CN103945681A - LED component inserter feeding device - Google Patents
LED component inserter feeding device Download PDFInfo
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- CN103945681A CN103945681A CN201410138157.0A CN201410138157A CN103945681A CN 103945681 A CN103945681 A CN 103945681A CN 201410138157 A CN201410138157 A CN 201410138157A CN 103945681 A CN103945681 A CN 103945681A
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Abstract
The invention provides an LED component inserter feeding device which comprises a feeding positioning unit, a polarity detecting unit and a posture adjusting unit. The feeding positioning unit comprises two movable opposite stopping rods and is used for positioning an LED at a feed port. The polarity detecting unit comprises a pin positioning part and two electrode testing parts, wherein the pin positioning part and the electrode testing parts move oppositely so that the LED positioned by the feeding positioning unit can be clamped and borne. The polarity of the LED at the current posture is detected by the polarity detecting unit through the two electrode testing parts. The pin positioning part and the two electrode testing parts of the polarity detecting unit are arranged on the posture adjusting unit. When the polarity of the LED at the current posture is opposite to the polarity of the LED at the preset standard posture, the posture adjusting unit adjusts the position of the pin positioning part and the positions of the two electrode testing parts so that the posture of the LED can be converted into the standard posture. When the LED component inserter feeding device moves from a linear material vibration platform to a conveying chain clamp, the polarity and the quality of the LED can be detected, pins can be corrected, and the posture can be adjusted.
Description
Technical field
The present invention relates to electronic devices and components automatic assembly technique field, particularly a kind of LED inserter feeding device, it can be by once clamping, fast, efficiently carry out the material loading of LED automatism card machine.
Background technology
Along with the aggravation of China's aging, the recruitment famine emerging every year emerges in an endless stream, and cost of human resources has become an important spending of company, has further compressed made in China profit.Thus for the promotion and application of robot provide chance and space, the space of LED display market development is at present huge, and because its fancy price allows, domestic a lot of middle-size and small-size LED display manufacturer is difficult to accept the inserter of global production.And for the research and development of LED inserter, numerous domestic enterprise, all also in the imitated stage, there is no competitive product.Research and develop a cheap, inserter that operating efficiency is high, will alleviate to a great extent a difficult problem for recruitment famine for enterprise, be also conducive to enterprise and reduce production costs, increase the benefit simultaneously.
Patent of invention CN102510717A discloses and a kind of LED has been inserted into the LED inserter on circuit board automatically, feed mechanism in this inserter by finger under 5 upper fingers, 4 altogether six stations realize LED from the transfer of material platform to transport tape of shaking, its only the detection of LED both positive and negative polarity just need 3 stations, realize respectively that forward powers up, attitude adjustment, oppositely power up.Because the upper and lower finger of this LED inserter is too much to LED clamping number of times in transmitting procedure, the stability of its material loading and efficiency will be all that this inserter is difficult to the bottleneck of breaking through.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of LED inserter feeding device, with by once clamping, fast, efficiently carry out the material loading of LED automatism card machine.
As one aspect of the present invention, a kind of LED inserter feeding device is provided, comprising: charging positioning unit, comprises activity and two pins that are oppositely arranged, for the LED at charging aperture place is positioned; Polarity detecting unit, comprise pin location division and two electrode test portions, pin location division and the relative motion of two electrode test portions, to clamp and to carry the LED that is fed positioning unit location, and polarity detecting unit detects the polarity of LED under current attitude by two electrode test portions; Attitude adjustment unit, the pin location division of polarity detecting unit and two electrode test portions are arranged on attitude adjustment unit; In the time that the polarity of LED under current attitude is contrary with polarity under predetermined standard attitude, attitude adjustment unit is adjusted the position of pin location division and two electrode test portions, so that LED turns to standard attitude.
Further, charging positioning unit also comprises: holder and two slide assemblies, abreast and can relatively move and be arranged on holder, two pins are separately positioned on two slide assemblies for two slide assemblies.
Further, charging positioning unit also comprises: elastic reset part, elastic reset part drives two slide assemblies mutually near also finally making two relative end butts of two pins to realize the location to LED.
