CN110153642A - A kind of phosphorous copper balls and its processing method - Google Patents
A kind of phosphorous copper balls and its processing method Download PDFInfo
- Publication number
- CN110153642A CN110153642A CN201810279568.XA CN201810279568A CN110153642A CN 110153642 A CN110153642 A CN 110153642A CN 201810279568 A CN201810279568 A CN 201810279568A CN 110153642 A CN110153642 A CN 110153642A
- Authority
- CN
- China
- Prior art keywords
- mold
- copper balls
- phosphorous copper
- tringle
- phosphor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D30/00—Cooling castings, not restricted to casting processes covered by a single main group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/10—Electrodes, e.g. composition, counter electrode
- C25D17/12—Shape or form
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/38—Electroplating: Baths therefor from solutions of copper
Abstract
The invention discloses a kind of phosphorous copper balls, including phosphorous copper balls ontology, first processing mold and the second processing mold, the phosphorous copper balls body interior is equipped with hollow groove, the phosphorous copper balls body outer wall is equipped with arc groove, the hollow groove inner wall is equipped with arc convex, first processing mold includes outer mold and interior tringle, groove is equipped with inside the outer mold and interior tringle, second processing mold includes upper mold and lower mold, the upper mold and lower mould inner wall are equipped with the first shaped face, the upper mold bottom and lower die top are equipped with tringle, the tringle outer wall is equipped with the second shaped face, the upper mold, ventilation slot is equipped with inside lower mold and tringle.The present invention passes through the phosphor-copper outer surface of ball multiple arcs groove being arranged and the arc convex of hollow groove inner wall setting, increase entire phosphorous copper balls external surface area, copper ion release area is big, increases the utilization rate of phosphorous copper balls, and it is excessive that the quality of entire phosphorous copper balls will not be made to lower.
Description
Technical field
The present invention relates to phosphorous copper balls and its processing method field, in particular to a kind of phosphorous copper balls and its processing method.
Background technique
Anodic phosphorous copper balls are the main plated materials in copper-plating technique, are the roots that copper ion generates.Existing plating is used
Phosphorous copper balls be all solid shape phosphorous copper balls.The phosphorous copper balls of solid shape be electroplated use when be easy to appear following problems: 1, copper from
Son can only be released from the surface of phosphorous copper balls;2, generate the earth of positive pole be easy by the surface for being covered on phosphorous copper balls with prevent copper from
Son release, reduces the utilization rate of phosphorous copper balls, and waste is serious;3, due to being solid shape, the heavier mass of phosphorous copper balls, higher cost.
But it is directly made into the weight that hollow shape has been reduced by phosphorous copper balls, and copper ion is reduced to be equivalent to, service life reduces, and
And how much the release area of copper ion does not have expansion yet.
Therefore, a kind of phosphorous copper balls are invented and its processing method is necessary to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of phosphorous copper balls and its processing methods, mentioned above in the background art to solve
Problem.
To achieve the above object, the invention provides the following technical scheme: a kind of phosphorous copper balls, including phosphorous copper balls ontology, first
Processing mold and the second processing mold, the phosphorous copper balls body interior are equipped with hollow groove, and the phosphorous copper balls body outer wall is equipped with arc
Connected in star, the hollow groove inner wall are equipped with arc convex, and first processing mold includes outer mold and interior tringle, the external mold
Groove is equipped with inside tool and interior tringle, second processing mold includes upper mold and lower mold, and the upper mold is under
Mould inner wall is equipped with the first shaped face, and the upper mold bottom and lower die top are equipped with tringle, the tringle outer wall
Equipped with the second shaped face, ventilation slot is equipped with inside the upper mold, lower mold and tringle.
Preferably, the arc groove and arc convex are disposed as multiple and circular array and are distributed in phosphorous copper balls ontology
Outer wall and hollow groove inner wall.
Preferably, the outer mold and interior tringle are disposed as tubulose, and it is straight that the outer mold internal diameter is equal to phosphorous copper balls ontology
Diameter, the internal model shank diameter are equal to hollow groove diameter.
