CN204302196U - LED visual inspection machine - Google Patents
LED visual inspection machine Download PDFInfo
- Publication number
- CN204302196U CN204302196U CN201420764339.4U CN201420764339U CN204302196U CN 204302196 U CN204302196 U CN 204302196U CN 201420764339 U CN201420764339 U CN 201420764339U CN 204302196 U CN204302196 U CN 204302196U
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- cut
- feeding unit
- visual inspection
- led
- inspection machine
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Abstract
LED visual inspection machine described in the utility model, comprises the feeding unit driving LED semi-finished product material Tape movement; For the CCD detecting unit of LED semi-finished product Quality Detection; After feeding unit feed direction is located at feeding unit, what cut LED semi-finished product material strip cuts unit; For controlling the controller of above-mentioned parts collaborative work; CCD detecting unit has four, is arranged in order along feeding unit feed direction, and CCD detecting unit comprises camera, and camera is positioned at above feeding unit; Feeding unit, cut unit and camera is electrically connected with controller respectively.It has saving product, cuts the waste, and detection speed is fast, and accuracy rate, reliability are high, saves the advantages such as human cost.
Description
Technical field
The utility model relates to a kind of LED visual inspection machine for detecting LED semi-finished product quality.
Background technology
The half-finished appearance detecting method of existing LED, first LED semi-finished product material strip is cut in flakes by specific length, every sheet comprises some row, microscope is manually used to carry out visual inspection to every flake products again, detect often arrange whether inner LED chip have dirty, scratch, foreign matter, and whether LED semi-finished product plastic cement has scarce material, stain, dirty, many material, scuffing, foreign matter, if all there is no above-mentioned defect, then this flake products is qualified, as long as otherwise wherein defectiveness on a row product, then namely this flake products is all scrapped.
There is shortcomings in said method: detect and need cut in advance, once there be a row LED defective, namely full wafer product is scrapped, and waste is serious; Testing staff needs every day with microscopic examination 8 hours, affects personnel's eyesight, very easily causes people's kopiopia; Manual detection speed is slow, and detection efficiency is low, and required testing staff's quantity is large; Poor reliability, false dismissal probability is large, easily causes quality customer complaint.
Utility model content
The utility model provides a kind of LED visual inspection machine for these reasons, to solving the defect that above-mentioned detection method exists.
Described LED visual inspection machine, comprises the feeding unit driving LED semi-finished product material Tape movement;
For the CCD detecting unit of LED semi-finished product Quality Detection;
After feeding unit feed direction is located at feeding unit, what cut LED semi-finished product material strip cuts unit;
For controlling the controller of above-mentioned parts collaborative work;
CCD detecting unit has four, is arranged in order along feeding unit feed direction, and CCD detecting unit comprises camera, and camera is positioned at above feeding unit;
Feeding unit, cut unit and camera is electrically connected with controller respectively.
Described CCD detecting unit also comprises adjusting rod, height adjusting blocks, Level tune block, angle-regulating block and connecting plate, adjusting rod is arranged with height adjusting blocks, height adjusting blocks has axis simultaneously perpendicular to the through hole of feeding unit feed direction and adjusting rod length direction, Level tune block is movably equipped with in through hole, Level tune block is hinged with angle-regulating block, angle-regulating block is connected with connecting plate, connecting plate is fixedly connected with camera and annular light source, annular light source, centered by camera lens, is positioned at below camera lens.
In described four the CCD detecting units be arranged in order along feeding unit feed direction, latter two outer cover light source shielding cover.
Described feeding unit comprises single shaft driver, servomotor, contact pin cylinder and pilot pin; Described single shaft driver power shaft is joined by shaft coupling and servo motor shaft, the slide block of described single shaft driver is fixed with contact pin cylinder, the extension of contact pin cylinder piston rod is connected with the pilot pin matched with LED semi-finished product material strip side trepanning, and the contact pin cylinder piston rod direction of motion is perpendicular to single shaft driver slide block movement direction;
Single shaft driver both sides are also provided with material strip track along single shaft driver slide block movement direction, and material strip track upper surface position is higher than pilot pin end position during contact pin cylinder piston rod retracted mode;
Described servomotor, contact pin cylinder are all electrically connected with controller.
