Utility model content
The purpose of this utility model is to provide a kind of linear electric motors that adopt to drive multiplex (MUX) to carry out the chip mounter of mobile working as slide plate for the deficiencies in the prior art, and it has good operating stability, and precision is high, and efficiency is high, the advantage of long service life.
For achieving the above object, of the present utility model a kind ofly have with linear electric motors the chip mounter that multiplex (MUX) makes slide plate, comprise rack, rack is provided with Y-axis drive unit, Y-axis drive unit is connected with feeding table, the top of feeding table arranges frame, and erecting is equipped with X-axis drive unit, and described X-axis drive unit comprises mount pad, linear slide rail, linear electric motors and at least two pieces of work slide plates; Mount pad is installed on frame, and linear slide rail comprises guide rail and is slidably connected at least two group slide block groups of guide rail, and guide rail is fixedly installed in mount pad; At least two electric movers that linear electric motors comprise motor stator and are connected with motor stator, motor stator is fixedly installed in mount pad; Every block work slide plate respectively with wherein one group of slide block group, one of them electric mover is corresponding connects; Every block work slide plate is all provided with mounting head.
Preferably, described work slide plate comprises the first work slide plate and the second work slide plate, and slide block group comprises the first slide block group and the second slide block group, and electric mover comprises the first electric mover and the second electric mover; First work slide plate is connected with the first slide block group, the first electric mover, and the second work slide plate is connected with the second slide block group, the second electric mover.
Preferably, the side of described first electric mover is fixedly connected with the first mover connecting plate, and the side of the second electric mover is fixedly connected with the second mover connecting plate; First mover connecting plate and first slide plate that works is fixedly connected with, and the second mover connecting plate and second slide plate that works is fixedly connected with.
Preferably, the sidepiece of described first work slide plate is connected with the first read head, and the sidepiece of the second work slide plate is connected with the second read head, and the side of mount pad is provided with the grating scale corresponding with the first read head, the second reading head location.
Preferably, described first read head lateral surface is provided with the first read head mount pad, and the first read head is fixedly installed in the first work slide plate by this first read head mount pad; Second read head lateral surface is provided with the second read head mount pad, and the second read head is fixedly installed in the second work slide plate by this second read head mount pad.
Preferably, the first cushion block is provided with between described first work slide plate and the first slide block group; The second cushion block is provided with between second work slide plate and the second slide block group.
Preferably, described linear slide rail has two groups, and two groups of linear slide rails are parallel is installed on mount pad.
Preferably, described mount pad is provided with optoelectronic switch.
Preferably, the both sides of described mount pad are respectively arranged with end plate.
Wherein, described chip mounter also comprises controller, and Y-axis drive unit, X-axis drive unit and mounting head are electrically connected respectively at controller.
The beneficial effects of the utility model: one, single motor stator can be connected multiple electric mover, multiple electric mover can realize controlling a work slide plate respectively and carry out mobile working; Two, acceleration during linear electric motors work is larger, and speed is faster; Three, to carry out the positioning precision of movement high for linear electric motors control work slide plate, adopt grating closed-loop control, positioning precision can reach 0.5um, the driving system of linear motor of application feedfoward control can reduce tracking error more than 200 times, and due to the dynamic characteristic of moving component good, respond sensitive, add becoming more meticulous of INTERPOLATION CONTROL OF PULSE, nanoscale can be realized and control; Four, stroke is unrestricted, and lengthen the length arranging motor stator as required and can realize increasing shift motion, technique is simple; Five, electric mover is in vacant state in motor stator, there is not friction between electric mover and motor stator, guarantees the longer service life of linear electric motors.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
embodiment one.
As shown in Figures 1 to 4, of the present utility model a kind ofly have with linear electric motors the chip mounter that multiplex (MUX) makes slide plate, comprise rack 3, rack 3 is provided with Y-axis drive unit 2, Y-axis drive unit 2 is connected with feeding table 5, the top of feeding table 5 arranges frame 8, and frame 8 is provided with X-axis drive unit 1, and described X-axis drive unit 1 comprises mount pad 10, linear slide rail, linear electric motors and at least two pieces of work slide plates; Mount pad 10 is installed on frame 8, and linear slide rail comprises guide rail 20 and is slidably connected at least two group slide block groups of guide rail 20, and guide rail 20 is fixedly installed in mount pad 10; At least two electric movers that linear electric motors comprise motor stator 30 and are connected with motor stator 30, motor stator 30 is fixedly installed in mount pad 10; Every block work slide plate respectively with wherein one group of slide block group, one of them electric mover is corresponding connects; Every block work slide plate is all provided with mounting head (not drawing in figure).Concrete, chip mounter switches on power and carries out work, and Y-axis drive unit 2 drives feeding table 5 to carry out pcb board conveying, when pcb board moves to the below of frame 8; Simultaneously, also start working after the linear electric motors of X-axis drive unit 1 switch on power, multiple electric mover drives wherein one piece of work slide plate carry out front and back with linear guides 20 for guiding or move up and down respectively, wherein, each work slide plate is provided with mounting head respectively, when mounting head just moves to directly over pcb board, mounting head declines and Surface Mount Component, is positioned on the pad of pcb board exactly, and then X-axis drive unit 1 achieves linear electric motors and controls multiple work slide plate and move, namely control multiple mounting head and move.In addition, the mounting head adopted in the technical program all can directly be purchased, and belongs to the mounting head of prior art.
