CN204634174U - Feeding of chip mounter device - Google Patents
Feeding of chip mounter device Download PDFInfo
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- CN204634174U CN204634174U CN201520360453.5U CN201520360453U CN204634174U CN 204634174 U CN204634174 U CN 204634174U CN 201520360453 U CN201520360453 U CN 201520360453U CN 204634174 U CN204634174 U CN 204634174U
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Abstract
The utility model discloses a kind of feeding of chip mounter device, feeding of chip mounter device, comprise sheet holder, described holder is provided with the bending type material strip guide groove of feed strip walking, the top of holder front end is provided with the material strip pressing plate being separated material strip and film, holder below material strip pressing plate is provided with material strip feed mechanism, the top of the corresponding material strip feed mechanism of material strip pressing plate is provided with material taking mouth; Described holder rear portion is provided with the packaging film feeding mechanism of tracting film walking; Holder above described packaging film feeding mechanism is also provided with the guidance panel for controlling material strip feed mechanism and packaging film feeding mechanism action respectively.The utility model structure is simple, compact, width are applicable to high-density installation, can realize on the basis that single material strip controls separately, improves stability and reliability that chip mounter runs, and reduces equipment cost.
Description
Technical field
The utility model relates to chip mounter technical field, especially for a kind of pay-off on chip mounter.
Background technology
Chip mounter, it is a kind of special equipment of electron trade surface mount elements attachment, also known as surface mount system, control system is utilized to drive mounting head motion, by mounting head suction nozzle from loader pickup device, and attachment is in the corresponding pad locations of circuit board, the automatic attachment of final realizing circuit panel element.Automatic feeder is one of critical piece of chip mounter, it mainly to complete components and parts material continuously, stable, be reliably transported to chip mounter feeding position.The large-scale chip mounter of tradition generally uses independently feed appliance (feeder flies to reach), independently flies accurate feeding, nylon membrane stripping collecting function that Danone completes material strip; But traditional pneumatic fly to reach there is following shortcoming: 1) volume is large, complex structure, cost are high, can not be applicable to small table formula chip mounter; 2) owing to using compressed air as power, external gas source is needed; 3) material strip supplying position depends on machinery location, causes pushing precision limited, uses dumb; 4) when running, mechanical oscillation are large, easily cause material malfunction, and then cause chip mounter feeding unsuccessfully.
The number of the pay-off can installed due to Table top type chip mounter is an important technology index of chip mounter, add chip mounter mesa edge limited length, improve the packing density of pay-off, can only be realized by the volume reducing device as far as possible, especially will reduce the width of pay-off; In addition, because pay-off needs batch to install usually, a chip mounter generally will join tens of cover pay-off, and it is comparatively large that its production cost accounts for chip mounter total cost of production proportion, so it is significant to the raising chip mounter market competitiveness to reduce single independently pay-off production cost.
Utility model content
The utility model technical issues that need to address are to provide the feeding of chip mounter device that a kind of structure is simple, compact, width are applicable to high-density installation, can realize on the basis that single material strip controls separately, improve stability and the reliability of chip mounter operation, and reduce equipment cost.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
Feeding of chip mounter device, comprise sheet holder, described holder is provided with the bending type material strip guide groove of feed strip walking, the top of holder front end is provided with the material strip pressing plate being separated material strip and film, holder below material strip pressing plate is provided with material strip feed mechanism, the top of the corresponding material strip feed mechanism of material strip pressing plate is provided with material taking mouth; Described holder rear portion is provided with the packaging film feeding mechanism of tracting film walking; Holder above described packaging film feeding mechanism is also provided with the guidance panel for controlling material strip feed mechanism and packaging film feeding mechanism action respectively.
Above-mentioned feeding of chip mounter device, described material strip feed mechanism comprises feeding ratchet, the second motor, motor encoder device, worm-and-wheel gear and photoelectric detection system; Described feeding ratchet is provided with the feeding tooth corresponding with material strip hole, motor encoder device is coaxially arranged on the rear of the second motor, the parallel material strip feedstock direction of second motor is arranged, the output shaft front end of the second motor connects the second worm screw, second worm screw is meshed with the second worm gear, and the second worm gear connects feeding ratchet by gear train; Described photoelectric detection system comprises the slot type photoelectric detection switch for determining charging tooth zero-bit, and slot type photoelectric detection switch is installed on the both sides of feeding ratchet feeding tooth, and photoelectric detection switch is by the gap conducting between adjacent feeding tooth.