The slide block of described single shaft driver is also provided with photoelectric sensor, and photoelectric sensor is electrically connected with controller.
The described unit that cuts comprises and cuts cylinder, cuts punch die and die holder, and die holder punch die feeding mouth height is consistent with material strip orbit altitude;
Cut cylinder piston rod and cut punch die die shank and be connected, drive and cut punch die and vertically move, cut punch die and die holder matches;
The described cylinder that cuts is electrically connected with controller.
The described unit that cuts also comprises lower shaft, linkage and upper and lower die-cut axle, described gas cuts cylinder piston rod and is connected with upper lower shaft, upper lower shaft is connected with linkage, and linkage is connected with upper and lower die-cut axle, upper and lower die-cut axle with cut punch die die shank and be connected;
Described upper lower shaft and upper and lower die-cut axle are all placed in its linear bearing vertically moved of constraint.
Described die holder is also provided with one perpendicular to the through slot in single shaft driver slide block movement direction, below through slot, is provided with waste material box.
Described LED visual inspection machine also comprises material frame, before being located at feeding unit along feeding unit feed direction.
Described LED visual inspection machine also comprises display, and display is electrically connected with controller.
The LED visual inspection machine that the utility model provides, LED semi-finished product material strip is placed on feeding unit, move forward, the first two in CCD detecting unit for detect whether inner LED chip have dirty, scratch, foreign matter, latter two is for detecting on LED semi-finished product plastic cement whether have scarce material, stain, dirty, many material, scuffing, foreign matter, controller controls to cut unit action according to testing result, as defective row do not detected, then cut in flakes by specific length, if any defective row, then these row are cut.This LED visual inspection machine has saving product, cuts the waste, and detection speed is fast, and accuracy rate, reliability are high, saves the advantages such as human cost.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation
Fig. 2 is the utility model structural representation after removing light source shielding cover
Fig. 3 is CCD detecting unit structural representation
Fig. 4 is feeding unit structural representation
Fig. 5 is that feeding unit removes the internal structure schematic diagram after cutting punch die
Fig. 6 is A place enlarged drawing in Fig. 5
Fig. 7 cuts cellular construction schematic diagram
Fig. 8 cuts unit internal structure schematic diagram
In figure: 1.CCD detecting unit, 2. cut unit, 3. feeding unit, 4. adjusting rod, 5. height adjusting blocks, 6. Level tune block, 7. angle-regulating block, 8. connecting plate, 9. camera, 10. annular light source, 11. die holders, 12. linear bearings, 13. waste material boxes, 14. cut cylinder, lower shaft on 15., 16. linkages, about 17. die-cut axles, 18. cut punch die, 19. single shaft drivers, 20. material strip tracks, 21. shaft couplings, 22. servomotors, 23. photoelectric sensors, 24. contact pin cylinders, 25. pilot pins, 26. light source shielding covers, 27. material frames, 28. displays, 29.LED semi-finished product material strip, 30. trepannings
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated.
LED visual inspection machine described in the utility model, as shown in Figure 1, 2, comprises the feeding unit 3 driving the movement of LED semi-finished product material strip 29;
For the CCD detecting unit 1 of LED semi-finished product quality;
After feeding unit 3 feed direction is located at feeding unit 3, what cut LED semi-finished product material strip 29 cuts unit 2;
For controlling the controller of above-mentioned parts collaborative work;
CCD detecting unit 1 has four, and be arranged in order along feeding unit 3 feed direction, CCD detecting unit 1 comprises camera 9, and camera 9 is positioned at above feeding unit 3;
Feeding unit 3, cut unit 2 and camera 9 is electrically connected with controller respectively.
