CN201984131U - LED (Light-Emitting Diode) polarity-detecting device - Google Patents
LED (Light-Emitting Diode) polarity-detecting device Download PDFInfo
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- CN201984131U CN201984131U CN 201120029308 CN201120029308U CN201984131U CN 201984131 U CN201984131 U CN 201984131U CN 201120029308 CN201120029308 CN 201120029308 CN 201120029308 U CN201120029308 U CN 201120029308U CN 201984131 U CN201984131 U CN 201984131U
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Abstract
The utility model relates to an LED (Light-Emitting Diode) polarity-detecting device, which comprises a worktable, wherein a vibrating disk, linear oscillators and a conveying track are arranged on the worktable, the conveying track is arranged on the linear oscillators and connected with the vibrating disk, a blanking opening is drilled at one side of the conveying track, the front end of the blanking opening is provided with a sensor, and a linked polarity-detecting head is arranged below the front end of the blanking opening; and a controller is arranged below the worktable, and a first cylinder, a second cylinder, the detecting head and the sensor are all connected with the controller. Through the LED polarity-detecting device, the polarity detection and the high screening efficiency of an LED can be fully automatically and simultaneously realized; and through the LED polarity-detecting device, complicated working procedures, such as shaping, LED reversing, secondary detection and the like are reasonably removed, the detecting speed is increased, and the production cost of equipment is lowered. The LED polarity-detecting device has the advantages of reasonable and compact structure, low production cost, convenience in use and simpleness in maintenance and is suitable for being popularized and applied.
Description
Technical field
The utility model relates to the electronic component detection range, especially a kind of LED polarity pick-up unit.
Background technology
Along with science and technology development, the every industrial machine equipment of China also progressively moves towards robotization.The electrode of electronic original part all has both positive and negative polarity mostly on the market, and the lamp base of LED partly has the branch of both positive and negative polarity, when the inserter plug-in unit, if the lamp base polarity of LED is opposite, will cause printed panel to use.The polarity pick-up unit of present most of LED all can only detect the polarity position, but the opposite polarity LED in the streamline can not be screened, and is unfavorable for follow-up plug-in unit operation use, and these device structure complexity, and the cost height is safeguarded inconvenient.
Chinese patent application, application number is CN201010138040.4, disclosed a kind of bulk light-emitting diode (LED) feeder comprises material folding pusher, material folding body, reshaping device, the first polarity testing agency, reverse mechanism, the second polarity testing agency, downslide guide rail mechanism and feeding erect-position mechanism.Its detection is to rely on two to detect slide plates and clamp LED, allows then detect the lamp base part that the detector probe that voltage difference is arranged on the slide plate is touched LED from the side, if two probes have electric current to pass through, the polarity that LED be described is right, can be transported to the next process use.Detect because probe is a side direction, can only side direction clamp LED so detect slide plate.After detecting waste product, the detection slide plate can only be displaced sideways and open, allow LED fall.Like this, just need to drive and detect the mechanism that slide plate is displaced sideways, in addition, also need LED is delivered to the material folding assembly that detects slide plate from delivery track, so this discharged way is too complicated, cost height, poor reliability.
Because the contact area of probe is less relatively, so probe is difficult to guarantee contact with lamp base exactly, it is bad to detect effect, the false drop rate height; In addition, whether electric current is arranged by arriving that the corresponding instrument of needs is just seen, so this detection mode is not directly perceived.In order to increase the accuracy that probe contacts with lamp base, also established a reshaping device in this application, the lamp base of LED is carried out the straightening shaping by two pressing plates, so just increased the parts of entire machine, the production cost height, maintenance is inconvenient.In addition, because lamp base is made of metal, certain elasticity is arranged, under the compacting of short time, can not guarantee lamp base shaping success very, will impact follow-up detection like this, false drop rate can increase, and result of use is bad.And compacting can only be proofreaied and correct a direction, and the bipod orientation can't be proofreaied and correct, so the insertion rate is lower.
