CN102962676B - Preparation device and method for SnPb welding column - Google Patents
Preparation device and method for SnPb welding column Download PDFInfo
- Publication number
- CN102962676B CN102962676B CN201210453862.0A CN201210453862A CN102962676B CN 102962676 B CN102962676 B CN 102962676B CN 201210453862 A CN201210453862 A CN 201210453862A CN 102962676 B CN102962676 B CN 102962676B
- Authority
- CN
- China
- Prior art keywords
- welding wire
- blade
- welding
- column
- leveling
- 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.)
- Active
Links
Landscapes
- Arc Welding In General (AREA)
Abstract
The invention relates to a preparation device and method for a SnPb welding column, which belong to the technical field of ceramic electronic element encapsulation. The device comprises a welding wire supplying mechanism, a welding wire flattening mechanism, a welding wire cutting mechanism, a motor and a controller, wherein the welding wire supplying mechanism comprises a rotary screw rod and a bracket for supporting the rotary screw rod; the welding wire flattening mechanism comprises a pre-flattening device and an accurate flattening device; the accurate flattening device is provided with two leather wheels; and two leather wheels are fixed on a flat plate. The device is easy and convenient to operate, and the prepared welding column has a good surface state and end face flatness.
Description
Technical field
The present invention relates to a kind of preparation facilities and method of SnPb welding column, belong to ceramic electronic component encapsulation technology field.
Background technology
The develop rapidly of modern integrated circuits technology, the miniaturization of integrated circuit, high speed and high reliability request electronic devices and components, to miniaturized and integrated transformation, impel new encapsulation technology also constantly to occur and development simultaneously thereupon.BGA Package is widely used in different field as the predominant package form of current large scale integrated circuit.Ceramic ball grid array package has electric heating property number, air-tightness is strong, anti humility performance good and reliability is high advantage as a kind of packing forms of BGA Package.CCGA encapsulation is development and the improvement of ceramic ball grid array package, ball bar is replaced with post grid, greatly alleviate because thermal coefficient of expansion does not mate the heat fatigue problem brought between alumina ceramic envelope with glass epoxy printed board, thus improve the reliability of assembling.CCGA encapsulation can realize a lot of logic and microprocessor function, and its packing forms determines its characteristic that is high temperature resistant, high pressure resistant and high reliability, is applicable to the situation of large scale and many I/O.Therefore occupy an important position in military, aerospace Electronic products manufacturing field.But the preparation of this SnPb welding column becomes one of factor of restriction CCGA encapsulation always, the quality of welding column quality directly has influence on the quality of CCGA encapsulation components and parts.
Summary of the invention
The object of the present invention is to provide a kind of preparation facilities and method of SnPb welding column, it is easy and simple to handle, and can ensure that the welding column prepared has good surface state and end face planarization.
Above-mentioned purpose of the present invention is achieved by following technical solution.
The invention provides a kind of preparation facilities of SnPb welding column, this device comprises welding wire feed mechanism, welding wire flattening mechanism, welding wire shut-off mechanism, motor and controller;
Welding wire feed mechanism comprises the support of a rotary screw and a support rotary screw;
Welding wire flattening mechanism comprises pre-apparatus for leveling and accurate apparatus for leveling; Pre-apparatus for leveling comprises six rollers and flattens in advance, and six rollers divide two rows to be fixed on the first flat board; Above row's roller with one arrange roller and be staggered below; Limited location groove on the surface of roller, the welding wire of coming from welding wire feed mechanism is positioned at stopper slot;
Accurate apparatus for leveling has two skin wheels, two skin wheels are fixed on the second flat board; Limited location hole on the side that the second dull and stereotyped upper pre-apparatus for leveling of distance is near, the side limited location pipe far away apart from pre-apparatus for leveling; Two skin wheels are driven by motor; Welding wire shut-off mechanism is entered into from position-limiting tube welding wire out; Above the second flat board, skin is had to take turns position regulating valve, for regulating the distance between two skin wheels;
Welding wire shut-off mechanism comprises three blades; Be respectively blade A, blade B and blade C; Blade A, blade B and blade C successively according to welding wire direction side by side; Blade A, blade B and blade C have centre bore, and the centre bore of blade A and blade C is with blade, and the centre bore of blade B is not with blade, and the thickness of blade B is consistent with the length of welding column; When being advanced by air motor band cutting blade B, welding wire cuts off by blade A and blade C;
Controller is for controlling the number of times of welding wire shut-off mechanism air motor motion;
Welding wire feed mechanism, welding wire flattening mechanism and welding wire shut-off mechanism are linked together closely by overall base station, and then ensure that welding wire keeps level in the process of preparation.
