CN101150239A - Welding connection method of cable connector with dual-bar connection pin - Google Patents
Welding connection method of cable connector with dual-bar connection pin Download PDFInfo
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- CN101150239A CN101150239A CNA2007100273009A CN200710027300A CN101150239A CN 101150239 A CN101150239 A CN 101150239A CN A2007100273009 A CNA2007100273009 A CN A2007100273009A CN 200710027300 A CN200710027300 A CN 200710027300A CN 101150239 A CN101150239 A CN 101150239A
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Abstract
This invention relates to a weld connecting method for circuit connectors with dual-rows of connecting pins characterizing in applying an arrangement tool, a cut tool and an aligning tool to realize contraposition joint of weld end of core wire and plug legs, realizing connection by melting soldering tin and heating with HF induction welder or pulse weld heating to finish weld and finishing by peeling off the skin of wire head, grouping core wire into two parallel lines, peeling off the two parallel lines, dipping weld legs into tin and accurate contraposition and butt-joint between weld ends, plug and corresponding legs of the two parallel lines.
Description
The present invention relates to a kind of method that is welded to connect, as being welded to connect of hyperfrequency split conductor path connectors such as DVI, HDMI, UDI with line connector of dual-bar connection pin.
Field that the present invention belongs to:
The invention belongs to the High-Frenquency Electronic Circuit connector and make the field.
Technical background:
Be applied in the line connector (this paper is called for short connector) that use in fields such as making the high hyperfrequency telecommunications of transport properties requirement, communication, video broadcasting, multimedia, computer technology, often need be welded to connect connection-peg and transmission cable.Yet the circuit to the intensive high integration of stitch connects, (the pin distance: conduction stitch centre-to-centre spacing) 1mm is with interior HDMI high-res multimedia connector as the pin distance, the difficulty that is welded to connect is very high, be difficult to direct manual welding, so begin to have the distressed structure of plug to occur, the crossings on different level conversion of the connection pin by complexity makes the weldering end that connects pin be the step arrangement state of sparse multilayer, implements the electric iron manual welding then.
Even now can be realized being welded to connect, but the efficient of manual welding and quality are very difficult satisfactory.
Invention task and technical scheme:
Because the double leg of plug has been accurate, intensive array status, and the heart yearn of cable is at random, realize the high efficiency and the high-quality of connection procedure, need arrange heart yearn weldering end and be positioned to equal accurate two rows that arrange, contraposition overlap joint assembling fast by leg realizes the soldering of leg by solder(ing) paste.
The present invention needs to solve the key technical problem of managing line, cut-out and peeling, positioning and clamping, four aspects of welding fast simultaneously could realize the automation of welding process, thereby efficient high-quality is finished the operation that is welded to connect in the connector manufacturing.
The present invention proposes such implementation method: adopt reason line tool to finish the grouping of cable heart yearn, alignment, in a row and accurately locate, adopt line row to cut cut-out and the peeling of weldering end that the stripping tool is realized two alignments row, heart yearn weldering end after the peeling needs wicking to handle, prevent the at random of trickle copper core, and the quick-clamping location of plug leg and heart yearn weldering end is to adopt locating tool to realize, its precondition is by reason line tool all heart yearns to be distributed into the two alignments row that the position is arranged parallel to each other accurately, piling up around plug leg that accurate contraposition overlaps and the heart yearn weldering end has solder(ing) paste (solder(ing) paste: promptly sneak into the paste that possesses specific serviceability that forms in the scaling powder by solder powder), and the soldering that employing high-frequency induction heating or impulse welding mode of heating thermofussion welding tin cream are finished all plug legs and cable weldering end is connected.
The leg contraposition concrete below in conjunction with description of drawings connects, the welding implementation method.
Fig. 1: the heart yearn apportion places the teeth groove of reason line tool;
Fig. 2: the assembling of reason line tool and heart yearn forms parallel lines row;
Fig. 3: parallel lines row cuts the blade configuration and the blade structure schematic diagram of stripping tool;
Fig. 4: assembly relation that leg connects and enforcement HFI welding;
Among Fig. 1,1-cable, 3-reason line tool, the upper tooth bar of 31-, the next tooth bar of 32-;
Among Fig. 2,1-cable, 3-reason line tool, 4-parallel lines row, the upper tooth bar of 31-, the next tooth bar of 32-;
Among Fig. 3, the 1-cable, 3-reason line tool, 4-parallel lines row, 5-cuts the stripping tool, the upper tooth bar of 31-, the next tooth bar of 32-, 51-moves scalping blade, and 52-is scalping blade fixedly, and 53-moves cutter blades, and 54-is cutter blades fixedly, the 55-window;
Among Fig. 4,1-cable, 2-plug, 3-reason line tool, 4-parallel lines row, 6-locating tool, 7-magnetic circuit, 8-high frequency magnet exciting coil, 9-solder(ing) paste, the upper tooth bar of 31-, the next tooth bar of 32-;
Illustrate that in Fig. 1 the heart yearn apportion embeds in each teeth groove, has provided A-A to view.Reason line tool (3) among Fig. 1 is represented with block diagram, is an integration module, comprised to the apportion clamping of the fixing and heart yearn of cable and and the adaptable interface of other module when being connected etc., its assembling detail does not draw.Upper tooth bar (31) and the next tooth bar (32) belong to the part of reason line tool.