If do not have electric current to pass through between two probes, can there be two kinds of possibilities, the one, the polarity of this LED is not right, and the 2nd, this LED is a waste product.So documents turns to the LED that does not measure electric current after detecting for the first time by steering mechanism, deliver to the second polarity testing agency again and detect once more.After the commutation, the second polarity testing agency does not also measure electric current, and explanation is a waste product, and at this moment, two detect slide plate opens, and LED falls from blanking port, does not enter next process.Because reverse mechanism complex structure, part are many, have just caused the high phenomenon of cost.In addition, adopt this mode, the material folding assembly need pick up LED, front and back need be walked five stations altogether, and its process action is loaded down with trivial details, and the mechanism that is associated is too many, there is sub-fraction to go wrong slightly and will causes whole detection to carry out, and too complicated, be not easy to produce and safeguard.
Summary of the invention
The utility model will solve the shortcoming of above-mentioned prior art, provides that a kind of detection is effective, detection efficiency is high, cost is low, and is convenient to produce the LED polarity pick-up unit of maintenance, has satisfied the demand of automated production.
The utility model solves the technical scheme that its technical matters adopts: this LED polarity pick-up unit, comprise worktable, worktable is provided with vibrating disk, the straight line oscillator, delivery track, delivery track is located on the straight line oscillator and with vibrating disk and is connected, one side of delivery track has blanking port, be provided with first cylinder by blanking port one side on the worktable, the piston rod of first cylinder is provided with portable plate, this portable plate and blanking port coincide and peg graft, and the blanking port front end is provided with sensor, and this sensor top is provided with can block the baffle plate that moves on the LED, the sensor below is provided with second cylinder, and the piston rod of second cylinder is provided with the detection head that can detect LED polarity; Worktable has controller, and first cylinder, second cylinder, detection head, sensor all are connected with controller.Like this, vibrating disk, straight line oscillator, delivery track, sensor, detection head and each cylinder thereof move by the instruction that controller sends, and finish conveying, detection, the screening process of LED.Detection head of the present utility model is to stretch up with lamp base from the below to contact, and adopts this mode to detect, and the LED that polarity is not right just can be from the side blanking of delivery track.Adopt this mode blanking, improve a little as long as will have delivery track now, be about to wherein one section delivery track make movable, again according to detected situation, by the switching at the movable place of controller control guide rail, blanking accurately just.This mode, cost is low, and blanking is reliable, and is easy to maintenance, and result of use is good.
Further, be provided with receiver under the blanking port.Can conveniently collect the LED that drops from blanking port like this.The straight line oscillator has two, is located at the two ends of delivery track respectively.The conveying that can make LED so more at the uniform velocity, steadily.Baffle plate is a U type baffle plate.Be convenient to like this keep the LED position, make LED be difficult for double swerve.Detection head comprises insulation crust, is provided with two separate metalworks in the insulation crust, and described metalwork is provided with the jack of the LED lamp base that is used to peg graft, and the jack front end is a bellmouth.Bellmouth is convenient to insert in the hole when LED pin distance has error equally, simultaneously with two foot distance from proofreading and correct, be convenient to later process and insert in the circuit board.During use, metalwork is connected with power supply, when the bipod polarity of LED was correct, LED can be luminous.This detection mode is more directly perceived, and bellmouth can guarantee that lamp base accurately contacts with metalwork, does not need reshaping device, also can not have flase drop, and its detection is effective, and production cost is low.Two metalwork ends are outward extended with installation end, and this installation end has helicitic texture, and the insulation crust between described two installation ends is provided with boss.Helicitic texture is convenient to connect the copper sheet of power electrode, and boss can prevent two electric pole short circuits, further improves the performance of detection head.
