KR102568868B1 - Stacker for electronic device test handler and electronic device test handler comprising that - Google Patents

Abstract

In the present invention, a frame, a plurality of stacker modules configured to be opened and closed by horizontal movement from the frame, a first loading unit provided in each of the plurality of stacker modules and configured to stack and load a plurality of user trays, a plurality of It is provided in the buffer stacker and the buffer stacker provided on the upper side of the stacker module, and is configured to transmit and receive the user tray with the first loading unit in the vertical direction, and even when the stacker module is opened, the distribution of the user tray is carried out inside the buffer stacker. It relates to a stacker of an electronic component test handler including a plurality of second loading units configured to be possible, and an electronic component test handler including the same.
The stacker of the electronic component test handler according to the present invention and the electronic component test handler including the same can continuously supply user trays even while exchanging user trays with the outside, thereby preventing the test handler from stopping operation due to exhaustion of user trays, thereby stably There is an effect that can be operated as

Description

Stacker of electronic component test handler and electronic component test handler including it

The present invention relates to a stacker of an electronic component test handler and an electronic component test handler including the stacker.

An electronic component test handler is a device that inspects a plurality of electronic components, for example, semiconductor devices, modules, and SSDs after they are manufactured. The electronic component test handler connects the electronic component to the test device, artificially creates various environments, inspects whether the electronic component operates normally, and classifies and classifies the electronic component into good, retested, and defective products according to the test result.

Electronic component test handlers perform logistics by exchanging user trays loaded with devices to be tested or devices to be tested with the outside, and logistics must be performed with the outside at appropriate intervals to ensure continuous inspection.

Regarding such a test handler, Korean Registered Patent No. 1,734,397 (registered on May 2, 2017), filed and registered by the present applicant, is disclosed.

However, such a conventional test handler has a problem in that when the stacker is opened for performing logistics with the outside, electronic components are not supplied from the stacker inside the test handler, so that the internal logistics of the handler may be stopped.

Korean Registered Patent No. 1,734,397 (registered on May 2, 2017)

The present invention is to provide a stacker of an electronic component test handler that can continuously perform logistics of electronic components internally even during logistics with the outside in the above-described conventional electronic component test handler, and an electronic component test handler including the same. There is a purpose.

As a means of solving the above problems, a frame, a plurality of stacker modules configured to be horizontally moved from the frame and opened and closed, and a first stack provided in each of the plurality of stacker modules and configured to stack and stack a plurality of user trays It is provided in the buffer stacker and the buffer stacker provided on the upper side of the unit, a plurality of stacker modules, and is configured to transmit and receive user trays with the first loading unit in the vertical direction, and even when the stacker module is opened, the user tray inside the buffer stacker. A stacker of an electronic component test handler including a plurality of second loading units configured to be able to transfer may be provided.

Here, the buffer stacker may further include a transfer configured to grip the user tray and transfer it in vertical and horizontal directions.

In addition, the buffer stacker further includes a plurality of set plates configured to elevate the seated user trays, and the transferer transfers the user trays between the second loading unit and the set plate and transfers the user trays between the plurality of second loading units. It can be driven by including a transport path in a horizontal direction so that the tray can be transported.

On the other hand, at least a portion of the first loading unit and the second loading unit are a loading stacker on which a user tray for supplying electronic components requiring testing is loaded and an unloading stacker on which a user tray for collecting tested electronic components is loaded. It can be configured to function.

In addition, the first loading unit and the second loading unit may be configured to determine the number of loading stackers and unloading stackers according to a user's selection.

In addition, the moving path of the transfer can be controlled to change according to the user's selection of the loading stacker and the unloading stacker.

On the other hand, the second loading unit is configured to support the user tray loaded in the second loading unit, and may further include a holder configured to be opened when the user tray is exchanged between the first loading unit and the second loading unit. there is.

Here, the holder is provided on the lower side of the second loading unit, and may be configured to selectively protrude onto the moving path of the user tray by rotation.

Meanwhile, the stacker module may further include a first loading unit elevating unit configured to elevate the user tray loaded on the first loading unit.

In addition, the first loading part elevating unit may be driven by including an lifting operation so that the position of the bottom surface of the lowermost user tray becomes equal to or greater than the installation position of the holder provided in the upper second loading unit.