Above-mentioned feeding of chip mounter device, described gear train at least comprises a master gear, and master gear is meshed with the second worm gear, and master gear connects feeding ratchet by the second coaxial bearing.
Above-mentioned feeding of chip mounter device, described packaging film feeding mechanism comprises the first motor, the first equipped mutually worm screw, the first worm gear and the winder driving wheel be meshed and winder driven pulley, described first motor is lain on one's side and is fixedly mounted on the side of holder, the output shaft of the first motor connects the first worm screw, and the first worm screw is axially parallel to holder side and arranges; Described first worm gear and winder driving wheel are arranged on holder by bearing pin and the clutch shaft bearing be fitted on bearing pin, and described winder driven pulley is arranged on winder driving wheel rear by the hold-down mechanism be hinged on holder.
Above-mentioned feeding of chip mounter device, described hold-down mechanism comprises clamping arm and clamping arm spring, and clamping arm hinge is passed through on holder in the middle part of clamping arm; One end of described clamping arm spring connects the upper end of clamping arm, the other end connection fixing base of clamping arm spring; Described winder driven pulley is arranged on the lower end of clamping arm by bearing pin and the bearing be fitted on bearing pin.
Above-mentioned feeding of chip mounter device, described holder is also provided with film guide mechanism, film guide mechanism comprises somely perpendicularly with holder sidewall leads film pulley, wherein at least one leads film pulley by Bracket setting above holder, leads between film pulley and support and leads between film pulley and holder sidewall all by bearing pin assembly connection; Described material strip film successively through material strip pressing plate, lead film pulley after, pass between winder driving wheel and winder driven pulley.
Above-mentioned feeding of chip mounter device, described material strip pressing plate comprises the supporting bracket be arranged on by pressing plate bearing pin on holder sidewall, the rear and front end of supporting bracket is respectively arranged with anti-stopping materials strip and departs from material strip guide groove and the fixture block connecting supported on both sides plate, is provided with the thin film separation sheet being separated material strip and film in the middle part of the supporting bracket between two fixture blocks.
Above-mentioned feeding of chip mounter device, the rear end of described material strip pressing plate is connected on holder by rag iron spring.
Above-mentioned feeding of chip mounter device, described holder offers the groove installing packaging film feeding mechanism and material strip feed mechanism, the holder upper side frame place of respective slot is provided with the open slot complying with film.
Above-mentioned feeding of chip mounter device, the upper front end of described holder is provided with the flat position of installing material strip pressing plate.
Owing to have employed above technical scheme, acquired by the utility model, technological progress is as follows.
The utility model structure is simple, with low cost, can realize the independence control of single material strip feeding, film overburden operation; Owing to being made up of a small amount of several part, assembly technology is simple, is applicable to batch production; Adopt worm and worm gear to carry out power transmission, make motor and actuator can be in the same plane, at utmost reduce the width of device, be applicable to the high-density installation requirement of Table top type chip mounter.
Material strip feed mechanism of the present utility model, owing to adopting motor encoder device to realize accurate position feedback, coordinates the zero-bit of photoelectric detection system determination charging ratchet, makes it to reach high-precision charging ability, thus improve charging precision.The utility model when ensureing powder feeding efficiency, by optimizing the acceleration and deceleration process of motor, can also ensure that fill process is steady and smooth, substantially increasing the stability of charging.The setting of motor encoder device, the material strip amount of feeding is also made to arrange arbitrarily, in actual use procedure, the amount of feeding of feed arrangement can be set flexibly according to required charging step-length, as long as this just makes the same material strip of width that the feed arrangement of same model can be used to carry out charging, greatly facilitate user to use, improve the flexibility of use.
