A kind of lamp bar wiring board forming method
Technical field
The present invention relates to photoelectric circuit board fabrication method technical field, be specifically related to a kind of Light bar wiring board forming method.
Background technology
Light bar wiring board is a kind of of photoelectric circuit board, and Light bar refers to lamp bar, and Light bar wiring board is lamp bar wiring board, and its main application is to provide backlight for luminescent panel.Light bar wiring board has thin thickness, feature that length-width ratio is large, and thickness of slab is below 0.7mm conventionally, and length-width ratio is more than 70:1, and therefore, the luminescent panel that adopts this type of wiring board to make has thin thickness, lightweight advantage.But because Light bar wiring board thin thickness, length-width ratio are large, this makes the moulding of Light bar wiring board complicated compared with common line plate.The forming method of existing Light bar wiring board, generally comprise following processing step: step 1, as shown in Figure 1, on PNL plate 10 to be formed, be designed to as required molded line 1b, at form wire 1b with a plurality of set plates 20 of interior design, and in four corners of each set plate 20, be respectively equipped with location hole 1a and be provided with both direction hole 1d at PNL plate 10 form wire 1b moulding housing 1c bottom moulding in addition, the position of then pressing location hole on forming machine plants location PIN, then will on PNL sleeve-board, locate on PIN by the direction indication of direction hole 1d; Step 2, the moulding housing 1c gong beyond PNL plate 10 form wire 1b is removed; Step 3, as shown in Figure 1, 2, PNL plate 10 need to be molded to set plate 20 by design, each set plate 20 is shaped to the forming tank 2b of a plurality of PCS plate 2a and separation PCS plate, as shown in Figure 3, the molding mode of forming tank 2b is: first use with the matched milling cutter 3a of forming tank 2b groove width by all forming tank gongs out, then with milling cutter 3b, refine is done in forming tank 2b both sides; After step 4, set plate 20 form out, by V-cut machine V-cut, go out V hole 2c, finally obtain finished product set plate 20.This Light bar wiring board forming method has following shortcoming: 1, because of more than Light bar wiring board length-width ratio reaches 70:1, and plate thickness is thinner, therefore its intensity is very poor, so in step 3, PCS plate 2a is subject to the Milling Force of milling cutter 3b and pushes and flexural deformation, and arch appears in centre, thereby causes intermediate plate wide abnormal, cause off-dimension, finally affect product quality; In step 4, set plate 20 is subject to the impact of bed knife while crossing V-cut machine, the phenomenon arching upward in the middle of occurring, thus cause position, V hole not right, off-dimension.2, because PCS plate 2a width is less, be generally 5mm, and have forming tank 2b between each PCS plate 2a, therefore it is excessive to be prone to V-cut when set plate 20 is crossed V-cut when being V-cut, and make PCS plate 2a and the abnormal of frame 2d disconnection that fracture.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of Light bar wiring board forming method that can guarantee Light bar wiring board production quality.
For solving the problems of the technologies described above, the technical scheme that invention provides is: a kind of Light bar wiring board forming method, comprises the following steps:
Step 1, on PNL plate to be formed, be designed to molded line, at form wire with a plurality of set plates of interior design, and in each set plate four corner, be equipped with location hole and be provided with multiple directions hole at PNL plate forming line moulding housing bottom moulding in addition, on forming machine, by position of positioning hole, plant location PIN, by direction hole direction indication, will on PNL sleeve-board, locate on PIN;
Step 2, at the equidistant alternate a plurality of fixing holes of moulding housing top frame mainspring cock jewel, locates PIN with forming machine in cultivation;
Step 3, removes the outer frame bottom of the moulding except the moulding of moulding housing top, left part and right part moulding gong;
Step 4, goes out V by V-cut machine V-cut on PNL plate and cheats;
Step 5, the PNL plate in the good V of V-cut hole is enclosed within on the PIN of forming machine location again, by PNL sheet metal forming housing bottom moulding to top moulding, at moulding housing, by design, need gong successively to go out a plurality of set plates on interior PNL plate, on each set plate, mold again a plurality of PCS plates, between each PCS plate, by forming tank, separated, described V hole forms with region between form wire the frame that fractures and is connected with PCS plate.
