KR101910914B1 - Apparatus for sorting led module bar - Google Patents

Abstract

The present invention relates to an LED module bar sorting apparatus capable of automating the inspection and sorting of a plurality of LED module bars separated from a substrate for an LED module. The LED module bar sorting apparatus according to the present invention comprises: An LED module bar sorting apparatus for inspecting and sorting a plurality of LED module bars including a plurality of LED packages and a plurality of lenses coupled to the substrate so as to cover the LED packages, An optical inspection unit that simultaneously inspects the module bar to generate inspection information including a lens position on the substrate; A sorting unit for picking up a plurality of LED module bars inspected in the optical inspection unit and sorting the picked up plurality of LED module bars into trays according to classification information based on the inspection information; An empty tray loading portion on which an empty tray is loaded; A tray / bar conveying picker portion for picking up an empty tray from the empty tray loading portion and supplying the empty tray to the sorting portion; And a good tray discharging unit for receiving a tray on which the good LED module bar is loaded from the sorting unit and discharging the tray to the outside.

Description

[0001] APPARATUS FOR SORTING LED MODULE BAR [0002]

The present invention relates to an LED module bar manufacturing apparatus, and more particularly, to an apparatus capable of inspecting and sorting a plurality of LED module bars separated from a substrate for an LED module.

Generally, a light emitting diode (hereinafter referred to as "LED") that converts an electrical signal into light by utilizing the characteristics of a compound semiconductor has a longer lifetime, a lower driving voltage, and lower power consumption than other light emitting diodes And has advantages of being excellent in response speed and impact resistance as well as being small and light in weight. Such an LED is widely used as a light source of illumination and a backlight unit of a liquid crystal display device as well as being used as a light source of a portable electronic device such as a mobile phone. For example, in the backlight unit, an LED module bar in which a plurality of LEDs are mounted in a line on the surface of a bar-shaped circuit board is widely used. The LED module bar is manufactured separately from the substrate for the LED module.

1 is a perspective view schematically showing a substrate for an LED module.

1, a general LED module substrate 1 includes a frame frame 10, a plurality of LED module bars 20 arranged at regular intervals in the frame frame 10, a frame frame 10, And a connecting portion 30 for connecting the LED module bar 20 of FIG.

First, the substrate 1 for an LED module is a single printed circuit board, which includes a plurality of LED module forming parts spaced apart from each other by a predetermined slit, a plurality of LED module forming parts connected to each other, And a connecting portion (30) connecting the front end and the rear end of each of the forming portions to the frame frame (10). In each of the plurality of LED module forming parts, an LED package and a lens are mounted by an LED module manufacturing process, so that the substrate for LED module 1 includes a plurality of LED module bars 20. [

The frame frame 10 is formed in a rectangular shape to cover a plurality of LED module bars 20.

Each of the plurality of LED module bars 20 is disposed inside the frame 10 so as to be spaced apart from each other by a predetermined distance along the longitudinal direction of the frame frame 10. Each of the plurality of LED module bars 20 is mounted with a plurality of LED packages (not shown) electrically connected in series or parallel and a plurality of lenses 22 covering each of the plurality of LED packages.

The connecting portion 30 includes a plurality of front and rear ends bridges 32 and 34, and a plurality of side bridges 36.

Each of the plurality of shear bridges 32 connects the front end portion of the frame frame 10 and the front end portion of each of the plurality of LED module bars 20 so that the front end portion of each of the plurality of LED module bars 20 is connected to the frame frame 10, As shown in Fig.

Each of the plurality of rear end bridges 34 connects the rear end portion of the frame frame 10 and the rear end portion of each of the plurality of LED module bars 20 so that the rear end of each of the plurality of LED module bars 20 is connected to the frame frame 10, As shown in FIG.

Each of the plurality of side bridges 36 is formed to have a predetermined distance to connect the side surfaces of the plurality of LED module bars 20 to each other and to connect the LED module bars 20 adjacent to the sides of the frame 10, So that the LED module bars 20 are separated from each other by a predetermined distance.

Each of the plurality of LED module bars 20 is separated from the LED module substrate 1 and used as a light source. At this time, the process of separating each of the plurality of LED module bars 20 from the LED module substrate 1 may be performed in a substrate cutting device (or a routing device).

2, a conventional substrate cutting apparatus includes a routing bit 50 mounted on a spindle motor (not shown) to insert a bit into a spacing space between LED module bars 20 The connecting part 30 is cut by moving the routing bit 50 to separate each of the plurality of LED module bars 20 from the substrate 1 for the LED module.

In the above-described conventional substrate cutting apparatus, since the connecting portion 30 is cut using the routing bit 50, a lot of machining residue is scattered during cutting, and the scattered machining residue is scattered in the lens 22 and the LED package It can penetrate and cause defective LED package.

Therefore, it is possible to automatically classify the good LED module bar and the bad LED module bar according to the inspection and inspection results of the plurality of LED module bars 20 separated from the LED module substrate 1 by the conventional substrate cutting device Devices are required.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an LED module bar sorting apparatus capable of automating inspection and sorting of a plurality of LED module bars separated from a substrate for an LED module.

According to an aspect of the present invention, there is provided an LED module bar sorting apparatus including a plurality of LED packages mounted at regular intervals on a substrate, and a plurality of LEDs coupled to the substrate to cover the LED packages, An optical inspection unit that receives the plurality of LED module bars and simultaneously inspects the plurality of LED module bars to generate inspection information including a lens position on the substrate; A sorting unit for picking up a plurality of LED module bars inspected in the optical inspection unit and sorting the picked up plurality of LED module bars into trays according to classification information based on the inspection information; An empty tray loading portion on which an empty tray is loaded; A tray / bar conveying picker portion for picking up an empty tray from the empty tray loading portion and supplying the empty tray to the sorting portion; And a good tray discharging unit for receiving a tray on which the good LED module bar is loaded from the sorting unit and discharging the tray to the outside.

Wherein the inspection information includes a lens position on the substrate and whether or not the lens is tilted.

The optical inspection unit may generate inspection information for each of the front, first and second long sides of each of the plurality of LED module bars.

Wherein the optical inspection unit includes an inspection frame including a plurality of rotation bars for supporting the plurality of LED module bars, respectively; A module bar rotating module that rotates the plurality of rotating bars such that the front, first and second long sides of each of the plurality of LED module bars face upward; Frame transfer means for linearly moving the inspection frame; And a plurality of optical inspection units for imaging a plurality of LED module bars moved in the linear motion of the inspection frame to generate inspection information for each of the plurality of LED module bars.

And a plurality of LED module bars are disposed in an inspection area of each of the plurality of optical inspection units.

And the classifying unit classifies the good LED module bar and the bad LED module bar in the plurality of LED module bars according to the classification information based on the inspection information, and stacks them on different trays.

The plurality of LED module bars are divided into first and second groups, and the sorting unit classifies the first group of LED module bars and the second group of LED module bars into one pair.

Wherein the sorting portion includes at least one good article loading portion on which a good article tray for loading a good article LED module bar is seated; A reclassification loading section on which a recycling tray for loading the defective LED module bar and the good LED module bar is seated; A module classification picker for picking up a plurality of LED module bars at the optical inspection unit at the same time and sorting the plurality of picked up LED module bars into the good product storage unit and the reclassification storage unit according to the classification information; And a good-quality tray pick-up unit for picking up a good-quality tray on which the good-quality LED module bars are all stacked in the good-quality mounting unit and supplying the picked-up tray to the good tray discharging unit.

The good tray transfer picker unit picks up the good-quality tray from the good-quality stacking unit, vertically picks up the picked-up good tray, and transfers the picked-up good tray to the good tray discharging unit.

And the good tray discharging portion rotates the direction of the good tray supplied from the good tray transporting picker portion horizontally by 90 degrees and discharges it to the outside.

In order to accomplish the above object, according to the present invention, there is provided an LED module bar sorting apparatus comprising: a dump tray stacking unit for stacking a plurality of dummy goody trays on which only good quality LED module bars reclassified in the reclassification storing unit are stacked; And a defective article loading unit in which only a defective LED module bar is loaded and a plurality of reclosing trays which are seated in the reclassification loading unit are stacked, wherein the tray / bar conveying picker unit is mounted on the reclassification mounting unit The good LED module bar is picked up from the reclassification tray, loaded on the empty good-quality tray, picked up from the reclassification tray, and loaded on the defective-part loading unit.

According to another aspect of the present invention, there is provided an LED module bar sorting apparatus, comprising: a defective article loading unit including a plurality of defective article trays on which only defective LED module bars reclassified in the reclassification storing unit are stacked; And a dump tray loading section in which only a good LED module bar is stacked and a plurality of reclosing trays which are seated on the reclassification holding section are stacked, wherein the tray / bar conveying picker section is seated on the reclosing mounting section The faulty LED module bar is picked up from the tray for reclassification, the tray is picked up on the reject tray, picked up on the reclassification tray, and loaded on the tray.

Wherein the tray / bar conveying picker unit detects a first direction or a second direction different from the first direction of the tray, and detects the second direction different from the first direction based on the detected direction of the tray, and stacks up and down in each of the defective- In the first direction and the second direction.

According to a preferred embodiment of the present invention, the LED module bar sorting apparatus according to the present invention sequentially examines each of a front surface, a first long side, and a second long side of each of a plurality of LED module bars through an optical inspection unit to generate classification information, It is possible to automate inspection and classification of a plurality of LED module bars by dividing a plurality of LED module bars into good and defective products according to classification information and classifying them into different trays.

1 is a perspective view schematically showing a substrate for an LED module;
2 is a perspective view schematically showing a cutting method of the substrate for the LED module shown in FIG. 1;
3 is a plan view showing an LED module bar sorting apparatus according to an embodiment of the present invention;
4 is a plan perspective view showing an LED module bar sorting apparatus according to an embodiment of the present invention;
5 is a rear perspective view showing an LED module bar sorting apparatus according to an embodiment of the present invention;
FIG. 6 is a perspective view for explaining the optical inspection unit shown in FIGS. 3 to 5; FIG.
FIG. 7 is a plan view for explaining the first and second groups of LED module bars seated on the optical inspection unit shown in FIG. 6; FIG.
FIG. 8 is a side view showing the side surfaces of the first and second groups of LED module bars shown in FIG. 7; FIG.
FIG. 9 is a perspective view for explaining the module classification picker unit shown in FIGS. 3 to 5; FIG.
10 is an enlarged perspective view of part A shown in Fig. 9; Fig.
11 is a rear perspective view showing the module bar picker unit shown in Fig. 10; Fig.
FIG. 12 is a perspective view for explaining the tray pick-up unit shown in FIGS. 3 to 5; FIG.
13 is a view for explaining the tray picker module shown in FIG. 12;
FIG. 14 is a perspective view for explaining the tray / bar conveying picker unit shown in FIGS. 3 to 5; FIG.
15 is a view for explaining the tray / bar picker module shown in FIG. 14; And
FIG. 16 is a perspective view for explaining the tray for discharging a good article shown in FIGS. 3 to 5. FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 3 is a plan view showing an LED module bar sorting apparatus according to an embodiment of the present invention, FIG. 4 is a plan perspective view showing an LED module bar sorting apparatus according to an embodiment of the present invention, FIG. FIG. 3 is a rear perspective view showing the LED module bar sorting device according to the present invention.