The welding wire of rolling can be positioned on rotary screw, then rotary screw is fixed on support, adjust to suitable height, guarantee that welding wire is in horizontal movement in whole device;
The preparation method of a kind of SnPb welding column of the present invention, comprises the steps:
1) preparation facilities of SnPb welding column is switched on power and source of the gas, test its electricity, gas all connects normally;
2) welding wire of rolling is put into welding wire feed mechanism, use tweezers the termination of welding wire to be penetrated leveling structure and welding wire cut-out structure, ensure the level of welding wire;
3) set the cut-out amount of 20 ~ 50 on the controller, press start key, carry out the pre-prepared of welding column, go wrong as pre-prepared, then the continuity of welding column preparation process is guaranteed in the position by adjusting roller, spacing hole or pipeline;
4) after the continuity of welding column preparation process of going bail for, prepare the radical of welding column on the controller needed for setting, press start key, carry out the preparation of welding column;
5) welding column prepared is carried out screening and cleaning.
Beneficial effect
Device of the present invention is easy and simple to handle, and automatically can cut out the welding column of requirement after device debugging is good, automaticity is high;
Device of the present invention is in contact with it as flexible contact in the leveling and transmitting procedure of welding wire, can ensure that the welding column prepared has good surface state, without situations such as obvious scuffing and distortion;
Its keen edge of welding wire shearing device of the present invention, mode is unique, can ensure that its end face of welding column cut out has good planarization, without being significantly out of shape.
Accompanying drawing explanation
Fig. 1 is welding column preparation facilities structural representation;
Fig. 2 is welding wire feed mechanism structural representation;
Fig. 3 is welding wire flattening mechanism structural representation;
Fig. 4 is welding wire shut-off mechanism structural representation;
Fig. 5 is the pattern photo of welding column.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment
A preparation facilities for SnPb welding column, this device comprises transmission mechanism and controlling organization; Wherein, transmission mechanism comprises welding wire feed mechanism, welding wire flattening mechanism, welding wire shut-off mechanism; Controlling organization comprises motor and controller, as shown in Figure 1;
Welding wire feed mechanism comprises the support 2 of a rotary screw 1 and a support rotary screw, as shown in Figure 2;
As shown in Figure 3, welding wire flattening mechanism comprises pre-apparatus for leveling and accurate apparatus for leveling; Pre-apparatus for leveling comprises six rollers 3 and flattens in advance, and six rollers, 3 points of two rows are fixed on the first flat board 4; Above row's roller with one arrange roller and be staggered below; Limited location groove 5 on the surface of roller 3, the welding wire of coming from welding wire feed mechanism is positioned at stopper slot;
Accurate apparatus for leveling there are two skin wheels, 7, two skin wheels 7 be fixed on the second flat board 8; Limited location hole 6 on the side that on second flat board 8, the pre-apparatus for leveling of distance is near, the side limited location pipe 9 far away apart from pre-apparatus for leveling; Two skin wheels 7 are driven by motor; Welding wire shut-off mechanism is entered into from position-limiting tube 9 welding wire out; Above the second flat board 8, skin is had to take turns position regulating valve 10, for regulating the distance between two skin wheels 7;
As shown in Figure 4, welding wire shut-off mechanism comprises three blades; Be respectively blade A11, blade B12 and blade C13; Blade A11, blade B12 and blade C13 successively according to welding wire 14 direction side by side; Blade A11, blade B12 and blade C13 have centre bore, and the centre bore of blade A11 and blade C13 is with blade, and the centre bore of blade B12 is not with blade, and the thickness of blade B12 is consistent with the length of welding column; When being advanced by air motor band cutting blade B12, welding wire cuts off by blade A11 and blade C13;
Controller is for controlling the number of times of welding wire shut-off mechanism air motor motion;
Welding wire feed mechanism, welding wire flattening mechanism and welding wire shut-off mechanism are linked together closely by overall base station, and then ensure that welding wire keeps level in the process of preparation.
The welding wire of rolling can be positioned on rotary screw 1, then rotary screw 1 is fixed on support 2, adjust to suitable height, guarantee that welding wire is in horizontal movement in whole device;
A preparation method for SnPb welding column, comprises the steps:
1) preparation facilities of SnPb welding column is switched on power and source of the gas, test its electricity, gas all connects normally;
2) welding wire of rolling is put into welding wire feed mechanism, use tweezers the termination of welding wire to be penetrated leveling structure and welding wire cut-out structure, ensure the level of welding wire;
3) set the cut-out amount of 20 ~ 50 on the controller, press start key, carry out the pre-prepared of welding column and go wrong as pre-prepared, then the continuity of welding column preparation process is guaranteed in the position by adjusting roller, spacing hole or pipeline;
4) after the continuity guaranteeing welding column preparation process, prepare the radical of welding column on the controller needed for setting, press start key, carry out the preparation of welding column;
5) welding column prepared is carried out screening and cleaning.
