KR100295776B1 - device for carrying tray in sorting handler for burr-iu tester - Google Patents

Abstract

The present invention relates to a tray conveying device of a burn-in tester sorting handler, and as the device is filled in an empty tray located in the unloading part without the operator periodically loading the empty tray in the stacker of the unloading part. This is to allow continuous supply of empty trays.

To this end, in the sorting handler in which the tray stacking stackers 18 and 19 are installed in the loading unit 16 and the unloading unit 17, the guide rails 27 are installed in the stacking stacker of the loading unit and the unloading unit. A tray separating means for stacking the trays 28 mounted on the inside of the stacker or separating the stacked trays one by one from the stacker and placing the trays on the guide rails, and horizontally on one side of the stacking stacker of the loading part and the unloading part. A tray withdrawing means and a retracting means for moving the trays which are respectively installed to be movable and placed on the guide rails 27 of the loading part 16 to one side of the loading part 16 or placing the trays on the guide rails of the unloading part; It is composed of a transfer that is reciprocally installed between the tray take-out means and the take-in means to carry the tray 28 taken out of the tray take-out means to the tray take-in means.

Description

Device for carrying tray in sorting handler for burr-iu tester}

The present invention relates to a sorting handler used when testing electrical characteristics of a finished device, and more particularly, to unloading an empty tray after a device is completely loaded by a loading unit. The tray conveying apparatus of the burn-in tester sorting handler for conveying to the side.

1 is a plan view schematically showing the configuration of a sorting handler for a burn-in tester according to the related art, and FIG. 2 is a schematic view for explaining the operation of the transfer means in the handler for the burn-in tester according to the related art.

The burn-in board loader part 2 and the unloader part 3 are provided in the upper side of the main body 1, and the DC reject part 4, the tray loader part 5, and the DC test part 6 at one side thereof are installed. Y table 8 is provided with a turn return device portion 7 that rotates 90 ° on one side of the bottom surface, and an empty pocket portion 9 and a tray unloader portion 10 and sorting on one side thereof. The unit 11 is provided in order.

In addition, the upper part of the DC reject part 4, the tray loader part 5, and the DC test part 6 is provided with the first tool 12 which operates left, right, up, and down by a servo motor. On the upper side of the Y table 8 in which the 6 and the turn return device portion 7 are provided, the second tool 13 that is operated between the gaps is provided.

In addition, a third tool 14 that is operated between the gaps is provided at the upper portion of the Y table 8, the empty pocket portion 9, and the tray unloader portion 10, and the empty pocket portion 9 and the sorting portion ( On the upper side of 11), the fourth tool 15 which is operated between the gaps is provided.

Therefore, the tray filled with the device to be burned-in is placed in the tray loader part 5, and then the burn-in board with the burned-in tested device is inserted into the test socket in the burn-in board loader part 2.

When the burn-in board is located in the burn-in board loader unit 2 as described above, the burn-in board is located on the rotating plate (not shown) installed on the upper part of the Y table 8 and is coupled to the connector of the handler. It is conveyed to the Y table 8, and rotated 90 degrees by the turn return device part 7.

As described above, when the rotating plate rotates by 90 °, the ball screw is rotated by the sub-motor, so that the Y table 8 moves to the process line where the tools 12, 13, 14 operate. .

Therefore, the four devices plugged into the test socket of the burn-in board after the burn-in test are taken out at the same time by the tool No. 3 installed on the upper side, and the empty pocket part 9 or the tray unloader part 10 according to the grade. ), And the device determined to be defective is transferred from the empty pocket portion 9 to the sorting portion 11 by the fourth tool 15.

On the other hand, when the burn-in tested device inserted into the test socket of the burn-in board exits as described above, the first tool 12 operates four devices in the tray of the loader unit and transfers them to the DC test unit 6. The DC test is performed, and the device which was previously in the DC test unit is inserted into the test socket on the burn-in board by the tool 2 (13).

That is, the device that is plugged into the test socket of the burn-in board is the burn-in test is completed, and is transported and classified by the tool 3 and the tool 15 by the grade, the tool 3 and the tool 4 (15) When the device is pulled out of the test socket by 1), tools 1 and 2 (13) are operated in the empty space to insert another device to be tested again.