Illustrate that in Fig. 2 heart yearn is become to possess the two row parallel lines row state that the exact position concerns by upper tooth bar and the meshing clamping of the next tooth bar, apportion, has provided B-B to view.
Illustrate two groups of cutters in Fig. 3, one group is the heart yearn cutting off tool, and one group is heart yearn line end peeling cutter.The direction of arrow is represented the moving blade direction of motion among the figure, illustrate among the figure mobile cutter blades (53) moved down with above-listed parallel lines row cut off, mobile scalping blade (51) moved down the location status that the insulated hull fracture of heart yearn line end is come, at this moment, when the moving blade and the fixed blade of two groups of cutters moves along directions X together, the insulated hull of heart yearn weldering end can be withdrawed from.After this, two groups of cutters reset along directions X, and two moving blades reset along the Y direction and recover holding state at the beginning simultaneously.
The stripping tool of cutting among Fig. 3 is represented with block diagram, is an integration module, has comprised configuration and the detent mechanism and the actuating mechanism of cutting off tool and peeling cutter, and its formation and assembling detail do not draw.Manage line tool (3) and cut tool setting and the assembly relation that has strictness between the stripping tool (5), its assembling detail does not draw.
In Fig. 4, illustrate the contraposition overlap joint state of heart yearn weldering end and plug leg and the assembly relation of high-frequency induction heating, and the local contraposition overlap joint state that illustrates that amplifies.There are strict contraposition assembly relation in reason line tool (3) wherein and locating tool (6), and locating tool (6) has the detent mechanism of locking-type plug (2), the contraposition slide rail of reasonable line tool (3).Its assembling detail does not draw.
The high frequency magnetic field that produces at Fig. 4 medium-high frequency magnet exciting coil (8) circulates by a ferrite magnetic circuit, the contraposition overlapping part of heart yearn weldering end and plug leg places the high frequency magnetic field of magnetic circuit, so leg and weldering are held sensed generation eddy current and generated heat, the thermofussion welding tin cream is filled weld seam, forms welding.The magnetic stripe that contacts with the leg overlapping part in the magnetic circuit 7 is movable, assembling.
Annotate: tool mentioned in this article refers to have the general designation of the module that the mould, anchor clamps etc. of certain 26S Proteasome Structure and Function form.
Finish cable (1) and being welded to connect of plug (2) may further comprise the steps: cable head peeling, heart yearn grouping and be arranged in that two row parallel lines row, the row's cut-out of two row parallel lines and peeling, heart yearn weldering end wicking are handled, accurate contraposition overlap joint, welding, finishing process between two row's heart yearns weldering ends and the corresponding leg of plug (2).
The process that is welded to connect is described below:
1. cable peeling:
At first adopt circle line peeling machine to divest the external insulation skin of cable fast, peeling length generally about 20mm-30mm, is exposed inner heart yearn, and heart yearn quantity is common more than 10, and many persons reach 30, comprise shielding conductor.
2. heart yearn is managed line:
The heart yearn of manual stretching each bar distortion divides into groups heart yearn, number and sorts, and then each heart yearn is inserted in upper tooth bar (31) teeth groove and the next tooth bar (32) teeth groove of reason line tool (3) according to order, illustrates as Fig. 1.The teeth groove spacing of these two tooth bars should be equal fully with plug pin distance, and the outline distance that tooth depth should equal between plug (2) the two row legs adds core line diameter.After being fastened, two tooth bars form confined state shown in Figure 2, so the heart yearn of chaotic is separated two rows that alignment becomes to have the exact position relation, because tooth bar has certain thickness, generally in 2mm to 5mm scope, the teeth groove bottom land generally is V-arrangement or semicircle, so heart yearn becomes the array relation that is parallel to each other in bottom land self-centering and alignment.Like this, appear the heart yearn free end of tooth bar, in certain length range, as satisfying the relation of being arranged in parallel in the 5mm scope basically, be called parallel lines rows (4).
Like this, realized the fast accurate array of heart yearn by the auxiliary simpler manual operations of easy anchor clamps.
3. heart yearn row cuts off and peeling:
The work of place to go core insulation skin is a key factor that influences connector production efficiency, adopt transfer matic row wire stripper that efficient is improved greatly, and do not destroy heart yearn and manage the position degree and the depth of parallelism that forms behind the line, is present problem how double heart yearn cuts the stripping insulated hull the collection row that last process has been finished heart yearn?
Common two row's parallel lines rows' spacing has only 2mm, and cut-out and the peeling of once finishing two row parallel lines row are very difficult, and such equipment also will be very complicated and expensive.
So the present invention has conceived a kind of technical scheme and special cutter.
Technical scheme be two row heart yearns cut at twice the stripping finish, cut at every turn the stripping one row.Cut stripping at every turn and need adopt special cutter and control corresponding action to finish, Tool Design is two groups of cutters, finishes heart yearn for one group and cuts off, and finishes the heart yearn peeling for one group.
Cut the stripping tool (5) two groups of cutters are arranged, wherein the heart yearn cutting off tool by mobile cutter blades (53) and fixedly cutter blades (54) form; The peeling cutter by mobile scalping blade (51) and fixedly scalping blade (52) form; Fixedly cutter blades (54) and fixedly scalping blade (52) all have window (55); When cutting the above-listed heart yearn line of stripping row, following row's heart yearn line comes window (55) space and shelters oneself or pass through and do not touched distortion; Two row parallel lines row (4) skinning operations makes two bites at a cherry, and selects a line row to push in the edge of a knife at first arbitrarily, and the excision unnecessary length of heart yearn also divests insulated hull, overturns 180 ° then, cuts stripping another one line row again.Its assembly relation is seen Fig. 3.
Among Fig. 3, Y direction four-headed arrow represents that mobile cutter blades (53) and mobile scalping blade (51) can move along the direction perpendicular to heart yearn, and the motion of these two blades can be synchronous, also can be asynchronous.Finish after heart yearn cuts off and insulated hull ruptures, mobile cutter blades (53) and mobile scalping blade (51) and fixedly cutter blades (54) fixedly scalping blade (52) move along directions X together, insulated hull along directions X from copper core on straight line withdraw.
Finish after row heart yearn row cuts stripping, overturn 180 °, finish other row's heart yearn again and arrange and cut stripping.
4. heart yearn weldering end wicking is handled:
Because peeling process heart yearn and cutter all do not have spinning movement, trickle copper core in the heart yearn just can not be twisted like this, influence weldering shape (thereby influencing the connector transmission characteristic) and be convenient to add thermal weld for preventing that trickle copper core from scattering, the present invention makes the weldering end of heart yearn be full of scolding tin by wicking technology, make heart yearn weldering end possess certain stiff degree and glacing flatness, satisfy follow-up matching requirements on the one hand, be convenient to heart yearn weldering end heating on the other hand and soak molten.
5. accurate assembling:
Finish the two row parallel lines rows (4) after heart yearn weldering end peeling and wicking are handled, the omnidistance position constraint of dependence reason line tool (3) is proper alignment still, like this, each heart yearn weldering end and plug leg have the accurate relation of correspondence position one by one, locating tool (6) has the mechanism of unidirectional slip, can finish the slidable fit of reason line tool module and locating tool module, realize the overlap joint contraposition of heart yearn weldering end and connection-peg leg.The final assembly relation that forms is seen Fig. 4.
In the magnetic circuit among Fig. 4 (7) and the contacted magnetic stripe of leg overlapping part be movable, assembling, compress heart yearn weldering end so can assist, keep heart yearn weldering end to contact the assurance welding quality with the good of plug leg.
Owing to be welded to connect is that a kind of soldering connects, so hold or a certain side's coating of connection-peg leg solder(ing) paste (9) in the heart yearn weldering at least before the contraposition overlap joint.After finishing overlap joint, lap-joint should pile up solder(ing) paste (9).In addition, because the interval that has the stupefied limit of plastics to form between each leg of the same row's leg of plug (2), the stupefied limit of these plastics forms when being plug (2) injection mo(u)lding, and these play the heart yearn interval action that welds when holding contraposition, the leg adhesion that forms when preventing the solder(ing) paste fusion simultaneously in stupefied limit at interval.
6. sweat soldering:
Connector reason line, wire stripping and contraposition work the most consuming time is produced in manual welding, by technique scheme become automation and high efficiency, finish heart yearn weldering end and plug leg contraposition overlap joint after, just can finish welding as long as heat overlapping part.The mode of heating has multiple modes such as HFI welding and impulse welding welding, and secondly first-selected HFI welding is the impulse welding welding, the former is the inductive loop heating of leg conductor, belongs to the internal heat type heating, and speed is fast, effective, the latter belongs to the conduction mode of heating, and welding quality is good not as the former.
Implement the connector assembling relation of welding and see Fig. 4.
7. finishing:
Because welding back always exists some rosin, residue such as molten solder not, so, to requiring extreme strict ultra-high frequency signal transmission occasion, generally need improve insulation characterisitic and transmission characteristic to the welding position clean.
In addition, can manually revise the leg that indivedual rosin joints and contraposition deviation exceed standard, generally be manual remelting welding.Finish be welded to connect after, connecting portion is passed through the injection-molded plastic package casing again.Article one, complete line connector finished product is born.
The good effect that invention produces:
Before this, the connector that this highly dense leg is arranged all is to adopt manual welding, be to reaching 20 The root heart yearn connects one by one peeling twisting, upper tin etc., also will use each leg of tweezers contraposition below magnifying glass, With thick electric iron and each trickle leg of solder stick soldering, welding efficiency is very low, the percent defective height, The operating cost height, technical scheme of the present invention realizes the automation of assembling and welding process, welding cost less than Manual welding 1/10. and, the high-frequency transmission characteristic of connector promotes significantly.
Claims (5)
1. method that is welded to connect with line connector of dual-bar connection pin, finishing cable (1) may further comprise the steps with being connected of plug (2), cable head peeling, heart yearn are grouped into two row parallel lines row, two row parallel lines arrange cut-out and peeling, leg wicking are handled, two accurate contraposition overlap joint, welding, the finishing process of arranging between heart yearns weldering end and the plug correspondence leg, it is characterized in that: have a reason line tool (3) realization heart yearn at random to be arranged in two row parallel lines rows (4) orderly, that have the exact position to require; There is one to cut cut-out and the peeling processing that stripping tool (5) is realized two row parallel lines rows (4); There is a locating tool (6) to realize the accurate contraposition overlap joint of two row parallel lines rows (4) weldering end and plug (2) leg; Between heart yearn weldering end and plug leg, be coated with solder(ing) paste, adopt high-frequency induction welder or pulsating welder heating leg, fusion weld tin cream, realize being welded to connect of plug leg and heart yearn weldering end.
2. the method that is welded to connect with line connector of dual-bar connection pin according to claim 1, it is characterized in that: reason line tool (3) is the spacing and positioning fixture of a heart yearn, it comprises that two have certain thickness (2mm-5mm scope usually) meshing linear gear rack together mutually, every heart yearn to be made in order is embedded in each teeth groove respectively in regular turn, form the two parallel lines rows (4) that show the exact position relation, tangent line peeling after the resonable line procedures, wicking, weldering end contraposition overlap joint, in the welding process, reason line tool (3) is remaining the location of heart yearn and spacing assembly relation state.
3. the method that is welded to connect with line connector of dual-bar connection pin according to claim 1 is characterized in that: cut the stripping tool (5) two groups of cutters are arranged, wherein the heart yearn cutting off tool by mobile cutter blades (53) and fixedly cutter blades (54) form; The peeling cutter by mobile scalping blade (51) and fixedly scalping blade (52) form; Fixedly cutter blades (54) and fixedly scalping blade (52) all have window (55); When cutting the above-listed heart yearn line of stripping row, following row's heart yearn line comes window (55) space and shelters oneself or pass through and do not touched distortion; Two row parallel lines row (4) skinning operations makes two bites at a cherry, and selects a line row to push in the edge of a knife at first arbitrarily, and the excision unnecessary length of heart yearn also divests insulated hull, overturns 180 ° then, cuts stripping another one line row again.
4. the method that is welded to connect with line connector of dual-bar connection pin according to claim 1, it is characterized in that: locating tool (6) has plug (2) localization part and directed slide rail part, reason line tool (3) moves along directed slide rail together with the assembly that heart yearn forms, finish the accurate one to one contraposition of heart yearn weldering end and plug leg and be the overlap joint state, be coated in advance on the plug leg or heart yearn weldering end on solder(ing) paste (9) just pile up and remain in the leg overlapping part, heating leg and weldering end, the fusion weld tin cream is finished welding.
5. the method that is welded to connect with line connector of dual-bar connection pin according to claim 1 is characterized in that: after the peeling of two row parallel lines row (4) weldering end directly wicking handle, trickle copper core boundling is fused together and not at random.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100273009A CN100517885C (en) | 2007-03-27 | 2007-03-27 | Welding connection method of cable connector with dual-bar connection pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100273009A CN100517885C (en) | 2007-03-27 | 2007-03-27 | Welding connection method of cable connector with dual-bar connection pin |
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| Publication Number | Publication Date |
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| CN101150239A true CN101150239A (en) | 2008-03-26 |
| CN100517885C CN100517885C (en) | 2009-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100273009A Expired - Fee Related CN100517885C (en) | 2007-03-27 | 2007-03-27 | Welding connection method of cable connector with dual-bar connection pin |
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- 2007-03-27 CN CNB2007100273009A patent/CN100517885C/en not_active Expired - Fee Related
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