Meanwhile, each of the plurality of first loading units and the plurality of second loading units may further include a sensor unit provided at a lower side to check whether or not the loaded user trays are exhausted.

Meanwhile, the first loading unit and the second loading unit may further include guides extending in a vertical direction at a plurality of points around the user trays so that the stacked user trays may be supported in a horizontal direction.

Meanwhile, the stacker module includes a slider configured to be slidable on the frame, and may further include an actuator configured to open and close the stacker module according to a user's input.

Also, in the plurality of stacker modules, the number and location of loading stackers and unloading stackers may be determined according to a user's selection.

Additionally, an electronic component test handler including the aforementioned stacker may be provided.

The stacker of the electronic component test handler according to the present invention and the electronic component test handler including the same can continuously supply user trays even while exchanging user trays with the outside, thereby preventing the test handler from stopping operation due to exhaustion of user trays, thereby stably There is an effect that can be operated as

In addition, since the function of each loading unit for loading the user tray is not determined during design and the function can be set as needed, the degree of freedom in operation can be increased.

1 is a conceptual diagram in which an electronic component test handler according to the present invention is divided into spaces according to functions.
FIG. 2 is a conceptual diagram in which the main body of the test handler of FIG. 1 is divided according to functions on a plane.
3 is a conceptual diagram illustrating movement of a device and a test tray in a test handler body.
4 is a partial perspective view of a stacker of an electronic component test handler according to the present invention.
FIG. 5 is an enlarged perspective view showing some configurations of FIG. 4 in an enlarged manner.
6 is an operating state diagram showing the transfer of the user tray between the first loading unit and the second loading unit.
7 is a conceptual diagram illustrating the operation concept of a stacker during logistics between a first loading unit and the outside.
8 is a conceptual diagram showing logistics inside the stacker.

Hereinafter, a stacker of an electronic component test handler according to an embodiment of the present invention and an electronic component test handler including the stacker will be described in detail with reference to the accompanying drawings. In addition, in the description of the following embodiments, the name of each component may be called a different name in the art. However, if they have functional similarity and identity, even if a modified embodiment is employed, it can be regarded as an equivalent configuration. In addition, signs added to each component are described for convenience of description. However, the contents of the drawings in which these symbols are written do not limit each component to the scope in the drawings. Likewise, even if an embodiment in which the configuration in the drawings is partially modified is employed, it can be regarded as an equivalent configuration if there is functional similarity and identity. In addition, in light of the level of a general technician in the relevant technical field, if it is recognized as a component that should be included, the description thereof will be omitted.

Hereinafter, a device will be described on the premise that it means a device that electrically performs a function, such as a semiconductor device, a semiconductor module, or an SSD. In addition, hereinafter, a user tray means a tray in which a plurality of loading grooves configured to load semiconductor devices are configured in a regular arrangement, and the loading grooves of the user tray are configured so that devices are settled inside the grooves by gravity without a separate fixing function. Let me explain on the premise that it can be.

Hereinafter, the overall configuration of the test handler according to the present invention will be described with reference to FIGS. 1 to 3 .

1 is a perspective view of a test handler according to the present invention.

As shown in FIG. 1 , the test handler 1 according to the present invention is configured to carry in a device 20 from the outside, perform a test, and selectively take the device 20 outside according to the grade.

The test handler 1 moves a stacker and a device 20 for bringing in or taking out a plurality of user trays 10 from the outside according to spatial functions from the user tray 10, carries out a test, and then performs a test by grade. It can be divided into the test handler body 100, which is an area to be classified and loaded into the user tray 10.

The stacker 2 refers to an area in which a large amount of user trays 10 can be stacked. The stacker may be classified into a loading stacker, an unloading stacker, and an empty stacker according to the loaded device 20 .

The loading stacker is configured to load the user tray 10 loaded with devices 20 requiring testing and classification. The loading stacker is configured to a size that can be loaded in units of 1 lot in which a plurality of user trays 10 brought in from the outside are stacked. The unloading stacker is configured to stack a plurality of user trays 10 loaded with devices 20 for carrying out of the devices 20 that have been tested and sorted before carrying them out in units of 1 lot. The empty stacker is configured so that a plurality of empty user trays 10 can be stacked, and after the transfer of the device 20 is completed from the loading stacker, the empty user tray 10 is transferred or the empty user tray 10 is transferred to the unloading stacker. The user tray 10 may be configured to be transportable.