After all the devices are loaded from the tray located in the tray loader section 5 to the DC test section 6 in a repeated operation, the empty tray is moved to the rear of the loader section, and on the contrary, the tray unloader section 10 is located. After the tested good device is filled in the empty tray, a new empty tray should be placed in the unloader unit 10.

However, in the conventional sorting handler, only a stacker (not shown) for storing and storing empty trays at the rear of the loader part 5 and the unloader part 10 is installed on the stacker of the loader part 5. Since the empty tray to be loaded periodically to the stacker of the unloader unit 10 enables the continuous driving of the equipment, the automation of the equipment could not be realized.

If the operator does not load the empty tray in the stacker of the unloader unit 10, the operation of the equipment is stopped, and thus the operation rate of the expensive equipment is lowered.

The present invention has been made to solve such a problem in the prior art, the empty tray as the device is filled in the empty tray located in the unloading unit without the operator periodically loading the empty tray in the stacker of the unloading unit The purpose is to ensure that the supply of water is continued.

According to an aspect of the present invention for achieving the above object, in a sorting handler provided with a stacking stacker in the loading and unloading unit, stacking the tray mounted on the guide rail mounted on the stacking stacker of the loading and unloading unit A tray separating means for loading the loaded tray or separating the stacked trays from the stacker one by one and placing them on the guide rails, and each of the loading unit and the unloading unit may be horizontally movable on one side of the stacking stacker. A tray withdrawal means and an inlet means for taking out the tray mounted on the rail to one side of the loading part or placing the tray on the guide rail of the unloading part, and are reciprocally installed between the tray takeout means and the inlet means and are removed from the tray takeout means. Characterized in that the transfer is configured to transport the tray to the tray insertion means A tray conveying device of a burn-in tester sorting handler is provided.

1 is a plan view schematically showing the configuration of a sorting handler for a conventional burn-in tester

Figure 2 is a schematic diagram for explaining the operation of the transfer means in the sorting handler for a burn-in tester according to the prior art

Figure 3 is a perspective view showing a partially omitted sorting handler for the burn-in tester to which the present invention is applied

Figure 4 is a front view showing the sorting handler for the burn-in tester to which the present invention is applied

5 is a plan view of FIG.

6 is a perspective view of the tray stacking stacker located behind the loading unit and the unloading unit;

7 is a detailed view 'A' part of FIG.

8 is a partial longitudinal cross-sectional view for explaining the locking state of the opening and closing stacker;

9 is a bottom perspective view of a transfer for transferring a tray located on the loading side to the unloading side;

Figure 10 is a perspective view of the tray take-out means and retracting means is installed in close proximity to the tray stacking stacker installed in the loading and unloading unit to remove or insert the tray from the stacking stacker

FIG. 11 is a side view of a portion of FIG. 10 cut away. FIG.

12A to 16 are longitudinal cross-sectional views for explaining the operating state of the present invention.

12A is a state in which a plurality of trays are stacked in a stacker by a stopper cylinder of the loading unit;

FIG. 12B is a cross-sectional view taken along the line BB of FIG. 12A

13 is a state in which the lowering point is lowered to the bottom dead center by the simultaneous driving of the two-stage cylinder, the tray suspended from the lowermost on the guide rail

14 is a state in which the tray withdrawing means is transferred to the upper portion of the tray on the guide rail

15 is a state in which the lifting plate is lowered and the bottom surface is connected to the upper surface of the tray

16 is a state in which the tray withdrawing means is transferred to the upper portion of the transfer

Explanation of symbols for main parts of the drawings

16: loading unit 17: unloading unit

18, 19: stacked stacker 20: open and close stacker

27: guide rail 29: getting on and off

31: stopper cylinder 32: stopper

37: second slider 38: seating plate

43: first slider 47: lifting plate

48: bidirectional cylinder 49: feed block

50: finger 52: shock absorbing cylinder

55 sensor plate 56 sensor

Hereinafter, the present invention will be described in more detail with reference to FIGS. 3 to 16 as an embodiment.