Further, charging positioning unit and polarity detecting unit are realized mechanical linkage by link gear; At two pins, during in closure state, pin location division and two electrode test portions are in open mode; At two pins, during in open mode, pin location division and two electrode test portions are in closure state.
Further, link gear comprises two interlock push rods, and one end of two interlock push rods is arranged on respectively two slide assemblies, and the other end of two interlock push rods coordinates to realize interlock with pin location division or two electrode test portion butts of its opposite side respectively.
Further, institute's polarity detecting unit also comprises: the first driver element, clamping slide rail and two grip slides, pin location division is arranged on a grip slide, two electrode test portions are arranged on another grip slide, and two grip slides are arranged on actively and clamp on slide rail, and the first two of drive unit drives grip slide is along clamping slide rail relative motion.
Further, attitude adjustment unit comprises rotation platform and the second driver element for driving rotation platform to rotate, and polarity detecting unit is arranged on rotation platform.
Further, LED inserter feeding device also comprises mobile carrier unit, attitude adjustment unit is arranged on mobile carrier unit, and mobile carrier unit moves by the feed entrance point near charging positioning unit attitude adjustment unit to the discharging position away from charging positioning unit.
Further, LED inserter feeding device also comprises control unit, and control unit comprises: primary importance detecting unit, for send first signal during in feed entrance point at mobile carrier unit; Second place detecting unit, for sending secondary signal during in discharging position at mobile carrier unit; The 3rd position detection unit, for sending the 3rd signal during in closed condition at polarity detecting unit; The 4th position detection unit, for sending the 4th signal during in open mode at polarity detecting unit; The 5th position detection unit, for sending the 5th signal in the time that predetermined prime is adjusted position at mobile carrier unit; The 6th position detection unit, for sending the 6th signal in the time that predetermined second is adjusted position at mobile carrier unit; H bridge circuit, comprises four inputs and two outputs, and wherein, two relative inputs are electrically connected with primary importance detecting unit, and another two relative inputs are electrically connected with primary importance detecting unit by reverser; Two outputs are connected with two electrode test portions respectively; Logic control circuit, be electrically connected with two outputs, primary importance detecting unit, second place detecting unit, the 3rd position detection unit, the 4th position detection unit, the 5th position detection unit, the 6th position detection unit, for according to the action of output control polarity detecting unit, attitude adjustment unit and the mobile carrier unit of two outputs, primary importance detecting unit, second place detecting unit, the 3rd position detection unit, the 4th position detection unit, the 5th position detection unit, the 6th position detection unit.
Further, logic control circuit comprises: the first trigger, is electrically connected with primary importance detecting unit and second place detecting unit, for exporting the first control signal of controlling polarity detecting unit; The second trigger, is electrically connected with the 3rd position detection unit and the 4th position detection unit, for exporting the second control signal of controlling mobile carrier unit; The 3rd trigger, is electrically connected with two outputs of H bridge circuit, for exporting the 3rd control signal for showing LED attitude; The 4th trigger, is electrically connected with the 3rd position detection unit, the 4th position detection unit, the 5th position detection unit, the 6th position detection unit and the 3rd control signal, for exporting the 4th control signal of controlling attitude adjustment unit.
The present invention can, shaking material platform from straight line to the mobile process of chain folder, realize the detection of LED both positive and negative polarity and quality, the correction of pin and the adjustment of attitude, thus improve efficiency and the speed of plug-in unit, there is feature simple in structure, reliability is high.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the schematic diagram of charging positioning unit and polarity detecting unit;
Fig. 3 is the schematic diagram of polarity detecting unit;
Fig. 4 is the schematic diagram of attitude adjustment unit;
Fig. 5 is the hardware control circuit schematic diagram of control unit.