Wherein, Y-axis drive unit 2 comprises linear slide rail, servomotor, screw mandrel 7 and travelling nut 6, linear slide rail and servomotor directly can be installed on the upper surface of rack 3, the end of screw mandrel 7 is connected with the main shaft drives of servomotor, travelling nut 6 and screw mandrel 7 are spirally connected, and feeding table 5 is connected with travelling nut 6 and linear slide rail again; After startup work, the main shaft of motor drives screw mandrel 7 to rotate, and the travelling nut 6 being bolted in screw mandrel 7 moves linearly, and then drives feeding table 5 to be that guiding moves with linear slide rail.Certainly, the Y-axis drive unit 2 of the technical program also can adopt the structure identical with X-axis drive unit 1, only needs to convert setting direction.
In the present embodiment, described work slide plate comprises the first work slide plate 41 and the second work slide plate 42, and slide block group comprises the first slide block group 21 and the second slide block group 22, and electric mover comprises the first electric mover 31 and the second electric mover 32; First work slide plate 41 is connected with the first slide block group 21, first electric mover 31, and the second work slide plate 42 is connected with the second slide block group 22, second electric mover 32; After linear electric motors energising, the first electric mover 31 and the second electric mover 32 move relative to motor stator 30 respectively, and namely the first electric mover 31 drives connected first work slide plate 41 to move for being directed on guide rail 20 with the first slide block group 21; Second electric mover 32 drives connected second work slide plate 42 to move for being directed on guide rail 20 with the second slide block group 22; Namely achieve duplex to make slide plate and carry out mobile working simultaneously, certainly, the translational speed of the first electric mover 31 and the second electric mover 32 and shift motion can carry out free setting according to needing of producing, and then the mounting head work that work slide plate is installed can be driven, duplex carries out work as slide plate, and operating efficiency is higher.
In the present embodiment, the side that the side of described first electric mover 31 is fixedly connected with the first mover connecting plate 51, second electric mover 32 is fixedly connected with the second mover connecting plate 52; First mover connecting plate 51 and first slide plate 41 that works is fixedly connected with, and the second mover connecting plate 52 and second slide plate 42 that works is fixedly connected with; Particularly, indirectly make the first electric mover 31 and first slide plate 41 that works be connected by the first mover connecting plate 51, the stability in the first work slide plate 41 moving process can be strengthened in the first mover connecting plate 51 1 aspect set up; On the other hand, according to the needs produced, by setting up the first mover connecting plate 51 to increase the height etc. after the first work slide plate 41 installation; The structure of the second mover connecting plate 52 and effect all with the structure of the first mover connecting plate 51 with act on identical, rationally, result of use is good for overall construction design.
In the present embodiment, the sidepiece that the described first sidepiece working slide plate 41 is connected with the first read head 61, second work slide plate 42 is connected with the second read head 62, and the side of mount pad 10 is provided with the grating scale 80 corresponding with the first read head 61, second read head 62 position, concrete, when the first electric mover 31 drives the first work slide plate 41 to move, being connected to the first read head 61 bottom the first work slide plate 41 along with the first work slide plate 41 moves, simultaneously, first read head 61 can sense the positional information that mount pad 10 is fitted on the grating scale 80 of setting, on the controller 4 that this information feed back to automation equipment is installed by the first read head 61 again or driver, controller 4 or driver control the first electric mover 31 again and move, thus reach the movement accurately controlling the first work slide plate 41, and then reach the movement accurately controlling mounting head, the structure of the second read head 62 and effect all with the structure of the first read head 61 with act on identical, production can be allowed to become faster by arranging of above-mentioned technical characteristic, more stable, precision is higher, and efficiency is higher.