6 is a perspective view of the tray stacking stacker located at the rear of the loading unit and the unloading unit. The structure of 19) is the same, only the structure of one side will be described and the same reference numerals will be given.

The opening and closing stacker 20, which is formed on one side of the stacking stacker 18, 19 on which the tray 28 is stacked, is installed to be opened and closed about the hinge 21 serving as a hinge as shown in FIG. The handle 22 is fixed to one side of the opening and closing stacker 20.

This is for easily putting or unloading the tray into the stacking stackers 18 and 19 of the loading unit 16 and the unloading unit 17.

The opening and closing stacker 20 is kept locked to the stacked stackers 18 and 19 by the locking means, and the locking means is a locking block 23 fixed to the bottom of the opening and closing stacker 20. And a housing 25 having a ball 24 fixed to the loading stacker and fitted into the recessed groove 23a of the locking block, and an elastic member such as a coil spring installed in the housing to push the ball outward. 26).

Therefore, when the opening and closing stacker 20 is locked to the stacking stacker 18 and 19, the ball 24 is fitted into the recessed groove 23a of the locking block 23, so that the opening and closing stacker 20 is vertical. Will be maintained.

In the stacking stacker 18 and 19, a tray 28 mounted on the guide rails 27 is placed in the stacker, or the stacked trays are separated from the stacker one by one and placed on the guide rails 27. Separation means are provided.

In one embodiment of the present invention, the tray separating means is provided with an elevating piece 29 mounted on the stacking stacker 18 and 19 so as to be elevated, and a two-stage cylinder installed on the stacking stacker to drive the elevating piece in two stages. 30, four stopper cylinders 31 opposed to the elevating piece, and the engaging grooves 28a of the tray 28 while moving forward and backward according to the driving of the stopper cylinders to hold or hold the tray. It is comprised by the stopper 32 which cancels | releases in a state.

As shown in FIG. 7, a guide piece 33 is fixed to one end of the elevating piece 29, and a bearing fitted into the groove 33a of the guide piece 33 in the stacking stacker 18, 19. 34) is fixed.

This is to ensure that one end of the elevating piece in a stable elevating movement during the elevating movement of the elevating piece 29 by the driving of the two-stage cylinder 30.

Fig. 9 is a bottom perspective view showing a transfer that is reciprocally installed between the tray takeout means and the takeout means to carry a tray taken out of the tray takeout means to the tray takeout means, wherein the tray transfer is placed between the tray takeout means and the takeout means; The vertical member 35 which is elongated, the second slider 37 which moves horizontally along the rodless cylinder 36 installed in the vertical member, and the tray fixed to the second slider and conveyed from the tray withdrawing means are placed. The paper is composed of a seating plate 38 and a positioning pin 39 for determining the position of a corner portion of the tray fixed to the seating plate.

The LM guide 40 is fixed to the vertical member 35, and the second slider 37 is fitted to the LM guide.

FIG. 10 is a perspective view of a tray extracting means and an extracting means installed in proximity to a tray stacking stacker installed in a loading unit and an unloading unit to remove or insert a tray from the stacking stacker. FIG. 11 is a cutaway view of a portion of FIG. 10. The side view shown.

The tray drawing-out means and the drawing-out means include a mounting plate 42 having a rodless cylinder 41 fixed thereto and a rear surface of the stacking stacker 18 and 19 and a horizontal movement in accordance with driving of the rodless cylinder. Lifting block 45 for lifting and lowering in response to the drive of the slider 43, the cylinder 44 installed in the first slider, an LM guide 46 for guiding the lifting and lowering motion of the lifting block, and the lifting block. The elevating plate 47 fixed and elevating together, the detecting means provided on the elevating plate to detect the tray, and installed opposite to both sides of the elevating plate so as to be inwardly moved in accordance with the driving of the bidirectional cylinder 48. It consists of a transfer block 49 which is lifted or opened and four fingers 50 which are fixed to the transfer block to hold the tray or release it from the holding state.

The spring 51 is fitted to the rod 44a of the cylinder 44 for elevating the elevating plate 47. Even if the elevating plate 47 is lowered more than the set range according to the driving of the cylinder 44, the elevating plate In the state where the bottom surface of the 47 is connected to the upper surface of the tray 28, the lowering of the elevating plate is stopped and only the spring 51 fitted to the rod 44a is compressed so that the elevating plate 47 and the tray 28 are impacted. This is to prevent this from being added.

In addition, both ends of the rodless cylinder 41 are provided with a shock absorbing cylinder 52 which absorbs shock when the first slider 43 is horizontally moved, and the mounting plate 42 is fitted with a first slider 43. The horizontal LM guide 53 is provided in parallel with the rodless cylinder 41.

The detection means for determining whether the tray 28 is in the seating plate 38 of the transfer according to the lowering of the elevating plate 47 is a sensor installed on the elevating plate 47 so as to be rotatable about the pin 54. It is composed of a plate 55, a sensor 56 which is installed in proximity to the sensor plate and detects it as the sensor plate is pressed by the tray, and a cover 57 that controls the excessive rotation of the sensor plate.

Figure 3 is a perspective view showing a part of the sorting handler for the burn-in tester to which the present invention is applied, Figure 4 is a front view showing a sorting handler for the burn-in tester to which the present invention is applied, Figure 5 is a plan view of FIG.

For reference, the operation of the sorting handler for the burn-in tester to which the present invention is applied is as follows.

First, in the loading unit 16, a tray 28b filled with a device to be tested is placed, and in the unloading unit 17, one empty tray 28c in which a device of tested good quality is placed is placed, and a loading picker is placed. After the (58) is moved along the X-axis main axis (59) to hold a plurality of devices from the tray, the burner picker (58) moves to the DC test unit (60) to load the held device into the test socket, so that burn-in The DC test of the device to be loaded on the board is done for a set time.

After the DC test of the device is performed in the DC test unit 60, the forking and unforking pickers 61 and 62 are moved along the X axis main axis 59 to the right in the drawing, and the forking picker 61 is a burn-in board. The device to be loaded into the test socket 63 of the DC test unit 60 is held and the unforking picker 62 holds the burned-in device on the burn-in board.

However, if any one of the DC-tested devices has a DC failure, only the unfortuned picker 62 is driven to take out only the burn-in tested devices from the test socket 63 of the burn-in board, and the forking picker 61 is a slider. While 64 is slightly moved to the right in the drawing, the DC-tested good device placed on the loading side buffer 65 is held.

When the DC test unit 60, which has been matched with the loading and unloading positions, is changed to match the sorting position by driving the DC test unit variable means 66 to take out the device in the DC test unit 60 during the above operation. The sorting picker 67 moves along the X-Y axis 68 to the sorting position side, and then simultaneously holds a plurality of devices from the test socket of the DC test unit 60 to determine the DC test result as a good device. Devices which are unloaded into the buffer 65 and which are defective in DC are sorted into the empty tray 28d of the sorting section 69 according to the grade.

On the other hand, when the device to be burned-in test is held in the forking picker 61 and the slider 64 is moved to the left in the drawing while the burn-in tested device is held in the unforking picker 62, the forking picker 61 burns in. It is located directly above the empty test socket of the board, and the unforking picker 62 is located directly above the buffer 70.

Accordingly, the device held by the forking picker 61 is loaded into the test socket 63 of the burn-in board, and the device held by the unforking picker 62 is placed in the buffer 70.

After the burn-in tested device is placed on the upper surface of the buffer 70, the device is unloaded into the empty tray of the unloading unit 17 by the unloading picker 71.

When there is a device that is determined to be bad among burned-in test devices among the devices placed in the buffer 70 during the above operation, when the unloading picker 71 holds only the device determined as good quality and moves to the unloading unit 17 side, Since the driving means (not shown) changes the buffer 70, which coincides with the unloading position, to the sorting position, the sorting picker 67 moves along the X-Y axis 68 to position the buffer at the sorting position. The defective device is held from 70, and then sorted into classes in the empty tray 28d located in the sorting section 69 for sorting.

If the device of the tested good quality is filled in the tray 28c which is located in the unloading unit 17 by the continuous operation as described above, the empty tray has to be transferred to the unloading position of the unloading unit 17. In the following, the operation of transferring the empty tray to the unloading position of the unloading unit 17 using the apparatus of the present invention will be described in detail.

12A to 16 are longitudinal cross-sectional views for explaining an operating state of the present invention, in which a plurality of trays are stacked in a stacker by a stopper cylinder 31 of the loading unit 16 as shown in FIG. 12A. When the cylinder 30 is driven at the same time, the elevating piece 29 is lowered to the bottom dead center, so that the lowermost tray 28 hanging on the stopper 32 is mounted on the guide rail 27 as shown in FIG. 13.

In this state, when the stopper 32 located in the locking groove 28a of the tray is pulled out by the driving of the stopper cylinder 31, the holding state of the tray is released.

Thereafter, the cylinder having the short stroke of the two-stage cylinder 30 is driven to raise the elevating piece 29 by one step (one tray height), and then the stopper which has been pulled out of the stopper by the reactivation of the stopper cylinder 31. When 32 is reduced to the initial state, the stopper holds the tray located second from the lowermost end as shown by a dashed line in FIG.

Therefore, when the cylinder having the long stroke of the two-stage cylinder 30 is driven to raise the elevating piece 29, the elevating piece 29 is raised to the top dead center so that one tray is positioned on the upper surface of the guide rail 27. .

As described above, the bearing 34 is fitted into the groove 33a of the guide piece 33 fixed to one end of the elevating piece 29 when the elevating piece 29 moves up and down by driving the two-stage cylinder 30. There is a lifting movement smoothly the lifting piece.

As such, after one tray 28 is separated from the stacking stacker 18 of the loading unit 16 and placed on the upper surface of the guide rail 27, the tray extracting means transfers to the inside of the stacking stacker 18. The transfer seating plate 38 located in the unloading section 17 is transferred to the loading section 16 by driving the rodless cylinder 36.

That is, when the rodless cylinder 41 is driven while the finger 50 of the tray extracting means is opened to both sides and the lifting plate 47 is located at the top dead center, the first slider 43 fitted to the LM guide 46 is provided. 5 is moved to the right side in the drawing as shown in Fig. 5 and 14 are located in the stacking stacker.

As described above, when the first slider 43 is transferred to the right side in the drawing, the shock absorbing cylinder 52 is installed at one side of the rodless cylinder 41 so that the impact is not applied to the lifting plate 47. do.

After the first slider 43 is transferred as described above, the cylinder 44 for lowering the lifting plate 47 is driven, and the lifting plate 47 fitted to the rod 44a of the cylinder is lowered to the bottom dead center. Thereby, the bottom surface of the elevating plate 47 is connected to the upper surface of the tray 28 mounted on the guide rail 27 as shown in FIG.

At this time, since the transfer block 49 installed on the elevating plate 47 is open to both sides, the finger 50 does not interfere with the tray 28.

When the lifting plate 47 lowered by the driving of the cylinder 44 in the operation is lowered more than the set amount, the lifting plate 47 is in contact with the tray 28 and is not lowered, and thus the rod 44a of the cylinder 44 is not lowered. Only the rod is lowered while the spring 51 is inserted into the ()) so that the impact is not applied to the tray 28 and the lifting plate (47).

After the elevating plate 47 descends to the bottom dead center by the above-described operation, the sensor plate 55 of the detection means exposed to the bottom surface of the elevating plate 47 is pressed against the upper surface of the tray 28 to center the pin 54. Since the sensor 56 installed on the elevating plate 47 detects the sensor plate 55, the bidirectional cylinder 48 installed on the elevating plate 47 is driven to move upward. Since 49 is retracted inwards, four fingers 50 are inserted into the locking grooves 28a formed at the side of the tray 28 at the same time as indicated by the dashed line in FIG.

After the finger 50 holds the tray 28 mounted on the guide rail 27 as described above, the lifting plate 47 lowered to the bottom dead center ascends to the top dead center by re-driving the cylinder 44 and the first slider ( As shown in FIG. 5, 43 is retracted from the stack stacker to the left in the drawing as shown in FIG. 5, so that the tray 28 suspended from the bottom surface of the elevating plate 47 is located on the upper surface of the seating plate 38 of the transfer. Will be located.