Preferably, the upper mold and lower mold are disposed as ball-type.
Preferably, first shaped face matches with phosphorous copper balls body outer wall and arc groove, second shaped face
It matches with hollow groove inner wall and arc convex.
The present invention also provides a kind of phosphorous copper balls processing method, concrete operation steps are as follows:
Step 1: preparing P-Cu mother alloy and copper raw material, and P-Cu mother alloy and copper raw material are produced into melting by being heated at high temperature
Phosphor-copper solution temperature is maintained at 1000-1500 DEG C by state;
Step 2: phosphor-copper solution obtained in step 1 is injected in the first processing mold, the setting energy of outer mold and interior tringle
The phosphor-copper bar for enough producing hollow cylindrical cools down phosphor-copper bar, and cold then by being passed through cold wind into groove
But reach half curdled appearance to phosphor-copper bar;
Step 3: the phosphor-copper bar of half curdled appearance obtained in step 2 is squeezed out by drawing, is then quickly cut through cutting machine
It is cut into the phosphor-copper rod segment of appropriate length;
Step 4: by phosphor-copper rod segment obtained in step 3 be quickly placed into upper mold in the second processing mold and lower mold it
Between, then the tringle in upper mold and lower mold is inserted into the hollow groove in phosphor-copper rod segment, processing is carried out and prepares;
Step 5: quickly pressing upper mold and lower mold are opposite, make the phosphor-copper rod segment of half curdled appearance squeeze and with it is first different
Shape face and the second shaped face fit, the die cavity that is bonded it completely in upper mold and lower mold generate phosphorous copper balls half at
Then product are passed through cold wind into upper mold, lower mold and tringle by ventilation slot, the phosphorous copper balls semi-finished product in die cavity are carried out cold
But, it is taken out after cooling spare;
Step 6: phosphorous copper balls semi-finished product after cooling in step 5 are polished, deburring, cleaning and drying, is finally obtained
Phosphorous copper balls finished product.
Technical effect and advantage of the invention:
1, by between upper mold and lower mold that the phosphor-copper rod segment of half curdled appearance is quickly placed into the second processing mold,
Then the tringle in upper mold and lower mold is inserted into the hollow groove in phosphor-copper rod segment, quickly by upper mold and lower mold phase
To pressing, so that the phosphor-copper rod segment of half curdled appearance is squeezed and is fitted with the first shaped face and the second shaped face, be processed into and have
The phosphorous copper balls of shaped face, processing technology is simple, facilitates operation;
2, the multiple arcs groove of phosphor-copper outer surface of ball setting and the arc convex of hollow groove inner wall setting, make entire phosphorous copper balls
External surface area increases, and copper ion release area is big, increases the utilization rate of phosphorous copper balls, and the setting of arc groove and arc convex
The quality of entire phosphorous copper balls will not be made to lower excessive;
3, by being passed through cold wind into groove, phosphor-copper bar is cooled down, it is cooling uniformly quick, by ventilation slot to upper mold
It is passed through cold wind in tool, lower mold and tringle, the phosphorous copper balls semi-finished product in die cavity are cooled down, cooling Quick uniform, entire phosphorus
It is cooling uniformly quick in copper ball process, it accelerates manufacturing schedule and improves phosphorous copper balls quality.
Detailed description of the invention
Fig. 1 is phosphorous copper balls body construction schematic diagram of the invention.
Fig. 2 is phosphorous copper balls ontology of the invention and the second processing mold cross-sectional view.
Fig. 3 is the second processing mold of the invention and phosphor-copper rod segment structural schematic diagram.
Fig. 4 is the first processing mold structural schematic diagram of the invention.