Meanwhile, the loading stacker, the unloading stacker, and the empty stacker may be classified according to logistics with the outside, logistics within the test handler 1, and loading purposes, but their configurations may be the same or similar to each other.

Each stacker module 500 may be configured to vertically stack and stack a plurality of user trays 10 for efficient use of space. In addition, each stacker module 500 is configured to be opened and closed by moving horizontally in the y-direction of FIG. 1, and logistics with the outside is performed at a location carried out to the outside. For example, a plurality of user trays 10 may be transferred from an automatic guided vehicle (AGV) to a loading stacker, or an automatic guided vehicle may retrieve a plurality of user trays 10 from an unloading stacker.

In addition, the stacker 2 may be configured with a plurality of loading stackers, unloading stackers, and empty stackers, respectively, and internal logistics may be continuously progressed even while any one of them is logistics with the outside.

Hereinafter, the configuration and operation of the test handler body 100 will be schematically described with reference to FIGS. 2 and 3 .

FIG. 2 is a conceptual diagram of the test handler body 100 of FIG. 1 divided according to functions on a plane, and FIG. 3 is a conceptual diagram showing the movement of the device 20 and the test tray 130 in the test handler body 100. .

In the test handler body 100, a plurality of devices 20 are tested, the devices 20 are classified after the tests, and the devices 20 may be transported and loaded in the process before and after the test. The test handler body 100 may be classified functionally by including a loading site (L), a test site (T), and an unloading site (UL).

The loading site L is configured to pick up a plurality of devices 20 from the user tray 10 and place them on the test tray 130 . The loading site L may be provided with a hand 110 for transferring the device 20 from the user tray 10 to the test tray 130, a loading shuttle 120, and a scanner (not shown) for inspection. .

User trays 10 loaded on the loading stacker may be alternately supplied to the pick-up position one by one, and a hand 110, which will be described later, takes out only the plurality of devices 20 from the user tray 10 and transfers them. When all loaded devices 20 are transferred, the empty user tray 10 and the user tray 10 loaded with devices are exchanged and configured to continuously supply the devices 20 . On the other hand, at the pick-up position, a plurality of user trays 10 are provided so that devices 20 can be continuously supplied even when all of the user trays 10 loaded in any one stacker module 500 are consumed or when there is a malfunction. may be exposed. In this case, when the device 20 is being transferred from one user tray 10, another user tray 10 may be configured to stand by in a standby state or be replaced with a new user tray 10.

The hand 110 is configured to pick up and transfer a plurality of devices 20 and then load them onto the test tray 130 or the loading shuttle 120 . A plurality of hands 110 may be configured to be in charge of logistics for each transfer section. The hand 110 can be installed on a rail capable of horizontal movement on the upper side, is configured so that the attachment can look downward, and is provided with a linear actuator (not shown) so that the length can be adjusted in the vertical direction. can For example, the attachment may be provided with a plurality of vacuum ports to vacuum-adsorb the plurality of devices 20 . In addition, the attachment may be configured to be replaced in consideration of the type, size, and shape of the device 20 .

Meanwhile, the test tray 130 is provided with an insert for each loading groove in consideration of thermal deformation during fixing of the device 20 and performance of the test, and the interval between the loading grooves may be different from that of the user tray 10 . In general, the interval between loading grooves of the test tray 130 is configured to be larger than that of the user tray 10 . Therefore, after the plurality of devices 20 are picked up from the user tray 10 at the pick-up position using the hand 110, the distance between the devices 20 is widened and loaded on the test tray 130. Specifically, two interval adjustments may be performed to increase the interval in two directions of x-y, and for this purpose, a loading shuttle 120 is provided between the pickup position and the test tray 130, and the loading shuttle from the user tray 10 It is possible to adjust the distance in one direction while transferring to 120, and to adjust the distance in the other direction while transferring from the loading shuttle 120 to the test tray 130.