The effect that the utility model is useful is: of the present utility model rational in infrastructure, compact, by closely cooperating of vibrating disk, straight line oscillator, delivery track, blanking port, portable plate, sensor, detection head and each cylinder, LED is screened from blanking port from the blanking port front-end detection polarity on the delivery track by the vibrating disk arrangement again, realizes that the polarity detection of LED is automatically carried out simultaneously with screening is high efficiency; The utility model has reasonably been removed loaded down with trivial details operations such as shaping, LED commutation, secondary detection, has not only improved detection speed, has also reduced the production cost of equipment simultaneously.The utility model detection efficiency height, structure is comparatively simple, and part is also comparatively common, and production cost is low, and is easy to use, safeguards simply, is fit to apply.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of delivery track left side apparent time in the utility model;
Structural representation when Fig. 3 overlooks for delivery track in the utility model;
Structural representation when Fig. 4 analyses and observe for detection head in the utility model;
Fig. 5 is the synoptic diagram when detection head is worked in the utility model.
Description of reference numerals: worktable 1, vibrating disk 2, delivery track 3, blanking port 4, first cylinder 5, portable plate 6, the second cylinders 7, detection head 8, baffle plate 9, controller 10, receiver 11, insulation crust 12, boss 12-1, metalwork 13, jack 13-1, bellmouth 13-2, installation end 13-3, straight line oscillator 14, sensor 15, LED16.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
With reference to accompanying drawing: this polarity pick-up unit in the present embodiment, comprise worktable 1, worktable 1 is provided with vibrating disk 2, straight line oscillator 14, delivery track 3, delivery track 3 is located on the straight line oscillator 14 and with vibrating disk 2 and is connected, one side of delivery track 3 has blanking port 4, be provided with first cylinder 5 by blanking port 4 one sides on the worktable 1, the piston rod of first cylinder 5 is provided with portable plate 6, this portable plate 6 coincide with blanking port 4 and pegs graft, the piston rod that blanking port 4 front ends below is provided with second cylinder, 7, the second cylinders 7 is provided with detection head 8, and blanking port 4 front ends are provided with sensor 15, these sensor 15 tops are provided with can block the baffle plate 9 that moves on the LED, this baffle plate 9 is a U type baffle plate, and the piston rod that sensor 15 belows are provided with second cylinder, 7, the second cylinders 7 is provided with the detection head 8 that can detect LED polarity.Be provided with receiver 11 under the blanking port 4.Straight line oscillator 14 has two, is located at the two ends of delivery track 3 respectively.Detection head 8 comprises insulation crust 12, is provided with two separate metalworks 13 in the insulation crust 12, and metalwork 13 is provided with the jack 13-1 of the LED lamp base that is used to peg graft, and jack 13-1 front end is bellmouth 13-2.Two metalworks, 13 ends are outward extended with installation end 13-3, and this installation end 13-3 has helicitic texture, and the insulation crust 12 between the described two installation end 13-3 is provided with boss 12-1.Worktable 1 has controller 10, and described first cylinder 5, second cylinder 7, detection head 8, sensor 15 all are connected with controller 10.Controller 10 is used for the action that whole each parts of flow process are controlled in robotization, and the circuit design in it is relatively more conventional, is those skilled in the art's common practise, does not do too much description at this.
During use, after the 2 nonpolarity arrangements of LED16 process vibrating disc, by straight line oscillator 14, LED16 is delivered to detection head 8 tops, and when sensor 15 detected LED16, the piston rod of first cylinder 5 protruded upward, LED16 top is blocked and is remained in the baffle plate 9 by baffle plate 9, the bipod of LED16 inserts in the jack of detection head 8, and when polarity met the requirements, LED16 was bright, there is electric current to flow through between the two poles of the earth, second cylinder 7 is motionless, and 5 withdrawals of first cylinder allow LED16 pass through; If the pole reversal or damaged, LED16 does not work, no current flows through between the two poles of the earth, then the piston rod of second cylinder 7 contraction drive portable plate 6 is stepped back, 5 withdrawals of first cylinder, LED16 just falls into 11 li of following receivers, and second cylinder 7 returns original state again then, like this can be with the undesirable LED exclude filter of polarity.
The utility model has reasonably reduced loaded down with trivial details operations such as shaping, LED commutation, secondary detection, not only improved detection speed, also reduced simultaneously the production cost of equipment, the utility model can 100% screens non-luminous LED, effectively avoid LED that damage or opposite polarity to enter next process, influence quality.The utility model is easy to use, safeguards simply, is fit to apply.