In figure: 1 phosphorous copper balls ontology, 2 first processing molds, 3 second processing molds, 4 hollow grooves, 5 arc grooves, 6 arcs
Protrusion, 7 outer molds, tringle, 9 grooves, 10 upper molds, 11 lower molds, 12 first shaped faces, 13 tringles, 14 second abnormity in 8
Face, 15 ventilation slots, 16 phosphor-copper rod segments.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1:
A kind of phosphorous copper balls according to figure 1, including phosphorous copper balls ontology 1, the first processing mold 2 and the second processing mold 3, it is described
Hollow groove 4 is equipped with inside phosphorous copper balls ontology 1,1 outer wall of phosphorous copper balls ontology is equipped with arc groove 5, and 4 inner wall of hollow groove is set
There is arc convex 6, the arc groove 5 and arc convex 6 are disposed as multiple and circular array and are distributed in phosphorous copper balls ontology 1
4 inner wall of outer wall and hollow groove, can increase the external surface area of entire phosphorous copper balls, keep copper ion release area big;
A kind of phosphorous copper balls shown in -3 according to fig. 2, second processing mold 3 include upper mold 10 and lower mold 11, it is described on
Mold 10 and lower mold 11 are disposed as ball-type, are able to produce out the phosphorous copper balls of ball shape, the upper mold 10 and lower mold 11
Inner wall is equipped with the first shaped face 12, is equipped with tringle 13, the tringle at the top of 10 bottom of upper mold and lower mold 11
13 outer walls are equipped with the second shaped face 14, and first shaped face 12 matches with 1 outer wall of phosphorous copper balls ontology and arc groove 5, institute
It states the second shaped face 14 to match with 4 inner wall of hollow groove and arc convex 6, is able to produce out the phosphorous copper balls of surface abnormity, increase
Its external surface area is equipped with ventilation slot 15 inside the upper mold 10, lower mold 11 and tringle 13, can by ventilation slot 15 to
It is passed through cold wind in upper mold 10, lower mold 11 and tringle 13, the phosphorous copper balls semi-finished product in die cavity are cooled down, it is cooling quickly equal
It is even;
A kind of phosphorous copper balls according to Fig.4, first processing mold 2 include outer mold 7 and interior tringle 8, the outer mold 7
It is equipped with groove 9 with inside interior tringle 8, by being passed through cold wind into groove 9, phosphor-copper bar is cooled down, cooling is uniform
Quickly, the outer mold 7 and interior tringle 8 are disposed as tubulose, and 7 internal diameter of outer mold is equal to 1 diameter of phosphorous copper balls ontology, described
Interior 8 diameter of tringle is equal to 4 diameter of hollow groove, conveniently produces phosphor-copper bar;
The present invention also provides a kind of phosphorous copper balls processing method, concrete operation steps are as follows:
Step 1: preparing P-Cu mother alloy and copper raw material, and P-Cu mother alloy and copper raw material are produced into melting by being heated at high temperature
Phosphor-copper solution temperature is maintained at 1000-1500 DEG C by state;
Step 2: phosphor-copper solution obtained in step 1 is injected in the first processing mold 2, the setting of outer mold 7 and interior tringle 8
It is able to produce out the phosphor-copper bar of hollow cylindrical, then by being passed through cold wind into groove 9, phosphor-copper bar is cooled down, and
And it is cooled to phosphor-copper bar and reaches half curdled appearance;
Step 3: the phosphor-copper bar of half curdled appearance obtained in step 2 is squeezed out by drawing, is then quickly cut through cutting machine
It is cut into the phosphor-copper rod segment 16 of appropriate length;
Step 4: the upper mold 10 that phosphor-copper rod segment 16 obtained in step 3 is quickly placed into the second processing mold 3 is under
Between mold 11, then the tringle 13 in upper mold 10 and lower mold 11 is inserted into the hollow groove 4 in phosphor-copper rod segment 16, is done
Good processing prepares;
Step 5: quickly pressing upper mold 10 and lower mold 11 are opposite, make the phosphor-copper rod segment 16 of half curdled appearance squeeze and with
First shaped face 12 and the second shaped face 14 fit, and the die cavity for being bonded it completely in upper mold 10 and lower mold 11 is raw
At phosphorous copper balls semi-finished product, cold wind is then passed through into upper mold 10, lower mold 11 and tringle 13 by ventilation slot 15, it will be in die cavity