The operation principle of this LED visual inspection machine is: under control of the controller, LED semi-finished product material strip 29 placed on it is fed forward movement by feeding unit 3, CCD detecting unit 1 is taken pictures, the first two CCD detecting unit 1 for detect whether inner LED chip has dirty, scratch, foreign matter, latter two CCD detecting unit 1 is for detecting on LED semi-finished product plastic cement whether have scarce material, stain, dirty, many material, scratch, foreign matter, and result is delivered to controller, judge that whether product is qualified according to the black and white difference detecting position, according to testing result, controller controls to cut unit 2 action, as defective row do not detected, then cutting unit 2 cuts in flakes by specific length by LED semi-finished product material strip 29, as defective row detected, then cut unit 2 these row are cut.
Further, as shown in Figure 3, described CCD detecting unit 1 also comprises adjusting rod 4, height adjusting blocks 5, Level tune block 6, angle-regulating block 7 and connecting plate 8, adjusting rod 4 is arranged with height adjusting blocks 5, height adjusting blocks 5 has axis simultaneously perpendicular to the through hole of feeding unit 3 feed direction and adjusting rod 4 length direction, Level tune block 6 is movably equipped with in through hole, Level tune block 6 is hinged with angle-regulating block 7, angle-regulating block 7 is connected with connecting plate 8, connecting plate 8 is fixedly connected with camera 9 and annular light source 10, annular light source 10 is centered by camera 9 camera lens, be positioned at below camera 9 camera lens.Like this can according to actual conditions, regulate the position of camera in CCD detecting unit 1 in real time, can meet detection needs, annular light source 10 can be taken pictures for camera 9 and be provided light source.
In described four the CCD detecting units 1 be arranged in order along feeding unit 3 feed direction, latter two outer cover light source shielding cover 26.
Preferably, as shown in Figure 4,5, described feeding unit 3 comprises single shaft driver 19, servomotor 22, contact pin cylinder 24 and pilot pin 25; Described single shaft driver 19 power shaft is joined by shaft coupling 21 and servomotor 22 axle, the slide block of described single shaft driver 19 is fixed with contact pin cylinder 24, the extension of contact pin cylinder 24 piston rod is connected with the pilot pin 25 matched with LED semi-finished product material strip 29 side trepanning 30, and contact pin cylinder 24 piston rod movement direction is perpendicular to single shaft driver slide block movement direction;
Single shaft driver 19 both sides are also provided with material strip track 20 along single shaft driver slide block movement direction, and material strip track 20 upper surface position is higher than pilot pin 25 end position during contact pin cylinder 24 piston rod retracted mode;
Described servomotor 22, contact pin cylinder 24 are all electrically connected with controller.
During work, controller controls the action of contact pin cylinder 24, by pilot pin 25 jack-up, make it to be inserted in LED semi-finished product material strip 29 side trepanning 30, now LED semi-finished product material strip 29 side is positioned on the material strip track 20 of single shaft driver slide block both sides, controller controls servomotor 22 again and drives single shaft driver 19 action, drives LED semi-finished product material strip 29 to move along slide block movement direction, so that follow-up CCD detecting unit 1 is to its detection of taking pictures; After single shaft driver 19 drives LED semi-finished product material strip 29 to move a certain distance, controller controls the action of contact pin cylinder 24, pilot pin 25 regained, pilot pin 25 departs from LED semi-finished product material strip 29 side trepanning 30, and controller controls single shaft driver 19 slide block and does return motion.Above-mentioned actuation cycle is carried out.
Further, coordinate accuracy rate in order to what ensure pilot pin 25 and LED semi-finished product material strip 29 side trepanning 30, the slide block of described single shaft driver 19 is also provided with the photoelectric sensor 23 detected for position, photoelectric sensor 23 is electrically connected with controller.