The welding column composition of above-mentioned preparation is 90Pb10Sn, and the appearance and size of welding column is Φ 0.51mm, and height is 2.2mm; In chemical composition, lead content is 90%, and Theil indices is 10%.
Its surface of welding column observation by light microscope prepared by said method, multiplication factor is 120; As shown in Figure 5, from Fig. 5, its smooth surface, without situations such as obvious mechanical damage or distortion, the end face planarization of welding column is better.
Claims (2)
1. a preparation facilities for SnPb welding column, is characterized in that: this device comprises welding wire feed mechanism, welding wire flattening mechanism, welding wire shut-off mechanism, motor and controller;
Welding wire feed mechanism comprises the support (2) of a rotary screw (1) and a support rotary screw;
Welding wire flattening mechanism comprises pre-apparatus for leveling and accurate apparatus for leveling; Pre-apparatus for leveling comprises roller (3), and roller (3) point two rows are fixed on the first flat board (4); Above row's roller with one arrange roller and be staggered below; The surface of roller (3) there is the stopper slot (5) for limiting welding wire position;
Accurate apparatus for leveling has skin take turns (7), skin wheel (7) is fixed on the second flat board (8); Limited location hole (6) on the side that the upper pre-apparatus for leveling of distance of second flat board (8) is near, side limited location pipe (9) far away apart from pre-apparatus for leveling; Skin wheel (7) is driven by motor; Welding wire shut-off mechanism is entered into from position-limiting tube (9) welding wire out; There is skin to take turns position regulating valve (10) in the top of the second flat board (8);
Welding wire shut-off mechanism comprises three blades, is respectively blade A, blade B and blade C; Blade A, blade B and blade C successively according to welding wire direction side by side; Blade A, blade B and blade C have centre bore, and the centre bore of blade A and blade C is with blade, and the centre bore of blade B is not with blade, and the thickness of blade B is consistent with the length of welding column; When being advanced by air motor band cutting blade B, welding wire cuts off by blade A and blade C;
Controller is for controlling the number of times of welding wire shut-off mechanism air motor motion;
Welding wire feed mechanism, welding wire flattening mechanism and welding wire shut-off mechanism are linked together closely by overall base station, and then ensure that welding wire keeps level in the process of preparation.
2. utilize the preparation facilities described in claim 1 to prepare a method for SnPb welding column, it is characterized in that comprising the steps:
1) preparation facilities of SnPb welding column is switched on power and source of the gas, test its electricity, gas all connects normally;
2) welding wire of rolling is put into welding wire feed mechanism, use tweezers the termination of welding wire to be penetrated leveling structure and welding wire cut-out structure, ensure the level of welding wire;
3) the cut-out amount of 20 ~ 50 is set on the controller, press start key, carry out the pre-prepared of welding column, go wrong as pre-prepared, then the continuity of welding column preparation process is guaranteed in the position by adjusting skin wheel (7), spacing hole (6) or position-limiting tube (9);
4) after the continuity guaranteeing welding column preparation process, prepare the radical of welding column on the controller needed for setting, press start key, carry out the preparation of welding column;
5) welding column prepared is carried out screening and cleaning, finally obtain SnPb welding column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210453862.0A CN102962676B (en) | 2012-11-13 | 2012-11-13 | Preparation device and method for SnPb welding column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210453862.0A CN102962676B (en) | 2012-11-13 | 2012-11-13 | Preparation device and method for SnPb welding column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102962676A CN102962676A (en) | 2013-03-13 |
| CN102962676B true CN102962676B (en) | 2015-03-25 |
Family
ID=47793265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210453862.0A Active CN102962676B (en) | 2012-11-13 | 2012-11-13 | Preparation device and method for SnPb welding column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102962676B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526355B (en) * | 2014-11-14 | 2017-06-09 | 盐城旭华机械有限公司 | Tank body welding rod cutter sweep |