The loading shuttle 120 is provided between the user tray 10 and the test tray 130, and the interval between the loading grooves is such that the plurality of devices 20 can be loaded in a primarily aligned state so that the user tray 10 It may be configured as an array that is wider in one direction than the other. Also, the positions of the loading shuttle 120 may be controlled in consideration of the positions of the user tray 10, the test tray 130, and the hand 110 for logistics efficiency.

A scanner (not shown) is provided to identify the barcode if there is a barcode on the device 20 to be transferred. A scanner (not shown) may be configured to recognize a barcode on a path on which the hand 110 picks up and transports the device 20 . The scanner may be provided in various positions to facilitate barcode recognition according to the shape, size, and type of the device 20 .

At the place position, an empty test tray 130 is supplied, and the device 20 is transported and loaded. When the loading of the device 20 is completed at the place position, the test tray 130 is transferred to the test site T, and a new empty test tray 130 is supplied.

On the other hand, although not shown, a mask and a precisionr configured to prevent separation of the device 20 after the device 20 is seated on the test tray 130 may be provided at the place position. . As described above, the test tray 130 is provided with an insert for each loading groove, and each insert is provided with a locking portion capable of preventing the device 20 from being separated. The basic position of each hooking part is set to a position preventing the device 20 from being separated.

The device 20 is loaded on the test tray 130 by extending the hooking part of the insert with a mask in a state where the insert is pressed with a presizer, and the hand 110 transfers the device 20 to the loading groove.

The mask is configured in a shape corresponding to the test tray 130 and includes a plurality of protrusions 312 to expand the hooking portion of each insert when in close contact with the test tray 130 .

As described above, the presizer is configured to temporarily fix the insert provided in the test tray 130 in a somewhat spaced state. The presizer is provided with a plurality of pressure pins corresponding to the positions of each insert, and while the presizer adheres to the test tray 130, the insert can be pressurized and temporarily fixed to the test tray 130. Therefore, when the device 20 is seated on the insert, positional errors can be minimized.

However, although not shown, an elevating unit for independently elevating the mask and the presetter may be additionally provided.

The test site T is configured to perform a test on the plurality of devices 20 loaded on the test tray 130 in units of the test tray 130 and to transmit test results. In the test chamber 160, for example, a thermal load test may be performed to check the function of the device 20 by changing the temperature of the device 20 to ??40°C to 130°C.

The test site T may include a test chamber 160 and a buffer chamber 150 provided before and after the test chamber 160 . The buffer chamber 150 is configured to be loaded with a plurality of test trays 130, and may be configured to perform preheating or postheating before and after performing the thermal load test.

At the test site T, the test tray 130 may be configured to be transported and tested while the test tray 130 is erected, thereby reducing the overall size of the equipment. Meanwhile, although the configuration is not shown in detail, an inverter 140 may be provided at the front and rear of the buffer chamber 150 to change the posture of the test tray 130 to an upright state.

The unloading site UL is configured to classify, transfer, and load the devices 20 from the test tray 130 transferred from the test site T according to test results. The unloading site UL may include elements similar to those of the loading site L, and may be performed in the opposite order to the transfer of the device 20 at the loading site L. However, at the unloading site UL, a plurality of sorting shuttles 170 may be provided to temporarily collect the test trays 130 according to grades. In order to improve logistics efficiency, when a predetermined number of devices 20 of the same grade are loaded on the sorting shuttle 170, a plurality of devices 20 may be simultaneously picked up and transferred to the user tray 10.

On the other hand, although not shown, the empty test tray 130 after the transfer of the device 20 at the unloading site UL may be circulated while being transferred to the loading site L side.

In addition, although not shown, a control unit for controlling driving of the aforementioned components may be provided separately.

Hereinafter, the stacker according to the present invention will be described in detail with reference to FIGS. 4 to 8 .

4 is a partial perspective view of the stacker of the electronic component test handler 1 according to the present invention, and FIG. 5 is an enlarged perspective view showing some components of FIG. 4 in an enlarged manner.

As shown, the stacker according to the present invention may be configured to continuously supply or retrieve the device 20 from the lower side of the base 101 of the test handler body 100. The stacker may include a stacker module 500 and a buffer stacker 300.

