Background technology
For printed board assembling manufacturer, want in keen competition, to win victory, the most important thing is to make the maximum efficient of production line performance, improve the output of qualified products.Yet, reach this target, will inevitably receive the influence of many factors.So (Surface Mount Technology, SMT) efficiency of equipment just can realize High-efficient Production must to improve surface mounting technology.Chip mounter is the key equipment in the SMT production line, and the production efficiency that therefore improves chip mounter has crucial meaning.
Chip mounter is claimed " placement equipment ", " surface mount system " (Surface Mount System) again, and chip mounter is the synthesis of machine-electricity-light and Computer Control Technology.It has realized that through absorption-displacement-location-functions such as placement (Surface Mounted Devices, SMD) element mounts the specified pad locations of pcb board quickly and accurately with surface mount.Be divided into manually and full-automatic two kinds, full-automatic chip mounter is to be used for realizing at a high speed, to paste the equipment of putting components and parts accurately automatically, is most critical during whole SMT produces, complex apparatus.
The factor that influences chip mounter production efficiency has a lot, and the structure of chip mounter workbench is exactly one of them important factor.Traditional chip mounter workbench mainly contains two kinds, and first kind is individual layer monorail workbench, and the shortcoming of this workbench is to need a change agency pcb board is changed the outfit, and will increase the stand-by period of mounting head like this; Second kind is individual layer two-orbit workbench, and the shortcoming of this workbench is that the working region is little, can not the bigger pcb board of working (finishing) area, and it can not with the supporting use of chip mounter miscellaneous equipment.
Summary of the invention
The technical problem that the utility model will solve is, to the above-mentioned defective of prior art, a kind of double-deck side by side monorail chip mounter workbench is provided.
The utility model solves the technical scheme that its technical problem adopted:
A kind of double-deck side by side monorail chip mounter workbench is provided; Comprise the first double-deck lifting platform and the second double-deck lifting platform; The first double-deck lifting platform and second lifting platform comprise support, be arranged on connecting gear on the support, be positioned at the support bottom and control elevating mechanism, the crossbeam that is arranged at the connecting gear both sides that connecting gear goes up and down, the lead screw transmission mechanism that is used to regulate the crossbeam spacing, and the clamp system that clamps the pcb board that will mount.
Preferably, said connecting gear comprises upper strata conveyer belt and lower floor's conveyer belt.
Preferably, the distance between said upper strata conveyer belt and the lower floor's conveyer belt can be adjusted before chip mounter work according to the thickness of pcb board.
Preferably, said elevating mechanism can make the upper strata conveyer belt of the first double-deck lifting platform align with the upper strata conveyer belt of the second double-deck lifting platform, and lower floor's conveyer belt of the first double-deck lifting platform is alignd with lower floor's conveyer belt of the second double-deck lifting platform.
Preferably, said elevating mechanism can make the upper strata conveyer belt of the first double-deck lifting platform align with lower floor's conveyer belt of second lifting platform, and lower floor's conveyer belt of the first double-deck lifting platform is alignd with the upper strata conveyer belt of second lifting platform.
Preferably, said clamp system comprises spring, lever, cylinder, clamping plate and flat board; The spring upper end contacts with the crossbeam matrix, the lower end contacts with clamping plate, and spring can only stretch downwards; Said spring upper end contacts with the crossbeam matrix, the lower end contacts with the lever left end, and spring can only stretch downwards; Said lever left end with dull and stereotypedly contact, right-hand member contacts with clamping plate; Said cylinder upper end contacts with dull and stereotyped.
Preferably, said elevating mechanism comprises motor, synchronous band, synchronous pulley, belt pulley, lifting column and screw mandrel; The said synchronous pulley of driven by motor rotates, and synchronous pulley drives synchronous band and rotates, and band drive synchronous pulley and belt pulley rotate synchronously, and synchronous pulley drives screw mandrel and rotates, and screw mandrel drives the lifting column liter or descends.
Implement the technical scheme of the utility model, have following beneficial effect: up-down that can the double-deck lifting platform of ordered control, realize paster and transmit two processes of pcb board and carry out simultaneously, let the placement head work of knocking off continuously; Through lead-screw drive mechanism adjustment lifting platform crossbeam spacing; The conveyer belt of two lifting platforms can intersect and rises and descend, and has saved the change agency of pcb board, has significantly reduced the stand-by period of mounting head; Two lifting platforms also can rise and descend simultaneously, and the working region is bigger, can the bigger pcb board of working (finishing) area, and can use with other coordinative composition of equipments of chip mounter; The distance that can also rise according to the thickness adjustment conveyer belt of pcb board, and with the height that the software control mounting head descends, to shorten the stroke of mounting head, enhance productivity, realize High-efficient Production.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is done further explain below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only is used to explain the utility model, and be not used in qualification the utility model.
Like Fig. 1, shown in 2, a kind of double-deck side by side monorail chip mounter workbench comprises the first double-deck lifting platform 1 and the second double-deck lifting platform 2; The first double-deck lifting platform 1 and the second double-deck lifting platform 2 comprise support; Be arranged on the connecting gear on the support, be positioned at the support bottom and control the elevating mechanism 10 and 20 that connecting gear goes up and down, be arranged at the crossbeam of connecting gear both sides; Be used to regulate the lead screw transmission mechanism 31,41 and 50 of crossbeam spacing, and the clamp system 6 and 7 that clamps the pcb board that will mount.
As shown in Figure 3, connecting gear comprises import conveyer belt 30, upper strata conveyer belt 11 and 21, lower floor's conveyer belt 12 and 22, and outlet conveyer belt 40; The distance that upper strata conveyer belt 11 and 21, lower floor's conveyer belt 12 and 22 rise can be adjusted before chip mounter work according to the thickness of the pcb board that will mount.
Elevating mechanism 10 and 20 can make the upper strata conveyer belt 11 of the first double-deck lifting platform 1 align with the upper strata conveyer belt 21 of the second double-deck lifting platform 2, and lower floor's conveyer belt 12 of the first double-deck lifting platform 1 is alignd with lower floor's conveyer belt 22 of second lifting platform 2; Simultaneously, the upper strata conveyer belt 11 of the first double-deck lifting platform 1 is alignd with lower floor's conveyer belt 22 of the second double-deck lifting platform 2, and lower floor's conveyer belt 12 of the first double-deck lifting platform 1 is alignd with the upper strata conveyer belt 21 of the second double-deck lifting platform 2.
With Fig. 3 is example, describes the concrete working method of the utility model double-deck side by side monorail chip mounter workbench in detail.
Before chip mounter work, according to the pcb board width that will mount, the distance of adjusting between crossbeam through screw mandrel 31,41 and 50, and adjust the distance between double-deck workbench 1,2 levels according to the thickness of pcb board.At this moment, two double-deck lifting platforms all are in down position, and upper strata conveyer belt 11,21 all aligns with import conveyer belt 30, outlet conveyer belt 40.In chip mounter when work,, import conveyer belt 30 is delivered to the upper strata conveyer belt 11 of first lifting platform 1 with pcb board, and clamp system 6 clamps pcb board; Then; Elevating mechanism 10 drives the first double-deck lifting platform 1 and rises; When lower floor's conveyer belt 12 of the first double-deck lifting platform 1 aligns with the upper strata conveyer belt of the second double-deck lifting platform 2, when promptly lower floor's conveyer belt 12 alignd with upper strata conveyer belt 21, the first double-deck lifting platform 1 stopped.Then; Placement head is paster on the pcb board that installs; Meanwhile; Upper strata conveyer belt 21 and elevating mechanism 20 that import conveyer belt 30 is delivered to the second double-deck lifting platform 2 with second pcb board drive second double-deck lifting platform 2 risings, and lower floor's conveyer belt 22 of the second double-deck lifting platform 2 is alignd with lower floor's conveyer belt 12, the outlet conveyer belt 40 of import conveyer belt 30, the first double-deck lifting platform.
After first pcb board pasted sheet; Elevating mechanism 10 drives the first double-deck lifting platform 1 and descends, and simultaneously, placement head is to second pcb board paster; Then; First pcb board that outlet conveyer belt 40 will paste sheet seen off, and import conveyer belt 30 is delivered to the upper strata conveyer belt 11 of the first double-deck lifting platform 1, elevating mechanism 10 drives first double-deck lifting platform 1 rising with the 3rd pcb board; After second pcb board paster was intact, elevating mechanism 20 drove the second double-deck lifting platform 2 and descends, and outlet conveyer belt 40 is seen second pcb board off.So far, the chip mounter workbench has been accomplished a duty cycle.
As shown in Figure 4; Elevating mechanism comprises motor 100, is with 101 synchronously, synchronous pulley 1010,1011,1012,1013,1014; Belt pulley 1020,1021,1022,1023,1024,1025, lifting platform 103,104,105,106 and screw mandrel 1031,1041,1051,1061.
Motor 100 drives synchronous pulley 1010 and rotates; Synchronous pulley 1010 drives is with 101 to rotate synchronously; Be with 101 to drive synchronous pulley 1011,1012,1013,1014 and belt pulley 1020,1021,1022,1023,1024,1025 rotations synchronously; Synchronous pulley 1011,1012,1013,1014 drives screw mandrel 1031,1041,1051,1061 and rotates, and screw mandrel 1031,1041,1051,1061 drives lifting platform 103,104,105,106 rise and fall.
As shown in Figure 5, the clamp system that is installed on the crossbeam comprises spring 60,61 and 64, lever 62, and cylinder 63, clamping plate 65, and dull and stereotyped 66; Spring 60,64 upper ends contact with the crossbeam matrix, the lower end contacts with clamping plate 65, and spring 60,64 can only stretch downwards; Spring 61 upper ends contact with the crossbeam matrix, the lower end contacts with lever 62 left ends, and spring 61 can only stretch downwards; Lever 62 left ends contact with dull and stereotyped 66, right-hand member contacts with clamping plate 65; Cylinder 63 upper ends contact with dull and stereotyped 66; Wherein, cylinder 63 is used to control this clamp system, and this clamp system vertical direction clamps the pcb board that will mount.
When pcb board does not arrive the precalculated position; Cylinder is to plate 66 no active forces, because the elastic force of the elasticity rate spring 60,64 of spring 61 is big, and the thrust that 60,64 pairs of clamping plate of spring, 65 downward elastic force make progress less than 62 pairs of clamping plate of lever; At this moment, clamping plate are in lifting position; When pcb board arrives the precalculated position, the cylinder push pedal 66 that makes progress, spring 61 begins compression, and the lever left end begins to rise simultaneously, and right-hand member begins to descend, and clamping plate 65 compress pcb board under the effect of spring 60 and spring 64.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.