3 to 5, the LED module bar sorting apparatus according to the embodiment of the present invention includes a base frame 100 and a plurality of LED module bars installed in the base frame 100 to receive a plurality of LED module bars from the outside, A classification unit 300 for classifying the good LED module bar and the defective LED module bar according to classification information according to the inspection result of the optical inspection unit 200 and loading the same on the tray T, A tray / bar conveying picker 500 for picking up empty trays from the empty tray stacking part 400 and supplying the empty tray to the sorting part 300, And a good tray discharging unit 600 for receiving a tray on which the good LED module bar is loaded from the unit 300 and discharging the tray to the outside.

The plurality of LED module bars are picked up by a module bar picker module (not shown) in a substrate cutting device (see the related art) and supplied to the optical inspection part 200. At this time, the module bar picker module adjusts the interval between the picked-up plurality of LED module bars at a predetermined interval, and places the same on the optical inspection part 200. Here, the gap between the plurality of LED module bars supplied to the optical inspection unit 200 may have a constant interval. In this case, the area of the optical inspection unit 200 increases and the number of vision units that simultaneously inspect a plurality of LED module bars Can be increased. Accordingly, the module bar picker module adjusts the interval between the plurality of picked-up LED module bars at an interval set to minimize the area of the optical inspection unit 200 and the number of vision units. Here, the plurality of LED module bars may be divided into first and second groups on the basis of a half, and may be supplied to the optical inspection unit 200. Hereinafter, it is assumed that each of the first and second groups consists of eight LED modules.

The optical inspection unit 100 is installed on a first base plate 102 provided on one side of the base frame 100. The optical inspection unit 100 supports a plurality of LED module bars supplied from the module bar picker module and transmits the plurality of supported LED module bars simultaneously through a plurality of vision units, (Or the left side) and the second long side (or the right side) sequentially to generate inspection information for each of the plurality of LED module bars, and generates classification information for each of the plurality of LED module bars according to the inspection information do.

The classifying unit 300 is installed on a second base plate 104 provided at a rear end region of the base frame 100 so as to be adjacent to one side of the optical inspection unit 100. The classifying unit 300 picks up a plurality of tested LED module bars from the optical inspection unit 200, and classifies the plurality of picked-up LED module bars according to classification information, and loads the sorted LED module bars on a tray. The sorting unit 300 includes a module sorting picker 310, a first and a second good stacking units 320 and 330, a reclassing stacking unit 340, .

The module classification picker unit 310 is installed on the second base plate 104 so as to be transportable in the X-axis direction. The module classification picker unit 310 picks up a plurality of LED module bars inspected by the optical inspection unit 100 and detects a plurality of LED module bars picked up from the first and second good packaging units 320 and 330 according to classification information. And a reclassification loading unit 340. [

The first good product storing unit 320 is mounted on the second base plate 104 so as to be adjacent to the optical inspection unit 200 and loads the good quality LED module bars classified by the module classification picker unit 310. To this end, the first good article carrying portion 320 is configured to include a pair of table transfer guiders 321 and 322, a tray support table 323, a table transfer means 324, and a rotation motor 325.

The pair of table transfer guiders 321 and 322 are disposed on the second base plate 104 in parallel to each other in the Y axis direction to transferably support the tray support table 323.

The tray support table 323 is transportably installed on the pair of table transfer guiders 321 and 322 to support an empty tray supplied to the packer module unit 500. The tray support table 323 is provided with a tray aligning unit for aligning the position of the empty tray. The tray aligning unit aligns the position of the empty tray by sliding an empty tray seated in the tray supporting table 323 in the X and Y axis directions. Hereinafter, the empty tray supported by the tray supporting table 323 of the first good-material loading unit 320 will be referred to as an empty good-quality tray.

The table conveying means 324 is installed between the pair of table conveying guides 321 and 322 and is coupled to the lower portion of the tray supporting table 323. [ The table transfer means 324 may include a ball screw for linearly moving the tray support table 323 in the Y axis direction in accordance with the rotation motion of the rotation motor 325.

The rotary motor 325 rotates the table conveying means 324 so that the tray supporting table 323 linearly moves in the ± Y axis direction in accordance with the forward rotation and the reverse rotation of the table conveying means 324.

If the good LED module bars are all loaded on all the stacking areas of the empty good-quality tray in the first good-quality stacking unit 320 to become a full good-quality tray, And is conveyed to the good tray discharging unit 600. At this time, when the full good tray is picked up in the good tray transport picker portion 350 and raised to a predetermined height, the tray support table 323 of the first good warehousing portion 320 drives the rotation motor 325 To the empty tray loading part 400 in accordance with the rotation of the table feeding device 324 according to the rotation of the table feeding device 324 to return to the original position.

The second good product mounting part 330 is provided on the second base plate 104 so as to be in parallel with the first good mounting part 320 described above so that the good quality LED module bar classified by the module classified picker part 310 Load. The second good article carrying portion 330 includes a pair of table transfer guiders 321 and 322, a tray holding table 323, a table conveying means 324, And a rotation motor 325. Therefore, redundant description thereof will be omitted. Hereinafter, the empty tray supported on the tray supporting table 323 of the second good article loading section 330 will be defined as a blank good article tray.

When all the good LED module bars are stacked on all the stacking areas of the empty good-quality tray in the second good-quality stacking part 330 to form a full good-quality tray, the full good tray is placed on the good- Picked up and delivered to the good tray discharging unit 600. At this time, when the full good tray is picked up on the good tray transporting picker portion 350 and raised to a predetermined height, the tray support table 323 of the second good mounting portion 330 drives the rotation motor 325 To the empty tray loading part 400 in accordance with the rotation of the table feeding device 324 according to the rotation of the table feeding device 324 to return to the original position.

The reclassifying unit 340 is installed on the second base plate 104 so as to be in parallel with the second good goods receiving unit 330 and is paired for reclassing from the module classification picker unit 310 Load good LED module bar and bad LED module bar or load bad LED module bar. The reclassifying unit 340 includes a pair of table conveying guiders 321 and 322, a tray supporting table 323, a table conveying unit 324, And the rotation motor 325, so that redundant description thereof will be omitted. Hereinafter, an empty tray supported by the tray support table 323 of the reclassification unit 340 will be defined as an empty reclassification tray.

The good-quality tray transporting picker portion 350 is installed on the second base plate 104 so as to cross the first and second good-quality mounting portions 320 and 330 and the reclosing mounting portion 340. The good-quality tray transport picker portion 350 picks up a full-quality good-quality tray on which the good-quality LED module bar is loaded in each of the first and second good-quality mounting portions 320 and 330, To the discharge unit 400.

Specifically, the good-quality tray transport picker portion 350 picks up a full good-quality tray, elevates the picked-up full-quality good tray to a predetermined height, and then transports it to the good- Then, the picked-up full good tray is placed on the good tray discharging portion 400. Then, the good-quality tray transporting picker portion 350 is transferred to the first or second good-quality mounting portion 320 or 330 so as not to be disturbed by the conveyance of the module-classified picker portion 310.

In the above-described classifying unit 300, a plurality of LED module bars picked up by the module classification picker unit 310 are divided into first and second groups on the basis of half, The LED module bar and the LED module bar of the second group must be paired with each other in the good product loading part 320 or 330 or the reclassification loading part 340. That is, since the first group of LED module bars are connected to the external LED driving circuit and the second group of LED module bars are connected to the first group of LED module bars, A first group stacking area in which the LED module bars of the group are stacked and a second group stacking area in which the second group of LED module bars are stacked are provided. LED module bars of the same number must be loaded.

In the first sorting method of the classifying unit 300 according to the sorting information, if the first group of LED module bars and the second group of LED module bars are both good, the module classification picker unit 310 includes the first The LED module bars of the group and the LED module bars of the second group are stacked on the empty good goods tray in the first or second good load part 320 or 330. [

In the second classification method of the classifying unit 300 according to the classification information, if the first group of LED module bars and the second group of LED module bars are both defective LED modules, the module classification picker unit 310 The first group of LED module bars and the second group of LED module bars are loaded in an empty reclassification tray in the reclassification section 340. At this time, the empty reclosing tray is provided with a first group stacking area in which the first group of LED module bars are stacked and a second group stacking area in which the second group of LED module bars are stacked.

In the third classification method of the classifying unit 300 according to the classification information, if there is a defective LED module bar in the first group or the second group, the module classification picker unit 310 is paired with the defective LED module bar The good LED module bars are stacked on the empty reclassification tray in the reclassification unit 340 and the remaining good pair of good quality LED module bars are placed on the empty good tray 320 of the first or second good- .

As an example, if the first LED module bar of the first group is good and the first LED module bar of the second group is also good, the module classified picker unit 310 may be configured to move the first LED module bar of the first group The first group of LED modules of the second group is loaded in the first loading area of the second group of the empty good items tray while loading the first group of the first group in the first loading area.

As another example, when the second LED module bar of the first group is defective and the second LED module bar of the second group is also a defective product, the module classification picker unit 310 moves the second LED module bar of the first group to the empty reclassing tray The second group of second LED module bars are loaded in the second group second loading area of the empty reclassification tray.

As another example, if the third LED module bar of the first group is a defective product and the third LED module bar of the second group is a good product, the module classified picker section 310 may move the third LED module bar of the first group to the empty reclassing tray And the third group of LED module bars of the second group is loaded in the third group loading area of the second group of empty reclassing trays.

On the other hand, the module classification picker section 310 searches the vacant positions of the first and second group stacking areas provided in the good-quality tray without being mated as described above, However, in this case, it takes a long time to sort the LED module bars and the sorting efficiency may be lowered. However, when the plurality of LED module bars picked up on the module classification picker unit 310 have the same shape, it is not necessary to match each other as described above. Therefore, a good-quality LED module bar is simply placed in the empty space of the good- do. In this case, only the defective LED module bar is loaded on the empty reclassing tray.

The empty tray loading unit 400 is installed on a third base plate 106 provided in a front end region of the base frame 100 so as to be adjacent to one side of the optical inspection unit 100. The empty tray loading unit 400 includes first and second empty tray loading units 410 and 420 disposed in front of the first and second good loading units 320 and 330, respectively.

The first empty tray loading unit 410 is installed in front of the first good loading unit 320 so as to be able to move up and down between the pair of table transfer guiders 321 and 322 of the first good loading unit 320 . The first empty tray stacking portion 410 picks up the uppermost empty tray by raising and lowering the plurality of stacked empty trays one by one between the pair of table transfer guiders 321 and 322 And is supplied to the non-standard parts 320 and 330. At this time, a plurality of empty trays stacked on the first empty tray stacking unit 410 are stacked in a zigzag form. That is, when a plurality of empty trays are stacked in the same form, the trays between the trays are generated. To prevent this, the upper and lower trays are stacked in different directions.

The second empty tray loading part 420 is installed in front of the second good loading part 330 so as to be able to move up and down between the pair of table transfer guiders 321 and 322 of the second good loading part 330. The second empty tray stacking portion 420 lifts the plurality of stacked blank trays one by one between the pair of table transfer guiders 321 and 322 so that the tray / bar conveying picker portion 500 picks up the uppermost empty tray And is supplied to the non-standard parts 320 and 330. At this time, a plurality of empty trays stacked on the second empty tray stacking unit 420 are stacked in a zigzag form.

The tray / bar conveying picker unit 500 picks up empty trays from the first and second empty tray loading units 410 and 420 and transfers the picked empty tray to the tray supporting tables 320 and 330 of the non- 323). For example, the tray / bar conveying picker 500 picks up an empty tray from the first empty tray stacking unit 410, elevates the picked-up empty tray up to a predetermined height, The tray tray 323 is lowered to the tray holding table 323 of the first good loading unit 320. The tray holding table 323 of the first good loading unit 320 is lowered.

The good-quality tray discharging unit 600 receives the good-quality tray on which the good-quality LED module bar is loaded from the good-quality tray transporting picker unit 350 of the classifying unit 300, and discharges the good-

The LED module bar sorting apparatus according to the embodiment of the present invention sequentially examines each of the front surface, the first long side, and the second long side of each of the plurality of LED module bars through the optical inspection unit 200, And classifies the plurality of LED module bars, which have been inspected according to the classification information, through the classifying unit 300 into a good tray and a reclassification tray, and then discharges the good tray on which the good LED module bar is loaded to the outside . Accordingly, the LED module bar sorting apparatus according to the embodiment of the present invention can sort the LED module bar according to the inspection and inspection results of the plurality of LED module bars separated from the substrate 1 (see FIG. 1) Bar and bad LED module bar can be automatically classified.

The LED module bar sorting apparatus according to the embodiment of the present invention includes a dump tray loading unit 800, a dump tray loading unit 800, And a defective article loading unit 700.

The defective article loading unit 700 is installed in front of the reclassifying loading unit 340 so as to be able to move up and down between the pair of table transfer guiders 321 and 322 of the reclassifying loading unit 340 described above. The reject tray 700 supports the recycling tray picked up and supplied from the recycling tray 340 by the tray / bar conveying picker 500 and descends the supported reclosing tray one by one . That is, the reject tray 700 is stacked in a zigzag form so that the recloser trays picked up and supplied from the recloser stacker 340 are stacked, and the shakes do not occur between the trays. In this way, only the defective LED module bar is loaded on the reclassification tray located in the defective article loading unit 700.

The dump tray loading unit 800 is installed on the front side of the above-described good article tray discharging unit 600 so as to be able to move up and down. The dump tray loading unit 800 includes an empty tray for loading a good quality LED module bar picked up and supplied from the empty tray loading unit 400 by the tray / Quot;), and when the good LED module bar is loaded in all the stacking areas of the empty good article tray, it is lowered.

When the tray support table 323 of the reclassification unit 340 is transferred onto the dump tray stacking unit 800, the tray / The good LED module bars are transferred from the reclassing tray placed on the table to the dump tray loading unit 800 and the reclosing tray is placed on the bad loading unit 700. [ The reclassification process of the LED module bar loaded on the reclosing tray will be described in detail as follows.

First, when the LED module bar including the defective LED module bar is loaded on all the stacking areas of the reclassing tray that is seated on the tray supporting table of the reclassification stacking unit 340, the tray supporting table of the reclassing stacking unit 340 And is conveyed onto the defective article loading unit 700.

Then, the tray / bar conveying picker 500 picks up all the good quality LED module bars loaded on the reclosing tray at the same time and stacks them on the empty good tray of the dump tray stacking unit 800, And picks up the tray for reclassification where the bar remains, and raises it to a predetermined height.

Then, when the tray for reclassification is lifted to a predetermined height from the tray support table of the reclassification unit 340, the tray support table of the reclassification unit 340 is returned to the original position and returned to the module bar reclassification position .

Next, the tray / bar conveying picker unit 500 places the picked-up recycling tray on the reject unit 700, and stacks the recycling tray in a zigzag form so that the jamming phenomenon does not occur between the trays .

Then, when the tray for reclassification containing only the defective LED module bar is lowered, the tray supporting table of the reclassification mounting portion 340 is moved to the upper side (700).

Finally, the tray / bar conveying picker unit 500 picks up the empty tray from the empty tray stacking unit 400 and places it on the tray supporting table of the reclassification stacking unit 340, The tray support table of the reclassifying part 340 which has been seated with the guide plate 334 is again transferred to the original position and returned to the module bar reclining position.

If the reclassification process of the LED module bars loaded on the reclosing tray is repeated, the recycling trays which are not loaded with the defective LED modules are stacked on the defective article stacking unit 700, In the tray stacking unit 800, good-quality trays on which good-quality LED modules are stacked are stacked. When the number of recycling trays is stacked in a predetermined number in the rejecting unit 700, the recycling trays stacked on the rejecting unit 700 are discharged to the outside by the operator. Similarly, when the number of good trays is stacked by the predetermined number in the dump tray stacking unit 800, the good trays stacked on the dump tray stacking unit 800 are discharged to the outside by the operator.

Meanwhile, the positions of the defective article loading unit 700 and the dump tray loading unit 800 may be changed. In this case, the tray / bar conveying picker unit 500 picks up the defective LED module bar from the dump tray stacking unit 800 located at the front side of the reclassification stacking unit 340, Is placed on the tray for the empty defective article which is seated in the defective article loading unit 700 located at the bottom.

On the other hand, when the plurality of LED module bars inspected in the optical inspection unit 200 have the same shape, only the defective LED module bar is loaded on the recoding tray. Accordingly, the tray / bar conveying picker unit 500 simultaneously picks up the defective LED module bar from the tray for reclassification and transfers it to the defective tray unit 700, and supplies the empty tray to the defective tray unit 700 . In such a case, the above-described dump tray loading section 800 is omitted, and a new empty reclaiming tray is not supplied to the tray supporting table of the reclassification mounting section 340, The tray is continuously used.

6 is a perspective view for explaining the optical inspection unit shown in Figs. 3 to 5. Fig.

3 to 6, the optical inspection unit 200 includes an inspection frame 210, a module bar rotation module 220, a frame transfer unit 230, a plurality of optical inspection units 240, (250).

The inspection frame 210 vacuum-absorbs and supports a plurality of LED module bars supplied from a module bar picker module (not shown) that moves the external substrate cutting device. To this end, the inspection frame 210 is formed in a box shape having an upper surface opening and includes a plurality of rotation bars 212 provided to cross the upper surface opening.

Each of the plurality of rotation bars 212 is rotatably installed on both side walls of the inspection frame. A plurality of vacuum adsorption pads formed at regular intervals are formed on the upper surface of each of the plurality of rotation bars 212. Each of the plurality of vacuum adsorption pads vacuum-absorbs the lower surface of the LED module bar by using a vacuum attraction force, thereby fixing the LED module bar to the upper surface of the rotation bar 212.

The plurality of rotation bars 212 are arranged to have an interval corresponding to the inspection area of each of the plurality of optical inspection units 240. That is, since one optical inspection unit 240 has a predetermined inspection area, the plurality of rotation bars 212 are arranged to have an interval set to be overlapped with each of the plurality of optical inspection units 240. For example, in the inspection area of one optical inspection unit 240, three rotating bars may be disposed adjacent to each other. In this case, the three rotating bars are arranged adjacent to each other to form one test group, and each test group is spaced apart to correspond to the interval of the plurality of optical inspection units 240. [

7 and 8, the plurality of LED module bars vacuum-adsorbed to the plurality of rotation bars 212 arranged at the intervals as described above are arranged in the first and second groups 20L, and 20R, respectively. For example, each of the first and second groups 20L and 20R may include eight LED module bars (1 to 8).

In each of the first and second groups 20L and 20R, the first and second LED module bars (1 and 2) are disposed adjacent to each other with a first interval D1, Are spaced apart from each other by a second distance D2 from the second LED module bar ② and the third to fifth LED module bars ③, ④ and ⑤ are disposed adjacent to each other with a first distance D1 , The sixth LED module bar (6) is spaced apart from the fifth LED module bar (5) by a second gap (D2), and the sixth through eighth LED module bars (6, 7, As shown in Fig.

Each of the LED module bars 20 of the first and second groups 20L and 20R includes an LED package 21 mounted at a predetermined distance d on the front surface of the printed circuit board PCB, And a lens 22 coupled to the printed circuit board PCB so as to cover the printed circuit board PCB and the lens 22. The lens 22 has an adhesive member 23 such as an adhesive to be spaced apart from the upper surface of the printed circuit board To the upper surface of the printed circuit board (PCB).

The first to eighth LED module bars (1 to 8) arranged in the first group 20L include an external connecting connector 24a formed at the front end and connected to the external LED driving circuit, And a first bar connection connector 24b connected to the LED module bar 20 disposed in the second group 20R.

The first to eighth LED module bars (1 to 8) arranged in the second group 20R are connected to the first bar connecting connector (not shown) of the LED module bar 20 formed in the first group 20L, And a second bar connection connector 24c connected to the second connector 24b.