In the utility model, packaging film feeding mechanism can make winder driven pulley skid after film receives position, thus automatically stops peeling off, and controls excessive problem so do not exist, during work, winder driving wheel only need operate the distance slightly grown than predetermined stripping length, thus eliminates cumulative errors; Simultaneously, the peeling moment of film is only relevant with the width of film, pressure between winder driving wheel and winder driven pulley, and due to winder driving wheel and winder driven pulley employing gears meshing, impact by humiture change is very little, without the need to frequent adjustment in use procedure, improve the reliability of chip mounter long-time running of knowing clearly.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is rearview of the present utility model;
Fig. 3 is stereogram of the present utility model;
Fig. 4 is the structural representation of material strip feed mechanism described in the utility model;
Fig. 5 is the structural representation of motor encoder device described in the utility model.
Wherein: 1. holder, 2. the first motor, 3. the first worm screw, 4. the first worm gear, 5. winder driving wheel, 6. winder driven pulley, 7. clamping arm, 71. clamping arm bearing pins, 81. rag iron springs, 82. clamping arm springs, 9. material strip, 10. film, 11. lead film pulley, 12. thin film separation sheets, 13. material strip pressing plates, 131. material taking mouth, 14. pressing plate bearing pins, 15. clutch shaft bearings, 16. grooves, 17. open slots, 18. flat positions, 19. material strip guide grooves, 20. second motors, 21. feeding ratchets, 22. master gears, 23. second bearings, 24. second worm gears, 25. second worm screws, 26. motor encoder devices, 262. base plate, 263. upper backup pad, 264. lower supporting plate, 265. coding disk, optoelectronic switch on 266., 267. times optoelectronic switches, 268. motor output end, 27. photoelectric detection switch, 28. guidance panels.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the utility model is described in detail.It should be noted that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Feeding of chip mounter device, its structure as shown in Figures 1 to 3, comprises holder, material strip pressing plate, material strip feed mechanism and packaging film feeding mechanism.Material strip pressing plate 13 is arranged on the top of holder front end, for separating of material strip 9 and film 10, and compresses material strip; Packaging film feeding organization establishes, at holder rear portion, is walked for tracting film; Material strip feed mechanism is arranged on the front lower portion of holder, for realizing the feeding of material.
Holder is the main body of stripping off device, for position components.Holder 1 is laminated structure, is fixed by screws in the frame of chip mounter.Holder 1 is provided with the material strip guide groove 19 of bending-type structure, walks for feed strip 9.
In the utility model, the thickness of holder 1 is a bit larger tham material strip width, holder offers groove 16, and for installing packaging film feeding mechanism and material strip feed mechanism, packaging film feeding mechanism is arranged on the rear portion of groove, and material strip feed mechanism is arranged on the front portion of groove; The holder upper side frame place of respective slot 16 is provided with the open slot 17 complying with film, passes before packaging film feeding from open slot; The upper front end of holder 1 is provided with flat position 18, for installing material strip pressing plate 13.Adopt this kind of structure can reduce the width of device as much as possible, reduce the volume of device further, improve the packing density of device on chip mounter.
The structure of material strip feed mechanism as shown in Figure 4, comprises feeding ratchet 21, second motor 20, motor encoder device 26, power drive mechanism and photoelectric detection system; Feeding ratchet is arranged on holder side plate by bearing pin and the second bearing 23 be assemblied on bearing pin, and the circumference of feeding ratchet is provided with the feeding tooth corresponding with material strip hole; Material strip is through material strip pressing plate 13; Second motor 20, motor encoder device 26, power drive mechanism and photoelectric detection system are all positioned at same plane with feeding ratchet, and are all arranged on the holder side plate below material strip.
Material strip pressing plate 13 is arranged on two pieces of supporting brackets above feeding ratchet 21, on holder sidewall by pressing plate bearing pin 14, and the rear and front end of supporting bracket is respectively arranged with the fixture block connecting supported on both sides plate, and fixture block is also for compressing material strip; Thin film separation sheet 12 is provided with, for separating of material strip and film in the middle part of supporting bracket between two fixture blocks.
