter the clean water rotary cleaning space, and cleaning with clean water in the clean water rotary cleaning space;
s5, after the clean water is washed, starting a second reflux pump to suck out the water in the clean water rotary washing space;
s6, opening a second switch valve, enabling the electroplated copper balls to fall into the discharging hopper, screening the copper balls through a separation screening machine, carrying out related screening on the copper balls, wherein the copper balls are not heavy enough and can be taken away by the separation screening machine for recycling, and the copper balls can fall into the discharging port again only when the copper balls are heavy enough and finally reach the copper ball discharging machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010578488.1A CN111876788B (en) | 2020-06-23 | 2020-06-23 | Electroplated copper ball cleaning equipment and cleaning method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010578488.1A CN111876788B (en) | 2020-06-23 | 2020-06-23 | Electroplated copper ball cleaning equipment and cleaning method thereof |
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| Publication Number | Publication Date |
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| CN111876788A CN111876788A (en) | 2020-11-03 |
| CN111876788B true CN111876788B (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010578488.1A Active CN111876788B (en) | 2020-06-23 | 2020-06-23 | Electroplated copper ball cleaning equipment and cleaning method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000054199A (en) * | 1998-07-30 | 2000-02-22 | Mitsubishi Materials Corp | Production of copper or copper alloy ball for plating anode electrode |
| CN103614735A (en) * | 2013-11-25 | 2014-03-05 | 广东依顿电子科技股份有限公司 | Electroplated copper ball washing device |
| CN106694455A (en) * | 2016-12-27 | 2017-05-24 | 重庆岷龙机械制造有限公司 | Use method of steel ball cleaning screening device |
| CN207244002U (en) * | 2017-08-02 | 2018-04-17 | 无锡市力达金属制品有限公司 | One kind plating copper ball cleaning device |
| CN109499841A (en) * | 2018-12-03 | 2019-03-22 | 上海展华电子有限公司 | A kind of full-automatic planer wire type copper ball screening cleaning line |
-
2020
- 2020-06-23 CN CN202010578488.1A patent/CN111876788B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000054199A (en) * | 1998-07-30 | 2000-02-22 | Mitsubishi Materials Corp | Production of copper or copper alloy ball for plating anode electrode |
| CN103614735A (en) * | 2013-11-25 | 2014-03-05 | 广东依顿电子科技股份有限公司 | Electroplated copper ball washing device |
| CN106694455A (en) * | 2016-12-27 | 2017-05-24 | 重庆岷龙机械制造有限公司 | Use method of steel ball cleaning screening device |
| CN207244002U (en) * | 2017-08-02 | 2018-04-17 | 无锡市力达金属制品有限公司 | One kind plating copper ball cleaning device |
| CN109499841A (en) * | 2018-12-03 | 2019-03-22 | 上海展华电子有限公司 | A kind of full-automatic planer wire type copper ball screening cleaning line |
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| CN111876788A (en) | 2020-11-03 |
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