Though the utility model illustrates and describes by the reference preferred embodiment,, those skilled in the art should understand, and in the scope of claims, can do the various variation on form and the details.
Claims (6)
1. LED polarity pick-up unit, comprise worktable (1), described worktable (1) is provided with vibrating disk (2), straight line oscillator (14), delivery track (3), described delivery track (3) is located at straight line oscillator (14) and upward and with vibrating disk (2) is connected, it is characterized in that: a side of described delivery track (3) has blanking port (4), described worktable (1) is gone up by blanking port (4) one sides and is provided with first cylinder (5), the piston rod of first cylinder (5) is provided with portable plate (6), this portable plate (6) coincide with blanking port (4) and pegs graft, described blanking port (4) front end is provided with sensor (15), this sensor (15) top is provided with can block the baffle plate (9) that moves on the LED, sensor (15) below is provided with second cylinder (7), and the piston rod of second cylinder (7) is provided with the detection head (8) that can detect LED polarity; Described worktable (1) has controller (10), and described first cylinder (5), second cylinder (7), detection head (8), sensor (15) all are connected with controller (10).
2. polarity pick-up unit according to claim 1 is characterized in that: be provided with receiver (11) under the described blanking port (4).
3. polarity pick-up unit according to claim 1 is characterized in that: described straight line oscillator (14) has two, is located at the two ends of delivery track (3) respectively.
4. polarity pick-up unit according to claim 1 is characterized in that: described baffle plate (9) is a U type baffle plate.
5. polarity pick-up unit according to claim 1, it is characterized in that: described detection head (8) comprises insulation crust (12), be provided with two separate metalworks (13) in the insulation crust (12), described metalwork (13) is provided with the jack (13-1) of the LED lamp base that is used to peg graft, and jack (13-1) upper end is bellmouth (13-2).
6. polarity pick-up unit according to claim 5, it is characterized in that: described two metalworks (13) lower end is outward extended with installation end (13-3), this installation end (13-3) has helicitic texture, and the insulation crust (12) between described two installation ends (13-3) is provided with boss (12-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120029308 CN201984131U (en) | 2011-01-28 | 2011-01-28 | LED (Light-Emitting Diode) polarity-detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120029308 CN201984131U (en) | 2011-01-28 | 2011-01-28 | LED (Light-Emitting Diode) polarity-detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201984131U true CN201984131U (en) | 2011-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120029308 Expired - Lifetime CN201984131U (en) | 2011-01-28 | 2011-01-28 | LED (Light-Emitting Diode) polarity-detecting device |
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| Country | Link |
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| CN (1) | CN201984131U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103178A (en) * | 2011-01-28 | 2011-06-22 | 浙江机电职业技术学院 | LED (Light Emitting Diode) polarity detecting device |
| CN105460559A (en) * | 2016-01-07 | 2016-04-06 | 深圳市圣天达自动化科技有限公司 | High-precision intelligent screening mechanism for LED pins |
| CN105527588A (en) * | 2016-01-16 | 2016-04-27 | 深圳市圣天达自动化科技有限公司 | A detection device capable of screening LED lamps intelligently |
-
2011
- 2011-01-28 CN CN 201120029308 patent/CN201984131U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103178A (en) * | 2011-01-28 | 2011-06-22 | 浙江机电职业技术学院 | LED (Light Emitting Diode) polarity detecting device |
| CN105460559A (en) * | 2016-01-07 | 2016-04-06 | 深圳市圣天达自动化科技有限公司 | High-precision intelligent screening mechanism for LED pins |
| CN105460559B (en) * | 2016-01-07 | 2018-11-23 | 深圳市圣天达自动化科技有限公司 | A kind of high-precision LED pin intelligent screening mechanism |
| CN105527588A (en) * | 2016-01-16 | 2016-04-27 | 深圳市圣天达自动化科技有限公司 | A detection device capable of screening LED lamps intelligently |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110921 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |