Background technology
By scientific and technological information fast development now, and electronic product utilization rates such as PC, electronic memo, notebook computer, PDA personal digital assistant become the multiple amplification, add the birth of digitalized electron product, make tame electrical article as; TV, cold air, digital still camera, Video Recorder, video camera etc. have all entered among the digitized field; Moreover, as work implements, inside such as processing machine tool also can be provided with Circuits System, see through microprocessor or program control its running, and along with electronics, the popularity rate of electric product increases year by year, the most basic circuit base material then becomes indispensable indispensable member in the electronic product, must borrow circuit board to lay circuit and dispose various electronics spare part again, utilize electronic mode for various electronic product runnings and reach, start, in the course of processing of circuit board, utilize insulation (as resin, plastics etc.) material is made circuit board, utilize modes such as printing or etching again, layout electronic circuit on circuit board, to carry out the processing operation of circuit board, also must be through manufacturing for several times because of circuit board, the processing operation, the then circuit board carrying that promptly can constantly repeat in the course of processing, pile up, carry, operations such as conversion direction, and in so many work flow, major part all can utilize mechanical arm to move circuit board, and apply to move the mechanical arm of circuit board at present, have and on mechanical arm, install sucker, after holding circuit board by sucker, carry out the carrying of circuit, but sucker adopts the mode of vacuum attraction that circuit board is drawn, if pull of vacuum is not enough or short, very likely make circuit board drop and circuit board is broken, the perhaps pull of vacuum deficiency of each sucker, promptly can make circuit board break away from sucker, cause circuit board to be done when piling up, the irregular situation of confusion reigned; And when on mechanical arm, utilizing anchor clamps clamping circuit board, metal jaw on the anchor clamps can cause friction when the clamping circuit board, easily on circuit board, produce the scraping iron filings, dust, and in the circuit board course of processing, influence the quality of circuit board, as M245714 number (clamping device of printed circuit board (PCB)) novel patent case of Taiwan registration number, be to propose patent application on December 25th, 2002, application case number No. 91221090, and check and approve the patent gazette of being announced on October 1st, 2004, as Figure 6 and Figure 7 is the stereo appearance figure and the three-dimensional exploded view of existing clamping device, its clamping device A comprises symmetric parallel plate A1, have circular hole A11 and can be assembled on the suspending rod, the bottom also forms hook part A12; Push rod A2 extends the top the outer pushing part A21 of outstanding parallel-plate A1, and the below end then is articulated between parallel-plate A1, has circular hole A22 and connecting rod pivot hole A23; Pair of links A3, the top is with the connecting rod pivot hole A23 of pivot A31 and push rod A2, and chuck bar A4 is articulated between the parallel-plate A1 bottom, and leading portion forms dentation chuck A41, and has connecting rod pivot hole A42 on chuck A41 side, and articulates with the above-mentioned connecting rod A3 other end; Clamping plate A5 is by vertically in the hook part A12 that is fixed in above-mentioned parallel-plate A1 low side, with above-mentioned dentation chuck A41 clamping one printed circuit board (PCB) B; Elastic parts A6 one end is connected with the circular hole A22 of above-mentioned push rod A2, end is fixed between the above-mentioned parallel-plate A1 in addition, for push rod A2 pulling force, when the pushing part A21 of push rod A2 top is hit, carry on the connecting rod A3 and produce to rotate to make, and drive chuck bar A4 turn, dentation chuck A41 is separated with clamping plate A5, and the printed circuit board (PCB) B that is held can break away from; When hitting power cancellation, then by the restoring force of elastic parts A6, make push rod A2 turn be back to original position, and chuck bar A4 drive and turn via connecting rod A3, dentation chuck A41 is returned back to contact clip position with clamping plate A5; Still there are many disappearances in the clamping device A of right this patent case when reality is used, for example:
(1) clamping device A utilizes the dentation chuck A41 clamping printed circuit board B of chuck bar A4, then dentation chuck A41 easily produces the friction scratch on printed circuit board (PCB) B, printed circuit board (PCB) B is gone up produce iron filings, influence printed circuit board (PCB) B processing quality and cause line short, cause the product fraction defective to promote.
(2) desire to carry out the circuit printing on the printed circuit board (PCB) B, when layout or lining protective film, can be subjected to iron filings, the concavo-convex surface influence of impurity height, make printed circuit board (PCB) B surface present the not whole situation of height, also influence the following process of printed circuit board (PCB) B.
(3) clamping device A is by dentation chuck A41, clamping plate A5 clamping printed circuit board B, then easily on printed circuit board (PCB) B, stay the clamping vestige, cause printed circuit board (PCB) B surface irregularity or distortion, simultaneously easily on printed circuit board (PCB) B, produce static, and influence the electron circuit layout on the printed circuit board (PCB) B.
So, how to solve the problem that clamping device produced of existing printed circuit board (PCB), be the direction place person that institute of the relevant manufacturer utmost point desire research of being engaged in the industry improves.
Embodiment
For reaching the above-mentioned purpose effect, technological means that the utility model adopted and structure thereof, drawing illustrates in detail that with regard to preferred embodiment of the present utility model its feature and function are as follows, with understanding fully.
See also Fig. 1, Fig. 2 and shown in Figure 3, be the end view before side elevational schematic view of the present utility model, end view, the clamping device action, find out that by knowing shown in the figure clamping device of the present utility model is by comprising that members such as body 1, control part 2 and clamping part 3 are formed, wherein:
This body 1 is the machine-tool of processing procedure processing.
This control part 2 is to be the controlling of mechanism's start, and is provided with structure in a side and meets portion 21.
This clamping part 3 comprises and supports arm 31, clamping limb 32 and clamping arm 33 constitute, and are docking section 311 and support arm 31 1 sides, and side then is a free end side 312 in addition, coating supports coating 313 in free end side 312 places, and supports coating 313 1 sides and form inclined plane 314; Clamping limb 32 1 side docking sections 321, in addition side then is a free end side 322, and has set up clamping coating 323 in free end side 322, and on the clamping coating 323 for being provided with guide ramp 324; Clamping arm 33 1 sides are docking section 331, and in addition side is distolateral 332 for free section, and the medial surface 333 in free end side 332 is provided with cramping body 334 again, and cramping body 334 is for can be circular shape.
Above-mentioned each member is when assembling, be installing control part 2 on body 1, and utilize the articulated section 21 of control part 2 to be connected with clamping part 3, and 31 on the arm of supporting of clamping part 3 is connected with in body 1 by docking section 311, articulate the articulated section 21 that is linked to control part 2 with docking section 321,331 again, the support arm 31, clamping limb 32 that can utilize control 2 to control clamping part are done in clamping wall 33 and are opened or the start of clamping, group constitute clamping device of the present utility model (PP, Prepreg).And the detailed construction of aforementioned body 1 and control part 2, because of non-be emphasis of the present utility model, so do not give unnecessary details for this reason in this.
See also Fig. 2 again, 3,4 and shown in Figure 5, be end view of the present utility model, end view before the clamping device action, end view during the clamping device action, end view after the clamping device action, find out by knowing among the figure, clamping device of the present utility model is in the stacked base material 4 of clamping (Copper Clad Laminate, CCL, material is a resin, glass cloth, Copper Foil) time, coating 313 active side 3131 that support that support arm 31 for utilization compress base material 4 below the second layer, and with clamping coating 323 active side 3231 of clamping limb 32, embed first, two layers of base material 41, between 42, and boost ground floor base material 41 with guide ramp 324, and after the clamping coating 323 of clamping limb 32 stretches into the suitable distance in ground floor base material 41 bottoms, then operate clamping arms 33 downward crampings in ground floor base material 41 tops by control part 2, and utilize the cramping body 334 of the free section sides 332 of clamping arm 33, press on the ground floor base material 41, promptly by clamping limb 32, clamping arm 33 is lifted off second layer base material 42 with ground floor base material 41, to finish the detached job of base material.