Phosphorous copper balls semi-finished product cooled down, taken out after cooling spare;
Step 6: phosphorous copper balls semi-finished product after cooling in step 5 are polished, deburring, cleaning and drying, is finally obtained
Phosphorous copper balls finished product.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of phosphorous copper balls, including phosphorous copper balls ontology (1), the first processing mold (2) and the second processing mold (3), feature exists
In: hollow groove (4) are equipped with inside the phosphorous copper balls ontology (1), phosphorous copper balls ontology (1) outer wall is equipped with arc groove (5), institute
Hollow groove (4) inner wall is stated equipped with arc convex (6), first processing mold (2) includes outer mold (7) and interior tringle (8), institute
State and be equipped with groove (9) inside outer mold (7) and interior tringle (8), second processing mold (3) include upper mold (10) and
Lower mold (11), the upper mold (10) and lower mold (11) inner wall are equipped with the first shaped face (12), the upper mold (10)
It is equipped with tringle (13) at the top of bottom and lower mold (11), tringle (13) outer wall is equipped with the second shaped face (14), described
Ventilation slot (15) are equipped with inside upper mold (10), lower mold (11) and tringle (13).
2. a kind of phosphorous copper balls according to claim 1, it is characterised in that: the arc groove (5) and arc convex (6) are equal
It is set as multiple and circular array is distributed in phosphorous copper balls ontology (1) outer wall and hollow groove (4) inner wall.
3. a kind of phosphorous copper balls according to claim 1, it is characterised in that: the outer mold (7) and interior tringle (8) are respectively provided with
For tubulose, outer mold (7) internal diameter is equal to phosphorous copper balls ontology (1) diameter, and interior tringle (8) diameter is equal to hollow groove (4)
Diameter.
4. a kind of phosphorous copper balls according to claim 1, it is characterised in that: the upper mold (10) and lower mold (11) are all provided with
It is set to ball-type.
5. a kind of phosphorous copper balls according to claim 1, it is characterised in that: first shaped face (12) and phosphorous copper balls ontology
(1) outer wall and arc groove (5) match, second shaped face (14) and hollow groove (4) inner wall and arc convex (6) kissing
It closes.
6. a kind of phosphorous copper balls processing method, concrete operation step described in -5 according to claim 1 are as follows:
Step 1: preparing P-Cu mother alloy and copper raw material, and P-Cu mother alloy and copper raw material are produced into melting by being heated at high temperature
Phosphor-copper solution temperature is maintained at 1000-1500 DEG C by state;
Step 2: the injection of phosphor-copper solution obtained in step 1 the first processing mold (2) is interior, outer mold (7) and interior tringle (8)
Setting be able to produce out the phosphor-copper bar of hollow cylindrical, then by being passed through cold wind into groove (9), phosphor-copper bar is carried out
It is cooling, and be cooled to phosphor-copper bar and reach half curdled appearance;
Step 3: the phosphor-copper bar of half curdled appearance obtained in step 2 is squeezed out by drawing, is then quickly cut through cutting machine
It is cut into the phosphor-copper rod segment (16) of appropriate length;
Step 4: upper mold phosphor-copper rod segment (16) obtained in step 3 being quickly placed into the second processing mold (3)
(10) between lower mold (11), the tringle (13) in upper mold (10) and lower mold (11) is then inserted into phosphor-copper rod segment
(16) it in the hollow groove (4) in, carries out processing and prepares;
Step 5: quickly by upper mold (10) and the opposite pressing of lower mold (11), squeeze the phosphor-copper rod segment (16) of half curdled appearance
It presses and fits with the first shaped face (12) and the second shaped face (14), it is finally made to be bonded upper mold (10) and lower mold completely
(11) die cavity in generates phosphorous copper balls semi-finished product, then passes through ventilation slot (15) to upper mold (10), lower mold (11) and tringle
(13) it is passed through cold wind in, the phosphorous copper balls semi-finished product in die cavity are cooled down, is taken out after cooling spare;
Step 6: phosphorous copper balls semi-finished product after cooling in step 5 are polished, deburring, cleaning and drying, is finally obtained
Phosphorous copper balls finished product.
