CN1263200C - Electric connector of coating anti-welding coat and method for making the same - Google Patents
Electric connector of coating anti-welding coat and method for making the same Download PDFInfo
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- CN1263200C CN1263200C CN02134674.7A CN02134674A CN1263200C CN 1263200 C CN1263200 C CN 1263200C CN 02134674 A CN02134674 A CN 02134674A CN 1263200 C CN1263200 C CN 1263200C
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Abstract
The present invention relates to an electric connector coated with a welding resistant coating and a manufacturing method thereof. The electric connector mainly comprises an insulation shell seat and a plurality of branch terminals, the insulation shell seat is a seat body for providing insertion, a plurality of containing chambers for embedding the terminals are structurally arranged on the insulation shell seat, the welding resistant coating is coated in a proper position of the welding end of the terminal, and tin blocks are respectively clamped on the welding end under the welding resistant coating. Therefore, the electric connector with a welding resistant coating is assembled. The manufacturing method is mainly characterized in that material sheets of terminal rudiments are punched in a coating position of the welding resistant coating, or one or more than one welding resistant coatings are coated on selected positions of the terminals, so the present invention can effectively prevent the siphonage of tin liquid and further lower quality cost and improve the stability of electronic products under the condition of no change of the containing chambers and structures of the terminals.
Description
Technical field:
The electric connector of the relevant a kind of coating anti-welding coat of the present invention and manufacture method design thereof are meant that especially a kind of welding ends top of its terminal of electric connector is coated with anti-solder paste China ink, with electric connector and the manufacture method thereof that prevents that tin liquor from upwards climbing sharply.
Prior art:
As Figure 12 and shown in Figure 13, the package assembly of existing electric connector terminal, mainly be in the structure of insulation shell block 10, to be provided with a plurality of container cavities 101, in a plurality of container cavities 101, plant the terminal 20 of a U type or sheet or other given shape, this terminal 20 has a contact jaw 201 and a welding ends 202 usually, and establish a tin ball 30 pressing from both sides in advance near welding ends 202 places of each terminal 20, therefore when whole electric connector is desired to be contained on the circuit board 40, can in advance its allocation be placed on the circuit board 40, the lower end of tin ball 30 is pressed on the plate face pad, again circuit board 40 is sent into one by one hot return air welding machine, utilized hot return air fusing tin ball 30 that electric connector is weldingly fixed on the circuit board 40.
As Figure 14 and shown in Figure 15; when tin ball 30 is fused into 30 ' time of tin liquor, if do not design barrier structure on the tin ball 30, the phenomenon of upwards climbing sharply takes place in these tin liquor 30 regular meetings; be also referred to as siphonage, cause the pad of contact circuit plate 40 fully of this tin liquor 30 ' after solidifying.If like this, not only cause the increase of quality cost, and can cause electronics, computer equipment to use or defective such as instability.Yet if will utilize the container cavity 101 or the terminal 20 of insulation shell block 10 to be designed to stop the structure of scurrying on the tin liquor in the upper end of this tin ball 30, then pull one hair and move the whole body, usually must change the design on many package assemblies, and various container cavity 101 structures or terminal 20 structure Design, all need yield to this barrier structure.
Summary of the invention:
Main purpose of the present invention, be to provide a kind of electric connector and manufacture method design thereof of coating anti-welding coat, especially a kind of electric connector and manufacture method design thereof that is coated with anti-solder paste China ink, mainly be under the situation that does not change insulator shell holder structure or terminal structure, improvement forms the phenomenon of scurrying on excessive because the tin ball is fused into the siphonage of tin liquor when the welding of hot return air, and make tin liquor contact welding fully with the tin packing ring on the PC plate.