In the present embodiment, described first read head 61 lateral surface is provided with the first read head mount pad 71, first read head 61 and is fixedly installed in the first work slide plate 41 by this first read head mount pad 71; Second read head 62 lateral surface is provided with the second read head mount pad 72, second read head 62 and is fixedly installed in the second work slide plate 42 by this second read head mount pad 72; Concrete, by the first read head mount pad 71, first read head 61 is fixedly installed on the first work slide plate 41, make the work connective stability of slide plate 41 of the first read head 61 and first better, when avoiding the first work slide plate 41 to move, the first read head 61 is impacted, ensure the normal work of the X-axis drive unit 1 of automatic placement machine; Wherein, structure and the effect of the second read head mount pad 72 all with the structure of the first read head mount pad 71 with act on identical.
In the present embodiment, described mount pad 10 is provided with optoelectronic switch 90; Optoelectronic switch 90 is installed on the position outside the shift motion of the first electric mover 31 and the setting of the second electric mover 32; the region outside stroke is moved to when optoelectronic switch 90 detects the work of the first electric mover 31 and the second electric mover 32; optoelectronic switch 90 detects and but power-off source in real time; quit work; ensure that motor stator 30 only carries out mobile working in presetting impulse stroke, play power-off protection.
The chip mounter of the present embodiment also comprises controller 4, and Y-axis drive unit 2, X-axis drive unit 1 and mounting head are electrically connected respectively at controller 4; Concrete, controller 4 can adopt PLC 4, controller 4 receives the feedback signal of Y-axis drive unit 2, X-axis drive unit and mounting head, and directly control Y-axis drive unit 2, X-axis drive unit and mounting head carry out operation according to the signal received, realize high efficiency, high-quality production.
embodiment two.
The difference of the present embodiment and embodiment one is, is provided with the first cushion block between described first work slide plate 41 and the first slide block group 21; The second cushion block is provided with between second work slide plate 42 and the second slide block group 22; Concrete, can suitably make the setting height(from bottom) of the first work slide plate 41 increase by arranging of the first cushion block, the distance between the first work slide plate 41 and mount pad 10 surface can be made larger, and installing space is wider, and operability is stronger; In like manner, the structure of the second cushion block is identical with the first cushion block with effect.
The remainder of the present embodiment is identical with embodiment one, in the present embodiment unaccounted feature, all adopts the explanation of embodiment one, no longer repeats here.
embodiment three.
The difference of the present embodiment and embodiment one is, described linear slide rail has two groups, and two groups of linear slide rails are parallel is installed on mount pad 10; Concrete, adopt the setting of two groups of linear slide rails, can guarantee that the movement of control work slide plate is more steady, left and right does not occur unbalance, and then realizes better to the mobile control effects of scraper.
The remainder of the present embodiment is identical with embodiment one, in the present embodiment unaccounted feature, all adopts the explanation of embodiment one, no longer repeats here.
embodiment four.
The difference of the present embodiment and embodiment one is, the both sides of described mount pad 10 are respectively arranged with end plate 11; Arranging of end plate 11 can avoid the first electric mover 31 and the second electric mover 32 to skid off mount pad 10 on the one hand; Can be connected fixing for the dust cover of peripheral hardware with this end plate 11 on the one hand in addition, dustproof and waterproof protective effect is played to each structure member installed in mount pad 10.
The remainder of the present embodiment is identical with embodiment one, in the present embodiment unaccounted feature, all adopts the explanation of embodiment one, no longer repeats here.
embodiment five.
In the present embodiment, work slide plate is three pieces, and the guide rail 20 of linear slide rail is sliding three groups of slide block groups, and the motor stator 30 of linear electric motors is connected with three electric movers; This kind of design can make linear electric motors can control three work slide plates to move simultaneously, and operating efficiency is higher.
The remainder of the present embodiment is identical with embodiment one, in the present embodiment unaccounted feature, all adopts the explanation of embodiment one, no longer repeats here.
Known the present invention has following 5 good characteristics in sum: one, single motor stator 30 can be connected multiple electric mover, and multiple electric mover can realize controlling a work slide plate respectively and carry out mobile working; Two, acceleration during linear electric motors work is larger, and speed is faster; Three, to carry out the positioning precision of movement high for linear electric motors control work slide plate, adopt grating closed-loop control, positioning precision can reach 0.5um, the driving system of linear motor of application feedfoward control can reduce tracking error more than 200 times, and due to the dynamic characteristic of moving component good, respond sensitive, add becoming more meticulous of INTERPOLATION CONTROL OF PULSE, nanoscale can be realized and control; Four, stroke is unrestricted, and lengthen the length arranging motor stator 30 as required and can realize increasing shift motion, technique is simple; Five, electric mover is in vacant state in motor stator 30, there is not friction between electric mover and motor stator 30, guarantees the longer service life of linear electric motors.Because the X-axis drive unit 1 of the chip mounter of the technical program has above-mentioned advantage, made it in use, promote in conventional art the effect that do not have and there is practicality, becoming the novel product structure that has practical value.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.