| CN105297086B (en) * | 2015-10-22 | 2020-08-21 | 重庆群崴电子材料有限公司 | Preparation method of tinned copper column for copper column grid array |
| CN105618952A (en) * | 2016-03-20 | 2016-06-01 | 重庆群崴电子材料有限公司 | Enhanced type welding column for electronic assembling and manufacturing method thereof |
| CN106624423B (en) * | 2016-12-14 | 2019-06-04 | 北京时代民芯科技有限公司 | A kind of enhanced welding column preparation facilities and preparation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE332527C (en) * | 1917-11-10 | 1921-01-31 | Bruno Quast | Block and billet shears with two knives that are guided in a straight line against each other and freely movable in the shear stand |
| US1536152A (en) * | 1924-09-03 | 1925-05-05 | Schorn Carl | Shears with two movable blades |
| CN1398683A (en) * | 2001-07-24 | 2003-02-26 | 吴钟群 | Production process of rolled straight steel rod for cold drawing multiple thread steel bar |
| CN201405005Y (en) * | 2008-12-19 | 2010-02-17 | 天津市金桥焊材集团有限公司 | Flying shear type high-speed wire cutting device |
| CN101856743A (en) * | 2010-04-20 | 2010-10-13 | 张龙弟 | Round steel cutter |
| CN202106201U (en) * | 2011-01-25 | 2012-01-11 | 建科机械（天津）股份有限公司 | Numerical control manufacturing plant for ribbed steel bars |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5669016A (en) * | 1979-11-05 | 1981-06-10 | Hosoya Kako Kk | String cutter |
| US20050198809A1 (en) * | 2004-03-10 | 2005-09-15 | Takashi Fujii | Working system of metallic wire rod |
| DE102005062860A1 (en) * | 2005-12-29 | 2007-07-12 | Robert Bosch Gmbh | Method and device for producing bent spring elements |
-
2012
- 2012-11-13 CN CN201210453862.0A patent/CN102962676B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE332527C (en) * | 1917-11-10 | 1921-01-31 | Bruno Quast | Block and billet shears with two knives that are guided in a straight line against each other and freely movable in the shear stand |
| US1536152A (en) * | 1924-09-03 | 1925-05-05 | Schorn Carl | Shears with two movable blades |
| CN1398683A (en) * | 2001-07-24 | 2003-02-26 | 吴钟群 | Production process of rolled straight steel rod for cold drawing multiple thread steel bar |
| CN201405005Y (en) * | 2008-12-19 | 2010-02-17 | 天津市金桥焊材集团有限公司 | Flying shear type high-speed wire cutting device |
| CN101856743A (en) * | 2010-04-20 | 2010-10-13 | 张龙弟 | Round steel cutter |
| CN202106201U (en) * | 2011-01-25 | 2012-01-11 | 建科机械（天津）股份有限公司 | Numerical control manufacturing plant for ribbed steel bars |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102962676A (en) | 2013-03-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102962676B (en) | Preparation device and method for SnPb welding column | |
| CN103551276B (en) | A kind of intelligent high-speed point gum machine | |
| CN102856215B (en) | Column set-up device and method of ceramic column grid array device | |
| TW201126745A (en) | Scribing apparatus for thin film solar cells | |
| WO2008020972A3 (en) | Technique for low-temperature ion implantation | |
| CN105363634A (en) | Glue dispenser with heating device | |
| CN103495784A (en) | Welding jig for grating solar battery pieces and welding process thereof | |
| CN102044663A (en) | Lithium battery cathode assembling machine | |
| CN104202908B (en) | A kind of FPC reinforcing chips mounting head device | |
| CN203301870U (en) | Combined double-head multifunctional surface mounting machine | |
| CN105345199B (en) | A kind of the automatic of multistation tin piece cuts and feed mechanism | |
| CN203934121U (en) | The die-cut coiled strip reinforcement of two platform flexible circuit board machine | |
| CN201656218U (en) | Line-cutting crimping machine | |
| CN201151133Y (en) | Cutting machine positioning device | |
| CN204625470U (en) | A kind of break-up device for double-deck OLED mother matrix glass | |
| CN203484765U (en) | Grid solar battery sheet welding jig | |
| CN105228356A (en) | Printing positioning mechanism for circuit boards with various dimensions and specifications and use method thereof | |
| CN201522996U (en) | Sealing machine | |
| CN204560033U (en) | A kind of pcb board location heat pressing utensil with cleaning function | |
| CN107285023A (en) | Pole piece feeding device | |
| CN205733327U (en) | Both hands automatic fetching device and series welding machine | |
| CN202881105U (en) | Control system for producing large and small laminated glass sheets | |
| CN204596817U (en) | The automatic sliver apparatus of a kind of cell piece | |
| CN209434317U (en) | A kind of top side seal device | |
| CN204771033U (en) | Tight tool is pressed from both sides in thermal -insulated restricted driving journey hot pressing of PCB board with cleaning function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |