CN1261215A - Method and equipment for manufacturing modular terminals of electric connector - Google Patents
Method and equipment for manufacturing modular terminals of electric connector Download PDFInfo
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- CN1261215A CN1261215A CN 99113415 CN99113415A CN1261215A CN 1261215 A CN1261215 A CN 1261215A CN 99113415 CN99113415 CN 99113415 CN 99113415 A CN99113415 A CN 99113415A CN 1261215 A CN1261215 A CN 1261215A
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Abstract
A technology and equipment for manufacturing the modular terminals of electric connector are disclosed. Said method includes such steps as pre-punching two rows of terminals band with connecting strip, on which there are locating holes with different size and arranged alternatively for staggered location of two rows of terminals, cutting according to requirement to obtain terminal row in proper length, putting it in mould with several locating piles, and direct injection mould. Its advantages are high density of terminals, high efficiency on fixing terminals to their seats, and easy assembly between high-density terminals and insulating body.
Description
The present invention relates to a kind of manufacture method and equipment thereof of modular terminals of electric connector, be meant a kind of by mould and adopt the injection molding technology will the row's of number terminal and the manufacture method and the equipment thereof of insulation plastic cement fluid-tight engagement all-in-one-piece modular terminals of electric connector especially.
In the existing electric connector making method, usually adopt inserted mode terminal in a row to be plugged on the appropriate location of electric connector insulating body, exert pressure in terminal tails terminal is pressed into plastic parts and combination with it, relative manufacturing process can be consulted case such as No. the 77208350th, 79204276,80213361,80209366, TaiWan, China patent application and disclose.Yet this winding mode that is pressed into has very big harmful effect to the machinery and the electric property of finished connector product, one, because the terminal containing slot of insulating body is more and more and arrange more and more closeer, be difficult on the processing procedure guaranteeing that the cell wall injection moulding of each accepting groove evenly causes the wall of accepting groove thinner, cause to stablize the fixing terminal for a long time.The second, insert the winding mode because the mutual extrusion effect between terminal and insulating body causes mechanical damage to terminal and accepting groove wall easily, thereby can not effectively keep terminal to isolate mutually to each other, and then have influence on the electrical engagement quality of electric connector.In addition, because it is very wide that the surface adhesion technology is used in the electrical engagement of terminal and circuit board, this surface adhesion technology is the many and high terminal of density for quantity, require terminal to have higher same flatness, can reach good joint effect, can make the welding afterbody of terminal stressed and bend and cause its same flatness to reduce inevitably but be pressed into the winding mode.
For overcoming the shortcoming of aforementioned insertion winding mode, industry also has the design of injection mo(u)lding winding mode according to needs separately, as United States Patent (USP) the 4th, 775, No. 333 case discloses, it is first punching out terminal material belt, then terminal material belt is placed on the mould, be integral with terminal is affixed at the appropriate location of terminal material belt injection mo(u)lding collets, obtain the affixed body of terminal and insulating body, thereby combine with other assembly of electric connector during ease of assembly, and can not occur the problem that aforementioned insertion winding mode is produced basically.But as noted earlier, because the extensive use of high density electrical connector at present, and terminal material belt be not mostly single and frequent with the stacked mode winding of many rows on the electric connector insulating body, so that the mutual arrangement of terminal material belt cooperates and the location becomes is very complicated, especially the HTHP during injection mo(u)lding, location bad terminal and collets semi-finished product thereof appear in Chang Rongyi, thereby this simple single injection molding can not be suitable for the winding of high density electrical connector terminal fully, and its applicable scope is very limited.
Main purpose of the present invention provides a kind of manufacture method and equipment thereof of modular terminals of electric connector, especially provide a kind of and locate easily, can at least two row's terminals by injection moulding the insulate manufacture method and the equipment thereof of the modular terminals of electric connector that plastic cement is combined into one.
Can be achieved through the following technical solutions purpose of the present invention: the present invention by mould and adopt injection molding forming method to make at least two rows parallel terminal is stacked fixes as one, it is characterized in that, the terminal material belt that has locating structure and can make the mutual staggered orientation of terminal in a row, some location holes that this locating structure is provided in a side of the pore size difference on the terminal material belt connecting band and is crisscross arranged are arranged in punching out two as required in advance; The terminal that intercepts suitable length more also directly is stacked in the mould with positioner, this positioner is the some reference columns with the corresponding setting of location hole of terminal material belt, and the reference column on the maintenance mould just the location hole different with aperture on the terminal material belt cooperatively interact the terminal base of matched moulds affixed terminal of injection mo(u)lding on the appropriate location of terminal then.
Compared with prior art, the inventive method has not only been saved the operations such as inserting in advance, be pressed into of terminal and insulating body in the classical production process, can obtain terminal welding section same flatness preferably, and with plastic cement directly injection mo(u)lding on the terminal overcome the winding mode inserted because of terminal and insulating body between the mutual extrusion effect terminal and accepting groove wall easily caused the shortcoming of mechanical damage, and then guaranteed the tightness that terminal combines with plastic parts, guarantee the quality of electric connector machinery and electrical engagement.
The present invention is further illustrated below in conjunction with drawings and Examples.
Fig. 1 is the manufacturing flow chart of the inventive method.
Fig. 2 is the stereogram of the inventive method through punch forming step gained terminal material belt.
Fig. 3 is that the inventive method terminal is placed in the partial sectional view that shows positioning states in the mould.
Fig. 4 is the partial sectional view that shows affixed section positioning states in mould of terminal in the inventive method injection mo(u)lding step.
Fig. 5 is the inventive method injection mo(u)lding step gained terminal and terminal base semi-finished product stereogram.
Fig. 6 is the plane graph of Fig. 5.
Fig. 7 is the three-dimensional exploded view of the inventive method gained terminal and terminal base semi-finished product and other assembly of electric connector.
Fig. 8 is the combination stereogram of the inventive method gained terminal and terminal base semi-finished product and other assembly of electric connector.
See also the manufacturing flow chart of Fig. 1 modular terminals manufacture method of the present invention, the inventive method is punch forming electric connector terminal strip 1,2 (shown in Figure 2) at first, again with the terminal stacked side of suitable length on injection forming mold, the terminal base 4 (shown in Figure 5) of the affixed terminal of mold-closing injection moulding then, to obtain modular high density of terminals, this manufacture method includes following steps:
The first, punch forming steps A:
At first take the ribbon stock band (not shown) that can be used for making terminal, function needs according to electric connector, arrange the terminal material belt 1 that can cooperatively interact by diel (not shown) moulding two respectively, 2, please cooperate and consult Fig. 2, wherein terminal material belt 1 relies on first connecting band 11 and second connecting band 12 of its two ora terminalis to connect as one, terminal material belt 2 then relies on its first connecting band 21 and second connecting band 22 and connects as one, at second connecting band 12, form the pore size difference on 22, and the location hole 120 that is crisscross arranged, 220, be used for cooperating location (back further specifies) with positioner on the injection forming mold 3.Each terminal material belt 1,2 all include several terminals 10,20, terminal 10,20 include the welding section 101 that order engages, 201, linkage section 102,202, affixed section 103,203 and contact-segment 104,204, wherein contact-segment 104,204 and affixed section 103,203 with welding section 101,201 are parastate substantially, and linkage section 102,202 are located at affixed section 103,203 and welding section 101, be used for both linkings on the 201 mutually close edges, and keep vertical mutually with both respectively, the length of terminal 10 linkage sections 102 is bigger than the length of terminal 20 linkage sections 202 simultaneously, thereby guarantee welding section 101, during 201 coplines, keep proper spacing between affixed section 103 of terminal 10 and contact-segment 104 and terminal 20 affixed section 203 and the contact-segment 204.In addition, terminal 10,20 contact-segment 104,204 relative its affixed section 103,203 all have a laterally offset, for the terminal 10 and terminal 20 of the mutual pairing of winding after the moulding, contact-segment 104 relative its offset directions of affixed section 103 of terminal 10 are close mutually with contact-segment 204 relative its offset directions of affixed section 203 of terminal 20, thus just can be upper and lower over against and keep identical distance stacked mutually.Then, press the terminal 10,20 of the needed number of terminals intercepting of electric connector suitable length from terminal material belt 1,2, and borrow the positioner of injection mold 3, by the superimposed setting that interlaces of pre-provisioning request, make between upper and lower stacked terminal 10 and the terminal 20 corresponding one by one it.
The second, injection mo(u)lding step B:
Please cooperate again and consult Fig. 3 and Fig. 4, utilize injection forming mold 3 will be contained in the row of two in mould terminal 10,20 and fix as one with insulating material.Wherein injection forming mold 3 comprises upper bolster 30, the die shoe 31 that can mate mutually, respectively be provided with some dies 301,310 that two rows keep certain interval in twos on upper bolster 30 and the die shoe 31, and two on each die holder 30,31 row die 301,310 maintains certain spacing between separately, and two row's dies 301,310 of upper and lower die holder 30,31 can be housed in the die gap of the die holder that is involutory just mutually.In addition, respectively be provided with on the upper and lower die holder 30,31 have thick portion 320 and thin portion 321 reference column 32 as positioner, wherein reference column 32 and corresponding one by one near the location hole 120,220 on second connecting band 12,22 of two row's terminals 10,20 contact-segments 104,204, and its thick portion 320 and portion 321 carefully can pass through the location hole 120,220 in different apertures on the connecting band 12,22 just.
Utilize the structure of aforementioned terminal material belt and mould, with two row's terminals 10,20 superimposed being arranged on the die shoe 31, and keep two row's terminals 10,20 have certain side direction dislocation each other, make stacked two row's terminals 10, the location hole 120 in different apertures on 20,220 interlock aligns and is positioned at respectively, in the thick portion 320 and thin portion 321 of die shoe 31 reference columns 32, make two stacked row's terminals 10 simultaneously, 20 keep certain interval, at this moment, on, die shoe 30,31 die 301,310 corresponding with it respectively terminals 10,20 align automatically, and each die holder 30, two row's dies 301 separately on 31, terminal 10 can suitably be accommodated just in 310 interval, 20 affixed section 103,203.
When last, die shoe 30,31 when closing up, on, following die 301,310 by arranging terminal together affixed in twos section 103,203 specific gap and accommodating mutually, and the promotion same row terminal 10 corresponding with it, 20 contact-segment 104,204 are separated from each other, and its welding section 101,201 because the length difference is only supported and the maintenance copline by mould 3 each other, at this moment, because two row's terminals 10,20 maintain suitable lateral displacement, make the welding section 103 of each terminal 10 be positioned at just on the gap of corresponding second terminal, 20 welding sections 203 between in twos, simultaneously, be positioned at two row's terminals 10,20 welding sections 101, first connecting band 11 of 201 terminal edge mutual butt under the matched moulds effect is exerted pressure, thereby the welding section 203 that makes first connecting band 11 of terminal 20 and engage produces small elastic displacement towards first connecting band, 11 directions away from terminal 10, this elastic displacement can set back when exert pressure disappearance automatically, in addition, the reference column 32 of upper bolster 30 also cooperatively interacts with corresponding terminal position hole 120, to keep the location of terminal 10, last, die shoe 30,31 close up fully after, on it, following die 301,310 closely cooperate mutually and seal the terminal 10 that is contained in the mould 3,20.Carry out injection moulding then, divide to get final product behind the mould as the combination semi-finished product of Fig. 5 and modular terminals seat 4 shown in Figure 6.
Three, cut off step C:
Through the terminal of injection mo(u)lding step B gained and the combination semi-finished product of terminal base 4 thereof, further remove second connecting band 12,22 that two row's terminals 10,20 are positioned at contact-segment 104,204 edges through the program of cutting off, just obtain being suitable for the modular high density of terminals semi-finished product of winding, again terminal 10,20 is suitably put in order, to help terminal and terminal base 4 thereof and electric connector insulating body 5 and other assemblies (shown in Figure 7) winding mutually.
Four, winding step D:
As shown in Figure 7, will be through the terminal that cuts off step C gained and the combination semi-finished product of terminal base 4, at first group is gone in 5 corresponding reception rooms 50 that are provided with of insulating body of electric connector, and keep the contact-segment 104,204 of terminal 10,20 to be housed in respectively in the location notch 51 of reception room 50, on its docking section 52, wait other component groups to be connected into one (shown in Figure 8) metal shell 6 again.
At last, amputation terminal 10,20 welding section 101, first connecting band 11 of 201 terminal edge, can obtain finished product as shown in figure 10, arrange terminals 10 this moment aforementioned two, 20 welding sections 101, the disappearance of exerting pressure of 201 mutual butt, borrow the characteristic of recovering automatically, terminal 20 welding sections 201 in injection molding process generation away from elastic displacement just rely on the welding section of terminal 10 automatically and set back, thereby keep terminal 10,20 welding section 101, in 201 the gaps between being arranged in twos mutually, and make terminal 10,20 welding sections 101,201 have coplanarity preferably.
Claims (9)
1. the manufacture method of a modular terminals of electric connector is used at least two row's terminal group separated from one another are integral, so that terminal group is gone in the electric connector, it is characterized in that: this method includes according to its manufacturing process:
A. punch forming step, at first punching out goes out two rows are connected guiding by the connecting band with locating structure terminal material belt, and make the locating structure on different rows' the terminal material belt connecting band just become corresponded manner to dispose, and during the stacked alignment of the set contact-segment of two row's terminals one ends, its predetermined for the injection moulding of insulation plastic cement affixed section is dislocation and disposes;
B. injection mo(u)lding step, two row's terminals directly are contained in the mould of being made up of upper and lower die holder, and upper and lower die holder is respectively arranged with the positioner that can cooperate with the locating structure of terminal and make affixed section of terminal keep specific interval and be separated from each other in mould, the mold-closing injection moulding obtains affixed terminal and makes its modular terminal base then;
C. cut off step, two row's terminals that will be on injection mo(u)lding step gained terminal base are positioned at the connecting band of locating structure one side to be removed, and obtains being suitable for the modular high density of terminals semi-finished product of winding.
2. the manufacture method of modular terminals of electric connector as claimed in claim 1 is characterized in that: two made row's terminal position structures of punch forming step are that punching out forms to have and varies in size the aperture and be staggered several location holes that are provided with on connecting band.
3. the manufacture method of modular terminals of electric connector as claimed in claim 1, it is characterized in that: the made terminal of punch forming step includes welding section, linkage section, affixed section and the contact-segment that order engages, contact-segment and affixed section roughly are state parallel to each other with welding section, linkage section then is located at affixed section and the mutually close ora terminalis of welding section and is used for both linkings, and roughly keeps vertical mutually with both respectively.
4. the manufacture method of modular terminals of electric connector as claimed in claim 3, it is characterized in that: the affixed section mutual respectively close oblique lateral displacement that has relatively separately of the contact-segment of punch forming step gained two row's terminals, and when affixed section mutual side direction staggered orientation, the contact-segments of two row's terminals can keep aligning mutually just.
5. the manufacture method of modular terminals of electric connector as claimed in claim 3, it is characterized in that: the linkage section length of punch forming step gained two row's terminals is different, when two row's terminal welding sections are in the same plane, all maintain proper spacing between affixed section of two row's terminals and contact-segment.
6. the manufacture method of modular terminals of electric connector as claimed in claim 1 is characterized in that: the connecting bands of two row's terminals be in the appropriate position of termination contact section and the terminal edge of welding section respectively punching out form.
7. the manufacture method of modular terminals of electric connector as claimed in claim 1, it is characterized in that: in the injection mo(u)lding step, the two-terminal strip is stacked on the die shoe, and certain side direction dislocation is arranged by match with location hole on the terminal material belt affixed sections of keeping two row's terminals of the positioner on the upper and lower die holder.
8. equipment that is used for the manufacture method of the described modular terminals of electric connector of claim 1, has the mould that comprises upper and lower two die holders, and upper and lower die holder can cooperatively interact, and it is characterized in that: the position of corresponding terminal strip location hole is respectively arranged with the some reference columns with thick portion and thin portion on the upper and lower die holder.
9. the equipment that is used for the manufacture method of modular terminals of electric connector as claimed in claim 8, it is characterized in that: the external diameter of the thick portion of reference column is slightly littler than the aperture of the big location hole of terminal material belt, and it is bigger than the aperture of little location hole, the external diameter of the thin portion of reference column is slightly littler than the aperture of the little location hole of terminal material belt simultaneously, can distinguish just by the different large and small location hole in aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB99113415XA CN1140021C (en) | 1999-01-15 | 1999-01-15 | Method and equipment for manufacturing modular terminals of electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB99113415XA CN1140021C (en) | 1999-01-15 | 1999-01-15 | Method and equipment for manufacturing modular terminals of electric connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1261215A true CN1261215A (en) | 2000-07-26 |
| CN1140021C CN1140021C (en) | 2004-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB99113415XA Expired - Fee Related CN1140021C (en) | 1999-01-15 | 1999-01-15 | Method and equipment for manufacturing modular terminals of electric connector |
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| Country | Link |
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| CN (1) | CN1140021C (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100365880C (en) * | 2003-09-26 | 2008-01-30 | 富士康(昆山)电脑接插件有限公司 | Mfg method of electrical connector |
| CN101488637B (en) * | 2008-01-19 | 2010-11-03 | 富港电子（东莞）有限公司 | Production process for connector |
| CN101552421B (en) * | 2009-05-18 | 2011-01-05 | 安徽汇精模具研发科技有限公司 | Double-layer wiring terminal follow die of low-voltage electrical apparatus |
| CN102214862A (en) * | 2010-04-02 | 2011-10-12 | 富士康(昆山)电脑接插件有限公司 | Manufacturing method of surface welding element and electric connector with same |
| CN103166088A (en) * | 2011-12-09 | 2013-06-19 | 日本航空电子工业株式会社 | Method of manufacturing a connector having a narrow-pitch contact group and connector |
| CN103579886A (en) * | 2012-07-26 | 2014-02-12 | 宏致电子股份有限公司 | Connector manufacturing method |
| CN107014259A (en) * | 2017-03-17 | 2017-08-04 | 贵州全安密灵科技有限公司 | A kind of electric detonator plug-in quick wire clamp structure and its production method |
| CN107359494A (en) * | 2017-07-14 | 2017-11-17 | 东莞市进茂电子有限公司 | A kind of highdensity high speed connector manufacture method |
| CN110729615A (en) * | 2019-10-28 | 2020-01-24 | 南京晶捷生物科技有限公司 | Method for manufacturing contact type spring sheet group |
| CN110932006A (en) * | 2018-08-08 | 2020-03-27 | 富顶精密组件（深圳）有限公司 | Electric connector and manufacturing method thereof |
| CN111628320A (en) * | 2020-06-24 | 2020-09-04 | 东莞立讯技术有限公司 | Terminal structure, manufacturing method of terminal structure and electric connector |
| US11527861B2 (en) | 2018-08-08 | 2022-12-13 | Foxconn (Kunshan) Computer Connector Co., Ltd. | Method of assembling contacts into housing via respective contact carriers discrete from one another |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM332290U (en) * | 2007-09-29 | 2008-05-11 | Molex Inc | Electrical connector |
-
1999
- 1999-01-15 CN CNB99113415XA patent/CN1140021C/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100365880C (en) * | 2003-09-26 | 2008-01-30 | 富士康(昆山)电脑接插件有限公司 | Mfg method of electrical connector |
| CN101488637B (en) * | 2008-01-19 | 2010-11-03 | 富港电子（东莞）有限公司 | Production process for connector |
| CN101552421B (en) * | 2009-05-18 | 2011-01-05 | 安徽汇精模具研发科技有限公司 | Double-layer wiring terminal follow die of low-voltage electrical apparatus |
| CN102214862A (en) * | 2010-04-02 | 2011-10-12 | 富士康(昆山)电脑接插件有限公司 | Manufacturing method of surface welding element and electric connector with same |
| US9124045B2 (en) | 2011-12-09 | 2015-09-01 | Japan Aviation Electronics Industry, Limited | Methods of manufacturing a connector component having a narrow-pitch connector group |
| CN103166088A (en) * | 2011-12-09 | 2013-06-19 | 日本航空电子工业株式会社 | Method of manufacturing a connector having a narrow-pitch contact group and connector |
| CN103579886A (en) * | 2012-07-26 | 2014-02-12 | 宏致电子股份有限公司 | Connector manufacturing method |
| CN103579886B (en) * | 2012-07-26 | 2016-01-20 | 宏致电子股份有限公司 | The manufacture method of connector |
| CN107014259A (en) * | 2017-03-17 | 2017-08-04 | 贵州全安密灵科技有限公司 | A kind of electric detonator plug-in quick wire clamp structure and its production method |
| CN107359494A (en) * | 2017-07-14 | 2017-11-17 | 东莞市进茂电子有限公司 | A kind of highdensity high speed connector manufacture method |
| CN110932006A (en) * | 2018-08-08 | 2020-03-27 | 富顶精密组件（深圳）有限公司 | Electric connector and manufacturing method thereof |
| US11527861B2 (en) | 2018-08-08 | 2022-12-13 | Foxconn (Kunshan) Computer Connector Co., Ltd. | Method of assembling contacts into housing via respective contact carriers discrete from one another |
| CN110729615A (en) * | 2019-10-28 | 2020-01-24 | 南京晶捷生物科技有限公司 | Method for manufacturing contact type spring sheet group |
| CN111628320A (en) * | 2020-06-24 | 2020-09-04 | 东莞立讯技术有限公司 | Terminal structure, manufacturing method of terminal structure and electric connector |
| CN111628320B (en) * | 2020-06-24 | 2022-02-01 | 东莞立讯技术有限公司 | Terminal structure, manufacturing method of terminal structure and electric connector |
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|---|---|
| CN1140021C (en) | 2004-02-25 |
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