A kind of winding displacement welding localization tool
Technical field
The present invention relates to electronic devices and components welding field, particularly relate to a kind of winding displacement welding localization tool.
Background technology
Flexible PCB or FPC soft arranging wire are a kind of flexible printed circuits, a lot of electronic device is connected as all adopted winding displacement between camera, LCD etc. with circuit board, because the golden finger of winding displacement is very thin, usually every bar golden finger width is minimum to 0.3mm, spacing is minimum to 0.5mm, and it is very accurate that operator's contraposition when being welded on circuit board by winding displacement needs.Because manual alignment can not reach welding requirements usually, locate mode conventional at present adopts projective amplification location (namely to be photographed by camera, amplify display over the display, golden finger is observed with the pad locations on circuit board with or without aiming at enable), also have and adopt base type pilot pin location.And the manual operations of operator and location places one's entire reliance upon for apparatus expensive of the mode of projective amplification location, need manually to rectify a deviation to the device producing skew, restrict by factors such as the duty of operator, absorbed degree, be easy to occur that operator affects the phenomenon of location accuracy because of the fatigue worked long hours, the operating efficiency of this locate mode is lower and equipment cost is high.If adopt base type pilot pin location in addition, as shown in Figure 1, pilot pin 404 is fixed on tool 401 base, and drive two locating holes in winding displacement 402 golden finger is other, on circuit board 403, also correspondence drives two locating holes, during assembling and positioning, first circuit board 403 is put on tool 401, then the locating hole of circuit board 403 is packed in pilot pin 404, and then put winding displacement 402 to be welded, two of winding displacement 402 locating holes are packed in pilot pin 404 and completes location, finally go up scolding tin again.The limitation of this base type pilot pin locate mode is that the pad rear surface regions of circuit board can not have element to block locating hole, but pad rear surface regions has all been covered with thickly dotted element on usual general circuit plate, move and between clearancen, do not allow pilot pin pass, so in most cases do not have ideal conditions to use this locate mode to carry out welding location.
Therefore, blocked the limitation that can not pass from the back side by pad rear surface regions components and parts on circuit board when how to solve pilot pin location, avoid pilot pin to break the components and parts of back of circuit board, real is technical problem urgently to be resolved hurrily.
Summary of the invention
The invention provides a kind of simple to operate, winding displacement that is with low cost and accurate positioning welds localization tool, is mainly used in solving when how to avoid traditional pilot pin to locate easily passing from board pads rear surface regions and damaging the problem of back side components and parts.
The present invention solves the problems of the technologies described above adopted technical scheme: provide a kind of winding displacement to weld localization tool, comprising: handle; Connector, described connector is fixedly connected with described handle; Limited post, described limited post is fixed on the both sides of described connector lower surface; Pilot pin, described pilot pin is fixed on the both sides of described connector lower surface and is located between described limited post; Wherein, described pilot pin passes the locating hole of winding displacement and circuit board, winding displacement is aimed at circuit board and locates; Described limited post limits described pilot pin insertion depth, makes it be less than the thickness of circuit board.
Wherein, described connector is U-shaped part, and the both sides of the horizontal lower surface, U-shaped openend of described connector are fixed with described limited post and described pilot pin respectively.
Wherein, the U-shaped blind end longitudinal terminal surface of described connector is provided with recessed to transition arc portion.
Wherein, described handle is rectangular cylinder, and described handle is fixedly connected with the bottom of described connector U-shaped blind end.
Wherein, the horizontal lower surface of the axis of described limited post and described pilot pin and the U-shaped openend of described connector is perpendicular.
Wherein, the both sides of horizontal lower surface, the U-shaped openend of described connector are respectively equipped with pilot pin installing hole and limited post installing hole.
Wherein, described pilot pin comprises backshank and syringe needle, and described backshank is installed in described pilot pin installing hole, is fixedly connected with described pilot pin and described connector.
Wherein, described limited post comprises installation end and positive stop end, and described installation end is installed in described limited post installing hole, is fixedly connected with described limited post and described connector.
Wherein, the quantity of described limited post, described pilot pin, described limited post installing hole and described pilot pin installing hole is two.
Wherein, the length of described pilot pin is greater than the length of described locating dowel, and its length difference is less than or equal to 0.6mm.
Compared with prior art, winding displacement welding localization tool of the present invention carries out spacing by increasing limited post to the emplacement depth that pilot pin is inserted, and inserts it into the thickness that the degree of depth is less than circuit board, thus avoids the components and parts that pilot pin breaks back of circuit board.Winding displacement welding localization tool of the present invention adopts pilot pin location, and accurate positioning is reliable, simple to operate, even if operator for a long time work also there will not be the phenomenon of locating and being forbidden, time saving and energy saving, alleviate labour intensity, improve operating efficiency, the present invention simultaneously also has the advantages such as structure is simple, cost is lower, can be widely used in the welding of various electronic devices and components winding displacement, as LCD, camera, button soft arranging wire, the connection winding displacement etc. of major-minor plate.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the operating diagram of prior art winding displacement welding base type pilot pin location;
Fig. 2 is the structural representation of winding displacement of the present invention welding localization tool;
Fig. 3 is the structural representation of limited post and pilot pin in Fig. 2;
Fig. 4 is the scheme of installation that winding displacement of the present invention welding localization tool connects winding displacement;
Fig. 5 is the scheme of installation of winding displacement of the present invention welding localization tool connecting circuit board;
Fig. 6 is the operating diagram of winding displacement of the present invention welding localization tool location.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 2 and Fig. 3, the invention provides a kind of winding displacement welding localization tool 1, in order to winding displacement 2 is welded on circuit board 3, winding displacement 2 and circuit board 3 are positioned, comprising: handle 101, connector 102, limited post 103 and pilot pin 104.Handle 101 is rectangular cylinder, and connector 102 is fixedly connected with handle 101, and limited post 103 is fixed on the both sides of connector 102 lower surface, and pilot pin 104 is fixed on the both sides of connector 102 lower surface and is located between limited post 103.Pilot pin 104 passes the locating hole of winding displacement 2 and circuit board 3, and winding displacement 2 is aimed at circuit board 3 and locates, wherein, the thickness of circuit board 3 is more than or equal to 0.6mm, and limited post 103 limits pilot pin 104 insertion depth, makes it be less than the thickness of circuit board 3.
Wherein, connector 102 is U-shaped part, the U-shaped blind end longitudinal terminal surface of connector 102 is provided with recessed to transition arc portion 1021, and handle 101 is fixedly connected with the bottom of the U-shaped blind end of connector 102, and the direction of handle 101 is contrary with the U-shaped opening direction of connector 102; The both sides of the horizontal lower surface, U-shaped openend of connector 102 are fixed with limited post 103 and pilot pin 104 respectively, and the horizontal lower surface of the axis of limited post 103 and pilot pin 104 and the U-shaped openend of connector 102 is perpendicular.The both sides of the horizontal lower surface, U-shaped openend of connector 102 are respectively equipped with limited post installing hole 105 and pilot pin installing hole 106.Pilot pin 104 comprises backshank 1041 and syringe needle 1042, and backshank 1042 is installed in pilot pin installing hole 106, is fixedly connected with pilot pin 104 and connector 102.Limited post 103 comprises installation end 1031 and positive stop end 1032, and installation end 1031 is installed in limited post installing hole 105, is fixedly connected with limited post 103 and connector 102.The quantity of limited post 103, pilot pin 104, limited post installing hole 105 and pilot pin installing hole 106 is two, is symmetrically distributed in the both sides, U-shaped openend of connector 103 respectively.The length of pilot pin 104 is greater than the length of locating dowel 103, and its length difference is less than or equal to the thickness of circuit board 3.
When using winding displacement of the present invention to weld localization tool 1, as shown in Figure 4 and Figure 5, two locating holes (not drawing in Fig. 4) are opened in winding displacement 2 golden finger is other, on circuit board 3, also correspondence drives two locating holes 301, during assembling and positioning, the backshank 1041 of pilot pin 104 is first installed in pilot pin installing hole 106 by operator, be fixedly connected with pilot pin 104 and connector 102, again the installation end 1031 of limited post 103 is installed in limited post installing hole 105, be fixedly connected with limited post 103 and connector 102, then two of winding displacement 2 locating holes are inserted in the syringe needle 1041 of pilot pin 104, then hand grip 101, making winding displacement weld localization tool 1 overhangs above circuit board 3 to be connected, by two locating holes 301 of the syringe needle 1042 alignment circuit plate 3 of pilot pin 104, vertically fall in this locating hole 301, namely location and installation is completed, finally with the hollow part of electric iron in connector 102U shape openend, soldering operation is carried out to winding displacement 2 and circuit board 3 again, thus complete winding displacement 2 welding operation.
Wherein, as shown in Figure 6, when pilot pin 104 is inserted in the locating hole 301 on circuit board 3 pad face, the limiting section 1032 of limited post 103 is vertical with circuit board 3 pad face to offset, because limited post 103 and the length difference of pilot pin 104 are less than or equal to 0.6mm, limited post 103 limits pilot pin 104 insertion depth, inserts it into the thickness that the degree of depth is less than circuit board 3, thus avoids the components and parts that pilot pin 104 breaks circuit board 3 back side.Before welding positioning action, operator can control to select the limited post 103 of appropriate length and pilot pin 104 to provide a suitable spacing degree of depth according to the actual conditions of circuit board to be welded, prevents pilot pin 104 from passing from the circuit board 3 pad back side.
In sum, winding displacement welding localization tool of the present invention carries out spacing by increasing limited post to the emplacement depth that pilot pin is inserted, and inserts it into the thickness that the degree of depth is less than circuit board, thus avoids the components and parts that pilot pin breaks back of circuit board; The present invention adopts pilot pin to locate, accurate positioning is reliable, simple to operate, even if operator for a long time work also there will not be the phenomenon of locating and being forbidden, time saving and energy saving, thus improve operating efficiency, alleviate labour intensity, simultaneously the present invention has that structure is simple, cost is lower and the advantage such as firm grip is efficient.
These are only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.