In this state, when the lifting plate 47 descends to the bottom dead center by driving the cylinder 44 as in the case of holding the tray, the tray 28 suspended by the finger 50 is placed on the upper surface of the seating plate 38. At this time, the positioning pin 39 is fixed to the upper surface of the seating plate 38 so that the tray 28 is correctly placed on the seating plate 38.

After the tray 28 is placed on the seating plate 38 as described above, the bidirectional cylinder 48 is driven to open the transfer block 49 to both sides to release the holding state of the tray. By driving, the tray 28 on the loading unit 16 side is moved to the position of FIG. 9 while being placed on the seating plate 38.

That is, the tray 28 is located on the seating plate 35 of FIG. 5.

As described above, when the tray 28 mounted on the seating plate 38 is transferred to the unloading portion 17 side, the lifting plate 47 of the tray retracting means is placed on the stacking stacker 19 of the unloading portion 17. Since it exits to the outside and waits, the tray 28 mounted on the seating plate 38 is located directly below the lifting plate 47.

Accordingly, the tray 28 mounted on the seating plate 38 is held by the driving of the bidirectional cylinder 48 while the lifting plate 47 is lowered by the driving of the cylinder 44 in the same operation as that of the tray withdrawing means. Next, the cylinder 44 is driven to the top dead center again.

After that, when the rodless cylinder 41 is driven, the lifting plate 47 holding the tray 28 is moved along the LM guide 46 to the left side of FIG. 5, and thus the tray 28 suspended on the lifting plate 47. ) Is positioned in the stacking stacker 19 of the unloading section 17.

In this state, after the elevating plate 47 is lowered to the bottom dead center by the driving of the cylinder 44, the bidirectional cylinder 48 is re-driven to spread the four fingers 50 at both sides simultaneously to hold the tray 28. Since the lifting plate 47 is lifted to the top dead center, the lifting plate 47 comes out of the stacking stacker 19 by re-operation of the rodless cylinder 41, and a new tray is placed on the guide rail of the stacking stacker. It will wait to be released.

However, if there is an empty tray on the guide rail 27 of the stacking stacker 19 installed at the rear of the unloading section 17, the empty tray should be loaded on the stacking stacker 18 of the loading section 16. .

To this end, when the empty tray is transported directly below the stacking stacker by a conveying means, the cylinder having the long stroke among the two-stage cylinders 30 is driven so that the bottom surface of the tray stuck to the stopper 32 is guide rail 27. It is connected to the tray mounted on the upper surface of the.

In this state, when the stopper 32, which has been moved inward by the drive of the stopper cylinder 31, moves outward at the same time, the stopper 32 is released from the locking groove 28a, thereby releasing the locking state of the tray.

Then, when another stopper cylinder having the short stroke of the two-stage cylinder 30 is driven to move the stopper 29 at the bottom dead center, the stopper cylinder 31 simultaneously drives the stopper 32 to the tray ( It is inserted in the engaging groove 28a formed in the 28 to hold the tray on the stacking stack at the same time. In this state, when the two-stage cylinder 30 rises to the top dead center at the same time, the empty tray is located at the rear of the loading unit 16. It is loaded in the installed stacker 18.

Accordingly, when the device is filled in the tray located in the unloading position of the unloading unit 17 without all of the devices loaded from the tray located in the loading position of the loading unit 16, By the same operation, it is understood that one empty tray can be separated from the stacking stacker 18 of the loading unit 16 and transferred to the unloading position side of the unloading unit 17.

As described above, the present invention provides a device in the loading unit 16 without loading the empty tray 28 in the stacking stacker 18 and 19 installed at the rear of the loading unit 16 and the unloading unit 17. By automatically loading the empty tray to the unloading unit 17 side continuously to hold the device of the tested good quality, it becomes possible to realize the automation of the equipment.