Adopt above method to carry out the moulding of Light bar wiring board, by V-cut machine V-cut on PNL plate, go out V when hole, monoblock PNL plate is stressed, and the phenomenon that arches upward in the middle of there will not be avoids causing position, V hole not to, off-dimension, can effectively guarantee V-cut quality.
The above-mentioned operating sequence that molds a plurality of PCS plates on each set plate is: by PNL sheet metal forming housing bottom moulding, to top moulding direction, on set plate, gong goes out forming tank one by one successively.While molding a plurality of PCS plate on each set plate, because there being the fixation of fixing hole, when gong goes out forming tank, there will not be the middle arch of PCS plate, can guarantee product quality.
When gong goes out each formation of lots groove, first with milling cutter gong, go out forming tank following, then gong goes out forming tank top.This kind of forming tank gong goes out mode and can guarantee that milling cutter is to the operation of whole PNL plate, and not to the operation of PCS plate, in the time of can avoiding the operation of PCS plate, PCS plate is pushed and flexural deformation by the Milling Force of milling cutter, causes occurring arch affecting product quality in the middle of PCS plate.
On above-mentioned PNL plate, by design, need the concrete number of a plurality of set plates that gong goes out successively to need to determine according to actual design, on each PNL plate, gong goes out five set plates conventionally.
The multiple directions hole of above-mentioned moulding housing bottom moulding setting specifically can be two or more direction holes, but is preferably both direction hole.
The above-mentioned concrete quantity of a plurality of fixing holes on the moulding of moulding housing top can be decided according to the actual requirements, can fix PNL plate, be as the criterion, but the factor such as spacing between the appropriate to the occasion consideration of fixing hole quantity PNL plate and fixing hole is set, is wherein preferably 21 fixing holes.
The concrete quantity of a plurality of PCS plates of above-mentioned moulding on each set plate can need to determine according to actual design, but preferred 13 PCS plates of moulding on each set plate.
Spacing between above-mentioned a plurality of fixing hole is preferably 10 ± 2cm, and the spacing between each fixing hole is 10 ± 2cm, can play good fixation to PNL plate, helps again appropriate design fixing hole quantity, reduces the workload that boring brings.
Compared with prior art, the invention has the beneficial effects as follows: 1, this forming method is when gong goes out set plate, adopt first V-cut reshaping mode, while making V-cut machine V-cut on PNL plate go out V hole, monoblock PNL plate is stressed, the phenomenon that arches upward in the middle of there will not be, avoids causing position, V hole not to, off-dimension and disconnection anomaly, can effectively guarantee V-cut quality.When 2, on PNL plate, gong goes out a plurality of set plate, the present invention adopts by PNL sheet metal forming housing bottom moulding to top moulding direction, on set plate, gong goes out the mode of forming tank one by one successively, because there being the fixation of fixing hole, when gong goes out forming tank, there will not be the middle arch of PCS plate, can guarantee product quality.While 3, molding a plurality of PCS plate on each set plate, the present invention adopt first gong forming tank below, the mode of gong forming tank top again, fixation in conjunction with fixing hole, while making the refine of PCS plate, not pushed by the Milling Force of milling cutter, avoid the flexural deformation of PCS plate and in the middle of causing, occur arch, avoid causing intermediate plate wide abnormal, off-dimension etc. are abnormal.4, each step operation easier of the present invention little, easily implement, can effectively improve Light bar wiring board production board yield, be adapted at Light bar wiring board in enormous quantities produce in application.