The module bar rotation module 220 simultaneously rotates each of the plurality of rotation bars 212 at a predetermined angle. For example, the module bar rotation module 220 may include bar rotation means 222, bar support means 224, a shaft 226, and a drive motor 228.

The bar rotating means 222 is installed on one side of the inspection frame 210 and rotates one side of each of the plurality of rotation bars 212 in common in accordance with rotation of the driving motor. To this end, the bar rotating means 222 includes a plurality of pulleys coupled to one side of each of the plurality of rotating bars 212, and a plurality of belts spanning between the plurality of pulleys to simultaneously rotate the plurality of pulleys in the same direction .

The bar supporting means 224 is installed on the other side of the inspection frame 210 to commonly rotate the other side of each of the plurality of rotation bars 212 in accordance with the rotation of the driving motor. To this end, the bar rotating means 222 includes a plurality of pulleys coupled to the other side of each of the plurality of rotating bars 212, a plurality of belts spanning a plurality of pulleys to simultaneously rotate the plurality of pulleys in the same direction .

The shaft 226 is provided to cross one side and the other side of the inspection frame 210 to transmit the rotation of the driving motor 228 to the bar rotating means 222 and the bar supporting means 224. At this time, the rotational motion of the shaft 226 can be transmitted to the bar rotating means 222 and the bar supporting means 224 via the rotation transmission belt.

The module bar rotation module 220 includes a plurality of belts. However, the present invention is not limited thereto. For example, the module bar rotation module 220 may be configured to rotate It can be rotated by an angle.

The driving motor 228 is installed on one side of the inspection frame 210 to rotate the shaft 226 to rotate the bar rotating means 222 and the bar supporting means 224, Are simultaneously rotated in the same direction. For example, upon inspection of the first long side of the LED module bar, each of the plurality of rotating bars 212 is rotated 90 degrees in the normal direction. When the second long side of the LED module bar is inspected, each of the plurality of rotation bars 212 rotates 180 degrees in the forward direction while being rotated 90 degrees in the forward direction.

The frame transfer means 230 is installed on the first base plate 102 to linearly move the inspection frame 210 in the Y-axis direction. To this end, the frame transfer means 230 includes a pair of transfer guide rails 231 and 232, a transfer frame 233, and a frame transfer motor 234.

A pair of conveying guide rails 231 and 232 are provided on the first base plate 102 in parallel in the Y axis direction to guide the conveyance of the inspection frame 210 in the Y axis direction.

The conveyance frame 233 is disposed on the pair of conveyance guide rails 231 and 232 and is conveyed in the Y axis direction of the inspection frame 210 in accordance with the rotation motion of the frame conveyance motor 234. The transfer frame 233 may include a ball screw coupled to a lower surface of the inspection frame 210.

The frame conveying motor 234 is provided on the rear surface of the conveying frame 233 and rotates the ball screw installed in the conveying frame 233 so that the inspection frame 210 is moved in the Y- Let it reciprocate.

Each of the plurality of optical inspection units 240 is mounted on the inspection frame 210 to pick up a plurality of LED module bars that are transported in the Y axis direction in accordance with the driving of the frame transportation means 230, (Not shown). At this time, one optical inspection unit 240 can capture three LED module bars passing through the focusing area. Each of the plurality of optical inspection units 240 may include a scan camera, a line camera, or an image sensor.

The inspection unit elevating means 250 is installed on the inspection table 210 to support and elevate the plurality of optical inspection units 240. To this end, the inspection unit elevating means 250 is configured to include a pair of vertical supports 251 and 252, a horizontal support 253, an elevating frame 254, and a frame elevating means 255.

A pair of vertical supports 251 and 252 are vertically installed on the first base plate 102 with the inspection table 210 interposed therebetween.

The horizontal support 253 is installed between the pair of vertical supports 251 and 252 to support the lift frame 254.

The lifting frame 254 is mounted on the horizontal support 253 so as to be movable up and down to support the plurality of optical inspection units 240. The lifting frame 254 is lifted and lowered according to the driving of the frame lifting means 255 to adjust the focusing of each of the plurality of optical inspection units 240 by simultaneously raising and lowering each of the plurality of optical testing units 240.

The frame elevating means 255 is installed on the horizontal support 253 to elevate the elevating frame 254. To this end, the frame elevating means 255 may be composed of a frame lift-up ball screw for lifting the lift frame 254 and a frame lift motor for rotating the frame lift-up ball screw. Accordingly, the frame lifting means 255 rotates the frame lifting / lowering ball screw according to the driving of the frame lifting motor, thereby lifting / lowering the lifting frame 254 through the rotational motion of the frame lifting / lowering screw.

The inspection process of the LED module bar using the optical inspection unit 200 will be described below.

First, when the LED module bars are mounted on the respective rotation bars 212 of the inspection frame 210, the LED module bars are vacuum-sucked to the respective rotation bars 212 by generating vacuum suction force on the vacuum suction pads of the respective rotation bars 212 .

Then, a plurality of optical inspection units 240 are connected to the inspection frame 210 by rotating the frame conveying motor 234 of the frame conveying unit 230 in a reverse direction to linearly transfer the inspection frame 210 in the -Y axis direction. The front surface of the LED module bar is imaged to generate a front imaging image, and the generated front imaging image is provided to the image inspection unit. Accordingly, the image inspection unit determines the position of the lens 22 coupled to the printed circuit board (PCB), the distance h between the lenses 22, the distance between the lens 22 and the LED package And the presence or absence of foreign matter such as dust.

Next, the module bar rotation module 220 is driven to rotate each of the plurality of rotation bars 212 by 90 degrees so that the first long side of the plurality of LED module bars 20 faces upward.

The inspection frame 210 is rotated in the normal direction by the frame conveying motor 234 of the frame conveying unit 230 so as to linearly move the inspection frame 210 in the + Y axis direction, The first long side of the LED module bar is imaged to generate the first long side imaging image, and the generated first long side imaging image is provided to the image inspection unit. Accordingly, the image inspection unit calculates the distance h between the lower surface of the lens 22 and the upper surface of the printed circuit board (PCB) in the first long side imaging image of each LED module bar, The presence / absence of tilt of the first long side inspection information 22, and the like.

Then, the module bar rotation module 220 is driven to rotate each of the plurality of rotation bars 212 by 180 degrees so that the second long side of the plurality of LED module bars 20 faces upward.

Finally, a plurality of optical inspection units 240 are connected to the inspection frame 210 by rotating the frame conveying motor 234 of the frame conveying unit 230 in a reverse direction, The second long side imaging image is generated, and the generated second long side imaging image is provided to the image inspection unit. Accordingly, the image inspection unit detects the distance h between the lower surface of the lens 22 and the upper surface of the printed circuit board (PCB) in the second long side imaging image of each LED module bar, The presence / absence of a tilt of the first long side inspection information 22, and the like. The image inspection unit determines whether each of the plurality of LED module bars is good or defective by integrally analyzing the front inspection information and the first and second long side inspection information for each of the plurality of LED module bars, And provides the generated classification information to a control unit (not shown). The control unit controls the classification operation of the classification unit 300 according to the classification information.

Fig. 9 is a perspective view for explaining the module sorting picker unit shown in Figs. 3 to 5, Fig. 10 is a perspective view enlarging and showing part A shown in Fig. 9, Fig.

9 to 11, the module classification picker unit 310 simultaneously picks up a plurality of LED module bars 20 that have been inspected in each of the rotation bars 212 of the optical inspection unit 100, The plurality of LED module bars are classified into the first and second good packaging units 320 and 330 and the reclassifying unit 340 according to classification information. To this end, the module classification picker unit 310 includes a bar picker holding means 312, a bar picker elevating means 314, a bar picker conveying means 316, and a sorting picker module 318.

3 to 5, the bar picker supporting means 312 is installed on the first second base plates 102 and 104 of the base frame 100 to convey the bar picker elevating means 314 Possibly. To this end, the bar picker support means 312 comprises a plurality of vertical support shafts 312a and a conveying guide shaft 312b.

A plurality of vertical support shafts 312a are vertically installed on the first and second base plates 102 and 104 at regular intervals.

The conveying guide shaft 312b is installed so as to span a plurality of vertical support shafts 312a to guide the conveyance of the bar picker elevating means 314 in the X axis direction.

The bar pick-up and elevating means 314 is installed on the conveying guide shaft 312b of the bar picker supporting means 312 and is conveyed in the X axis direction by driving of the bar picker conveying means 316, . To this end, the bar pick-up and elevator means 314 comprises a picker module supporting block 314a and a block elevating means 314b.

The picker module support block 314a is provided so as to be capable of being transported to the transport guide shaft 312b and supports the sorting picker module 318 so as to be able to move up and down.

The block elevating means 314b is installed on the picker module supporting block 314a to elevate and lower the sorting picker module 318. [ For this purpose, the block elevating means 314b includes a picker module elevating ball screw installed inside the picker module supporting block 314b and coupled to the sorting picker module 318, and a picker module for rotating the picker module elevating ball screw And a lift motor. The block elevating means 314b rotates the ball screw for lifting and lowering the picker module in accordance with the driving of the picker module elevating motor, thereby moving the sorting picker module 318 in accordance with the rotation of the ball screw.

The bar picker conveying means 316 is provided on the conveying guide shaft 312b of the bar picker supporting means 312 to linearly move the bar picker elevating means 314 in the X axis direction. For this purpose, the bar picker conveying means 316 includes a block conveying ball screw installed inside the conveying guide shaft 312b and coupled to the picker module supporting block 314a, and a block conveying ball screw for conveying the blocks for rotating the block conveying ball screw And a motor. The bar picker conveying means 316 rotates the block conveying ball screw in accordance with the driving of the block conveying motor to convey the bar picker elevating means 314 in the X axis direction in accordance with the rotation of the ball screw.

The sorting picker module 318 picks up a plurality of LED module bars 20 installed in the bar pick-up and elevating means 314 and has been inspected in the optical inspection unit 100 and controls the control of the control unit based on the above- The plurality of LED module bars 20 picked up are sorted into the first and second good packaging units 320 and 330 and the reclassification storage unit 340 described above. The sorting picker module 318 includes a finger lift frame 1310, a finger support block 1320, a finger gap adjustment unit 1330, a plurality of front end fingers 1340, a plurality of rear end fingers 1350, And a finger distance adjustment unit 1360.

The finger lifting frame 1310 is installed on the picker module supporting block 314a of the bar pick-up and elevating means 314 so as to be able to move up and down according to the driving of the bar pick-

The finger support block 1320 is coupled to the lower surface of the finger lifting frame 1310 to support the finger spacing adjusting unit 1330.

The finger interval adjusting unit 1330 is installed at the center of the lower surface of the finger support block 1320 so as to intersect with the finger support block 1320. The finger interval adjusting unit 1330 is configured to simultaneously transfer a plurality of front end fingers 1340 and a plurality of rear end fingers 1350 individually so that the interval between the plurality of front end fingers 1340 and the interval between the plurality of rear end fingers 1350 . To this end, the finger spacing adjustment unit 1330 includes a finger transfer guide frame 1331, a plurality of finger transfer plates 1333, a plurality of front end finger support bars 1335, a plurality of rear end finger support bars 1337, And a conveying means 1339.

The finger transfer guide frame 1331 is installed on the lower surface of the finger support block 1320 in the X axis direction to guide the transfer of the plurality of the front end finger support bars 1333 and the plurality of the rear end finger support bars 1335 . To this end, both sides of the lower surface of the finger transfer guide frame 1331 are provided with first and second transfer guide rails 1330 for guiding the transfer of the plurality of front end finger supporting bars 1333 and the plurality of rear end finger supporting bars 1335, (1332a, 1332b) are provided.

Each of the plurality of finger transfer plates 1333 is transferably installed between the first and second transfer guide rails 1332a and 1332b and includes a plurality of front end finger supporting bars 1333 and a plurality of rear end finger supporting bars 1335, Respectively. Each of the plurality of finger transfer plates 1333 is transferred in the X axis direction simultaneously with the driving of the transfer means 1339 so that a plurality of the front end finger supporting bars 1333 and the plurality of rear end finger supporting bars 1335 Simultaneously, it is transported in the X-axis direction.

Each of the plurality of the front end finger supporting bars 1335 is movably installed on one side of each of the plurality of finger transfer plates 1333 to support the front end finger 1340.

Each of the plurality of rear end finger support bars 1337 is transportably installed on the other side of each of the plurality of finger transfer plates 1333 to support a rear end finger 1350.

The conveying means 1339 is installed on the finger conveying guide frame 1331 to convey the plurality of finger conveying plates 1333 in the X-axis direction. For this purpose, the conveying means 1339 may include a servo motor for simultaneously transferring the plurality of finger transfer plates 1333 in the X-axis direction.

Each of the plurality of front end fingers 1340 is installed in parallel to the finger interval adjusting unit 1330, that is, the plurality of front end finger supporting bars 1335 at regular intervals. Vacuum pads for vacuum adsorption of the LED module bars 20 are installed in the plurality of front end fingers 1340. Each of the plurality of front end fingers 1340 picks up the entire front end portion of the LED module bar 20 by vacuum suction according to the vacuum attraction force generated in the vacuum pad.

Each of the plurality of rear end fingers 1350 is disposed in parallel to the finger interval adjusting unit 1330, that is, the plurality of rear end finger supporting bars 1337 at regular intervals. Vacuum pads for vacuum adsorption of the LED module bars 20 are installed in the plurality of rear fingers 1350, respectively. Each of the plurality of rear fingers 1350 picks up the rear end front surface of the LED module bar 20 by vacuum suction in accordance with the vacuum suction force generated in the vacuum pad.

The finger distance adjustment unit 1360 is provided on the lower surface of the finger support block 1320 to adjust the distance between the front end finger 1340 and the rear end finger 1350. [ That is, since the pickup position may vary depending on the size of the LED module bar, the finger distance adjustment unit 1360 adjusts the pickup position of the front end finger 1340 and the rear end finger 1350 according to the size of the LED module bar It plays a role. The finger distance adjustment unit 1360 includes a front end finger support member 1361, a front end finger transfer unit 1362, a rear end finger support member 1363, and a rear end finger transfer unit 1364.

The front end fingers 1340 are provided so as to be movable on one side of the lower surface of the finger support block 1320 so as to commonly support the plurality of front end fingers 1340, Axis direction. To this end, the front end finger support member 1361 includes a front end bar 1361a and a front end bar support member 1361b.

The front end rod 1361a is installed to pass through each of the finger interval adjusting units 1330, that is, the plurality of front end finger supporting bars 1335. [ The shear rod 1361a transfers the plurality of shear finger support bars 1335 in the Y-axis direction in accordance with the conveyance of the shear bar support member 1361b so that the plurality of shear fingers 1340 are simultaneously moved in the Y-axis direction .

The front end bar supporting member 1361b is provided to be capable of being transferred to one side of the lower surface of the finger support block 1320 so as to be coupled to the front end finger transfer means 1362. [ The shearing rod supporting member 1361b is conveyed in the Y axis direction by driving the front end finger conveying means 1362, thereby conveying the front end rod 1361a in the Y axis direction.

The front end finger transfer means 1362 transfers the front end finger support member 1361 in the Y axis direction. The front end finger transfer means 1362 may include a motor for transferring the front end finger provided on one side of the finger support block 1320 and a motor for transferring the front end finger support member 1361 installed inside the finger support block 1320. [ I.e., a ball screw for transferring the front end finger coupled to the shearing bar supporting member 1361b. Accordingly, the front-end finger transfer unit 1362 linearly moves the front-end finger support member 1361 in the Y-axis direction through the rotation of the ball screw for transferring the front fingers according to the driving of the front-end finger transfer motor, And the fingers 1340 are simultaneously transported in the Y-axis direction. As a result, each of the plurality of front end fingers 1340 is moved in the Y-axis direction by the front end finger transfer means 1362 so as to be closer to or farther from each of the plurality of rear end fingers 1350.

The rear finger support members 1363 are provided so as to be movable on the other side of the lower surface of the finger support block 1320 so as to commonly support the plurality of rear fingers 1350, Axis direction. To this end, the rear end finger support member 1363 includes a rear end bar 1363a and a rear end bar supporting member 1363b.

The rear end rod 1363a is installed to penetrate each of the finger interval adjusting units 1330, that is, a plurality of rear end finger supporting bars 1337 described above. The rear end bar 1363a moves each of the plurality of rear end finger support bars 1337 in the Y axis direction in accordance with the feeding of the rear bar support member 1363b, .

The rear end bar support member 1363b is provided to be capable of being transferred to the other side of the lower surface of the finger support block 1320 so as to be coupled to the rear end finger transfer means 1364. [ The rear bar support member 1363b is conveyed in the Y axis direction by driving the rear end finger conveying unit 1364, thereby conveying the rear bar 1363a in the Y axis direction.

The rear end finger transfer means 1364 transfers the rear end finger support member 1363 in the Y axis direction. The rear finger transfer means 1364 includes a rear finger transfer motor mounted on the other side of the finger support block 1320 and a motor for transferring the rear end finger support member 1363 installed inside the finger support block 1320, That is, a rear end finger conveying ball screw coupled to the rear bar supporting member 1363b. Accordingly, the rear-end finger transfer unit 1364 linearly moves the rear-end finger support member 1363 in the Y-axis direction through the rotation of the ball screw for transferring the rear finger according to the driving of the rear-end finger transfer motor, And the fingers 1350 are simultaneously transported in the Y-axis direction. As a result, each of the plurality of rear fingers 1350 is moved in the Y-axis direction by the rear-end finger transfer unit 1364 so that each of the plurality of rear fingers 1350 is moved closer to or away from each of the plurality of front end fingers 1340.

The distance between the front end finger 1340 and the rear end finger 1350 corresponds to the length of the LED module bar 20 to be picked up according to the driving of the front end finger transfer means 1362 and the rear end finger transfer means 1364 So as to be symmetrically variable.

FIG. 12 is a perspective view illustrating the tray pick-up unit shown in FIGS. 3 to 5, and FIG. 13 is a view for explaining the tray picker module shown in FIG.

12 and 13, the good-quality tray transporting picker portion 350 includes the good-quality LEDs 320 and 330 in the first and second good-quality mounting portions 320 and 330 of the classifying portion 300, The full tray for full goods, on which the module bar is loaded, that is, the full tray, is picked up and transferred to the tray for the good tray 400. To this end, the good tray transport picker portion 350 is configured to include a tray picker support means 352, a tray picker elevating means 354, a tray picker conveying means 356, and a tray picker module 358 .

3 to 5, the tray picker support means 352 is installed on the first second base plates 102 and 104 of the base frame 100 to convey the tray picker elevating means 354 Possibly. To this end, the tray picker support means 352 comprises a plurality of columns 352a and a transport guide bar 352b.

The plurality of columns 352a are vertically installed on the first and second base plates 102 and 104 at regular intervals.

The conveyance guide bar 352b is installed so as to span a plurality of columns 352a to guide the conveyance of the tray picker elevating means 354 in the X axis direction.

The tray picker elevating means 354 is installed on the conveying guide bar 352b of the tray picker supporting means 352 and is conveyed in the X axis direction by driving of the tray picker conveying means 356, . To this end, the tray picker lifting unit 354 includes a tray picker support block 354a and a tray picker lifting unit 354b.

The tray picker support block 354a is installed on the conveyance guide bar 352b to guide the tray picker module 358 up and down.

The tray picker elevating unit 354b is installed on the tray picker supporting block 354a to elevate and lower the tray picker module 358. [ The tray picker elevating unit 354b includes a tray picker elevating and lowering ball screw installed inside the tray picker supporting block 354b and coupled to the tray picker module 358, And a tray picker elevating motor. The tray picker raising and lowering unit 354b rotates the tray picker raising and lowering ball screw by driving the tray picker raising and lowering motor, thereby raising and lowering the tray picker module 358 in accordance with the rotation of the ball screw.

The tray picker conveying means 356 is installed on the conveyance guide bar 352b of the tray picker support means 352 to linearly move the tray picker elevating means 354 in the X axis direction. To this end, the tray picker conveying means 356 includes a ball screw for conveying the tray picker, which is installed inside the conveying guide bar 352b and is coupled to the tray picker support block 354a, And a motor. The tray picker conveying means 356 rotates the ball screw for conveying the tray pickers according to the driving of the tray picker conveying motor to convey the tray picker elevating means 354 in the X axis direction in accordance with the rotation of the ball screw.