The stacker module 500 is composed of a plurality, and each may be independently opened and closed so that the user tray 10 can be exchanged with the outside. The plurality of stacker modules 500 may be provided in a number corresponding to the second loading unit 310 inside the buffer stacker 300 to be described later in a 1:1 ratio. The stacker module 500 may be configured to be opened while moving in a horizontal direction. The stacker module 500 includes a frame 200, a first loading unit 510, a first loading unit elevation 520, a slider 530, a linear actuator 550, a guide 610, a sensor unit 620 And it may be configured to include a door (540).

The frame 200 may be configured to form an overall skeleton.

The first loading unit 510 refers to a space in which a plurality of user trays 10 can be loaded in a stacked state. The first loading unit 510 may be loaded with 1 lot, which is a unit that is exchanged with an external user tray 10 transportation means, for example, a robot at a time. However, since the number of user trays 10 constituting 1 lot may vary depending on the type of device 20, a detailed description of the example will be omitted. Meanwhile, the space of the first loading unit 510 may be formed to correspond to the shape and size of the user tray 10 .

The first loading unit elevating unit 520 is configured to vertically elevate the plurality of user trays 10 . The first loading unit elevation unit 520 may include a support plate 521 , a support unit 522 , and an elevation driving unit 523 . The support plate 521 is configured to support the user tray 10 loaded on the first loading unit 510 upwardly. The support plate 521 has a size that does not cause interference by the protrusion 312 when moving between the first loading part 510 and the second loading part 310 even when the protrusion 312 of the holder 311 is closed. can be configured. The support part 522 is provided on the frame side and may be configured to support the lower surface of the support plate 521 when the stacker module 500 is closed. The lift driver 523 is connected to the support 522 to move the support 522 in the vertical direction. The elevation driving unit 523 may be configured to enable height adjustment of the support unit 522 from the lower side of the first loading unit 510 to the lower side of the second loading unit 310 .

The slider 530 may be provided on the lower side of the stacker module 500 so that the stacker module 500 can be slid and moved relative to the frame 200 . A plurality of sliders 530 may be configured to stably support the stacker module 500, and may also constrain the stacker module 500 to be moved to a predetermined reciprocating position.

The linear actuator 550 is configured to move the stacker module 500 in a horizontal direction. One side of the linear actuator 550 is connected to the frame 200 and the other side is connected to one side of the stacker module 500 so that the stacker module 500 can be opened and closed according to an input. However, in this embodiment, although the linear actuator 550 has been described as an example, it may be modified and applied in various configurations for reciprocating movement of the stacker module 500.

The guide 610 is configured to prevent the user tray 10 from being separated from the first loading unit 510 in a state in which the plurality of user trays 10 are stacked. The guide 610 is formed to extend vertically at a plurality of points along the circumference of the first loading part 510 . For example, two guides 610 adjacent to each corner of the user tray 10 may be provided, and a total of eight guides 610 may be provided. The length of the guide 610 may be extended to a length that does not deviate in the lateral direction when the user tray 10 is exchanged with the second loading unit 310 . That is, a separation distance between the upper end of the guide 610 of the first mounting unit 510 and the upper second mounting unit 310 may be shorter than the thickness of the user tray 10 .

The sensor unit 620 may be configured to determine whether the user tray 10 is present in the first loading unit 510 and whether or not the loading is complete. The sensor unit 620 may be configured to determine the presence or absence of the user trays 10 positioned at the uppermost and lowermost sides when the user trays 10 are loaded on the first loading unit 510 . When it is sensed that the user tray 10 is present from the uppermost sensor, it is determined that the loading of the user tray 10 in the first loading unit 510 is completed, and subsequent operations may be controlled. On the other hand, when it is sensed that the user tray 10 is not present from the lowermost sensor, it is determined that the first loading unit 510 is empty, and subsequent operations may be controlled. On the other hand, when the user tray 10 is measured by the lowermost sensor when it is loaded from the outside in units of 1 lot, it can be determined that the user tray 10 is full in the first loading unit 510, and vice versa. When the tray 10 is not measured, it can be determined that the first loading part 510 is exhausted and empty. Meanwhile, the above-described sensor unit 620 may be applied in various configurations capable of determining the presence or absence of the user tray 10 at a spaced apart point, such as a laser sensor, an infrared sensor, or an ultrasonic sensor.

The door 540 is configured to shield the outside when the stacker module 500 moves inside the stacker and is inserted.

The buffer stacker 300 is provided above the stacker module 500. The buffer stacker 300 is configured such that logistics of the user trays 10 can be continuously performed from the inside even when the logistics of the user trays 10 are performed with the outside of each stacker module 500 . The buffer stacker 300 may include a second loading unit 310, a guide 610, a sensor unit 620, a holder 311, a transfer 410, and a set plate 320.

Like the first loading unit 510, the second loading unit 310 may also be defined as a space in which the user tray 10 can be loaded. The second loading unit 310 is configured to transmit and receive the first loading unit 510 and the user tray 10 downward. The second loading unit 310 may be configured in the same number as the number of stacker modules 500 described above and provided side by side on the upper side of the stacker module 500 .

Meanwhile, the guide 610 and the sensor unit 620 may be provided in the second mounting unit 310 in the same configuration as the first mounting unit 510 described above. However, the guide 610 may be provided with a length similar to the height at which 1 lot is loaded.

The transfer 410 is configured to grip and transfer the user tray 10 inside the buffer stacker 300 . The transfer 410 is composed of a plurality, and may include at least one transfer 410 involved in loading and one or more transfers 410 involved in unloading. A plurality of actuators (not shown) may be provided in the transfer 410 to enable horizontal and vertical movement. The transfer 410 may be controlled to transfer the user tray 10 between one of the second loading units 310 and one of the set plates 320 . In addition, logistics of the user tray 10 may be controlled to be performed between the second loading units 310 . The transfer 410 may be controlled to take out the user trays 10 one by one from the upper side of the second loading unit 310 or, conversely, to stack the user trays 10 one by one on the lower side.

The set plate 320 is configured to expose the transferred user tray 10 to the test handler body 100 . The set plate 320 is configured to be lifted while the user tray 10 is loaded, and when it is raised, the hand 110 of the test handler body 100 moves to a position where the device 20 can be picked up. , When descending, the transfer unit 410 may move to a position where the user tray 10 can be replaced. A plurality of set plates 320 may be provided at the loading site L and the unloading site UL.

The holder 311 may be configured to selectively pass or support the user tray 10 between the second loading unit 310 and the first loading unit 510 . A pair of holders 311 may be provided on each of the second loading parts 310 , and each holder 311 may include a protrusion 312 . When the holder 311 rotates, the protrusion 312 may be configured asymmetrically along the rotational direction so as to selectively interfere with the moving path of the user tray 10 . The protrusion 312 may be configured to substantially support the lower surface of the user tray 10 . The lower side of the second loading unit 310 has a frame 200 through which the user tray 10 can come in and out, and is configured so that the user tray 10 can pass through when the holder 311 is opened. The holder 311 may include a protrusion 312 that protrudes onto the moving path of the user tray 10 between the first loading unit 510 and the second loading unit 310 when it is closed. When the holder 311 is opened, the protruding portion 312 rotates so that interference does not occur on the moving path of the user tray 10 .

Hereinafter, the operation of the stacker according to the present invention will be described with reference to FIGS. 6 to 8.

6 is an operating state diagram illustrating the transfer of the user tray 10 between the first loading unit 510 and the second loading unit 310. Referring to FIG. As shown, when the user tray 10 is transferred from the first loading unit 510 to the second loading unit 310, while supporting the stacked user trays 10 on the first loading unit 510 side, the upper side will be transported to

Looking at the operation of the first loading unit elevating unit 520 and the holder 311, 1 lot of user tray 10 is loaded on the first loading unit 510 from the outside and the stacker module 500 is inserted into its original position. (FIG. 6(a)). In this state, it may wait until the user tray 10 loaded in the second loading unit 310 is exhausted. When the user tray 10 is exhausted in the second loading unit 310, the holder 311 is opened (FIG. 6(b)). Thereafter, the stacked user trays 10 are raised to the second loading unit 310 by raising the first loading unit elevating unit 520 (FIG. 6(c)). At this time, the elevation height of the first loading unit elevation unit 520 may be determined as a position where the height of the bottom surface of the lowermost user tray 10 is higher than the support height of the holder 311 . Thereafter, the holder 311 is closed to prevent the user tray 10 from returning to the first loading unit 510 (FIG. 6(d)). After that, when the first loading unit elevating unit 520 is lowered, the lower surface of the loaded user tray 10 is supported by the holder 311, and the entire stacked user tray 10 is moved to the second loading unit 310. ), and the first loading unit lifting unit 520 is returned to its original position, completing preparations for loading a new user tray 10 from the outside (FIG. 6(e)). At this time, by minimizing the difference between the height of the upper surface of the first loading unit elevating unit 520 and the support height of the holder 311, shock when handing over the user tray 10 can be minimized.

On the other hand, although not shown, when the user trays 10 that have been tested on the unloading side are to be carried out, control is performed in reverse order to the above-described order to move the plurality of user trays 10 from the second loading unit 310. It can be transferred to the first loading unit 510 .

7 is a conceptual diagram illustrating the operation concept of a stacker during logistics between the first loading unit 510 and the outside. As shown in FIG. 6(e), when the first loading unit 510 is empty, the user tray 10 can be supplied from the outside. At this time, even if the stacker module 500 is opened, the user tray 10 remains in the second loading unit 310 inside the buffer stacker 300, and the user tray 10 can be continuously supplied to the set plate 320 therefrom. there will be On the other hand, when the supply cycle of the user tray 10 from the outside becomes longer, the first loading unit 510 and the second loading unit 310 for supply are arranged in two or more rows so that the user tray 10 is provided in one row. When all are exhausted, the user tray 10 loaded in another row can be used. In this case, when the user tray 10 is supplied from the outside, the plurality of stacker modules 500 may be simultaneously loaded. However, although not shown, even when the user tray 10 needs to be taken out, the user tray 10 can be independently stacked on the second loading unit 310 even while the stacker module 500 is opened and closed. do.

8 is a conceptual diagram showing logistics inside the stacker. As shown, the stacker according to the present invention includes a first loading unit and a second loading unit 310 in one row, and may include a plurality of rows of loading units. In each column, the first loading unit 510 and the second loading unit 310 are configured to exchange the user tray 10 (①) and from the second loading unit 310 to the set plate 320 The user tray 10 may be transferred (②), and conversely, the user tray 10 may be transferred from the set plate 320 to the second loading unit 310 (③). Also, if necessary, the user tray 10 may be transferred between the second loading units 310 (④). Here, in the first loading unit 510, even if the user tray 10 is transported through various routes inside the buffer stacker 300 described above, the stacker module 500 is individually opened and closed so that logistics can be performed with the outside. . Meanwhile, each loading unit provided in the stacker module 500 and the buffer stacker 300 may be set to freely perform loading, unloading, and empty functions by user input.

As described above, the stacker of the electronic component test handler according to the present invention and the electronic component test handler including the stacker module can independently perform logistics of the external and user trays even while exchanging user trays with the outside, , there is an effect of stably operating the test handler by preventing the operation of the test handler due to exhaustion of the user tray.

In addition, since the function of each loading unit for loading the user tray is not determined during design and the function can be set as needed, the degree of freedom in operation can be increased.

1: Test Handler 2: Stacker
10: user tray 20: device
100: test handler body 101: base
110: hand
120: loading shuttle 130: test tray
140: reverse
150: buffer chamber 160: test chamber
170: sorting shuttle
L: loading site T: test site
UL: Unloading Site
200: frame
300: Buffer Stacker 500: Stacker Module
310: second loading unit
311: holder 312: protrusion
320: set plate 410: transfer
510: first loading unit 520: first loading unit elevation
530: slider 540: door
610: guide 620: sensor unit

Claims (15)