Reference numeral in figure: 10, charging positioning unit; 11, pin; 12, holder; 13, elastic reset part; 14, sliding panel; 15, straight-line guide rail slide block; 16, guide rail; 17, position limiting slide block; 18, pin fixed block; 19, LED pin gear pin; 20, polarity detecting unit; 21, pin location division; 22, electrode test portion; 23, the first driver element; 24, clamp slide rail; 25, grip slide; 26, clamp finger; 30, attitude adjustment unit; 31, rotation platform; 32, the second driver element; 40, interlock push rod; 50, mobile carrier unit; 51, the 3rd driver element; 52, reciprocating motion platform; 53, holder; 54, gripping guide vane end stop; 55, material loading guide vane end stop; 56, optical axis; 60, control unit; 61, primary importance detecting unit; 62, second place detecting unit; 63, the 3rd position detection unit; 64, the 4th position detection unit; 65, the 5th position detection unit; 66, the 6th position detection unit; 67, H bridge circuit; 68, reverser; 69, the first trigger; 70, the second trigger; 71, the 3rd trigger; 72, the 4th trigger; 73, the first solid-state relay; 74, the first electromagnetically operated valve; 75, the second solid-state relay; 76, the second electromagnetically operated valve; 77, the 3rd solid-state relay; 78, the 3rd electromagnetically operated valve; 80, LED; 100, the straight line material platform that shakes.
Embodiment
In order to solve technical problem of the prior art, the present invention proposes one can be a kind of by single step, in-line LED inserter feeding device, the pin of a LED of its clamping, the process moving to chain folder at the material platform that shakes from straight line, realize detection, the correction of pin and the adjustment of attitude of LED both positive and negative polarity and quality.
Please refer to Fig. 1 to Fig. 4, the invention provides a kind of LED inserter feeding device, comprising: charging positioning unit 10, comprises activity and two pins 11 that are oppositely arranged, for the LED at charging aperture place is positioned; Polarity detecting unit 20, comprise pin location division 21 and two electrode test portions 22, pin location division 21 and two electrode test portion 22 relative motions, be fed with clamping and carrying the LED that positioning unit 10 is located, and polarity detecting unit 20 detects the polarity of LED under current attitude by two electrode test portions 22; Attitude adjustment unit 30, the pin location division 21 of polarity detecting unit 20 and two electrode test portions 22 are arranged on attitude adjustment unit 30; In the time that the polarity of LED under current attitude is contrary with polarity under predetermined standard attitude, attitude adjustment unit 30 is adjusted the position of pin location division 21 and two electrode test portions 22, so that LED turns to standard attitude.
Preferably, pin location division 21 adopts the material non-conductive, hardness is softer, and has V-type projection on surface.When clamping, suitable guiding is carried out to LED in pin location division 21, under the effect of clamping force, LED pin is pressed in two electrode test portions 22, ensures that LED both positive and negative polarity contacts with the reliable of detecting electrode.
Please refer to Fig. 1, LED form a line by straight line shake material platform 100 right side move to the direction of charging positioning unit 10, when that LED of the leftmost side is during near charging positioning unit 10, two pins 11 of charging positioning unit 10 are in closed condition, i.e. two relative end butts of pin 11.Because pin 11 is in closed condition, therefore, by the LED location of this leftmost side.
After LED80 is had good positioning, the pin location division 21 of polarity detecting unit 20 and two electrode test portion 22 relative motions, be fed to clamp and to carry the LED that positioning unit 10 is located.Meanwhile, can utilize these two electrode test portions 22 to send test pulse to the LED that is held and carries, thereby test out the attitude of LED.For example, in the embodiment shown in fig. 1, LED forms a line and is shaken and expected that the bearing of trend of platform 100 moves from right to left by straight line, and two pins of these LED are also arranged by this direction, thereby form the attitude of so-called LED.Hold intelligiblely, for a LED, it has two kinds of attitudes, and under these two kinds of attitudes, the position of two pin is just the opposite.That is to say, under an attitude, two pin is by left-to-right positive pole, the negative pole of being respectively, and under another attitude, two pin is respectively negative pole and positive pole from left to right so.
In the process of plug-in unit material loading, LED need to be shaken and expected platform 100 by straight line with a certain specific attitude, move to chain folder upper, so that subsequent handling operation is called standard attitude by this certain specific attitude in this patent.Known according to above-mentioned analysis, to shake in the LED of material on platform 100 at straight line, the attitude of some LED is standard attitude at the very start, non-standard attitude also of the attitude of other LED.