Accompanying drawing explanation
Fig. 1 PNL plate design drawing to be formed when adopting the forming method of existing Light bar wiring board;
Fig. 2 set when adopting the forming method of existing Light bar wiring board composition that hardens;
Fig. 3 is forming tank structure chart when adopting the forming method of existing Light bar wiring board;
PNL plate design drawing to be formed when Fig. 4 is of the present invention for adopting;
The set composition that hardens when Fig. 5 is of the present invention for adopting;
Forming tank structure chart when Fig. 6 is of the present invention for adopting.
Embodiment
For the ease of it will be appreciated by those skilled in the art that below in conjunction with accompanying drawing and embodiment, the present invention is explained in further detail.
As shown in Figure 4,5, 6, the present embodiment discloses a kind of Light bar wiring board forming method, comprises the following steps:
Step 1, on PNL plate 40 to be formed, be designed to molded line 4b, at form wire 4b with five set plates 50 of interior design, and in four corners of each set plate, be equipped with location hole 4a and be provided with both direction hole 4d at PNL plate forming line moulding housing 4c bottom moulding in addition, on forming machine, by position of positioning hole, plant location PIN, by direction hole 4d direction indication, will on PNL sleeve-board, locate on PIN;
Step 2, at 13 fixing hole 4e of moulding housing top frame mainspring cock jewel, locates PIN with forming machine in cultivation, the spacing between each fixing hole 4e is 10cm;
Step 3, removes the outer frame bottom of the moulding except the moulding of moulding housing top, left part and right part moulding gong;
Step 4, goes out V hole 4f by V-cut machine V-cut on PNL plate 40;
Step 5, the PNL plate of the good V of V-cut hole 4f is enclosed within on the PIN of forming machine location again, by PNL sheet metal forming housing 4c bottom moulding to top moulding, at moulding housing, by design, need gong successively to go out a plurality of set plates 50 on interior PNL plate, on each set plate, mold again a plurality of PCS plate 5a, between each PCS plate 5a, by forming tank 5b, separated, described V hole 4f and region formation between the form wire 4b frame 5c that fractures is connected with PCS5a plate.The operating sequence that molds a plurality of PCS plates on each set plate 50 is: by PNL sheet metal forming housing bottom moulding, to top moulding direction, on set plate 50, gong goes out forming tank 5b one by one successively.When gong goes out each formation of lots groove, first with milling cutter 6a gong, go out forming tank 5b following, then gong goes out forming tank top.
Adopt above method to carry out the moulding of Light bar wiring board, by V-cut machine V-cut on PNL plate, go out V when hole, monoblock PNL plate is stressed, and the phenomenon that arches upward in the middle of there will not be avoids causing position, V hole not to, off-dimension, can effectively guarantee V-cut quality.Above-mentioned while molding a plurality of PCS plate on each set plate, because there being the fixation of fixing hole, when going out forming tank, gong there will not be arch in the middle of PCS plate, can guarantee product quality.When gong goes out each formation of lots groove, first with milling cutter gong, go out forming tank following, gong goes out forming tank top again, can guarantee that milling cutter is to the operation of whole PNL plate, not to the operation of PCS plate, in the time of can avoiding the operation of PCS plate, PCS plate is pushed and flexural deformation by the Milling Force of milling cutter, cause occurring arch affecting product quality in the middle of PCS plate.
Adopt the present embodiment moulding Light bar wiring board, compare with the Light bar wiring board that adopts existing Light bar wiring board forming method to make: each PCS board size qualification rate is high, middle without arching upward or bending, the wide nothing of plate is abnormal, position, V hole is neat, size is qualified, excellent product quality.And because each step operation easier of the present invention is little, easily enforcement, significantly improve Light bar wiring board production efficiency.
Above-described embodiment is the preferred embodiment of the present invention, and in addition, the present invention can also have other implementations.That is to say, do not departing under the prerequisite of the present invention's design, within any apparent replacement also should fall into protection scope of the present invention.