The tray picker module 358 is installed on the tray picker elevating means 354 or the tray picker supporting block 354a so as to be able to move up and down so that the first and second good loading sections 320, The full tray for full good is picked up by the tray picker conveying means 356 and picked up by the tray picker conveying means 356, Lt; / RTI > To this end, the tray picker module 358 includes a lift bracket 3581, a tray picker rotation unit 3582, a gripper support frame 3583, first and second grippers 3584 and 3585, A unit 3586, and a tray detection unit 3587. [

The lifting bracket 3581 is vertically installed on the tray picker lifting unit 354, that is, the tray picker support block 354a, and is raised and lowered according to the driving of the picker lifting unit 354b.

The tray picker rotating unit 3582 is installed on the lift bracket 3581 to rotate the gripper support frame 3583 by 90 degrees. That is, the tray picker rotating unit 3582 rotates the gripper support frame 3583 and the first and second grippers 3584 and 3585 vertically to move the first and second grippers 3584 and 3585, So that the transport of the sorting picker module 318 of the module sorting picker section 310 is not interfered with each other. Here, when the conveyance path of the first and second grippers 3584 and 3585 held in the horizontal state and the conveyance path of the classification picker module 318 are sufficiently separated, the first and second grippers 3584, 3585) need not be vertically erected.

The tray picker rotating unit 3582 may include a rotary shaft and a servo motor that rotates the rotary shaft by 90 degrees in the forward direction or rotates the rotary shaft in the rotated state by 90 degrees in the reverse direction by 90 degrees.

The gripper support frame 3583 is coupled to the tray picker rotation unit 3582, i.e., the rotation shaft, to support the first and second grippers 3584 and 3585. The gripper support frame 3583 is rotated 90 degrees in the forward direction or rotated 90 degrees in the forward direction according to the driving of the tray picker rotation unit 3582, and then rotated 90 degrees in the reverse direction.

The first gripper 3584 is disposed on one side of the gripper support frame 3583 to grip one side of the full good tray. The second gripper 3585 is disposed on the other side of the gripper support frame 3583 so as to grip the other side of the full good tray.

Each of the first and second grippers 3584 and 3585 includes a lower gripper 3584a, an upper gripper 3584b, and an upper gripper lifting member 3584c.

The lower gripper 3584a is mounted on the gripper support frame 3583 and fixed in position. The lower gripper 3584a supports the lower edge portion of the full good tray.

The upper gripper 3584b is installed on the lower gripper 3584a so as to be able to move up and down, and is located inside the lower gripper 3584a. The upper gripper 3584b presses the upper edge portion of the full good tray.

The upper gripper lifting member 3584c is installed on the lower gripper 3584a corresponding to the upper side of the upper gripper 3584b. The upper gripper lifting member 3584c lifts the upper gripper 3584b so that the lower gripper 3584a and the upper gripper 3584b catch the upper and lower edge portions of the full good tray. Here, the upper gripper lifting member 3584c may be a cylinder.

The gripper interval adjusting unit 3586 is installed on the gripper support frame 3583 to adjust the gap between the first and second grippers 3584 and 3585. For this purpose, the gripper interval adjusting unit 3586 includes gripper transfer members (not shown) installed inside the gripper support frame 3583 and individually coupled to the first and second grippers 3584 and 3585, respectively, And a gripper feed motor (not shown) for providing rotational motion to the gripper feed member. The gripper interval adjustment unit 3586 linearly moves the first and second grippers 3584 and 3585 in opposite directions through the rotational movement of the gripper transfer member according to the driving of the gripper transfer motor, 1 and the second grippers 3584 and 3585, respectively. As a result, the gripper interval adjusting unit 3586 can adjust the gap between the first and second grippers 3584 and 3585 (or 3585 and 3585) depending on the size of the tray for full good, which varies depending on the size (or length) ).

The tray detection unit 3587 detects the pickup of the full good tray picked up by the first and second grippers 3584 and 3585. For this purpose, the tray detection unit 3587 may comprise a tray detection sensor installed in at least one of the first and second grippers 3584 and 3585 on the lower gripper 3584a. The tray detection sensor detects the presence or absence of pickup of the full good tray by the first and second grippers 3584 and 3585 by transmitting and receiving a predetermined tray detection light.

The operation of the above-described good-quality tray transport picker portion 350 will be described below.

First, when all the good LED module bars are loaded on all the stacking areas of the empty defective tray placed on at least one of the first and second good stacking parts 320 and 330 of the sorting part 300, the tray picker module 358 ) Onto a good-quality loading part with a full good tray.

Then, the gap between the first and second grippers 3584 and 3585 is made greater than the distance between both sides of the full good tray through the operation of the gripper interval adjusting unit 3586.

Then, the tray picker module 358 is lowered by driving the tray picker elevator unit 354b.

Next, the first and second grippers 3584 and 3585 are driven by the gripper interval adjusting unit 3586 so that the first and second grippers 3584 and 3585 are positioned at both side edges of the tray for full good goods, ).

The first and second grippers 3584 and 3585 are driven by lowering the upper gripper 3584b of each of the first and second grippers 3584 and 3585 simultaneously by driving the upper gripper lifting member 3584c. And collects the top and bottom edge portions of the full good tray through the respective lower grippers 3584a and the upper gripper 3584b.

Then, the tray picker module 358 is moved to a horizontal position by driving the tray picker conveying unit 356 and transferred onto the above-described good tray discharging unit 400.

After the tray picker module 358 is lowered through driving of the tray picker raising and lowering unit 354b, the gripper interval adjusting unit 3586 and the upper gripper raising and lowering member 3584c are sequentially driven, 1 and the second grippers 3584 and 3585 are mounted on the tray 400 for the good article.

When the full good tray is mounted on the good tray 400, the tray picker module 358 is raised through the tray picker lift unit 354b.

Then, the tray picker module 358 is vertically rotated by rotating the tray picker module 358 in which the full good tray is picked up by 90 degrees in the forward direction by driving the tray picker rotating unit 3582.

Then, the vertically erected tray picker module 358 is transported onto the good article carrying part with the full good tray.

Finally, the tray picker module 358 is horizontally positioned by rotating the tray picker module 358 vertically installed by driving the tray picker rotating unit 3582 in the reverse direction by 90 degrees, The conveying process of the good tray is repeatedly performed.

FIG. 14 is a perspective view for explaining the tray / bar conveying picker unit shown in FIGS. 3 to 5, and FIG. 15 is a view for explaining the tray / bar picker module shown in FIG.

Referring to FIGS. 14 and 15, the tray / bar conveying picker unit 500 provides the empty tray stored in the empty tray loading unit 400 to the sorting unit 300, The product LED module bar is picked up from the recycling tray supplied from the recycling tray 300 and loaded on the empty good-quality tray placed on the dump tray mounting part 800, picks up the recycling tray and loads it on the bad- . To this end, the tray / bar conveying picker 500 includes a tray / bar picker supporting means 510, a tray / bar picker elevating means 520, a tray / bar picker conveying means 530, a tray / bar picker module 540, and a tray orientation detection module 550.

The tray / bar picker support means 352 is mounted on the third base plate 300 of the base frame 100 so as to cross the upper portions of the dummy tray mounting portion 800, the defect mounting portion 700 and the empty tray mounting portion 400, And the tray / bar picker elevating means 520 is provided so as to be capable of being transported. To this end, the tray / bar picker support means 352 comprises a pair of vertical supports 512, and a transport guide support 514.

A pair of vertical pedestals 512 are vertically installed on both sides of the third base plate 106 with the dummy tray mounting portion 800, the defect mounting portion 700 and the empty tray mounting portion 400 interposed therebetween.

The conveyance guide supporter 514 is installed to extend over the pair of vertical supports 512 to guide the conveyance of the tray / bar picker elevating means 354 in the X axis direction.

The tray / bar picker elevating means 520 is installed on a conveying guide supporter 514 of the tray / bar picker supporting means 510 and is conveyed in the X axis direction by driving of the tray / bar picker conveying means 530, And raises / lowers the tray / bar picker module 540. To this end, the tray / bar picker lifting unit 520 includes a tray / bar picker support block 522 and a tray / bar picker lift unit 524.

The tray / bar picker support block 522 is provided so as to be able to be conveyed to the conveyance guide supporter 514 to guide the tray / bar picker module 540 up and down.

The tray / bar elevator unit 524 is installed on the tray / bar picker support block 522 to elevate the tray / bar picker module 540. To this end, the tray / bar pick-up unit 524 includes a tray / bar picker lift-up ball screw installed inside the tray picker support block 522 and coupled to the tray / bar picker module 540, And a tray / bar picker lifting motor for rotating the picker lifting ball screw. The tray / bar picker elevating unit 524 rotates the tray / bar picker raising and lowering ball screw according to the driving of the tray / bar picker raising and lowering motor, thereby raising and lowering the tray / bar picker module 540 according to the rotation of the ball screw .

The tray / bar picker conveying means 530 is installed on a conveying guide support 514 of the tray picker supporting means 352 to linearly move the tray / bar picker elevating means 520 in the X axis direction. To this end, the tray / bar picker conveying means 530 includes a ball screw for conveying the tray / bar picker, which is installed inside the conveying guide supporter 514 and is coupled to the tray / bar picker support block 522, And a motor for feeding the rotating tray / bar picker. The tray / bar picker conveying means 530 rotates the ball screw for conveying the tray / bar pickers according to the driving of the tray / bar picker conveying motor so that the tray / X axis direction.

The tray / bar picker module 540 is installed on the tray / bar picker up / down unit 520, that is, the tray / bar picker support block 522. The tray / bar picker module 540 feeds the empty tray to the sorting part 300 while moving the upper part of each of the dummy tray stacking part 800, the defective stacking part 700 and the empty tray stacking part 400 Or the defective LED module bar and the defective LED module bar are picked up at the reclassification part 340 of the classifying part 300 and reclassified. To this end, the tray / bar picker module 540 includes a tray / bar picker lift block 541, a tray / bar picker rotation unit 542, a rotation frame 543, a tray / bar picker support frame 544, A pair of first and second pick-up nozzles 545 and 546, a pick-up nozzle interval adjusting unit 547, and first and second pick-up nozzle transfer units 548 and 549.

The tray / bar picker lift block 541 is mounted on the tray / bar picker lift block 520, that is, the tray / bar picker support block 522 so as to be elevated and supports the tray / bar picker rotation unit 542 .

The tray / bar picker rotation unit 542 is rotatably installed on the tray / bar picker lift block 541 to rotate the rotation frame 543. To this end, the tray / bar picker rotation unit 542 includes a support bracket 542a, a rotation member 542b, and a tray rotation motor 542c.