In order to make the attitude of all LED80 in the time being transported on chain folder be standard attitude, the present invention has adopted attitude adjustment unit 30.This attitude adjustment unit 30 can, in the time the LED being clamped by polarity detecting unit 20 being detected in non-standard attitude, rotate to this LED the state at standard attitude place, thereby for subsequent handling.
Visible, the present invention can, shaking material platform from straight line to the mobile process of chain folder, realize the detection of LED both positive and negative polarity and quality, the correction of pin and the adjustment of attitude, thus improve efficiency and the speed of plug-in unit, there is feature simple in structure, reliability is high.
Preferably, please refer to Fig. 1 and Fig. 2, charging positioning unit 10 also comprises: holder 12 and two slide assemblies, abreast and can relatively move and be arranged on holder 12, two pins 11 are separately positioned on two slide assemblies for two slide assemblies.Please refer to Fig. 2, in one embodiment, slide assemblies comprises two sliding panels 14 and two straight-line guide rail slide blocks 15.Guide rail 16 is installed on holder 12, and straight-line guide rail slide block 15 is arranged on guide rail 16 actively, and a sliding panel 14 is all installed on each straight-line guide rail slide block 15, thereby forms two slide assemblies.
Preferably, in one embodiment, please refer to Fig. 2, charging positioning unit 10 also comprises two position limiting slide blocks 17 and two pin fixed blocks 18, two pins 11 are arranged on respectively on a pin fixed block 18, and each pin fixed block 18 is installed on a sliding panel 14 by a position limiting slide block 17 respectively.
Preferably, please refer to Fig. 1 and 2, charging positioning unit 10 also comprises: elastic reset part 13, elastic reset part 13 drives two slide assemblies mutually near also finally making two relative end butts of two pins 11 to realize the location to LED.Under the effect of elastic reset part 13, can make two slide assemblies from mutually away from separated position, be returned to close state mutually, and finally make two pins 11 be returned to closed condition.In the time that pin 11 is returned to closed condition, two slide assemblies stop motions due to the butt of two relative ends of two pins 11.
Preferably, charging positioning unit 10 also comprises LED pin gear pin 19, and its relative sliding assembly arranges regularly, positions for the pin to LED80.Especially, LED pin gear pin 19 can be arranged on a pin fixed block 18.For example, LED pin gear pin 19 can arrange alternately with pin 11, thereby makes LED80 in plumbness.
Preferably, please refer to Fig. 2, charging positioning unit 10 and polarity detecting unit 20 are realized mechanical linkage by link gear; At two pins 11, during in closure state, pin location division 21 and two electrode test portions 22 are in open mode; At two pins 11, during in open mode, pin location division 21 and two electrode test portions 22 are in closure state.
Preferably, please refer to Fig. 2, link gear comprises that one end of 40, two interlock push rods 40 of two interlock push rods is arranged on respectively two slide assemblies, and the other end of two interlock push rods 40 coordinates to realize interlock with pin location division 21 or two electrode test portion 22 butts of its opposite side respectively.For example, the interlock push rod 40 that is arranged in Fig. 2 left side coordinates with the electrode test portion 22 that is positioned at right side, and the interlock push rod 40 that is positioned at right side coordinates with that electrode test portion 22 that is positioned at left side, thereby realizes oppositely interlock.
Preferably, please refer to Fig. 2 and 3, polarity detecting unit 20 also comprises: the first driver element 23, clamping slide rail 24 and two grip slides 25, pin location division 21 is arranged on a grip slide 25, two electrode test portions 22 are arranged on another grip slide 25, and two grip slides 25 are arranged on actively and clamp on slide rail 24, the first driver element 23 drives two grip slides 25 along clamping slide rail 24 relative motions.Preferably, please refer to Fig. 2 and 3, the middle part of pin location division 21 forms the fin of vertical direction, and, two pins of LED80 lay respectively at the both sides of this fin, so make to realize location, more can be convenient to the test of pin polarity when the location.Preferably, the first driver element 23 can be cylinder or oil cylinder etc.
Preferably, please refer to Fig. 1 and 3, attitude adjustment unit 30 comprises rotation platform 31 and for driving the second driver element 32 of rotation platform rotation, polarity detecting unit 20 is arranged on rotation platform 31.For example, the second driver element 32 can be cylinder or oil cylinder etc.