The top that material strip pressing plate 13 is positioned at feeding ratchet is provided with material taking mouth 131, material strip is through material strip pressing plate 8, feeding tooth drives material strip to advance forward for the circular hole embedded on material strip, material is placed with in square hole on material strip, square hole is stamped one deck material film, prevents material from dropping, during feeding, expect that film is synchronously thrown off, expose material, wait for that mounting head comes to draw; The below of material strip pressing plate 13 is provided with rag iron spring 81, one end connection fixing base of rag iron spring 81, the lower end of other end binder band pressing plate, material strip 9 is guided to material strip pressing plate place along material strip guide groove, connects one end of rag iron spring with subordinate material pressing belt pressing plate, the other end of material strip pressing plate tilts, guide material strip to pass from material strip pressing plate simultaneously, and the feeding tooth on feeding ratchet is engaged with material strip hole, then unclamp described material strip pressing plate, material strip and compacted.
The parallel material strip feedstock direction of second motor 20 is arranged on holder, and motor encoder device 26 is coaxially arranged on the rear of the second motor 20, and the output shaft front end of the second motor 20 connects feeding ratchet 21 by power drive mechanism.Motor encoder device 26 is for feeding back the running stroke of the second motor according to the amount of feeding of material strip; After second electric motor starting, drive feeding ratchet to rotate by power drive mechanism, after feeding ratchet rotates to the amount of feeding of specifying, the second motor is out of service.
The structure of motor encoder device as shown in Figure 5, comprises coding disk 265, base plate 262, optoelectronic switch group and signals collecting and coding circuit.Coding disk 265 is assemblied in the second motor output end 268, and base plate 262, between coding disk and the second motor, vertically with the second motor output shaft to be arranged, and base plate is fixedly mounted on the second motor 20 and arranges in the installing hole of coding disk side; Optoelectronic switch group is arranged on the lateral surface between base plate and coding disk; Signals collecting and coding circuit are arranged on base plate, for receiving photoelectric switching signal, and control motor operation.
Coding disk 265 is arranged on motor and stretches out output outside base plate, the even notch being furnished with some radial directions and arranging of annular on coding disk.
In the utility model, motor is also provided with train of reduction gears.When the second electric machine rotation one encloses, train of reduction gears output only rotates a small step, can not affect on the basis of encoding precision like this, do very low by the resolution of code device, thus reduces processing request.
The optoelectronic switch group of motor encoder device comprises optoelectronic switch 266 and lower optoelectronic switch 267, and upper optoelectronic switch 266 and lower optoelectronic switch 267 are arranged on the two ends up and down of coding disk respectively by upper backup pad 263 and lower supporting plate 264; Upper optoelectronic switch and lower optoelectronic switch form an angle α install, when optoelectronic switch is interdicted by coding disk, lower optoelectronic switch is just by the notch conducting on coding disk.
Each optoelectronic switch comprises an infrared emission end and an infrared receiver end respectively, infrared emission end and infrared receiver end are arranged on the inside and outside both sides of coding disk respectively, but do not contact with coding disk, the infrared light that infrared emission end sends is received by infrared receiver termination by the notch on coding disk, also infrared receiver end can cannot be received by blocking of coding disk, thus produce pulse output.
The operation principle of motor encoder device is: during the second motor rotation, drive coding disk rotates, along with the rotation of coding disk, two optoelectronic switches constantly switch between blocking and conducting, produce two-way pulse to export, due to another optoelectronic switch just conducting when one of them optoelectronic switch is interdicted, so the two-way impulse phase produced just differs 90 degree.Signals collecting and coding circuit, by judging the positive and negative direction that can obtain motor rotation of two-way pulse phase difference, simultaneously also by counting to get the distance that motor runs to the pulse produced, thus obtain motor operating state and positional information.
The utility model medium power transmission mechanism adopts worm-and-wheel gear and gear train, to reduce width of the present utility model, reduced volume, improves the packing density on chip mounter.Second worm screw 25 of worm-and-wheel gear connects the output shaft front end of the second motor 20, second worm screw 25 is meshed with the second worm gear 24, second worm gear 24 connects feeding ratchet 21 by gear train, thus realize the spinning movement the second motor being converted to the feeding ratchet being parallel to material strip direction of feed perpendicular to the spinning movement of material strip direction of feed, complete feeding operation further.In the present embodiment, gear train only adopts a master gear, and master gear 22 is meshed with the second worm gear 24, and master gear 22 is coaxially connected with feeding ratchet 21 by the second bearing 23; This kind of structure on the basis meeting plane arrangement structure requirement, can reduce the setting of parts, simplifies production routine, reduces costs.
Because motor encoder device can only ensure that motor runs the distance determined, and then the distance that feeding escapement-feed is specified, but cannot ensure that the initial position of feeding ratchet is correct.And, due to cause that the is mechanical and error of calculation, the corresponding precision of supplying position of motor rotation Distance geometry feeding ratchet is limited, such as learn in theory or by calibration, motor rotation 10 encloses the position of a feeding ratchet charging tooth, suppose that feeding ratchet initial position is fixed simultaneously, enclose as long as so each charging control motor turns 10.But along with the time increases, error is constantly accumulated, the position of feeding ratchet can offset, such as motor rotation 1000 encloses, charging tooth has only walked 99.8 lattice, and approaches in any case, and error always can exist, feeding will be caused like this to occur deviation, so the utility model ensures the exact position of charging ratchet by arranging photoelectric detection system feedback.
Photoelectric detection system comprises photoelectric detection switch 27, for determining the zero-bit of charging tooth.Photoelectric detection switch 27 is installed on the both sides of feeding ratchet feeding tooth, photoelectric detection switch can interdict by the feeding tooth on feeding ratchet, namely by the gap conducting between adjacent feeding tooth, chip mounter controls the start and stop of motor according to the change of photoelectric detection switch conducting state and resets motor encoder device.
In a feeding process, feeding ratchet is the different position only walking one or a small amount of several tooth as requested, during device power-on reset, charging tooth can be allowed to walk a segment distance, and stop at a definite initial position according to the change of the signal condition of photoelectric detection system, complete the determination of zero-bit.Such as, during device power-on reset, feeding ratchet is allowed slowly to advance, once detect that namely optoelectronic switch blocking stops, namely feeding ratchet is parked in a definite position, after this position of an if desired charging tooth, photoelectric detection system first should detect conducting, detect that again interdicting expression tooth really covers, and namely completes a feeding again.Period relates to the determination to motor start and stop position, often completes a charging simultaneously and all resets the count value of motor encoder device, prevent accumulated error.
Packaging film feeding mechanism comprises the first motor 2, first worm screw 3, first worm gear 4, winder driving wheel 5 and winder driven pulley 6; First worm screw 3 and the first worm gear 4 are equipped mutually, for being longitudinally converted to lateral rotation; Winder driving wheel 5 and winder driven pulley 6 are meshed, and for clamping through the film winder driving wheel and winder driven pulley, and under the first electric machine rotation, drive the rotation of winder driving wheel and tracting film is walked by the first worm screw first worm gear downwards.In the utility model, the first motor 2 is lain on one's side, and is fixedly mounted in the groove 16 of holder side, and the output shaft of the first motor 2 connects the first worm screw 3, first worm screw 3 and is axially parallel to the setting of holder 1 side; First worm gear 4 is arranged on holder with winder driving wheel 5 by bearing pin and the clutch shaft bearing 15 be fitted on bearing pin, and winder driven pulley 6 is arranged on winder driving wheel 5 rear by the hold-down mechanism be hinged on holder.
Hold-down mechanism comprises clamping arm 7 and clamping arm spring 82, and the middle part of clamping arm 7 is hinged on holder 1 by clamping arm bearing pin 71; One end of clamping arm spring 82 connects the upper end of clamping arm 7, the other end connection fixing base 1 of clamping arm spring 82; Winder driven pulley 6 is arranged on the lower end of clamping arm 7 by bearing pin and the bearing be fitted on bearing pin.