And aforesaid base material 4 can be plate bodys such as printed circuit board (PCB), circuit board, panel; And base material 4 is halogen-free electronic material (Halogen Free), and it adds aluminium oxide (Al2O3) to replace bromine (Br), not produce the pollution of brominated resins in the manufacture process of guaranteeing base material 4, to meet the environmental protection demand in resin; The anti-combustion of tool in base material 4 of general bromine, fire-retardant characteristic stop burning, but can burn, and bromine burning back forms, and bromide can damage the ozone layer, skin disease is strengthened, caused to ozone layer broken hole, ultraviolet ray, cutaneum carcinoma and cause human body or the serious threat of ecological environmental pollution, therefore base material 4 of the present utility model is satisfied in resin with aluminium oxide (Al2O3) to replace bromine (Br), avoid the health that exerts an influence, destroy the situation of biological environment, and tool environmental protection notion.
And the clamping part 3 of the folded formula base material 4 of holding sheet since the above-mentioned usefulness; for supporting coating 313 in what support that arm 31 free end side 312 coat; the clamping coating 323 that clamping limb 32 free end side 322 are covered; can be Teflon (TEELON); the material of polytetrafluoroethylene (PFA) material or equivalent material is made; produce impurity such as scoring trace or clamping asperities trace or generation iron filings on the unlikely base material again 4; and clamping arm 33 is for to be provided with circular-arc cramping body 334 with medial surface 333; make cramping body 334 crampings on base material 4; and do not have a friction; the situation of clamping tension; be to form iron filings on the unlikely base material again 4; dust or rugged clamping line trace; also can on base material 4, not form static; avoid influencing the processing operation of base material 4; be the integrality that can keep base material 4, to improve the product yield.
Be with, the above only is preferred embodiment of the present utility model, non-so limit to claim of the present utility model, clamping device of the present utility model, support arm 31 in clamping part 3, the free end side 312 of clamping limb 32,322, coat respectively and support coating 313, clamping coating 323, clamping arm 33 then is provided with cramping body 343, and do not produce catcher mark when reaching clamping base material 4, iron filings, the purpose of dust, and utilization supports coating 313, the design of clamping coating 323, improve product yield purpose in the time of can reaching base material 4 detached jobs, so can reach the structure of aforementioned effect such as, device is contained by the utility model all should, the simple and easy modification equivalent structure of this kind changes, and all should in like manner be contained in the claim of the present utility model, closes and gives Chen Ming.
The clamping device of above-mentioned circuit board of the present utility model combination machine when reality is used, for can having following advantage, as;
(1). clamping part 3 with support arm 31, clamping limb 32 is separated stacked base material 4, support coating 313, clamping limb 32 in the clamping coating 323 of free end side 322 coatings and support arm 31 in what free end side 312 coated, Teflon (TEFLON) material is made, in stretching into 4 of laminated substrate, unlikely generation Friction mark or scoring trace, unlikely iron filings, the scratch of on base material 4, producing.
(2). the support arm 31, clamping limb 32 of clamping part 3 separate laminated substrate 4, with clamping limb 32, clamping arm 33 base material 4 is clamped again, can't on base material 4, form iron filings, dust or catcher mark in the separation course of processing, can keep the integrality of base material 4, and make base material 4 unlikely generation static.
(3). base material 4 is subjected to clamping part 3 clampings, unlikely generation iron filings, catcher mark or scrape vestige, then make base material 4 keep smooth, when base material 4 is processed operation, and make base material 4 surfacings, do not form the height uneven, then do not influence circuit layout, also can smoothly cover and add Copper Foil, make the processing of base material 4 smooth and easy.
The utility model is to be primarily aimed at the clamping part improvement that base material separates; in supporting arm; clamping limb coats respectively and supports coating; the clamping coating; and can not produce iron filings in the clamping separation process of base material; catcher mark or friction scratch; do not produce static; integrality with the maintenance base material is main key protection point; be only to make base material in separation process; and has a smooth circuit layout that easily carries out of the substrate surface of making; improve product yield advantage; only; the above only is preferred embodiment of the present utility model; non-so promptly limit to claim of the present utility model; so the simple and easy modification and the equivalent structure that use the utility model specification and diagramatic content to do such as change; all should in like manner be contained in the claim of the present utility model, contain and give Chen Ming.