An of the present invention purpose is to provide a kind of electric connector design of coating anti-welding printing ink, it comprises an insulation shell block and a plural terminals ball, and selected plant plural terminals welding ends in the insulation shell block above or coating or be printed with an anti-solder paste China ink, and establish block tin with the welding ends folder of anti-solder paste China ink below, constitute the electric connector be coated with anti-solder paste China ink thus, block tin is fused into the siphonage of tin liquor and forms the phenomenon of scurrying on excessive when improving hot return air welding.
Another object of the present invention, be to provide a kind of making method for electric connector design of coating anti-welding printing ink, wherein this anti-solder paste China ink can be coated with or be printed on the conductive sheet metal of terminal earlier, stamp out the blank of terminal then according to anti-solder paste China ink coating position, again terminal is bent into structure with a contact jaw and a welding ends, make anti-solder paste China ink be positioned at the top of welding ends just, and establish block tin, constitute electric connector with coating anti-welding printing ink with the welding ends folder of anti-solder paste China ink below.。
Another purpose of the present invention, be to provide a kind of making method for electric connector design of coating anti-welding printing ink, wherein this tablet is the blank that can stamp out terminal earlier, inferior selected terminal blank sheet is coated with or is printed with anti-solder paste China ink, again terminal is curved planform with a contact jaw and a welding ends, again terminal is curved planform, establish block tin with the welding ends folder again with a contact jaw and a welding ends.
A further object of the present invention, be to provide a kind of making method for electric connector design of coating anti-welding printing ink, wherein this tablet can stamp out the blank of terminal earlier, then terminal is bent into structure with a contact jaw and a welding ends, the welding ends place of selected terminal is coated with or is printed with anti-solder paste China ink again, establishes block tin with the welding ends folder again.
The present invention is the electric connector of coating anti-welding coat, mainly comprises an insulation shell block and a plural Zhi Duanzi, wherein:
The insulation shell block is the pedestal that supplies other electron component such as CPU, circuit board or electric connector to plug, and its planform is not limited to specific shape, but structurally is provided with a plurality of terminal receiving cavity structures at least, plants for following plural Zhi Duanzi;
Terminal is to constitute and the conductor of transplanting in the container cavity of insulation shell block with sheet metal, and its structure comprises a contact jaw and a welding ends, and this contact jaw and other electron component, circuit board or electric connector connect, this welding ends and circuit board welding combination; In appropriate position or the coating or the printing of selected welding ends or spray printing has together or above together anti-welding coat, and prevent that with this anti-welding coat structure tin liquor from upwards climbing sharply when welding.
As a further improvement on the present invention, use the electric connector structure design of above-mentioned coating anti-welding coat, when electric connector is desired to be assembled on the circuit board, can pre-aligned setting make the contact of block tin point on circuit board, again circuit board and electric connector are conveyed into hot return air bonding machine one by one, use hot return air to make block tin be fused into tin liquor; Wherein this block tin (or tin sheet or tin post) is the tin plasmid that plants in advance below the anti-welding coat of the welding ends of terminal, and is fused into tin liquor when hot return air weldering, and is welded between the welding ends and circuit board of terminal.
Because the present invention is provided with anti-welding coat at the welding ends of terminal, so this tin liquor can't upwards be climbed sharply along welding ends (because of siphonage), this tin liquor can be welded between welding ends and the circuit board fully based on said structure, the making method for electric connector design of the coating anti-welding coat that the present invention does, principal character is that its step can be as follows at the invention of the formation method of this anti-welding coat structure:
(a) coating cloth or printing or spray printing have together or above together anti-welding coat at the chosen place of Terminal material sheet,
(b) stamp out the blank of terminal then in the coating cloth position of anti-welding coat;
(c) terminal is bent into structure with a contact jaw and a welding ends;
(d) the welding ends folder below the selected anti-welding coat is established block tin;
In sum, the electric connector making method feature of coating anti-welding coat, can constitute the electric connector of coating anti-welding coat of the present invention, plant the step of container cavity as for this terminal at the insulation shell block, can after establishing, replant in the container cavity of insulation shell block by the block tin folder, press from both sides again after can earlier terminal being planted yet and establish block tin, so assemble method does not limit.
Secondly, the making method for electric connector of coating anti-welding coat, its step also can be as follows, and is not shown:
(a) stamp out the blank of terminal earlier at tablet 200 chosen places of terminal;
(b) the welding ends place of the blank sheet of inferior selected terminal coating cloth or printing or spray printing have together or above together anti-welding coat;
(c) terminal is bent into structure with a contact jaw and a welding ends;
(d) the below welding ends folder of selected anti-welding coat is established block tin.
This shows that the present invention is provided with the manufacture method of anti-welding coat, be before or after the tablet punching press of this terminal, to carry out or to be coated with cloth or printing or spray printing again, in like manner also can be after terminal be bent into a contact jaw and a welding ends structure, carry out or be coated with cloth or printing or spray printing at welding ends again.
Further improve as invention, as the time marquis that the material require that is used to make terminal is electroplated, the work step of electroplating can adopt the mode of the arbitrary work step in the following work step:
(1) tablet does not carry out coating anti-welding coat as yet, does not stamp out before the terminal blank as yet;
(2) tablet coating anti-welding coat does not stamp out before the terminal blank as yet;
(3) tablet has stamped out the terminal blank, before the still uncoated anti-welding coat;
(4) tablet has been finished and has been stamped out terminal blank and two work steps of coating anti-welding coat, terminal is not bent into before the structure with a contact jaw and a welding ends as yet;
(5) tablet has been finished coating anti-welding coat, stamps out the terminal blank, and terminal is bent into three work steps of structure with a contact jaw and a welding ends, as yet not before the folder of the welding ends below the anti-welding coat is established block tin.
As improvement of the present invention, above-mentioned anti-welding coat is anti-solder paste China ink coating, and the present invention is the electric connector of coating anti-welding printing ink, mainly comprises an insulation shell block and a plural Zhi Duanzi, wherein:
The insulation shell block is the pedestal that supplies other electron component such as CPU, circuit board or electric connector to plug, and its planform is not limited to specific shape, but structurally is provided with a plurality of terminal receiving cavity structures at least, plants for following plural Zhi Duanzi;
Terminal is to constitute and the conductor of transplanting in the container cavity of insulation shell block with sheet metal, and its structure comprises a contact jaw and a welding ends, and this contact jaw and other electron component, circuit board or electric connector connect, this welding ends and circuit board welding combination; In appropriate position or the coating or the printing of selected welding ends or spray printing has together or above together anti-solder paste China ink, and prevent that with this anti-solder paste ink structure tin liquor from upwards climbing sharply when welding;
As a further improvement on the present invention, electric connector structure design with above-mentioned coating anti-welding printing ink, when electric connector is desired to be assembled on the circuit board, can pre-aligned setting make 3 contacts of block tin on circuit board, again circuit board and electric connector are conveyed into hot return air bonding machine one by one, use hot return air to make block tin be fused into tin liquor; Wherein this block tin or tin sheet or tin post are the tin plasmids that plants in advance below the anti-solder paste China ink of the welding ends of terminal, and are fused into tin liquor when hot return air weldering, and are welded between the welding ends and circuit board of terminal.Because the present invention is provided with anti-solder paste China ink at the welding ends of terminal, so this tin liquor can't upwards be climbed sharply along welding ends because of siphonage, this tin liquor can be welded between welding ends and the circuit board fully based on said structure.
The making method for electric connector of the coating anti-welding printing ink that the present invention does is that its step can be as follows at the invention of the formation method of this anti-solder paste ink structure:
(a) coating cloth or printing or spray printing have together or above together anti-solder paste China ink at the chosen place of Terminal material sheet,
(b) stamp out the blank of terminal then in the coating cloth position of anti-solder paste China ink;
(c) terminal is bent into structure with a contact jaw and a welding ends;
(d) the welding ends folder below the selected anti-solder paste China ink is established block tin;
In sum, the method for making feature of the electric connector of coating anti-welding printing ink, can constitute the electric connector of coating anti-welding printing ink of the present invention, plant the step of container cavity as for this terminal at the insulation shell block, can after establishing, replant in the container cavity of insulation shell block by the block tin folder, press from both sides again after can earlier terminal being planted yet and establish block tin, so assemble method does not limit.
Secondly, the making method for electric connector of coating anti-welding printing ink, its step also can be as follows:
(a) stamp out the blank of terminal earlier at the tablet chosen place of terminal;
(b) the welding ends place of the blank sheet of inferior selected terminal coating cloth or printing or spray printing have together or above together anti-solder paste China ink;
(c) terminal is bent into structure with a contact jaw and a welding ends;
(d) the below welding ends folder of selected anti-solder paste China ink is established block tin.
This shows that the present invention is provided with the method for making of anti-solder paste China ink, be before or after the tablet punching press of this terminal, to carry out or to be coated with cloth or printing or spray printing again, in like manner also can be after terminal be bent into a contact jaw and a welding ends structure, carry out or be coated with cloth or printing or spray printing at welding ends again.
It is convenient for production to use anti-solder paste China ink coating to have, and price is low, stay-in-grade advantage.
The present invention can effectively prevent the tin liquor siphon under the situation of the structure that does not change container cavity and terminal, further reduce quality cost, improves the stability of electronic product.
Description of drawings:
Fig. 1 is an Application Example schematic diagram of the present invention.
Fig. 2 is an assembled state schematic diagram of the present invention.
Fig. 3 is another embodiment schematic diagram of assembled state of the present invention.
Fig. 4 is arranged on schematic diagram on the circuit board for electric connector of the present invention.
Fig. 5 is arranged on another embodiment schematic diagram on the circuit board for electric connector of the present invention.
Fig. 6 stops the schematic diagram of siphon for the anti-solder paste China ink of the present invention.
Fig. 7 stops the schematic diagram of scurrying in the tin liquor siphon for the anti-solder paste China ink of the present invention.
Fig. 8 is furnished with the schematic diagram of anti-solder paste China ink for tablet of the present invention.
Fig. 9 is the schematic diagram of the present invention in anti-solder paste China ink tablet stamped terminals.
Figure 10 bends the front view that terminal and folder are established block tin for the present invention.
Figure 11 bends the stereogram that terminal and folder are established block tin for the present invention.
Figure 12 establishes structural representation for common block tin folder.
Figure 13 establishes structural representation for another kind of common block tin folder.
Figure 14 is melt into the schematic diagram of tin liquor for common block tin.
Figure 15 is melt into the schematic diagram of tin liquor for another kind of common block tin.
Specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the present invention is the electric connector design of coating anti-welding printing ink, mainly comprises an insulation shell block 1 and a plural Zhi Duanzi 2, wherein:
Terminal 2 is to constitute and the conductor of transplanting in the container cavity 11 of insulation shell block 1 with sheet metal, comprises a contact jaw 21 and welding ends 22, and this contact jaw 21 connects with other electron component, circuit board or electric connector, this welding ends 22 and circuit board welding combination; Be coated with together or above together anti-solder paste China ink 23 in the appropriate position of selected welding ends 22, and prevent that with black 23 structures of this anti-solder paste tin liquor from upwards climbing sharply when welding;
As shown in Figure 4 and Figure 5, electric connector structure design with above-mentioned coating anti-welding printing ink, when electric connector is desired to be assembled on the circuit board 40, can pre-aligned setting make 3 contacts of block tin on circuit board 40, again circuit board 40 and electric connector are conveyed into hot return air bonding machine one by one, use hot return air make block tin 3 be fused into tin liquor 3 '; This block tin (or tin sheet or tin post) the 3rd wherein plants the tin plasmid below the anti-solder paste China ink 23 of the welding ends 22 of terminal 2 in advance, and is fused into tin liquor when hot return air weldering, and is welded between the welding ends and circuit board of terminal 2.As Fig. 6 or shown in Figure 7, because the present invention is provided with anti-solder paste China ink 23 at the welding ends 22 of terminal 2, so this tin liquor 3 ' can't upwards climb sharply (because of siphonage) along welding ends 22 can make this tin liquor 3 ' can be welded on fully between welding ends 22 and the circuit board 40.
Based on said structure, the design of the making method for electric connector of the coating anti-welding printing ink that the present invention does, principal character is that its step can be as follows at the invention of the formation method of these anti-solder paste China ink 23 structures:
(a) coating cloth or printing or spray printing have together or above together anti-solder paste China ink 23 at the chosen place of Terminal material sheet 200, as shown in Figure 8;
(b) stamp out the blank of terminal 2 then in the coating cloth position of anti-solder paste China ink 23, as shown in Figure 9;
(c) terminal 2 is bent into structure with a contact jaw 21 and a welding ends 22;
(d) the welding ends folder of selected anti-solder paste China ink 23 belows is established block tin 3, as shown in figure 10 and as shown in figure 11;
In sum, the electric connector making method feature of coating anti-welding printing ink 23, can constitute the electric connector of coating anti-welding printing ink 23 of the present invention, plant the step of container cavity 11 as for this terminal 2 at insulation shell block 1, can after establishing, replant in the container cavity 11 of insulation shell block 1 by block tin 3 folders, press from both sides again after can earlier terminal 2 being planted yet and establish block tin 3, so assemble method does not limit.
Secondly, the making method for electric connector of coating anti-welding printing ink 23, its step also can be as follows, and is not shown:
(a) stamp out the blank of terminal 2 earlier at tablet 200 chosen places of terminal;
(b) the welding ends place of the blank sheet of inferior selected terminal 2 coating cloth or printing or spray printing have together or above together anti-solder paste China ink 23;
(c) terminal 2 is bent into structure with a contact jaw 21 and a welding ends 22;
(d) the below welding ends folder of selected anti-solder paste China ink 23 is established block tin 3.
This shows that the present invention is provided with the manufacture method of anti-solder paste China ink 23, be before or after the tablet punching press of this terminal, to carry out or to be coated with cloth or printing or spray printing again, in like manner also can be after terminal 2 be bent into a contact jaw 21 and a welding ends 22 structures, carry out or be coated with cloth or printing or spray printing at welding ends 22 again.
Claims (9)
1. the making method for electric connector of a coating anti-welding coat, this electric connector comprise an insulation shell block at least, several terminals and several block tins, and it is characterized in that: this manufacture method comprises the following steps:
The anti-welding coat of coating more than one or one is at the chosen place of Terminal material sheet earlier;
Stamp out the blank of terminal then in the coating position of anti-welding coat;
Terminal bends is become to have the structure of contact jaw and welding ends;
The terminal that will have anti-welding coat is formed the electric connector with anti-welding coat with the insulation shell block.
2. the making method for electric connector of a kind of coating anti-welding coat as claimed in claim 1 is characterized in that: when the material require that is used to make terminal was electroplated, the work step of electroplating can adopt following any one mode:
Tablet does not carry out coating anti-welding coat as yet, does not stamp out before the terminal blank as yet;
Tablet is coating anti-welding coat, does not stamp out as yet before the terminal blank;
Tablet has been finished and has been stamped out terminal blank and two work steps of coating anti-welding coat, terminal is not bent into before the structure with a contact jaw and a welding ends as yet;
Tablet has been finished coating anti-welding coat, stamps out the terminal blank, and terminal is bent into three work steps of structure with a contact jaw and a welding ends, as yet not before the folder of the welding ends below the anti-welding coat is established block tin.
3. the making method for electric connector of a kind of coating anti-welding coat as claimed in claim 1 is characterized in that: aforesaid anti-welding coat is anti-weldering ink lay.
4. the making method for electric connector of a coating anti-welding coat, this electric connector comprise an insulation shell block at least, several terminals and several block tins, and it is characterized in that: this manufacture method comprises the following steps:
On Terminal material sheet, stamp out earlier the blank of terminal;
One of coating or one above anti-welding coat are at the terminal chosen place then;
Terminal bends is become to have the structure of contact jaw and welding ends;
The terminal that will have anti-welding coat is formed the electric connector with anti-welding coat with the insulation shell block.
5. the making method for electric connector of a kind of coating anti-welding coat as claimed in claim 4 is characterized in that: when the material require that is used to make terminal was electroplated, the work step of electroplating can adopt following any one mode:
Tablet does not carry out coating anti-welding coat as yet, does not stamp out before the terminal blank as yet;
Tablet has stamped out the terminal blank, before the still uncoated anti-welding coat;
Tablet has been finished and has been stamped out terminal blank and two work steps of coating anti-welding coat, terminal is not bent into before the structure with a contact jaw and a welding ends as yet;
Tablet has been finished coating anti-welding coat, stamps out the terminal blank, and terminal is bent into three work steps of structure with a contact jaw and a welding ends, as yet not before the folder of the welding ends below the anti-welding coat is established block tin.
6. the making method for electric connector of a kind of coating anti-welding coat as claimed in claim 4 is characterized in that: aforesaid anti-welding coat is anti-weldering ink lay.
7. the making method for electric connector of a coating anti-welding coat, this electric connector comprise an insulation shell block at least, several terminals and several block tins, and it is characterized in that: this manufacture method comprises the following steps:
On Terminal material sheet, stamp out earlier the blank of terminal;
Then terminal bends is become to have the structure of contact jaw and welding ends;
The anti-welding coat of chosen place coating more than one or one at terminal;
The terminal that will have anti-welding coat is formed the electric connector with anti-welding coat with the insulation shell block.
8. the making method for electric connector of a kind of coating anti-welding coat as claimed in claim 7 is characterized in that: when the material require that is used to make terminal was electroplated, the work step of electroplating can adopt following any one mode:
Tablet does not carry out coating anti-welding coat as yet, does not stamp out before the terminal blank as yet;
Tablet has stamped out the terminal blank, before the still uncoated anti-welding coat;
Tablet has been finished coating anti-welding coat, stamps out the terminal blank, and terminal is bent into three work steps of structure with a contact jaw and a welding ends, as yet not before the folder of the welding ends below the anti-welding coat is established block tin.
9. the making method for electric connector of a kind of coating anti-welding coat as claimed in claim 7 is characterized in that: aforesaid anti-welding coat is anti-weldering ink lay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02134674.7A CN1263200C (en) | 2002-09-06 | 2002-09-06 | Electric connector of coating anti-welding coat and method for making the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02134674.7A CN1263200C (en) | 2002-09-06 | 2002-09-06 | Electric connector of coating anti-welding coat and method for making the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1467877A CN1467877A (en) | 2004-01-14 |
| CN1263200C true CN1263200C (en) | 2006-07-05 |
Family
ID=34145905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02134674.7A Expired - Lifetime CN1263200C (en) | 2002-09-06 | 2002-09-06 | Electric connector of coating anti-welding coat and method for making the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1263200C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953219A (en) * | 2014-03-28 | 2015-09-30 | 春源科技(深圳)有限公司 | RF board end connector and manufacturing method thereof |
| CN107658576A (en) * | 2017-08-24 | 2018-02-02 | 番禺得意精密电子工业有限公司 | Electric connector |
-
2002
- 2002-09-06 CN CN02134674.7A patent/CN1263200C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1467877A (en) | 2004-01-14 |
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Granted publication date: 20060705 |