frame;
A plurality of stacker modules configured to be horizontally moved from the frame and independently opened and closed;
first loading units provided in each of the plurality of stacker modules and configured to stack and stack a plurality of user trays;
a buffer stacker provided on an upper side of the plurality of stacker modules and including a plurality of second stacking parts arranged in a horizontal direction;
a plurality of set plates provided in the buffer stacker;
a plurality of transfers provided in the buffer stacker;
a slider configured to connect the stacker module relatively horizontally with the frame;
a linear actuator configured to open and close the stacker module by moving it horizontally from the frame; and
It is provided in the second loading unit and is rotatably configured to pass the user tray between the first loading unit and the second loading unit or to support the user tray loaded in the second loading unit. including a holder,
The linear actuator,
Driven to horizontally move the stacker module while transferring the user tray between the second loading unit and the set plate or transferring the user tray between the second loading units,
The first loading unit moves the stacker module so that the robot and the user tray can be exchanged outside the frame,
After the exchange of the first loading unit, the robot, and the user tray is completed outside the frame, the stacker module is inserted into the frame where the user tray can be exchanged between the first loading unit and the second loading unit, ,
The first loading unit and the second loading unit are a loading stacker loaded with a user tray for supplying electronic parts that need to be tested according to a user's selection, and an unloading stacker loaded with a user tray for collecting tested electronic parts. It is configured to function as a stacker, an empty stacker in which empty user trays are loaded,
The plurality of transfers,
Each of the user trays is transferred from the second loading unit to one of the set plates, from one of the set plates to the second loading unit, or from any one of the second loading units to the other set plate. It is controlled to transfer to the second loading unit,
The movement path is controlled to be changed according to the user's selection of the loading stacker, the unloading stacker, and the empty stacker for the second loading unit,
The stacker of the electronic component test handler configured to continuously transfer the user tray inside the buffer stacker even when the stacker module is opened and logistics between the robot and the user tray is performed. delete delete delete delete delete delete According to claim 1,
the holder,
The stacker of the electronic component test handler, characterized in that it is provided on the lower side of the second loading unit and is configured to selectively protrude onto the moving path of the user tray by rotation. According to claim 1,
The stacker module,
The stacker of the electronic component test handler, characterized in that it further comprises a first loading unit elevating unit configured to elevate the user tray loaded in the first loading unit. According to claim 9,
The electronic component test, characterized in that the first loading part elevating unit is driven by including an operation of lifting so that the position of the bottom surface of the lowermost user tray becomes equal to or greater than the installation position of the holder provided in the second loading part at the upper side. The handler's stacker. According to claim 9,
The plurality of first loading parts and the plurality of second loading parts,
The stacker of the electronic component test handler, characterized in that it further comprises a sensor unit provided on the lower side to check whether the user trays each loaded are exhausted. According to claim 9,
The first loading part and the second loading part,
The stacker of the electronic component test handler, characterized in that it further comprises a guide extending in the vertical direction from a plurality of points on the circumference of the user trays so that the stacked user trays can be supported in the horizontal direction. delete delete frame;
A plurality of stacker modules configured to be horizontally moved from the frame and independently opened and closed;
first loading units provided in each of the plurality of stacker modules and configured to stack and stack a plurality of user trays;
a buffer stacker provided on an upper side of the plurality of stacker modules and including a plurality of second stacking parts arranged in a horizontal direction;
a plurality of set plates provided in the buffer stacker;
a plurality of transfers provided in the buffer stacker;
a slider configured to connect the stacker module relatively horizontally with the frame;
A linear actuator configured to open and close the stacker module by horizontally moving it from the frame; And
It is provided in the second loading unit and is rotatably configured to pass the user tray between the first loading unit and the second loading unit or to support the user tray loaded in the second loading unit. including a holder,
The linear actuator,
Driven to horizontally move the stacker module while transferring the user tray between the second loading unit and the set plate or transferring the user tray between the second loading units,
The first loading unit moves the stacker module so that the robot and the user tray can be exchanged outside the frame,
After the exchange of the first loading unit, the robot, and the user tray is completed outside the frame, the stacker module is inserted into the frame where the user tray can be exchanged between the first loading unit and the second loading unit, ,
The first loading unit and the second loading unit are a loading stacker loaded with a user tray for supplying electronic parts that need to be tested according to a user's selection, and an unloading stacker loaded with a user tray for collecting electronic parts that have been tested. It is configured to function as a stacker, an empty stacker in which empty user trays are loaded,
The plurality of transfers,
Each of the user trays is transferred from the second loading unit to one of the set plates, from one of the set plates to the second loading unit, or from any one of the second loading units to another set plate. It is controlled to transfer to the second loading unit,
The movement path is controlled to be changed according to the user's selection of the loading stacker, the unloading stacker, and the empty stacker for the second loading unit,
The electronic component test handler configured to continuously transfer the user tray inside the buffer stacker even when the stacker module is opened and logistics between the robot and the user tray is performed.

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