Preferably, polarity detecting unit 20 also comprises: two clamp finger 26, and pin location division 21 clamps finger 26 by one and is arranged on a grip slide 25, and electrode test portion 22 is arranged on another grip slide 25 by another clamping finger 26.Especially, on clamping slide rail 24, be formed with chute, two these L shaped grip slides 25 are arranged in this chute.
Please refer to Fig. 3, the first driver element 23 is arranged on rotation platform 31, and 24 of slide rails of clamping are arranged on the top of the first driver element 23.Like this, in the time that rotation platform 31 rotates, correspondingly, clamping slide rail 24, pin location division 21 and 22, electrode test portion mounted thereto synchronously rotate in company with rotation platform 31, thereby have realized the attitude adjustment to LED.
Preferably, please refer to Fig. 4, LED inserter feeding device also comprises mobile carrier unit 50, attitude adjustment unit 30 is arranged on mobile carrier unit 50, and mobile carrier unit 50 moves by the feed entrance point near charging positioning unit 10 attitude adjustment unit 30 to the discharging position away from charging positioning unit 10.
Please refer to Fig. 1 and Fig. 4, in one embodiment, mobile carrier unit 50 can comprise the 3rd driver element 51 and reciprocating motion platform 52, and attitude adjustment unit 30 is provided with on reciprocating motion platform 52.For example, the 3rd driver element 51 can be cylinder or oil cylinder etc.Obviously, mobile carrier unit 50 also can adopt other forms of structure.Therefore, in the time that the 3rd driver element 51 drives reciprocating motion platform 52 to move, will drive attitude adjustment unit 30 and polarity detecting unit 20 on it to move back and forth, thereby the LED being clamped on polarity detecting unit 20 is expected to a side of platform 100 from shaking near straight line, move to the side near chain folder, so that the use of follow-up operation.
Please refer to Fig. 1 and Fig. 4, in one embodiment, the 3rd driver element 51 is arranged on holder 53, on the motion path of reciprocating motion platform 52, be respectively arranged with gripping guide vane end stop 54 and material loading guide vane end stop 55, wherein, gripping guide vane end stop 54 is arranged on the side near charging positioning unit 10, and in the time that 52 motions of reciprocating motion platform arrive the position of gripping guide vane end stops 54, polarity detecting unit 20 can carry out clamping to LED and the action of detection; Material loading guide vane end stop 55 is positioned at the side near chain folder, in the time that 52 motions of reciprocating motion platform arrive the position of folder material loading guide vane end stop 55, shows, the LED of clamping on polarity detecting unit 20 can be transferred on chain folder.
Preferably, reciprocating motion platform 52 inside are provided with two pairs of linear bearings, form rolling moving sets respectively with two optical axises 56.
Preferably, please refer to Fig. 5, LED inserter feeding device also comprises control unit 60, and control unit 60 comprises: primary importance detecting unit 61, for send first signal during in feed entrance point at mobile carrier unit 50, second place detecting unit 62, for sending secondary signal during in discharging position at mobile carrier unit 50, the 3rd position detection unit 63, for sending the 3rd signal during in closed condition at polarity detecting unit 20, the 4th position detection unit 64, for sending the 4th signal during in open mode at polarity detecting unit 20, the 5th position detection unit 65, for sending the 5th signal in the time that predetermined prime is adjusted position at mobile carrier unit 50, the 6th position detection unit 66, for sending the 6th signal in the time that predetermined second is adjusted position at mobile carrier unit 50, H bridge circuit 67, comprises four inputs and two outputs, and wherein, two relative inputs are electrically connected with primary importance detecting unit 61, and another two relative inputs are electrically connected with primary importance detecting unit 61 by reverser 68, two outputs are connected with two electrode test portions 22 respectively, logic control circuit, with two outputs, primary importance detecting unit 61, second place detecting unit 62, the 3rd position detection unit 63, the 4th position detection unit 64, the 5th position detection unit 65, the 6th position detection unit 66 is electrically connected, be used for according to two outputs, primary importance detecting unit 61, second place detecting unit 62, the 3rd position detection unit 63, the 4th position detection unit 64, the 5th position detection unit 65, the output control polarity detecting unit 20 of the 6th position detection unit 66, the action of attitude adjustment unit 30 and mobile carrier unit 50.
Two electrode test portions 22 are connected with H bridge circuit 67 by wire respectively, the voltage that moment adds two different directions to clamped LED under the effect of positive negative pulse stuffing in motion process, the both positive and negative polarity of detection LED.
Like this, by control unit 60, can make to complete after the attitude of LED (polarity) detection, reciprocating motion platform 52 is moved to the direction of material loading guide vane end stop 55 by the position of gripping guide vane end stop 54.When polarity detecting unit 20 leaves behind the position of gripping guide vane end stop 54, interlock push rod 40 loses stopping of polarity detecting unit 20, thereby under the effect of elastic reset part 13, two pins 11 of charging positioning unit 10 are returned to closed condition.
In the time that reciprocating motion platform 52 arrives the 5th position detection unit 65, if the attitude of LED is not standard attitude, attitude adjustment unit 30 rotates (for example, Rotate 180 degree), thereby the LED80 of clamping on polarity detecting unit 20 is adjusted to standard attitude from current attitude, otherwise do not rotate.Then, reciprocating motion platform 52 continues the direction motion to material loading guide vane end stop 55, until touch with material loading guide vane end stop 55.
After the direction motion of material loading guide vane end stop 55 is removed, reciprocating motion platform 52 is to the direction motion of gripping guide vane end stop 54.In this process, in the time that 52 motions of reciprocating motion platform arrive the 6th position detection unit 66, if the attitude of LED is not standard attitude, attitude adjustment unit 30 (for example rotates, Rotate 180 degree), thus polarity detecting unit is rotated to initial condition, otherwise do not rotate.Then, reciprocating motion platform 52 continues the direction motion to gripping guide vane end stop 54, until touch with gripping guide vane end stop 54.
After touching with gripping guide vane end stop 54, attitude adjustment unit 30 carries out holding action, so, the pin of charging positioning unit 10 11 is become to open mode by closed condition.
So circulation, just can carry out operation continuously.
Preferably, logic control circuit comprises: the first trigger 69, is electrically connected with primary importance detecting unit 61 and second place detecting unit 62, for exporting the first control signal of controlling polarity detecting unit 20; The second trigger 70, is electrically connected with the 3rd position detection unit 63 and the 4th position detection unit 64, for exporting the second control signal of controlling mobile carrier unit 50; The 3rd trigger 71, is electrically connected with two output T1 and the T2 of H bridge circuit 67, for exporting the 3rd control signal for showing LED attitude; The 4th trigger 72, is electrically connected with the 3rd position detection unit 63, the 4th position detection unit 64, the 5th position detection unit 65, the 6th position detection unit 66 and the 3rd control signal, for exporting the 4th control signal of controlling attitude adjustment unit 30.
Especially, the first trigger 69, the second trigger 70, the 3rd trigger 71 and the 4th trigger 72 are rest-set flip-flop.Preferably, the first driver element in the present invention, the second driver element, the 3rd driver element all can be magnetic air cylinder, thereby correspondingly the first to the 6th position detection unit all can be magnetic switch.
For example, the two ends of the first driver element can be separately installed with the 3rd position detection unit 63 and the 4th position detection unit 64, the two ends of the 3rd driver element can be separately installed with primary importance detecting unit 61 and second place detecting unit 62, in the middle of the path of reciprocating motion platform motion, the 5th position detection unit 65 and the 6th position detection unit 66 can be installed respectively.
In the time that reciprocating motion platform 52 moves to chain folder (material loading guide vane end stop) position, the secondary signal that second place detecting unit 62 is exported becomes low level.Now, if can material loading (from outside Cmd signal (being equivalent to enable signal)) be low level, the Q of the first trigger be set to 0 so, the first solid-state relay 73 conductings, thereby wrap electricity to the line of the first electromagnetically operated valve 74, drive the first driver element to open, LED is unclamped.
After the first driver element opens, the 4th signal that the 4th position detection unit 64 is exported becomes low level, makes the second trigger 70 put 1, thereby by the 3rd solid-state relay 77, make electricity under the line bag of the 3rd electromagnetically operated valve 78, drive the 3rd driver element to the straight line material platform motion of shaking.
Further, the first signal that the primary importance detecting unit 61 of the second driver element is exported also, as the input signal of the testing circuit of LED both positive and negative polarity, is connected with two electrode test portions 22 in polarity detecting unit respectively by these two lead-out terminals of T1 and T2 in the H bridge circuit 67 being made up of four positive-negative-positive triodes.
In the time that LED clamps, the first signal that primary importance detecting unit 61 is exported is low level, and now T2 is high level, and T1 is low level, is communicated with the voltage of a negative sense between two electrode test portions 22.When the clamping signal (the 3rd signal) of the first driver element drives after the 3rd driver element motion, first signal becomes high level, and now T2 is low level, and T1 is high level, between two electrode test portions 22, is communicated with the voltage of a forward.
So, the both positive and negative polarity of LED towards situation (being attitude) in this process by the 3rd trigger 71 records, and the attitude signal using the output set of the 3rd trigger 71 as LED, the 6th signal that the 5th signal that this attitude signal is exported with the 5th position detection unit 65 again and the 6th position detection unit 66 are exported holds R to be connected with the 1 end S that puts of the 4th trigger 72 with setting to 0 by logical circuit, thereby change the state of output pin Q, this output is amplified rear drive the second electromagnetically operated valve 76 by the second solid-state relay 75 again, thereby control the second driver element, adjust the attitude of LED.
The present invention by magnetic air cylinder as power source, trigger source by the cylinder sensor detection signal of a upper operation as subsequent processing, utilize the pure hardware circuit such as trigger and solid-state relay to realize the seamless connection between operation, novel, hardware circuit Control System Design is ingenious, has greatly improved efficiency and the speed of plug-in unit.
Compared with prior art, beneficial effect of the present invention is: the present invention, in feeding process, only clamps once LED pin, greatly reduces and damages LED pin appearance probability of state, improves the reliability of material loading; And realize detection and the attitude adjustment to both positive and negative polarity material platform that LED is shaken from straight line is transferred to the process of chain folder, and rationally utilize the time, improve the efficiency of material loading; Adopt the mode of pure hardware circuit to drive the action of feeding device, eliminate and detect the expense of IO mouth signal to industrial computer cpu resource, and reduce the reaction time, improved the efficiency of feeding device, reduced the cost of inserter, for large-scale application provides basic solution simultaneously.
Claims (10)
1. a LED inserter feeding device, is characterized in that, comprising:
Charging positioning unit (10), comprises activity and two pins (11) that are oppositely arranged, for the LED at charging aperture place is positioned;
Polarity detecting unit (20), comprise pin location division (21) and two electrode test portions (22), described pin location division (21) and two electrode test portions (22) relative motion, the LED being located by described charging positioning unit (10) with clamping and carrying, and described polarity detecting unit (20) detects the polarity of described LED under current attitude by described two electrode test portions (22);
Attitude adjustment unit (30), the pin location division (21) of described polarity detecting unit (20) and two electrode test portions (22) are arranged on described attitude adjustment unit (30); In the time that the polarity of described LED under described current attitude is contrary with polarity under predetermined standard attitude, described attitude adjustment unit (30) is adjusted the position of described pin location division (21) and two electrode test portions (22), so that described LED turns to described standard attitude.
2. LED inserter feeding device according to claim 1, it is characterized in that, described charging positioning unit (10) also comprises: holder (12) and two slide assemblies, abreast and can relatively move that to be arranged on described holder (12) upper, described two pins (11) are separately positioned on described two slide assemblies described two slide assemblies.
3. LED inserter feeding device according to claim 2, it is characterized in that, described charging positioning unit (10) also comprises: elastic reset part (13), described elastic reset part (13) drives described two slide assemblies mutually near also finally making two relative end butts of described two pins (11) to realize the location to described LED.
4. LED inserter feeding device according to claim 2, is characterized in that, described charging positioning unit (10) and polarity detecting unit (20) are realized mechanical linkage by link gear; At described two pins (11), during in closure state, described pin location division (21) and two electrode test portions (22) are in open mode; At described two pins (11), during in open mode, described pin location division (21) and two electrode test portions (22) are in closure state.
5. LED inserter feeding device according to claim 4, it is characterized in that, described link gear comprises two interlock push rods (40), one end of described two interlock push rods (40) is arranged on respectively described two slide assemblies, and the other end of described two interlock push rods (40) coordinates to realize described interlock with described pin location division (21) or described two electrode test portions (22) butt of its opposite side respectively.
6. LED inserter feeding device according to claim 1, it is characterized in that, institute's polarity detecting unit (20) also comprises: the first driver element (23), clamp slide rail (24) and two grip slides (25), described pin location division (21) is arranged on a described grip slide (25), described two electrode test portions (22) are arranged on described in another on grip slide (25), and described two grip slides (25) are arranged on described clamping slide rail (24) actively, described the first driver element (23) drives described two grip slides (25) along described clamping slide rail (24) relative motion.
7. LED inserter feeding device according to claim 1, it is characterized in that, described attitude adjustment unit (30) comprises rotation platform (31) and for driving second driver element (32) of described rotation platform rotation, described polarity detecting unit (20) is arranged on described rotation platform (31).
8. LED inserter feeding device according to claim 1, it is characterized in that, described LED inserter feeding device also comprises mobile carrier unit (50), it is upper that described attitude adjustment unit (30) is arranged on described mobile carrier unit (50), described mobile carrier unit (50) by described attitude adjustment unit (30) by the feed entrance point near charging positioning unit (10) to moving away from the discharging position of described charging positioning unit (10).
9. LED inserter feeding device according to claim 8, is characterized in that, described LED inserter feeding device also comprises control unit (60), and described control unit (60) comprising:
Primary importance detecting unit (61), for sending first signal during in described feed entrance point at described mobile carrier unit (50);
Second place detecting unit (62), for sending secondary signal during in described discharging position at described mobile carrier unit (50);
The 3rd position detection unit (63), for sending the 3rd signal during in closed condition at described polarity detecting unit (20);
The 4th position detection unit (64), for sending the 4th signal during in open mode at described polarity detecting unit (20);
The 5th position detection unit (65), for sending the 5th signal in the time that predetermined prime is adjusted position at described mobile carrier unit (50);
The 6th position detection unit (66), for sending the 6th signal in the time that predetermined second is adjusted position at described mobile carrier unit (50);
H bridge circuit (67), comprise four inputs and two outputs, wherein, two relative described inputs are electrically connected with described primary importance detecting unit (61), and another two relative described inputs are electrically connected with described primary importance detecting unit (61) by reverser (68); Described two outputs are connected with described two electrode test portions (22) respectively;
Logic control circuit, with described two outputs, described primary importance detecting unit (61), second place detecting unit (62), the 3rd position detection unit (63), the 4th position detection unit (64), the 5th position detection unit (65), the 6th position detection unit (66) electrical connection, be used for according to described two outputs, described primary importance detecting unit (61), second place detecting unit (62), the 3rd position detection unit (63), the 4th position detection unit (64), the 5th position detection unit (65), described polarity detecting unit (20) is controlled in the output of the 6th position detection unit (66), the action of described attitude adjustment unit (30) and described mobile carrier unit (50).
10. LED inserter feeding device according to claim 9, is characterized in that, described logic control circuit comprises:
The first trigger (69), is electrically connected with described primary importance detecting unit (61) and described second place detecting unit (62), for exporting the first control signal of controlling described polarity detecting unit (20);
The second trigger (70), is electrically connected with described the 3rd position detection unit (63) and described the 4th position detection unit (64), for exporting the second control signal of controlling described mobile carrier unit (50);
The 3rd trigger (71), is electrically connected with two outputs of described H bridge circuit (67), for exporting the 3rd control signal for showing LED attitude;
The 4th trigger (72), be electrically connected with described the 3rd position detection unit (63), described the 4th position detection unit (64), the 5th position detection unit (65), described the 6th position detection unit (66) and described the 3rd control signal, for exporting the 4th control signal of controlling described attitude adjustment unit (30).
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