The support bracket 542a is coupled to the lower surface of the tray / bar picker lift block 541. [

The rotatable member 542b is rotatably mounted on the lower surface of the support bracket 542 to support the rotatable frame 543. The rotating member 542b rotates the rotating frame 543 in accordance with the driving of the tray rotating motor 542c. The rotary member 542b includes a shaft for supporting the rotary frame 543, a first pulley coupled to the shaft, a second pulley coupled to the rotary shaft of the tray rotation motor 542c, And a belt extending between the pulleys.

The tray rotation motor 542c is installed on the upper surface of the support bracket 542a to rotate the rotation member 542b so that the rotation frame 543 rotates in accordance with the rotation of the rotation member 542b.

The rotating frame 543 is coupled to the tray / bar picker rotating unit 542, that is, the rotating member 542b to support the tray / bar picker supporting frame 544, and rotates in accordance with the rotation of the rotating member 542b Rotate.

The tray / bar picker support frame 544 is coupled to a lower surface of the rotary frame 543 to transportably support a pair of first and second pickup nozzles 545 and 546.

The pair of first pick-up nozzles 545 are arranged on one side of the tray / bar picker support frame 544 so as to be spaced apart from each other by a predetermined distance. The pair of first pick-up nozzles 545 picks up one side edge of the tray T at the same time or picks up one side of the LED module bar using a predetermined vacuum suction force supplied from the outside.

The pair of second pick-up nozzles 546 are arranged on the other side of the tray / bar picker support frame 544 so as to be spaced apart from each other by a predetermined distance. The pair of second pick-up nozzles 546 pick up the other side edges of the tray T at the same time or pick up one side of the LED module bar using a predetermined vacuum suction force supplied from the outside.

The pair of first and second pickup nozzles 545 and 546, which are arranged side by side with the tray / bar picker support frame 544 interposed therebetween, are connected in common by the first and second nozzle support rods 545a and 545b .

The pick-up nozzle interval adjusting unit 547 is installed on the tray / bar picker support frame 544 to adjust the interval between the pair of first pick-up nozzles 545, and the pair of second pick- 546). To this end, the pick-up nozzle spacing adjustment unit 547 is mounted within the tray / bar picker support frame 544 and includes a nozzle transfer member 544, which is individually coupled to each of the first and second nozzle support rods 545a, 545b, (Not shown), and a nozzle interval adjusting motor (not shown) for providing rotational motion to the nozzle transferring member. The pick-up nozzle spacing adjusting unit 547 is configured to move the first and second nozzle supporting rods 545a and 545b in the opposite directions to each other through the X-axis So that the interval between the pair of first pick-up nozzles 545 and the interval between the pair of second pick-up nozzles 546 are simultaneously adjusted. As a result, the pick-up nozzle interval adjusting unit 547 adjusts the size of the LED module bar to be picked up depending on the size of the tray for full good product or the position of the LED module bar to be picked up depending on the size (or length) And serves to adjust the interval between the pair of first pick-up nozzles 545 and the interval between the pair of second pick-up nozzles 546.

The first pick-up nozzle transfer unit 548 is installed in the rotary frame 543 to linearly move the pair of first pick-up nozzles 545 in the Y-axis direction, Adjust the pickup position in each Y-axis direction. To this end, the first pick-up nozzle transfer unit 548 includes a first pick-up nozzle support member installed inside the rotary frame 543 to commonly support the pair of first pick-up nozzles 545, A first pick-up nozzle transferring ball screw for linearly moving the first pick-up nozzle support member in the Y-axis direction, and a first pick-up nozzle transferring motor for rotating the first pick-up nozzle transfer ball screw. Accordingly, the pair of first pick-up nozzles 545 are moved in the Y-axis direction by the rotational movement of the first pick-up nozzle conveying ball screw driven by the first pick- The second pick-up nozzle 546 is moved toward or away from the pair of second pick-up nozzles 546 by linear motion.

The second pick-up nozzle transfer unit 549 is installed in the rotary frame 543 and linearly moves the pair of second pick-up nozzles 546 in the Y-axis direction, Adjust the pickup position in each Y-axis direction. To this end, the second pick-up nozzle transfer unit 549 includes a second pick-up nozzle support member installed inside the rotary frame 543 to commonly support the pair of second pick-up nozzles 546, A second pick-up nozzle transferring ball screw for linearly moving the second pick-up nozzle support member in the Y-axis direction, and a second pick-up nozzle transferring motor for rotating the ball screw for transferring the second pick-up nozzle. Accordingly, the pair of second pick-up nozzles 546 are moved in the Y-axis direction by the rotational movement of the second pick-up nozzle conveying ball screw according to the driving of the second pick- The first pick-up nozzle 545 is moved closer to or away from the pair of first pick-up nozzles 545 by linear motion.

When the tray / bar picker module 540 picks up the tray and transfers it to the reclassification stacking unit 340, the dump tray stacking unit 800, and the defective stacking unit 700, , And serves to detect the direction of the tray in order to constantly improve the direction of the tray. For example, the directions of the trays stacked on the empty tray stacking unit 400 are alternately stacked one after the other and rotated 180 degrees in order to prevent the stacking of the trays. Of course, the trays stacked on the reclassification unit 340, the dump tray stacking unit 800, and the defective stacking unit 700 are alternately turned by 180 degrees and stacked one by one. Accordingly, the tray direction detecting module 550 detects the direction of the tray picked up by the tray / bar picker module 540 so that the trays alternate one by one and are rotated 180 degrees.

The tray direction detecting module 550 is installed on the third base plate 106 corresponding to between the defective article loading unit 700 and the dump tray loading unit 800. The tray direction detecting module 550 detects the direction of the tray T picked up in the tray / bar picker module 540 conveyed to the tray direction detecting area by the tray / bar picker conveying unit 530 . To this end, the tray direction detecting module 550 includes a direction detecting sensor including a direction detecting pin.

When the tray T picked up by the tray / bar picker module 540 is transported to the tray direction detecting area and then lowered to a predetermined height, the direction detecting sensor detects the direction of the tray T Detects the direction of the tray (T) picked up by the tray / bar picker module (540). For example, the direction detecting sensor detects the direction of the tray T picked up by the tray / bar picker module 540 in the first direction (or forward direction) when the direction detecting pin is lowered or pushed, The direction of the tray T picked up by the tray / bar picker module 540 is detected in the second direction (or reverse direction) when the falling of the tray pin is not lowered or pushed.

Accordingly, the tray / bar picker module 540 can detect the direction of the picked-up tray T based on the first and second directions of the tray detected by the tray direction detecting module 550, The direction of the trays stacked on each of the defective article stacking unit 700 and the dump tray stacking unit 800 is changed to the first and second directions (zigzag) in the first and second directions, (Zigzag).

The operation of the tray / bar conveying picker unit 500 will be described below.

First, when the LED module bar including the defective LED module bar is loaded on all the stacking areas of the reclassing tray that is seated on the tray supporting table of the reclassification stacking unit 340, the tray supporting table of the reclassing stacking unit 340 And is conveyed onto the defective article loading unit 700.

Then, the tray / bar picker module 540 is transferred onto the defective article stacking unit 700 by driving the tray / bar picker conveying unit 530.

Then, one or two good quality LED module bars loaded on the reclosing tray are picked up through the first and second pickup nozzles 545 and 546 of the tray / bar picker module 540.

After the tray / bar picker module 540 having been picked up by the tray / bar pick-up means 520 is lifted to a predetermined height, the tray / bar picker conveying means 530 And transfers the tray / bar picker module 540 to the upper portion of the dump tray loading unit 800 through driving.

Then, the tray / bar picker module 540 picked up by the good quality LED module is lowered by driving the tray / bar picker elevating means 520, thereby loading the good quality LED module bar onto the empty good quality tray.

After the tray / bar picker module 540 has been raised to a predetermined height by driving the tray / bar picker up / down unit 520, the tray / bar picker module 540 is moved to the defective tray 700, And then all the good LED module bars loaded on the reclosing tray are transferred to the dump tray loading unit 800 by repeating the above-described process.

When all the good LED module bars loaded on the reclassification tray are transferred to the dump tray stacking unit 800, the pick-up nozzle interval adjusting unit 547 of the tray / bar picker module 540 and the first and second pick- The distance and distance between the first and second pickup nozzles 545 and 546 are adjusted to the pickup position to pick up the reclassing tray through the driving of each of the nozzle transfer units 548 and 549, The tray for reclassing on which only the module bar is loaded is picked up and raised to a predetermined height.

Then, when the reclassification unit 340 is lifted to a predetermined height on the tray support table, the tray support table of the reclassification unit 340 is returned to the original position and returned to the module bar reclose position. At the same time, the tray for reclassing picked up in the tray / bar picker module 540 is transferred to the tray direction detecting area.

Next, the direction of the reclassing tray picked up by the tray / bar picker module 540 is detected through driving of the tray direction detecting module 550. Then, the direction of the tray stacked on the uppermost side of the defective stacking portion 700 is compared with the direction of the detected tray for reclassification, and the tray for reclassing 540 picked up by the tray / bar picker module 540, The direction of the light beam is maintained or changed. For example, when the direction of the stacked tray on the uppermost side of the defective stacking portion 700 is the first direction and the direction of the detected reclassing tray is the first direction, the tray / bar picker module 540 And rotates the direction of the reclassing tray picked up by the first and second pick-up nozzles 545 and 546 in the second direction through driving of the tray / bar picker rotating unit 542. In this case, a process of reconfirming the direction of the reclassing tray rotated in the second direction through the tray direction detecting module 550 may be further performed.

Then, the recoose tray is picked up in the tray / bar picker module 540 through the driving of the tray / bar picker conveying unit 530 and is stacked on the uppermost tray of the reject tray 700 .

Finally, after the tray for reclassing is lowered to a predetermined height according to the driving of the reject unit 700, when the tray support table of the reclassification unit 340 is transferred onto the reject unit 700, The tray / bar picker module 540 according to the driving of the tray / bar picker conveying unit 530 and the tray / bar picker elevating unit 520, Picks up the tray and places it on the tray support table of the reclassification part 340. Accordingly, the reclassification unit 340 returns the tray support table to which the empty tray is supplied by the tray / bar picker module 540 to the module bar reclassification position.

FIG. 16 is a perspective view for explaining the tray for discharging a good article shown in FIGS. 3 to 5. FIG.

