Stiffening plate disc type full-automatic false sticker
Technical field
The invention belongs to flexible PCB technical field of processing equipment, relate in particular to a kind of stiffening plate disc type full-automatic false sticker.
Background technology
Flexible PCB (Flexible Printed Circuit), is the circuit board made from flexible insulating substrate, has advantages of that many hard circuit boards do not possess.For example it can free bend, coiling, folding, can require to arrange arbitrarily according to space layout, and mobile and flexible arbitrarily at three dimensions, thereby reach integrated that components and parts assembling is connected with wire.Utilize FPC can greatly dwindle the volume of electronic product, be suitable for the needs of electronic product to high density, miniaturization, highly reliable future development.
At present, flexible PCB is widely used in increasing industry, because of itself mechanical strength little, easily be full of cracks, therefore in the production process of flexible PCB, need be to its surface mount stiffening plate, strengthen the mechanical strength of flexible circuit board, thereby facilitate the surface-mounted components and parts of flexible PCB.For convenient transportation and be convenient to deposit, when initial condition, stiffening plate material strip is web-like, conventionally in the time mounting stiffening plate, first stiffening plate material strip stamping-out is become to monomer stiffening plate, and then rely on that manually monomer stiffening plate to be mounted on to FPC upper, but in this process, thereby manually cause because relying on that production efficiency is low, placement accuracy is low, product quality is difficult to ensure.
Summary of the invention
Technical problem to be solved by this invention is: a kind of stiffening plate disc type full-automatic false sticker is provided, to solve in the production process of existing flexible PCB, operation to its surface mount stiffening plate relies on manually, causes the technical problem that production efficiency is low, placement accuracy is low, product quality is difficult to guarantee.
For solving the problems of the technologies described above, technical scheme of the present invention is: stiffening plate disc type full-automatic false sticker, comprise frame, X, Y-direction motion are installed in described frame, the FPC location heating platform for placing FPC and FPC is heated is installed on described X, Y-direction motion; Described frame is provided with the feeding machanism for exporting successively monomer stiffening plate; In described frame, be also provided with for the monomer stiffening plate of described feeding machanism output is fitted in to the mechanism that mounts on FPC, the described mechanism that mounts comprises: rotate and be installed on the rotating mechanism being driven by the first power set in described frame, described rotating mechanism is between described FPC location heating platform and described feeding machanism; Be installed on several Z-directions and θ angle rotational motion mechanism on described rotating mechanism, on described Z-direction and θ angle rotational motion mechanism, stiffening plate suction nozzle be installed; Be installed on the top vision camera for the upper reinforcement of definite FPC position on described rotating mechanism; Be installed in described frame the bottom vision camera for determining the monomer stiffening plate position of drawing on described stiffening plate suction nozzle, described bottom vision camera is positioned at the rotational trajectory scope of described stiffening plate suction nozzle.
Improve as one, described FPC location heating platform comprises the FPC absorption base plate, heating plate and the thermal insulation board that set gradually from top to bottom together; Described FPC absorption base plate is provided with some rectangular arranged in arrays and the vertical through hole arranging, the upper surface of described heating plate is provided with the air flue for being communicated with some described through holes, on described heating plate, be also provided with heating element, the interface of described air flue connects vacuum pump by pipeline.
As further improvement, described FPC absorption base plate is provided with the first locating piece and the second locating piece for limiting respectively FPC dual-side position.
Improve as one, described feeding machanism comprises: the unwinding mechanism of rolling up and exporting stiffening plate material strip and reclaim waste material for placing reinforcement plate; Be located on the conveying circuit of stiffening plate material strip for stiffening plate material strip stamping-out being become to the servo blanking mechanism of monomer stiffening plate.
As further improvement, described unwinding mechanism comprises: rotate and be installed on the emptying roller of rolling up and export stiffening plate material strip in described frame for placing reinforcement plate; Rotation is installed in described frame for reclaiming the material receiving roller of waste material; Between described emptying roller and material receiving roller, be rotatablely equipped with multiple guide rollers of the direct of travel for guiding stiffening plate material strip along the direct of travel of stiffening plate material strip; Be located at the servo pair roller that pinches for accurate conveying stiffening plate material strip in described frame and between described emptying roller and described servo blanking mechanism.
As further improvement, described servo blanking mechanism comprises the die being fixedly installed in described frame, on described die, there is the type hole suitable with monomer stiffening plate shape, the below in described type hole is provided with by linear drive apparatus and drives vertical mobile punch, and the shape in the shape of described punch and described type hole is suitable.
As further improvement, the lower surface of described die is provided with the open trough for stiffening plate material strip is passed through, and described punch is provided with the vacuum sucker for fixing monomer stiffening plate.
As further improvement, on described die, be rotatablely equipped with the materials overturning mechanism for making 180 ° of monomer stiffening plate upsets that stamping-out goes out, described materials overturning mechanism comprises the flip-arm being driven by the second power set, described flip-arm is provided with vacuum slot.
Improve as one, described rotating mechanism comprises the rotation axis being connected with described the first power set, described rotation axis is provided with and is shaped as criss-cross turning arm, four ends of described cross-shaped rotary arm are equipped with described Z-direction and θ angle rotational motion mechanism, and described top vision camera is installed on any one end of described turning arm.
Improve as one, described Z-direction and θ angle rotational motion mechanism comprise Z-direction motion and be installed on the θ angle electric rotating machine on described Z-direction motion, and described stiffening plate suction nozzle is installed on the output shaft of described θ angle electric rotating machine.
Adopt after technique scheme, the invention has the beneficial effects as follows:
Owing to having designed X, Y-direction motion, by X, Y-direction motion realize FPC along X to the change in location of Y-direction; Owing to having designed feeding machanism, export successively monomer stiffening plate by feeding machanism; Owing to having designed FPC location heating platform, make FPC be preheating to working temperature before stickup monomer stiffening plate by this FPC location heating platform, be convenient to the stickup of monomer stiffening plate; Owing to having designed rotating mechanism, Z-direction and θ angle rotational motion mechanism, stiffening plate suction nozzle, top vision camera and bottom vision camera, by stiffening plate suction nozzle, the monomer stiffening plate of feeding machanism output is drawn, realize the motion of Z-direction and θ angle rotational motion mechanism, stiffening plate suction nozzle and monomer stiffening plate and top vision camera by rotating mechanism, in the time that rotating mechanism drives top vision camera to move to the top of FPC, top vision camera scans the MARK point (also claiming datum mark) on FPC, thereby determines the reinforcement position on FPC; In the time that rotating mechanism drives stiffening plate suction nozzle to rotate to the top of bottom vision camera together with monomer stiffening plate, bottom vision camera scans the position of monomer stiffening plate, need be along X to the distance moving with Y-direction thereby determine angle that monomer stiffening plate need rotate and FPC; By X, Y-direction motion and Z-direction and θ angle rotational motion mechanism, adjust the position of FPC and monomer stiffening plate, finally complete the accurate placement of monomer stiffening plate to FPC.Stiffening plate disc type full-automatic false sticker provided by the invention, replace traditional manually mounting, can realize the accurate placement of stiffening plate to FPC, production efficiency can reach 1s/ sheet, can reach ± 0.075mm of placement accuracy, can significantly improve production efficiency, reduce production costs, high, the reliable product quality of stabilization of equipment performance in actual production; And the present invention is designed with multiple stiffening plate suction nozzles mounting in mechanism, can realize continuous conveying monomer stiffening plate by rotating mechanism, to compare and adopt single-shaft mechanical arm reciprocating to carry monomer stiffening plate, production efficiency is higher.
Because described FPC location heating platform comprises FPC absorption base plate, heating plate and thermal insulation board; On described FPC absorption base plate, designed some through holes, designed air flue and heating element on described heating plate, the interface of described air flue connects vacuum pump by pipeline; Thereby in the time that FPC is placed on FPC absorption base plate, vacuum pump is vacuumized, by through hole and air flue, FPC is tightly adsorbed on FPC absorption base plate; By heating element, make FPC be preheating to working temperature before stickup monomer stiffening plate; By thermal insulation board, prevent that heat is delivered on X, Y-direction motion, extend the useful life of X, Y-direction motion.
Because described FPC absorption base plate is provided with the first locating piece and the second locating piece, thereby in the time placing FPC, make the dual-side of FPC respectively against the first locating piece and the second locating piece, realize the coarse positioning of FPC, be convenient to top vision camera and determine the position of FPC.
Owing to having designed unwinding mechanism, place reinforcement plate by unwinding mechanism and roll up and export stiffening plate material strip and reclaim waste material; Owing to having designed servo blanking mechanism, by servo blanking mechanism, stiffening plate material strip stamping-out is become to monomer stiffening plate; Make feeding machanism simple in structure.
Because described unwinding mechanism comprises emptying roller, material receiving roller, multiple guide roller and the servo pair roller that pinches, thereby place reinforcement plate by emptying roller and roll up and export stiffening plate material strip; Reclaim waste material by material receiving roller; By the direct of travel of multiple guide roller guiding stiffening plate material strips; Pinch pair roller and realize the accurate conveying of stiffening plate material strip by servo, thereby realized the automation that stiffening plate is carried.
Because described servo blanking mechanism comprises die, on described die, there is type hole, the below in described type hole is provided with by linear drive apparatus and drives vertical mobile punch, thereby in the time that stiffening plate material strip enters between die and punch, by linear drive apparatus, punch is moved upward, stiffening plate material strip stamping-out become to monomer stiffening plate and eject above the upper surface of die, having realized stiffening plate singulation, stamping-out position is accurate and efficiency is higher.
Because described punch is provided with vacuum sucker, thereby fix monomer stiffening plate by vacuum sucker, prevent that monomer stiffening plate is moved in the process moving upward.
Owing to having designed materials overturning mechanism on described die, thereby draw by vacuum slot the monomer stiffening plate that stamping-out goes out, the second power set drive flip-arm together with 180 ° of monomer stiffening plate upsets, make on monomer stiffening plate jagged one to face up, draw in order to stiffening plate suction nozzle, avoid one side jagged on monomer stiffening plate to cause being pasted not strongly as sticking veneer or occur that empty discount resembles.
Because described rotating mechanism comprises rotation axis and criss-cross turning arm, four ends of described cross-shaped rotary arm are equipped with described Z-direction and θ angle rotational motion mechanism, make stiffening plate suction nozzle be provided with four, thereby draw successively monomer stiffening plate by four stiffening plate suction nozzles and carry out mounting of stiffening plate, further improve and increased work efficiency, reduced production costs.
Because described Z-direction and θ angle rotational motion mechanism comprise Z-direction motion and θ angle electric rotating machine, described stiffening plate suction nozzle is installed on the output shaft of described θ angle electric rotating machine, thereby adjust the monomer stiffening plate drawn on the stiffening plate suction nozzle position in Z-direction by Z-direction motion, the angle of adjusting the relative FPC of monomer stiffening plate drawing on stiffening plate suction nozzle by θ angle electric rotating machine, makes monomer stiffening plate rotate to correct angle.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 be in Fig. 1 A to schematic diagram;
Fig. 4 is the structural representation of bottom vision camera;
Fig. 5 is the structural representation of FPC location heating platform;
Fig. 6 is the exploded perspective view of Fig. 5;
Fig. 7 is the servo structural representation that pinches pair roller;
Fig. 8 is the relative position schematic diagram of servo blanking mechanism and materials overturning mechanism;
Fig. 9 is the structural representation of another state of Fig. 8;
Figure 10 is the relative position schematic diagram of Z-direction and θ angle rotational motion mechanism, stiffening plate suction nozzle and top vision camera;
In figure: 1, frame, 2, X, Y-direction motion, 21, X is to motion, and 22, sliding panel, 23, Y-direction motion, 3, FPC locates heating platform, 31, FPC adsorbs base plate, 311, through hole, 312, the first locating piece, 313, the second locating piece, 314, the first cylinder, 315, the second cylinder, 32, heating plate, 321, air flue, 33, thermal insulation board, 4, feeding machanism, 41, unwinding mechanism, 411, emptying roller, 412, material receiving roller, 413, guide roller, 414, the servo pair roller that pinches, 42, servo blanking mechanism, 421, die, 4211, type hole, 4212, open trough, 422, linear drive apparatus, 4221, servomotor, 4222, leading screw, 4223, nut, 4224, belt, 423, punch, 424, materials overturning mechanism, 4241, the second power set, 4242, flip-arm, 4243, vacuum slot, 5, mount mechanism, 51, the first power set, 52, rotating mechanism, 521, rotation axis, 522, turning arm, 53, Z-direction and θ angle rotational motion mechanism, 531, Z-direction motion, 532, θ angle electric rotating machine, 54, stiffening plate suction nozzle, 55, top vision camera, 56, bottom vision camera,
In Fig. 3, filled arrows represents the trend of stiffening plate material strip.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of stiffening plate disc type full-automatic false sticker, comprise frame 1, in frame 1, X is installed, Y-direction motion 2, X, Y-direction motion 2 comprises the sliding panel 22 that X drives to motion 21 to motion 21 and by X, on sliding panel 22, be slidably fitted with by Y-direction motion 23, X is to motion 21 and the preferential electronic slide unit that adopts lead screw transmission of Y-direction motion 23, certainly X also can directly adopt cylinder etc. to motion 21 and Y-direction motion 23, can realize, those skilled in the art can select according to actual conditions, do not repeat them here, FPC location heating platform 3 for placing FPC and FPC is heated is installed on X, Y-direction motion 2, frame 1 is provided with the feeding machanism 4 for exporting successively monomer stiffening plate, in frame 1, being also provided with monomer stiffening plate for feeding machanism 4 is exported fits in and mounts mechanism 5 on FPC, mounting mechanism 5 comprises: rotate and be installed on the rotating mechanism 52 being driven by the first power set 51 in frame 1, rotating mechanism 52 is between FPC location heating platform 3 and feeding machanism 4, be installed on several Z-directions and θ angle rotational motion mechanism 53 on rotating mechanism 52, on Z-direction and θ angle rotational motion mechanism 53, stiffening plate suction nozzle 54 be installed, be installed on the top vision camera 55 for the upper reinforcement of definite FPC position on rotating mechanism 52, be installed in frame 1 the bottom vision camera 56 for determining the monomer stiffening plate position of drawing on stiffening plate suction nozzle 54, bottom vision camera 56 is positioned at the rotational trajectory scope of stiffening plate suction nozzle 54.
As shown in Fig. 5 and Fig. 6 are common, above-mentioned FPC location heating platform 3 comprises the FPC absorption base plate 31, heating plate 32 and the thermal insulation board 33 that set gradually from top to bottom together; FPC absorption base plate 31 is provided with some rectangular arranged in arrays and the vertical through hole 311 arranging, the upper surface of heating plate 32 is provided with the air flue 321 for being communicated with some through holes 311, on heating plate 32, be also provided with heating element (not marking in figure), the interface (not marking in figure) of air flue 321 connects vacuum pump (not marking in figure) by pipeline; By thermal insulation board 33, prevent that heat is delivered on X, Y-direction motion 2, extend the useful life of X, Y-direction motion 2.
In order to realize the coarse positioning of FPC, be convenient to the position of top vision camera 55 definite FPC, FPC absorption base plate 31 is provided with the first locating piece 312 and the second locating piece 313 for limiting respectively FPC dual-side position; In the time placing FPC, make the dual-side of FPC respectively against the first locating piece 312 and the second locating piece 313.
The first locating piece 312 is connected respectively and makes self to stretch out or first cylinder 314 on retraction FPC absorption base plate 31 surfaces and the piston rod of the second cylinder 315 with the second locating piece 313, the first cylinder 314 and the second cylinder 315 all vertically arrange, in the time that the size of FPC changes, the first locating piece 312 and the second locating piece 313 can be reduced to below FPC absorption base plate 31 surfaces under the driving of the first cylinder 314 and the second cylinder 315, make the use of the first locating piece 312 and the second locating piece 313 more flexible.
As shown in Figure 3, feeding machanism 4 comprises: the unwinding mechanism 41 of rolling up and exporting stiffening plate material strip and reclaim waste material for placing reinforcement plate; Be located on the conveying circuit of stiffening plate material strip for stiffening plate material strip stamping-out being become to the servo blanking mechanism 42 of monomer stiffening plate.
In conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 7, unwinding mechanism 41 comprises: rotate and be installed on the emptying roller 411 of rolling up and export stiffening plate material strip in frame 1 for placing reinforcement plate; Rotation is installed in frame 1 for reclaiming the material receiving roller 412 of waste material; Between emptying roller 411 and material receiving roller 412, be rotatablely equipped with multiple guide rollers 413 of the direct of travel for guiding stiffening plate material strip along the direct of travel of stiffening plate material strip; Be located at the servo pair roller 414 that pinches for accurate conveying stiffening plate material strip in frame 1 and between emptying roller 411 and servo blanking mechanism 42, realized the automation that stiffening plate is carried.
Keep tensioning state in order to ensure stiffening plate material strip after above-mentioned emptying roller 411 blowings, can adopt constant tension controller or friction plate etc., can realize, do not repeat them here.Material receiving roller 412 can adopt the structure identical with emptying roller 411.The above-mentioned servo pair roller 414 that pinches comprises drive roll and driven voller, and drive roll is carried by servomotor, is well known to those skilled in the art, and does not repeat them here.
As shown in Fig. 8 and Fig. 9 are common, servo blanking mechanism 42 comprises the die 421 being fixedly installed in frame 1, on die 421, there is the type hole 4211 suitable with monomer stiffening plate shape, the below in type hole 4211 is provided with the punch 423 that is driven vertical movement by linear drive apparatus 422, and the shape in the shape of punch 423 and type hole 4211 is suitable.
The lower surface of die 421 is provided with the open trough 4212 for stiffening plate material strip is passed through, punch 423 is provided with the vacuum sucker (figure does not mark) for fixing monomer stiffening plate, fix monomer stiffening plate by vacuum sucker, prevent that monomer stiffening plate is moved in the process moving upward.
Linear drive apparatus 422 comprises the screw mechanism being driven by servomotor 4221, screw mechanism comprises the leading screw 4222 being connected with punch 423, on leading screw 4222, threaded engagement has nut 4223, nut 4223 is arranged in frame 1, between the output shaft of the outer surface of nut 4223 and servomotor 4221, be surrounded with belt 4224, servomotor 4221 slows down by belt 4224, drives nut 4223 to rotate, thereby realizes moving up and down of leading screw 4222 and punch 423.Certainly, linear drive apparatus 422 also can be selected pinion and rack of hydraulic motor or driven by servomotor etc., can realize, and does not repeat them here.
Certainly, servo blanking mechanism 42 also comprises guider and positioner, is well known to those skilled in the art, and this is no longer going to repeat them.
Cause being pasted not strongly as sticking veneer or occur that empty discount resembles for fear of jagged one side on monomer stiffening plate, on die 421, be rotatablely equipped with the materials overturning mechanism 424 for making 180 ° of monomer stiffening plate upsets that stamping-out goes out, materials overturning mechanism 424 comprises the flip-arm 4242 being driven by the second power set 4241, the second power set 4241 are preferably servomotor or stepping motor, flip-arm 4242 is provided with vacuum slot 4243, vacuum slot 4243 is provided with some vacuum suckers (not marking in figure) that are communicated with vacuum line (not marking in figure), can draw by vacuum slot 4243 the monomer stiffening plate that stamping-out goes out, the second power set 4241 drive flip-arm 4242 together with 180 ° of monomer stiffening plate upsets, make on monomer stiffening plate jagged one to face up, draw in order to stiffening plate suction nozzle.
In conjunction with Fig. 1 and Fig. 2, rotating mechanism 52 comprises the rotation axis 521 being connected with the first power set 51, rotation axis 521 is provided with and is shaped as criss-cross turning arm 522, four ends of cross-shaped rotary arm 522 are equipped with Z-direction and θ angle rotational motion mechanism 53, top vision camera 55 is installed on any one end of turning arm 522, make stiffening plate suction nozzle 54 be provided with four, thereby draw successively monomer stiffening plate by four stiffening plate suction nozzles 54 and carry out mounting of stiffening plate, further improve and increased work efficiency, reduced production costs.
As shown in figure 10, Z-direction and θ angle rotational motion mechanism 53 comprise Z-direction motion 531 and are installed on the θ angle electric rotating machine 532 on Z-direction motion 531, stiffening plate suction nozzle 54 is installed on the output shaft of θ angle electric rotating machine 532, the structure of stiffening plate suction nozzle 54 is identical with above-mentioned vacuum slot 4243 structures, does not repeat them here; The preferential electronic slide unit that adopts lead screw transmission of Z-direction motion 531, Z-direction motion 531 also can directly adopt cylinder etc. certainly, can realize, and those skilled in the art can select according to actual conditions, do not repeat them here.
Its operation principle is as follows:
Reinforcement plate volume is placed on emptying roller 411; Then make the servo pair roller 414 that pinches carry stiffening plate material strip, realize the conveying of stiffening plate material strip and make stiffening plate material strip realize accurate feeding; Then make stiffening plate material strip enter open trough 4212, by linear drive apparatus 422, punch 423 is moved upward, stiffening plate material strip stamping-out is become to monomer stiffening plate and eject above the upper surface of die 421, realize stiffening plate singulation, draw monomer stiffening plate in order to stiffening plate suction nozzle 54, stamping-out position is accurate and efficiency is higher; Stiffening plate scrap belt after stamping-out is transported to material receiving roller 412 by guide roller 413;
FPC is placed on FPC absorption base plate 31, vacuum pump is vacuumized, by through hole 311 and air flue 321, FPC is tightly adsorbed on FPC absorption base plate 31; Drive FPC location heating platform 3 to move by X to motion 21, sliding panel 22 and Y-direction motion 23, make FPC along X to moving near the position that mounts mechanism 5 with Y-direction; By heating element, FPC is heated, make FPC be preheating to working temperature before stickup monomer stiffening plate, in order to the stickup of monomer stiffening plate; This process and the above-mentioned stiffening plate singulation that realizes can be carried out simultaneously;
Drive top vision camera 55 and four stiffening plate suction nozzles 54 to rotate by rotating mechanism 52, make top vision camera 55 move to the top of FPC, the MARK point (also claiming datum mark) on FPC is scanned, thereby determine the reinforcement position on FPC; In the time that rotating mechanism 52 drives stiffening plate suction nozzle 54 to rotate to the top of servo blanking mechanism 42, the monomer stiffening plate that stiffening plate suction nozzle 54 goes out servo blanking mechanism 42 stamping-outs is drawn; In the time that rotating mechanism 52 drives stiffening plate suction nozzle 54 to continue to rotate to the top of bottom vision camera 56 together with monomer stiffening plate, bottom vision camera 56 scans the position of monomer stiffening plate, need be along X to the distance moving with Y-direction thereby determine angle that monomer stiffening plate need rotate and FPC; Make FPC move to corresponding position by X to motion 21 and Y-direction motion 23, make monomer stiffening plate rotate to correct angle by θ angle electric rotating machine 532; When driving stiffening plate suction nozzle 54, rotating mechanism 52 rotates to the top of FPC together with monomer stiffening plate, Z-direction motion 531 drives stiffening plate suction nozzle 54 to move down, finally complete the accurate placement of monomer stiffening plate to FPC, the every rotation of rotating mechanism 52 one week, can complete mounting of four monomer stiffening plates, greatly improve work and mounted efficiency.
The stiffening plate disc type full-automatic false sticker that the embodiment of the present invention provides, replace traditional manually mounting, can realize the accurate placement of stiffening plate to FPC, production efficiency can reach 1s/ sheet, can reach ± 0.075mm of placement accuracy, can significantly improve production efficiency, reduce production costs, high, the reliable product quality of stabilization of equipment performance in actual production; And the embodiment of the present invention is designed with multiple stiffening plate suction nozzles mounting in mechanism 5, can realize continuous conveying monomer stiffening plate by rotating mechanism 52, to compare and adopt single-shaft mechanical arm reciprocating to carry monomer stiffening plate, production efficiency is higher.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.