Because the clamping arm in hold-down mechanism can bearing pin be that fulcrum rotates, winder driven pulley 6 position therefore arranging clamping arm lower end can be movable, can realize being separated or combining of winder driven pulley and winder driving wheel by adjustment clamping arm; When winder driving wheel 5 is separated with winder driven pulley 6, the end of film can be realized to wear the gap passing through winder driving wheel 5 and winder driven pulley 6; When winder driving wheel 5 and winder driven pulley 6 in conjunction with time, the compression of film can be realized, walk with tracting film under the control of the first motor.The setting of clamping arm spring, for providing support power for winder driven pulley applies pressure to winder driving wheel, namely can change winder driven pulley to winder driving wheel applied pressure by the elastic force changing clamping arm spring, change the tractive effort of winder driving wheel 5 and winder driven pulley 6 pairs of films further.
In the utility model, holder 1 being also provided with film guide mechanism, walking for guiding film.Film guide mechanism comprises somely leads film pulley 11, and wherein at least one leads film pulley by Bracket setting above holder, for upwards provoking film, reduces the resistance run in film and material strip separation process.Lead between film pulley and support and to lead between film pulley and holder sidewall all by bearing pin assembly connection on holder, and lead film pulley spindle to perpendicular with holder sidewall.Arrange two in the present embodiment altogether and lead film pulley 11, another is led film pulley and is arranged on the top holder sidewall of winder driving wheel and winder driven pulley engaging piece, to ensure that film normal enters between winder driving wheel and winder driven pulley.
In the utility model, the holder 1 above packaging film feeding mechanism is also provided with guidance panel 28, for controlling the startup of the first motor, the second motor.
The step of installing material strip is: first material strip is guided to described material strip pressing plate place along pay-off material strip material strip guide groove, one end of rag iron spring is connected with subordinate material pressing belt pressing plate, the other end tilts, guide material strip to pass from material strip pressing plate simultaneously, and the feeding tooth on feeding ratchet is engaged with material strip hole, then described material strip pressing plate is unclamped, material strip and compacted.Then, one section of film is uncovered from material strip, after film being passed the gap at thin film separation sheet place on material strip pressing plate, winder driving wheel place is guided to by leading film pulley, live with hand one end that clamping arm connects clamping arm spring simultaneously, one end that clamping arm connects winder driven pulley tilts, winder driven pulley is separated with winder driving wheel simultaneously, again film is passed from the gap between winder driven pulley and winder driving wheel, then clamping arm is unclamped, winder driven pulley engages again with winder driving wheel, and film is sandwiched between winder driving wheel and winder driven pulley.
Operation principle of the present utility model is as follows:
Before second electric motor starting, feed back the second motor rotation stroke according to the material strip amount of feeding by motor encoder device; Then, start the second motor, second motor runs continuously with low speed, through the second worm screw, the second worm gear and master gear transmission, feeding ratchet is driven slowly to rotate, period constantly obtains the second motor position feedback by motor encoder device, photoelectric detection switch constantly scans the working order of feeding ratchet simultaneously, once detect that the conducting state of photoelectric detection switch changes, illustrate that feeding ratchet have rotated appointment stroke, motor is out of service, and namely material strip stops at the position of specifying, and waits for that chip mounter material fetching mechanism comes feeding.
While second electric motor starting, start the first motor, the first motor and the second motor in synchrony run.First motor drives winder driving wheel to rotate by the first worm screw, the first worm-drive, and winder driving wheel drives winder driven pulley to rotate, and drawn downwards by film, namely the film on material strip is peeled off continuously simultaneously.
After material strip arrives feeding position, the second motor is out of service, and the first motor slightly more runs the of short duration time, and period has stopped mobile due to material strip, can contact with material strip pressing plate and rub, the precipitous increasing of film skimming resistance after film stripping; Simultaneously, due to winder driving wheel and the tractive effort of winder driven pulley to film constant, and the skimming resistance be less than when film is peeled off complete, film can not be peeled off by continuation, winder driven pulley is lifted and skids simultaneously, ensures that winder puts in place with this, eliminates cumulative errors, described first motor shuts down immediately, and one time feeding process completes.Meanwhile, chip mounter resets motor encoder device, and determines feeding ratchet zero-bit, prepares to run next time.
In the course of the work, motor encoder device can only ensure the number of turns that the second motor rotation is determined to the utility model, and photoelectric detection system then can ensure the number of teeth that feeding escapement-feed is determined.Each charging second motor runs the number of turns determined in conjunction with code device, under feeding ratchet has determined the condition of initial position by photoelectric detection system, it is all known that the state that second motor turns how many circle photoelectric detection system can occur which kind of changes, such as the second motor has turned 10 circle photoelectric detection systems and should just have been interdicted, represent that deviation has appearred in feeding ratchet position if not so, such as interdicted in advance, then under the second motor secondary few number of turns of having more of turning to compensate this error, such as the second motor has turned and has not also interdicted, then the not enough number of turns supplied by the second motor.Certainly, in order to reduce the frequency of correction, raising efficiency, just can only have when deviation accumulation is to necessarily compensating.
When adopting motor encoder device to carry out the control of material strip step distance, material strip pitch of holes due to each Seed packaged band is all fixing, and storeroom is apart from likely different, storeroom, apart from the integral multiple being generally material strip pitch of holes, so namely once walks the distance of several teeth to meet the feeding requirement of different material spacing by arranging feeding ratchet.
In the utility model, winder driving wheel and winder driven pulley realize by changing spring force size the tractive effort of film, and tractive effort requires the skimming resistance be greater than when film is normally peeled off, and is less than skimming resistance when peeling off complete.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, all do within principle of the present utility model and spirit any amendment, equivalent to replace and improvement etc., be all just included within protection range of the present utility model.
Claims (10)
1. feeding of chip mounter device, it is characterized in that: comprise sheet holder (1), described holder (1) is provided with the bending type material strip guide groove (19) that feed strip (9) is walked, the top of holder front end is provided with the material strip pressing plate (13) being separated material strip (9) and film (10), the holder of material strip pressing plate (13) below is provided with material strip feed mechanism, and the top of the corresponding material strip feed mechanism of material strip pressing plate (13) is provided with material taking mouth (131); Described holder rear portion is provided with the packaging film feeding mechanism of tracting film walking; Holder (1) above described packaging film feeding mechanism is also provided with the guidance panel (28) for controlling material strip feed mechanism and packaging film feeding mechanism action respectively.
2. feeding of chip mounter device according to claim 1, is characterized in that: described material strip feed mechanism comprises feeding ratchet (21), the second motor (20), motor encoder device (26), worm-and-wheel gear and photoelectric detection system; Described feeding ratchet is provided with the feeding tooth corresponding with material strip hole, motor encoder device (26) is coaxially arranged on the rear of the second motor (20), the parallel material strip feedstock direction of second motor (20) is arranged, the output shaft front end of the second motor (20) connects the second worm screw (25), second worm screw (25) is meshed with the second worm gear (24), and the second worm gear (24) connects feeding ratchet (21) by gear train; Described photoelectric detection system comprises the slot type photoelectric detection switch (27) for determining charging tooth zero-bit, slot type photoelectric detection switch (27) is installed on the both sides of feeding ratchet feeding tooth, and photoelectric detection switch is by the gap conducting between adjacent feeding tooth.
3. feeding of chip mounter device according to claim 2, it is characterized in that: described gear train at least comprises a master gear (22), master gear (22) is meshed with the second worm gear (24), and master gear (22) coaxially connects feeding ratchet (21) by the second bearing (23).
4. feeding of chip mounter device according to claim 1, it is characterized in that: described packaging film feeding mechanism comprises the first motor (2), the first worm screw (3) equipped mutually, the first worm gear (4) and the winder driving wheel (5) be meshed and winder driven pulley (6), described first motor (2) is lain on one's side and is fixedly mounted on the side of holder, the output shaft of the first motor (2) connects the first worm screw (3), and the first worm screw (3) is axially parallel to holder (1) side and arranges; Described first worm gear (4) and winder driving wheel (5) are arranged on holder by bearing pin and the clutch shaft bearing (15) be fitted on bearing pin, and described winder driven pulley (6) is arranged on winder driving wheel (5) rear by the hold-down mechanism be hinged on holder.
5. feeding of chip mounter device according to claim 4, it is characterized in that: described hold-down mechanism comprises clamping arm (7) and clamping arm spring (82), the middle part of clamping arm (7) is hinged on holder (1) by clamping arm bearing pin (71); One end of described clamping arm spring (82) connects the upper end of clamping arm (7), the other end connection fixing base (1) of clamping arm spring (82); Described winder driven pulley (6) is arranged on the lower end of clamping arm (7) by bearing pin and the bearing be fitted on bearing pin.
6. feeding of chip mounter device according to claim 1, it is characterized in that: (1) is also provided with film guide mechanism with described holder, film guide mechanism comprises somely perpendicularly with holder sidewall leads film pulley (11), wherein at least one leads film pulley by Bracket setting above holder, leads between film pulley and support and leads between film pulley and holder sidewall all by bearing pin assembly connection; Described material strip film successively through material strip pressing plate, lead film pulley after, pass between winder driving wheel and winder driven pulley.
7. feeding of chip mounter device according to claim 1, it is characterized in that: described material strip pressing plate (13) comprises the supporting bracket be arranged on by pressing plate bearing pin (14) on holder sidewall, the rear and front end of supporting bracket is respectively arranged with anti-stopping materials strip and departs from material strip guide groove and the fixture block connecting supported on both sides plate, is provided with the thin film separation sheet (12) being separated material strip and film in the middle part of the supporting bracket between two fixture blocks.
8. feeding of chip mounter device according to claim 7, is characterized in that: the rear end of described material strip pressing plate is connected on holder by rag iron spring (81).
9. the feeding of chip mounter device according to any one of claim 1 to 8, it is characterized in that: described holder offers the groove (16) installing packaging film feeding mechanism and material strip feed mechanism, the holder upper side frame place of respective slot (16) is provided with the open slot (17) complying with film.
10. feeding of chip mounter device according to claim 9, is characterized in that: the upper front end of described holder (1) is provided with the flat position (18) of installing material strip pressing plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520360453.5U CN204634174U (en) | 2015-05-30 | 2015-05-30 | Feeding of chip mounter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520360453.5U CN204634174U (en) | 2015-05-30 | 2015-05-30 | Feeding of chip mounter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204634174U true CN204634174U (en) | 2015-09-09 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520360453.5U Active CN204634174U (en) | 2015-05-30 | 2015-05-30 | Feeding of chip mounter device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104853537A (en) * | 2015-05-30 | 2015-08-19 | 长沙常衡机电设备有限公司 | Feeding device of chip mounter |
| CN110642055A (en) * | 2019-09-27 | 2020-01-03 | 深圳市洋浦科技有限公司 | Origin calibration structure of material belt equipment and implementation method thereof |
| CN110958777A (en) * | 2019-12-20 | 2020-04-03 | 东莞市欧珀精密电子有限公司 | Clamping device for PCB (printed circuit board) patch |
-
2015
- 2015-05-30 CN CN201520360453.5U patent/CN204634174U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104853537A (en) * | 2015-05-30 | 2015-08-19 | 长沙常衡机电设备有限公司 | Feeding device of chip mounter |
| CN104853537B (en) * | 2015-05-30 | 2018-01-19 | 湖南常衡机电有限公司 | Feeding of chip mounter device |
| CN110642055A (en) * | 2019-09-27 | 2020-01-03 | 深圳市洋浦科技有限公司 | Origin calibration structure of material belt equipment and implementation method thereof |
| CN110642055B (en) * | 2019-09-27 | 2021-04-30 | 深圳市洋浦科技有限公司 | Origin calibration structure of material belt equipment and implementation method thereof |
| CN110958777A (en) * | 2019-12-20 | 2020-04-03 | 东莞市欧珀精密电子有限公司 | Clamping device for PCB (printed circuit board) patch |
| CN110958777B (en) * | 2019-12-20 | 2021-03-05 | 东莞市欧珀精密电子有限公司 | Clamping device for PCB (printed circuit board) patch |
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Address after: 410006 Hunan province city Changsha Datuo town of Tianxin District environmental protection road and road intersection southwest corner of punch holder Longsheng high-tech electronics industry base standard factory building 15 Room 502 Patentee after: Hunan avdp electromechanical Co Ltd Address before: 410006, No. 199, environmental protection West Road, Tianxin District, Hunan, Changsha Patentee before: The avoirdupois mechanical & electronic equipment corporation, Ltd in Changsha |