Referring to Fig. 16 with Figs. 3 to 5, the good tray discharging unit 600 is configured to be capable of discharging the good tray supplied from the separating unit 300, that is, the good tray feeding picker unit 350 And the tray T1 is discharged to the outside. For this purpose, the good tray discharging unit 600 includes a conveyor supporting unit 610, a conveyor module 620, a conveyor rotating unit 630, a conveyor conveying unit 640, and a good tray detecting unit 650 .

As shown in FIG. 2, the conveyor supporting means 610 is installed on a lower surface of the second base plate 102 of the base frame to support the conveyor transfer unit 640. To this end, the conveyor support means 610 comprises a plurality of side walls 612, and a support plate 614.

The plurality of side walls 612 are disposed at regular intervals on the lower surface of the second base plate 102 to support the support plate 614. A support plate 614 is coupled to the lower surface of the plurality of side walls 612 to support the conveyor transfer unit 640.

The conveyor module 620 conveys the good tray T1 supplied from the good tray conveying picker portion 350 in the X axis direction and discharges the tray. To this end, the conveyor module 620 comprises a conveyor support frame 622, a pair of conveyors 624, a conveyor belt 626, and a conveyor drive unit 628.

The conveyor support frame 622 rotatably supports both sides of each of the pair of conveyors 624.

The pair of conveyors 624 are disposed in parallel to the conveyor support frame 622 at regular intervals to rotate the conveyor belt 626.

The conveyor belt 626 is installed so as to span between the pair of conveyors 624 to support the good tray T1. This conveyor belt 626 rotates in accordance with rotation of at least one of the pair of conveyors 624.

The conveyor drive unit 628 is installed on one side of the conveyor support frame 622 to rotate the conveyor belt 626 by rotating any one of the pair of conveyors 624. Accordingly, the good tray T1 supported by the conveyor belt 626 is conveyed in the X-axis direction in accordance with the rotation of the conveyor belt 626 and is discharged to the outside.

The conveyor rotation unit 630 rotates the conveyor module 620. To this end, the conveyor rotation unit 630 comprises a conveyor transfer frame 632, a rotary shaft 634, and a conveyor rotation motor 636.

The conveyor transfer frame 632 rotatably supports the rotary shaft 634.

The rotating shaft 634 is coupled to the conveyor support frame 622 of the conveyor module 620 and rotates the conveyor module 620 horizontally 90 degrees in a forward direction as the conveyor rotation motor 636 is driven The conveyor module 620 rotated 90 degrees in the normal direction is rotated 90 degrees in the reverse direction to return the conveyor module 620 to its original position.

The conveyor rotation motor 636 is installed on the conveyor transfer frame 632 to rotate the rotary shaft 634. [ At this time, the rotary motion of the conveyor rotation motor 636 may be transmitted to the rotary shaft 634 through a rotation transmitting member such as a gear or a belt.

The conveyor transfer unit 640 is installed in the conveyor support means 610 to linearly move the conveyor module 620 in the Y-axis direction. That is, the conveyor transfer unit 640 linearly moves the conveyor module 620 between the tray position for the good and the tray for the good. To this end, the conveyor transfer unit 640 is configured to include a pair of transfer guide rails 642, a conveyor transfer frame 644, a ball screw 646 for transferring the conveyor, and a motor 648 for transferring the conveyor .

A pair of conveying guide rails 642 are provided in parallel with both edge portions of the support plate 614 of the conveyor supporting means 610 to guide conveyance of the conveyor conveying frame 644 in the Y-axis direction.

The conveyor transfer frame 644 is transportably installed on the pair of conveyance guide rails 642 and is coupled to the lower surface of the conveyor transfer frame 632 of the conveyor rotation unit 630.

The conveyor conveying ball screw 646 is coupled to the lower surface of the conveyor transfer frame 644. The ball screw 646 for conveying the conveyor conveys the conveyor transfer frame 644 in the Y axis direction by rotating in accordance with the driving of the motor 648 for conveyor conveyance.

The conveyor transfer motor 648 is installed on the support plate 614 of the conveyor support means 610 so as to be coupled to one side of the conveyor conveying ball screw 646 to rotate the conveyor conveying ball screw 646.

The good-quality tray detecting unit 650 detects the presence or absence of the good-quality tray T1 which is provided on one side of each of the pair of conveyors 624 and supplied to the pair of conveyors 624. The good-quality tray detecting unit 650 is made up of a photosensor for detecting the presence or absence of the good-quality tray T1 to be supplied to the pair of conveyors 624 by transmitting and receiving the good-quality tray detecting light 652 .

The operation of the tray 600 for discharging a good article will be described as follows.

First, the conveyor module 620 is conveyed to the good tray supply position by driving the conveyor transfer unit 640.

Subsequently, it is detected through the above-described good-quality tray detecting unit 650 whether or not the good-quality tray T1 is seated on the conveyor module 620 by the good-quality tray transporting picker portion 350 of the sorting unit 300 do.

When the good-quality tray T1 is detected as being mounted on the conveyor module 620 by the good-quality tray detection unit 650, the conveyor module 620 is moved horizontally by driving the conveyor rotation unit 630 The direction of the good product tray T1 is changed to the direction of the X axis feed direction by rotating the feed tray T1 in the normal direction by 90 degrees.

Next, the conveyor unit 640 is driven to convey the conveyor module 620, on which the conveyor rotating unit 630 and the good tray T1 are placed, to the good tray discharge position.

Then, the conveyor module 620 is driven to convey the good tray T1 in the X-axis direction and discharge it to the outside.

The conveyor rotating unit 630 and the conveyor module 620 are transferred to the tray for supplying good goods to the conveyor rotating unit 630 through the driving of the conveyor conveying unit 640, The conveyor module 620 is rotated 90 degrees in the reverse direction through the driving of the conveyor module 630 and then waits until another good tray is seated on the conveyor module 620 by the good tray conveying picker portion 350 And if another good tray is seated in the conveyor module 620, the other good tray is discharged to the outside by performing the above-described process.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

100: base frame 200: optical inspection part
300: Classification unit 310: Module classification picker
320, 330: Good article loading part 340: Reclassing loading part
350: Good-quality tray transport pick-up part 400: Empty tray loading part
500: tray / bar conveying picker 510: tray / bar picker supporting means
520: tray / bar pick-up means 530: tray / bar pick-up means
540: tray / bar picker module 550: tray direction detecting module
600: Good tray discharging part 700: Dump tray loading part
800:

Claims (12)

An LED module bar sorting apparatus for inspecting and sorting a plurality of LED module bars including a plurality of LED packages mounted at regular intervals on a substrate and a plurality of lenses coupled to the substrate to cover the LED packages,
Wherein the plurality of LED module bars are simultaneously supplied to the plurality of LED module bars to simultaneously inspect the plurality of LED module bars to generate inspection information including a lens position on the substrate, An optical inspection unit for generating inspection information;
A sorting unit for picking up a plurality of LED module bars inspected in the optical inspection unit and sorting the picked up plurality of LED module bars into trays according to classification information based on the inspection information;
An empty tray loading portion on which an empty tray is loaded;
A tray / bar conveying picker portion for picking up an empty tray from the empty tray loading portion and supplying the empty tray to the sorting portion; And
And a good tray discharging unit for receiving a tray on which the good LED module bar is loaded from the sorting unit and discharging the tray to the outside,
Wherein the optical inspection unit includes: an inspection frame including a plurality of rotation bars for supporting the plurality of LED module bars; A module bar rotating module that rotates the plurality of rotating bars such that the front, first and second long sides of each of the plurality of LED module bars face upward; Frame transfer means for linearly moving the inspection frame; And a plurality of optical inspection units for imaging a plurality of LED module bars moved in the linear motion of the inspection frame to generate inspection information for each of the plurality of LED module bars,
Wherein a plurality of LED module bars are disposed in an inspection area of each of the plurality of optical inspection units. The method according to claim 1,
Wherein the inspection information includes a lens position on the substrate and whether or not the lens is tilted. delete delete delete The method according to claim 1,
Wherein the classifying unit classifies the good LED module bar and the bad LED module bar in the plurality of LED module bars according to the classification information based on the inspection information and stacks them on different trays. The method according to claim 6,
The plurality of LED module bars are divided into first and second groups,
Wherein the sorting unit classifies the first group of LED module bars and the second group of LED module bars into one pair. 8. The method of claim 7,
Wherein,
At least one good-quality mounting portion on which a good-quality tray for mounting a good-quality LED module bar is seated;
A reclassification loading section on which a recycling tray for loading the defective LED module bar and the good LED module bar is seated;
A module classification picker for picking up a plurality of LED module bars at the optical inspection unit at the same time and sorting the plurality of picked up LED module bars into the good product storage unit and the reclassification storage unit according to the classification information; And
And a good-quality tray transferring picker unit for transferring the good-quality tray to the good-quality tray discharging unit using a tray picker module for picking up a good-quality tray on which all the good LED module bars are loaded in the good- LED module bar sorting device. 9. The method of claim 8,
Wherein the good tray transporting picker unit places the good-quality tray picked up in the tray picker module on the good-quality tray discharging unit, and then rotates the tray picker module at a predetermined angle to transport the tray to the good- LED module bar sorting device. 9. The method of claim 8,
Wherein the good tray discharging portion horizontally rotates the direction of the good tray fed from the good tray feeding picker portion and discharges the tray to the outside. 9. The method of claim 8,
A dump tray stacking unit for stacking a plurality of dummy goody trays on which only good quality LED module bars reclassified in the reclassification storage unit are stacked; And
Further comprising a defective article loading section in which only a defective LED module bar is loaded and a plurality of reclassification trays which are seated in the reclassification mounting section are stacked,
The tray / bar conveying picker unit picks up the good quality LED module bar from the reclassing tray seated on the reclassification stacking unit, loads it on the empty good-quality tray, picks up the reclassing tray seated on the reclassification stacking unit And the LED module is mounted on the defective article loading unit. 9. The method of claim 8,
A defective article loading unit in which a plurality of defective article trays having only a defective LED module bar reclassed in the reclassification storage unit are stacked; And
Further comprising a dump tray stacking unit for stacking a plurality of reclassification trays on which only the good LED module bars are stacked and which are seated in the reclassification stacking unit,
The tray / bar conveying picker unit picks up the defective LED module bar from the reclassing tray that is seated in the reclassing stacker, loads it on the reject tray, picks up the reclassing tray seated in the reclassing stacker, And the stacking unit is mounted on the dump tray loading unit.

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