Preferably, as shown in Figure 7,8, described in cut unit 2 and comprise and cut cylinder 14, cut punch die 18 and die holder 11, die holder punch die feeding mouth height is highly consistent with material strip track 20;
Cut cylinder 14 piston rod and cut punch die 18 die shank and be connected, drive and cut punch die 18 and vertically move, cut punch die 18 and match with die holder 11;
The described cylinder 14 that cuts is electrically connected with controller.
Feeding unit 3 is constantly by LED semi-finished product material strip 29 pushed forward; part after CCD detecting unit 1 detects just can be pushed to cutting unit 2; controller cuts unit 2 action according to testing result operation; LED semi-finished product material strip 29 cuts in flakes by length according to the rules; or defective row are cut; cut product in blocks to be pushed away by the follow-up LED semi-finished product material strip 29 moved forward and cut unit 2; after defective row cut; controller can control this LED visual inspection machine stopping alarm; after manually by defective row, it is taken away, then resume work.
Further, the described unit 2 that cuts also comprises lower shaft 15, linkage 16 and upper and lower die-cut axle 17, described gas cuts cylinder 14 piston rod and is connected with upper lower shaft 15, upper lower shaft 15 is connected with linkage 16, linkage 16 is connected with upper and lower die-cut axle 17, upper and lower die-cut axle 17 with cut punch die 18 die shank and be connected;
Described upper lower shaft 15 and upper and lower die-cut axle 17 are all placed in its linear bearing 12 vertically moved of constraint.
Described die holder 11 is also provided with one perpendicular to the through slot in single shaft driver slide block movement direction, waste material box 13 is provided with below through slot, LED semi-finished product material strip 29 cropped in blocks while, also can go out identifying hole thereon, punched scrap falls into waste material box 13 from through slot.
Further, described LED visual inspection machine also comprises material frame 27, before being located at feeding unit 3 along feeding unit 3 feed direction.Material frame 27 is for mounting the LED semi-finished product material strip 29 of whole dish.
Described LED visual inspection machine also comprises display 28, and display 28 is electrically connected with controller.Above-mentioned CCD detecting unit 1 testing result can be presented at display 28, more intuitively.
It is pointed out that this LED visual inspection machine is under the control of the controller, each parts carry out work in order, but controller controls process does not belong to the utility model innovative point place, therefore are no longer described in detail.
Above section Example of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (10)
1. a LED visual inspection machine, is characterized in that: comprise the feeding unit (3) driving material strip (29) movement of LED semi-finished product;
For the CCD detecting unit (1) of LED semi-finished product Quality Detection;
After feeding unit (3) feed direction is located at feeding unit (3), what cut LED semi-finished product material strip (29) cuts unit (2);
For controlling the controller of above-mentioned parts collaborative work;
CCD detecting unit (1) has four, is arranged in order along feeding unit (3) feed direction, and CCD detecting unit (1) comprises camera (9), and camera (9) is positioned at feeding unit (3) top;
Feeding unit (3), cut unit (2) and camera (9) is electrically connected with controller respectively.
2. LED visual inspection machine according to claim 1, it is characterized in that: described CCD detecting unit (1) also comprises adjusting rod (4), height adjusting blocks (5), Level tune block (6), angle-regulating block (7) and connecting plate (8), adjusting rod (4) is arranged with height adjusting blocks (5), height adjusting blocks (5) has axis simultaneously perpendicular to the through hole of feeding unit (3) feed direction and adjusting rod (4) length direction, Level tune block (6) is movably equipped with in through hole, Level tune block (6) is hinged with angle-regulating block (7), angle-regulating block (7) is connected with connecting plate (8), connecting plate (8) is fixedly connected with camera (9) and annular light source (10), annular light source (10) is centered by camera (9) camera lens, be positioned at below camera (9) camera lens.
3. LED visual inspection machine according to claim 1 and 2, is characterized in that: in described four the CCD detecting units (1) be arranged in order along feeding unit (3) feed direction, latter two outer cover light source shielding cover (26).
