A kind of winding displacement welding localization tool
Technical field
The present invention relates to the 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; All adopt winding displacement to be connected between a lot of electronic devices such as camera, LCD etc. and the circuit board; Because the golden finger of winding displacement is very thin; Usually every golden finger width is minimum to 0.3mm, and spacing is minimum to 0.5mm, and it is very accurate that operator's contraposition when being welded to winding displacement on the circuit board needs.Because manual alignment can not reach welding requirements usually; Locate mode commonly used at present is to adopt projection to amplify the location (promptly through the camera photography; Enlarged and displayed on display; With enable to observe golden finger have or not with pad locations on the circuit board aim at), adopt base type pilot pin location in addition.And projection is amplified the mode of location and is used and be place one's entire reliance upon operator's the manual operations of apparatus expensive and location; Need artificial device to rectify a deviation to the generation skew; Restricted by factors such as operator's duty, absorbed degree; Being easy to occur the operator influences the phenomenon of locating accuracy because of the fatigue that works long hours, and 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 bases; Drive two locating holes in winding displacement 402 golden fingers are other, also correspondence is driven two locating holes on circuit board 403, during assembling and positioning; Earlier circuit board 403 is put on the tool 401, the locating hole with circuit board 403 packs on the pilot pin 404 again, and then put winding displacement 402 to be welded; Two locating holes of winding displacement 402 are packed into completion location on the pilot pin 404, go up scolding tin at last again.The limitation of this base type pilot pin locate mode is that the zone, the pad back side of circuit board can not have element to block locating hole; Yet zone, the pad back side all has been covered with thickly dotted element on the general circuit plate usually; Move and do not let pilot pin pass between clearancen, so in most cases there is not ideal conditions to use this locate mode to weld the location.
Therefore, blocked the limitation that can not pass from the back side by zone, pad back side components and parts on the circuit board when how to solve the pilot pin location, avoid pilot pin to break the components and parts of back of circuit board, real is the technical problem that needs to be resolved hurrily.
Summary of the invention
The invention provides a kind of simple to operately, the winding displacement welding localization tool of with low cost and accurate positioning is mainly used in and is prone to when how solution avoids traditional pilot pin location pass from zone, the board pads back side and damages the problem of back side components and parts.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of winding displacement welding localization tool is provided, comprises: handle; Connector, said connector is fixedly connected with said handle; Limited post, said limited post is fixed in the both sides of said connector lower surface; Pilot pin, said pilot pin are fixed in the both sides of said connector lower surface and are located between the said limited post; Wherein, said pilot pin is passed the locating hole of winding displacement and circuit board, makes winding displacement and circuit board aligned; Said limited post limits said pilot pin insertion depth, makes its thickness less than circuit board.
Wherein, said connector is a U-shaped spare, and the both sides of the horizontal lower surface of U-shaped openend of said connector are fixed with said limited post and said pilot pin respectively.
Wherein, the U-shaped blind end longitudinal terminal surface of said connector is provided with recessed to transition arc portion.
Wherein, said handle is a rectangular cylinder, and said handle is fixedly connected with the bottom of said connector U-shaped blind end.
Wherein, the horizontal lower surface of U-shaped openend of the axis of said limited post and said pilot pin and said connector is perpendicular.
Wherein, the both sides of the horizontal lower surface of U-shaped openend of said connector are respectively equipped with pilot pin installing hole and limited post installing hole.
Wherein, said pilot pin comprises backshank and syringe needle, and said backshank is installed in the said pilot pin installing hole, is fixedly connected said pilot pin and said connector.
Wherein, said limited post comprises installation end and positive stop end, and said installation end is installed in the said limited post installing hole, is fixedly connected said limited post and said connector.
Wherein, the quantity of said limited post, said pilot pin, said limited post installing hole and said pilot pin installing hole is two.
Wherein, the length of said pilot pin is greater than the length of said reference column, and its length difference is smaller or equal to 0.6mm.
Compared with prior art, the emplacement depth that winding displacement welding localization tool of the present invention inserts pilot pin through the increase limited post carries out spacing, inserts it into the thickness of the degree of depth less than circuit board, thereby has avoided pilot pin to break the components and parts of back of circuit board.Winding displacement welding localization tool of the present invention adopts the pilot pin location, and accurate positioning is reliable, and is simple to operate, inaccurate phenomenon also can not occur locating even the operator works for a long time; Time saving and energy saving, alleviated labour intensity, improved operating efficiency; The present invention simultaneously also has advantages such as simple in structure, that cost is lower, can be widely used in the welding of various electronic devices and components winding displacements, like LCD; Camera, button soft arranging wire, the connection winding displacement of major-minor plate etc.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below, and obviously, the accompanying drawing in describing below only is some embodiments of the present invention; For those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the work sketch map of prior art winding displacement welding base type pilot pin location;
Fig. 2 is the structural representation of winding displacement welding localization tool of the present invention;
Fig. 3 is the structural representation of limited post and pilot pin among Fig. 2;
Fig. 4 is the scheme of installation that winding displacement welding localization tool of the present invention connects winding displacement;
Fig. 5 is the scheme of installation of winding displacement welding localization tool connecting circuit plate of the present invention;
Fig. 6 is the work sketch map of winding displacement welding localization tool of the present invention location.