Claims (13)

A sorting handler in which a stacking stacker is installed in a loading unit and an unloading unit, wherein the tray mounted on the stacking stacker of the loading unit and the unloading unit is loaded on the guide rail in the stacker, or the stacked tray is loaded from the stacker. A tray separating means for separating the pieces and placing them on the guide rails and horizontally movable on one side of the stacking stacker of the loading part and the unloading part, and taking out the trays on the guide rails of the loading part to one side of the loading part, or A tray withdrawal means and an inlet means for placing the tray on the guide rail of the loading unit, and a transfer unit reciprocally installed between the tray withdrawal means and the inlet means for transporting the tray taken out of the tray withdrawal means to the tray inlet means; Tray transport of burn-in tester sorting handler. The method of claim 1, Loading and unloading unit Open and close stacker is formed on one side of the stacking stacker, a hinge provided to the hinge of the loading stacker and the opening and closing stacker, and the opening and closing stacker from the stacking stacker The tray conveying device of the burn-in tester sorting handler, characterized in that the lock means for locking the further. The method of claim 2, The locking means includes a housing having a locking block fixed to the bottom of the opening and closing stacker, a ball fixed to the loading stacker and fitted into the recess groove of the locking block, and an elastic member installed in the housing to push the ball outward. Tray conveyer of the burn-in tester sorting handler, characterized in that made. The method of claim 2, Tray transport apparatus of the burn-in tester sorting handler, characterized in that the handle is fixed to the opening and closing stacker. The method of claim 1, The tray separating means includes an elevating piece mounted on the stacking stack so as to be elevated, a two-stage cylinder mounted on the stacking stack to drive the elevating piece in two stages, four stopper cylinders opposed to the elevating piece, and the stopper. The tray conveying apparatus of the burn-in tester sorting handler which consists of a stopper which hold | maintains a tray while moving forward and backward according to the drive of a cylinder, or it releases from a holding state. The method of claim 5, And a guide piece fixed to one end of the elevating piece and a bearing installed in the stacking stacker and inserted into the groove of the guide piece. The method of claim 1, The tray take-out means and the draw-in means are provided with a mounting plate on which a rodless cylinder is fixed and installed at the rear of the stacking stacker, a first slider horizontally moved in accordance with the driving of the rodless cylinder, and a drive of the cylinder provided on the first slider. A lifting block for lifting and lowering, an LM guide for guiding the lifting movement of the lifting block, a lifting plate fixed to the lifting block, and lifting in accordance with the driving of the cylinder, and detection means for detecting the tray provided on the lifting plate. And, opposite to the opposite side of the elevating plate is installed at the same time as the two-way cylinder to move inwards or retracted, open the transfer block, and the four fingers fixed to the transfer block to hold the tray, or released from the holding state Tray transporter of the burn-in tester sorting handler, characterized in that configured. The method of claim 7, wherein A tray conveying device for a burn-in tester sorting handler, characterized in that a shock absorbing cylinder is provided at both ends of a rodless cylinder to absorb shocks when the first slider is moved horizontally. The method of claim 7, wherein A tray conveying device for a burn-in tester sorting handler, characterized in that a horizontal LM guide fitted with a first slider on an installation plate is installed in parallel with a rodless cylinder. The method of claim 7, wherein The detecting means includes a sensor plate installed on the elevating piece so as to rotate about a pin, a sensor installed near the sensor plate to detect the sensor plate as it is pressed by the tray, and a cover for controlling excessive rotation of the sensor plate. Tray transporter of the burn-in tester sorting handler, characterized in that configured. The method of claim 7, wherein A tray conveying device for a burn-in tester sorting handler, wherein a spring is fitted to a rod of a cylinder for elevating a lifting plate. The method of claim 1, The tray transfer includes a vertical member which is elongated between the tray withdrawing means and the withdrawing means, a second slider that moves horizontally along the rodless cylinder provided on the vertical member, and is fixed to the second slider and transferred from the tray withdrawing means. A tray conveying apparatus for a burn-in tester sorting handler, comprising: a seating plate on which a tray is placed; and a positioning pin configured to determine a position of a corner portion of the tray fixedly mounted on the seating plate. The method of claim 12, The LM guide is fixed to the vertical member, the tray conveying apparatus of the burn-in tester sorting handler, characterized in that the guide block fixed to the second slider is fitted to the LM guide.