Priority Applications (1)
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CN201810279568.XA CN110153642A (en) | 2018-04-01 | 2018-04-01 | A kind of phosphorous copper balls and its processing method |
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CN201810279568.XA CN110153642A (en) | 2018-04-01 | 2018-04-01 | A kind of phosphorous copper balls and its processing method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112958747A (en) * | 2021-02-01 | 2021-06-15 | 江西坤宏铜业有限公司 | Phosphorus copper ball extrusion forming process and extrusion die thereof |
CN114799169A (en) * | 2022-06-27 | 2022-07-29 | 成都虹波实业股份有限公司 | Material pushing structure, forming device and forming method for manufacturing tungsten alloy ball powder |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1961842A1 (en) * | 2007-02-22 | 2008-08-27 | Atotech Deutschland Gmbh | Device and method for the electrolytic plating of a metal |
CN103722350A (en) * | 2014-01-14 | 2014-04-16 | 东又悦(苏州)电子科技新材料有限公司 | Electroplating hollow phosphor copper ball and preparation method thereof |
CN103849909A (en) * | 2014-02-26 | 2014-06-11 | 东又悦(苏州)电子科技新材料有限公司 | Phosphor copper ball with grooves at surface and preparation method thereof |
CN104790019A (en) * | 2015-05-06 | 2015-07-22 | 江苏金奕达铜业股份有限公司 | Copper ball for PCB and processing method |
CN107557847A (en) * | 2017-08-21 | 2018-01-09 | 东又悦(苏州)电子科技新材料有限公司 | A kind of preparation method for electroplating copper ball |
-
2018
- 2018-04-01 CN CN201810279568.XA patent/CN110153642A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1961842A1 (en) * | 2007-02-22 | 2008-08-27 | Atotech Deutschland Gmbh | Device and method for the electrolytic plating of a metal |
CN103722350A (en) * | 2014-01-14 | 2014-04-16 | 东又悦(苏州)电子科技新材料有限公司 | Electroplating hollow phosphor copper ball and preparation method thereof |
CN103849909A (en) * | 2014-02-26 | 2014-06-11 | 东又悦(苏州)电子科技新材料有限公司 | Phosphor copper ball with grooves at surface and preparation method thereof |
CN104790019A (en) * | 2015-05-06 | 2015-07-22 | 江苏金奕达铜业股份有限公司 | Copper ball for PCB and processing method |
CN107557847A (en) * | 2017-08-21 | 2018-01-09 | 东又悦(苏州)电子科技新材料有限公司 | A kind of preparation method for electroplating copper ball |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112958747A (en) * | 2021-02-01 | 2021-06-15 | 江西坤宏铜业有限公司 | Phosphorus copper ball extrusion forming process and extrusion die thereof |
CN114799169A (en) * | 2022-06-27 | 2022-07-29 | 成都虹波实业股份有限公司 | Material pushing structure, forming device and forming method for manufacturing tungsten alloy ball powder |
CN114799169B (en) * | 2022-06-27 | 2022-09-16 | 成都虹波实业股份有限公司 | Material pushing structure, forming device and forming method for manufacturing tungsten alloy ball powder |
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CB02 | Change of applicant information |
Address after: 335000 Yingtan Industrial Park, Yuehu District, Yingtan, Jiangxi Applicant after: Jiangxi Jiangnan New Material Technology Co.,Ltd. Address before: 335000 Yuehu District Industrial Park, Yingtan City, Jiangxi Province Applicant before: JIANGXI JIANGNAN NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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Application publication date: 20190823 |
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