The specific embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
See also Fig. 2 and Fig. 3, the present invention provides a kind of winding displacement welding localization tool 1, in order to winding displacement 2 is welded on the circuit board 3 winding displacement 2 and circuit board 3 is positioned, and comprising: handle 101, connector 102, limited post 103, and pilot pin 104.Handle 101 is a rectangular cylinder, and connector 102 is fixedly connected with handle 101, and limited post 103 is fixed in the both sides of connector 102 lower surfaces, and pilot pin 104 is fixed in the both sides of connector 102 lower surfaces and is located between the limited post 103.Pilot pin 104 is passed the locating hole of winding displacement 2 and circuit board 3, makes winding displacement 2 and circuit board 3 aligned, and wherein, the thickness of circuit board 3 is more than or equal to 0.6mm, and limited post 103 restriction pilot pins 104 insertion depths make its thickness less than circuit board 3.
Wherein, Connector 102 is a U-shaped spare; 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 U-shaped opening direction of the direction of handle 101 and connector 102 is opposite; The both sides of the horizontal lower surface of U-shaped openend of connector 102 are fixed with limited post 103 and pilot pin 104 respectively, and the axis of limited post 103 and pilot pin 104 and the horizontal lower surface of U-shaped openend of connector 102 are perpendicular.The both sides of the horizontal lower surface of 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 the pilot pin installing hole 106, is fixedly connected 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 the limited post installing hole 105, is fixedly connected 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 U-shaped openend both sides of connector 103 respectively.The length of pilot pin 104 is greater than the length of reference column 103, and its length difference is smaller or equal to the thickness of circuit board 3.
When using winding displacement of the present invention to weld localization tool 1, like Fig. 4 and shown in Figure 5, in other two locating holes (not drawing among Fig. 4) of opening of winding displacement 2 golden fingers; Also correspondence is driven two locating holes 301 on circuit board 3, and during assembling and positioning, the operator is installed on the backshank 1041 of pilot pin 104 in the pilot pin installing hole 106 earlier; Be fixedly connected pilot pin 104 and connector 102, the installation end 1031 with limited post 103 is installed in the limited post installing hole 105 again, is fixedly connected limited post 103 and connector 102; Then two locating holes with winding displacement 2 are inserted in the syringe needle 1041 of pilot pin 104; Hand grip 101 then, make winding displacement welding localization tool 1 overhang circuit board to be connected 3 tops, with two locating holes 301 of the syringe needle 1042 alignment circuit plates 3 of pilot pin 104; Vertically fall in this locating hole 301; Promptly accomplish location and installation, at the hollow out place of connector 102U shape openend winding displacement 2 and circuit board 3 are carried out the scolding tin operation with electric iron more at last, thereby accomplish winding displacement 2 welding operations.
Wherein, As shown in Figure 6, in the time of in pilot pin 104 is inserted the locating hole 301 on the circuit boards 3 pad faces, the pad face is vertical offsets for the limiting section 1032 of limited post 103 and circuit board 3; Because the length difference of limited post 103 and pilot pin 104 is smaller or equal to 0.6mm; Limited post 103 restriction pilot pins 104 insertion depths insert it into the thickness of the degree of depth less than circuit board 3, thereby have avoided pilot pin 104 to break the components and parts at circuit board 3 back sides.Before the welding positioning action, the operator can select for use the limited post 103 of appropriate length with pilot pin 104 a suitable spacing degree of depth to be provided according to the actual conditions control of circuit board to be welded, prevents that pilot pin 104 from passing from the circuit board 3 pad back sides.
In sum, the emplacement depth that winding displacement welding localization tool of the present invention inserts pilot pin through the increase limited post carries out spacing, inserts it into the thickness of the degree of depth less than circuit board, thereby has avoided pilot pin to break the components and parts of back of circuit board; The present invention adopts the pilot pin location; Accurate positioning is reliable, and is simple to operate, inaccurate phenomenon also can not occur locating even the operator works for a long time; Time saving and energy saving; Thereby improved operating efficiency, alleviated labour intensity, advantage such as that the present invention simultaneously has is simple in structure, cost is lower and clamping is firmly efficient.
More than be merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.