4. LED visual inspection machine according to claim 1, is characterized in that: described feeding unit (3) comprises single shaft driver (19), servomotor (22), contact pin cylinder (24) and pilot pin (25); Described single shaft driver (19) power shaft is joined by shaft coupling (21) and servomotor (22) axle, the slide block of described single shaft driver (19) is fixed with contact pin cylinder (24), the extension of contact pin cylinder (24) piston rod is connected with the pilot pin (25) matched with LED semi-finished product material strip (29) side trepanning (30), and contact pin cylinder (24) piston rod movement direction is perpendicular to single shaft driver slide block movement direction;
Single shaft driver (19) both sides are also provided with material strip track (20) along single shaft driver slide block movement direction, and material strip track (20) upper surface position is higher than pilot pin (25) end position during contact pin cylinder (24) piston rod retracted mode;
Described servomotor (22), contact pin cylinder (24) are all electrically connected with controller.
5. LED visual inspection machine according to claim 4, is characterized in that: the slide block of described single shaft driver (19) is also provided with photoelectric sensor (23), and photoelectric sensor (23) is electrically connected with controller.
6. LED visual inspection machine according to claim 4, it is characterized in that: described in cut unit (2) and comprise and cut cylinder (14), cut punch die (18) and die holder (11), die holder punch die feeding mouth height is highly consistent with material strip track (20);
Cut cylinder (14) piston rod and cut punch die (18) die shank and be connected, drive and cut punch die (18) and vertically move, cut punch die (18) and match with die holder (11);
The described cylinder (14) that cuts is electrically connected with controller.
7. LED visual inspection machine according to claim 6, it is characterized in that: described in cut unit (2) and also comprise lower shaft (15), linkage (16) and upper and lower die-cut axle (17), described cylinder (14) piston rod that cuts is connected with upper lower shaft (15), upper lower shaft (15) is connected with linkage (16), linkage (16) is connected with upper and lower die-cut axle (17), upper and lower die-cut axle (17) with cut punch die (18) die shank and be connected;
Described upper lower shaft (15) and upper and lower die-cut axle (17) are all placed in its linear bearing vertically moved (12) of constraint.
8. LED visual inspection machine according to claim 6, is characterized in that: described die holder (11) is also provided with one perpendicular to the through slot in single shaft driver slide block movement direction, is provided with waste material box (13) below through slot.
9. LED visual inspection machine according to claim 1, is characterized in that: described LED visual inspection machine also comprises material frame (27), before being located at feeding unit (3) along feeding unit (3) feed direction.
10. LED visual inspection machine according to claim 1, is characterized in that: described LED visual inspection machine also comprises display (28), and display (28) is electrically connected with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420764339.4U CN204302196U (en) | 2014-12-05 | 2014-12-05 | LED visual inspection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420764339.4U CN204302196U (en) | 2014-12-05 | 2014-12-05 | LED visual inspection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204302196U true CN204302196U (en) | 2015-04-29 |
Family
ID=53107727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420764339.4U Withdrawn - After Issue CN204302196U (en) | 2014-12-05 | 2014-12-05 | LED visual inspection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204302196U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483328A (en) * | 2014-12-05 | 2015-04-01 | 华兆鼎泰科技（天津）有限公司 | Led appearance detection machine |
| CN110014470A (en) * | 2019-05-08 | 2019-07-16 | 东莞市长峰自动化科技有限公司 | CCD detects stock-cutter |
-
2014
- 2014-12-05 CN CN201420764339.4U patent/CN204302196U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483328A (en) * | 2014-12-05 | 2015-04-01 | 华兆鼎泰科技（天津）有限公司 | Led appearance detection machine |
| CN104483328B (en) * | 2014-12-05 | 2016-09-28 | 华兆鼎泰科技（天津）有限公司 | LED visual inspection machine |
| CN110014470A (en) * | 2019-05-08 | 2019-07-16 | 东莞市长峰自动化科技有限公司 | CCD detects stock-cutter |
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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: 20150429 Effective date of abandoning: 20160928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |