KR100376773B1 - Index machine for handler - Google Patents

Abstract

The present invention relates to an index apparatus for use in a handler, comprising: a test socket in which a device is mounted and a test is performed; A loading tray mounted at one side of the test socket to which devices to be tested are mounted; An unloading tray positioned on the other side of the test socket and configured to transfer and mount the devices tested in the test socket; Between the loading tray and the test socket and the unloading tray is installed so as to reciprocate, the operation of gripping the device of the loading tray to the test socket, holding the device of the test socket to transfer to the unloading tray to install A first holder portion and a second holder portion to be repeatedly performed; First and second horizontal drive means for horizontally reciprocating each of the first and second holder parts between the loading tray, the test socket and the unloading tray; And a first longitudinal axis driving means and a second longitudinal axis driving means for raising and lowering each of the first holder portion and the second holder portion separately in the loading tray, the test socket, and the unloading tray position.

Description

Index machine for handler

The present invention relates to an index apparatus for use in a handler, and more particularly to an index apparatus for a handler used for automatically mounting and withdrawing a device to a test socket in a horizontal handler.

In general, devices manufactured on the production line are tested to determine whether they are good or defective before shipping. The horizontal handler is a QFP, BGA, PGA, which is mainly a non-memory semiconductor package. This equipment is used to test various logic devices such as SOP, etc., and the device contained in the tray is transferred to the horizontal state between processes to perform the test in the horizontally placed test part, and then classified into several grades according to the test result and then placed into the tray again. To load.

In the test unit, the devices to be tested are temporarily mounted in the test socket and unloaded again in the tray after the test is performed for a predetermined time. Thus, the device to be tested is unloaded into the test socket and the test device of the test socket is unloaded. The indexing device is a device that automatically transfers and mounts the loading tray continuously.

This indexing device is one of the major factors for determining the time required for the device test of the handler. The recent indexing device is designed to minimize the indexing time, that is, the time required to transfer and mount the device to be tested by the indexing device to the test socket. The development is being done.

As developed for this purpose, there is one disclosed in Japanese Patent Application Laid-open No. Hei 10-82830 (March 31, 1998). The indexing device described here is used for loading and unloading members (devices) while two contact hands reciprocate in both directions. By sequentially performing the operation, the index time can be significantly reduced compared to the existing index apparatus without increasing the number of driving elements of the index apparatus itself.

However, the above-mentioned index apparatus is designed to transfer the device in both directions. In such an index apparatus, the member to be processed and the processed member are processed at each of two stages provided on each shuttle located at both sides of the apparatus. At the same time, it is necessary to separately configure a device for continuously supplying and taking out, the configuration of the supply and take-out device of such a member is very complicated and difficult, there was a problem that the overall configuration of the handler equipment rather complicated.

Accordingly, the present invention has been made to solve the above problems, and the configuration of the device can be simplified and the index time can be minimized, and the device can be easily tested without configuring a separate device supply / extraction device. It is an object of the present invention to provide an index device for a handler that can be achieved.

1 is a perspective view showing the shape of the index device according to the present invention, omitting some components

2A to 2D sequentially illustrate an example of the operation of the index apparatus of FIG. 1, and a schematic plan view of the index apparatus viewed from above.

Explanation of Reference Symbols in Major Parts of Drawings

11-Test Socket 12-Loading Tray

13-Unloading Tray 20-Frame

31-1st holder part 35-2nd holder part

32, 36-device holder 41-transverse drive motor

42-transverse drive rod 43-Support member

45-Support Plate 46-Guide Bar

47-Support Bearing 61-Longitudinal Drive Motor

62-longitudinal drive rod 63-lifting member

64-vertical

In order to achieve the above object, the present invention includes a test socket in which the device is mounted and the test is performed; A loading tray mounted at one side of the test socket to which devices to be tested are mounted; An unloading tray positioned on the other side of the test socket and configured to transfer and mount the devices tested in the test socket; Between the loading tray and the test socket and the unloading tray is installed so as to reciprocate, the operation of gripping the device of the loading tray to the test socket, holding the device of the test socket to transfer to the unloading tray to install A first holder portion and a second holder portion to be repeatedly performed; First and second horizontal drive means for horizontally reciprocating each of the first and second holder parts between the loading tray, the test socket and the unloading tray; It provides an indexing device for a handler comprising a first longitudinal drive means and a second longitudinal drive means for lifting up and down each of the first holder portion and the second holder portion in the loading tray, the test socket and the unloading tray position individually. do.

According to the index device of the present invention as described above, the device to be tested in the loading tray is transported and mounted to the test socket by the first holder and the second holder, and the tested device of the test socket is transferred to the unloading tray. By continually repeating the mounted work, the index time can be minimized, and the configuration of the handler equipment can be simplified since it does not need a separate device for supplying and extracting devices to the loading tray and the unloading tray. have.

Further, according to the present invention, each of the first horizontal drive means and the second horizontal drive means, the drive motor, and the lateral drive is connected to the drive motor is rotated by the operation of the drive motor and the thread is formed on the outer peripheral surface A support member which is screwed to the rod and the transverse shaft driving rod and is moved along the transverse shaft driving rod by the rotation of the transverse shaft driving rod, and the front portion of which is equipped with the first holder portion or the second holder portion, and the transverse shaft driving rod. And a guide member coupled to the support member so as to be parallel to the guide member to guide the lateral movement of the support member by the lateral drive rod.

Each of the first longitudinal drive means and the second longitudinal drive means includes a drive motor, a longitudinal drive rod that is connected to the drive motor and is rotated by a drive motor, and has a thread formed on its outer circumferential surface, and the longitudinal drive rod. A lifting member which is screwed to the lifting member to move up and down by rotating the longitudinal drive rod, and is coupled to the lifting member so as to interlock with the lifting member and to mount the first holder part or the second holder part on the front part thereof. And a guide member coupled to the support member to guide the vertical movement of the support member by the rotation of the longitudinal axis driving rod.

In addition, the present invention is the first holder portion or the second holder portion is located on top of the test socket during the test is performed, the second holder portion or the first holder portion to unload the already tested device, respectively after completion of unloading And the second transverse shaft driving means or the first transverse shaft driving means moves to the loading position.

Hereinafter, an embodiment of a handler indexing apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing the configuration of the index apparatus according to the present invention, in which a part of the index apparatus is omitted in order to clearly show the configuration of the apparatus.

As shown in FIG. 1, a test socket 11 on which a device is temporarily mounted and a test is performed is installed on a base (not shown) of the handler, and on one side of the test socket 11, a device to be tested is mounted. The loading tray 12 is transferred and disposed after passing through a predetermined process, and an unloading tray 13 in which the device tested in the test socket 11 is mounted is disposed at the other side of the test socket 11. The loading tray 12, the test socket 11, and the unloading tray 13 have a structure arranged in one direction on a base (not shown) of the handler.

The test socket 11 is formed at a lower position than the loading tray 12 and the unloading tray 13, and the loading tray 12 and the unloading tray 13 are phased in accordance with taking out and supplying the device. It is possible to move back and forth by a certain distance.

In addition, the loading tray 12 and the test socket 11 and the unloading tray 13 are arranged in an upper portion of the portion where the test socket 11 is installed (hereinafter referred to as 'X-axis direction'). A pair of frames 20 are installed to face each other, and the opposite inner portions of each of the frames 20 are installed to be reciprocated in the X-axis direction to grip and test the devices of the loading tray 12. With the socket 11, the first holder to alternately repeat the process of holding the device of the test socket 11, transported to the unloading tray 13, mounted, and then returning back to the loading tray 12 position. The part 31 and the 2nd holder part 35 are provided.

Here, the first holder part 31 and the second holder part 35 have the same number of device holders 32 and 36 as can be mounted on the test socket 11 at one time. Reference numerals 32 and 36 move up and down in the first holder part 31 and the second holder part 35 itself, and are capable of holding and releasing the device.

In addition, horizontal axis driving motors 41 for driving each of the first holder part 31 and the second holder part 35 are provided at one end of each of the frames 20, respectively. In the motor 41, a horizontal drive rod 42 having a thread formed on its outer circumferential surface is coupled in the X-axis direction so as to be rotated by the operation of the horizontal drive motor 41.

In addition, the supporting members 43 are screwed to each of the horizontal axis driving rods 42 so that the horizontal axis driving rods 42 rotate in a linear reciprocating direction in the X-axis direction, and the front surface of the supporting member 43 is rotated. The support plate 45 to which the first holder part 31 or the second holder part 35 is fixedly attached is coupled to the part so as to be movable up and down through the second L guide 44.

In addition, each frame 20 is provided with a guide bar 46 along the X-axis direction to guide the movement of the support plate 45 by the X-axis movement of the support member 43, the support plate ( 45 is provided with a pair of support bearings 47 coupled to the upper and lower surfaces of the guide bar 46.

On the other hand, the first holder portion 31 and the second holder portion 35 in the upper portion of the central portion of each frame 20, respectively, in the loading tray 12, the test socket 11 and the unloading tray 13 position A vertical axis drive motor 61 is installed to move up and down, and the vertical axis drive motor 61 is vertically connected with a vertical axis drive rod 62 having a thread formed on its outer circumferential surface. An elevating member 63 is provided to elevate up and down by the rotation of the longitudinal axis driving rod 62, and a first L guide 65 for guiding the up and down movement of the elevating member 63 is provided.

In addition, the elevating member 63 is coupled to the guide bar 46 via the vertical plate 64, and the guide bar 46 and the support bearing 47 are located along the shanghai of the elevating member 63. The support plate 45 coupled to the guide bar 46 is moved up and down by the medium, so that the first holder part 31 or the second holder part 35 is moved up and down. .

Hereinafter, the operation of the index device configured as described above will be described.

As shown in FIG. 2A, when the operation of the handler is started, the first holder part 31 of the indexing device is located directly above the loading tray 12, and the second holder part 35 is immediately above the unloading tray 13. It is located at. Of course, the reverse is also possible.

Subsequently, as the first holder part 31 descends by the operation of the longitudinal drive motor 61, the device holders 32 and 36 grasp the device to be tested on the loading tray 12 and then rise again, and then, as shown in FIG. 2B. As shown in the figure, the motor moves in the X-axis direction by the operation of the lateral drive motor 41 to move directly to the upper part of the test socket 11, and then descends by the operation of the longitudinal drive motor 61 to lower the device into the test socket ( 11) to perform the test.

At this time, the second holder part 35 located on the opposite side moves to the loading tray 12 in the X-axis direction by the operation of the transverse drive motor 41 and proceeds to the position immediately above the loading tray 12. After that, it descends, grabs the device to be tested, and waits.

On the other hand, as shown in Figure 2c, after a predetermined time for the test, the first holder unit 31 is raised again after holding the tested device, and then the first holder unit 31 is unloading tray After moving to (13), the lowered and gripped device is mounted in the unloading tray 13.

While the first holder part 31 moves from the test socket 11 toward the unloading tray 13, the second holder part 35 waiting at the loading tray 12 position is connected to the test socket 11. After the linear movement to the lower side is mounted to the device in the test socket 11 is lowered to perform the test, the first holder 31 is returned to the position of the loading tray 12 to repeat the above process. .

FIG. 2D illustrates a process in which the second holder part 35 is positioned on the test socket 11 and the first holder part 31 returns to the loading tray 11 position on the unloading tray 13.

Meanwhile, as described above, the second holder part 35 and the first holder part 31 intersect the first holder part 31 at the test socket 11 position during the movement, in which case the first holder part 31 is disposed. Alternatively, since the second holder part 35 is lowered toward the test socket 11, collision with another holder part passing through the test socket 11 is prevented and the smooth progression can be made.

Therefore, as described above, since the first holder part 31 and the second holder part 35 can mount the device to the test socket 11 continuously, the index time can be minimized.

Then, the loading tray 12 and the unloading tray 13 are moved back and forth step by step while the device is taken out and supplied by the first holder part 31 and the second holder part 35. The take-out and supply of the device are continuously and smoothly performed in the apparatus.

As described above, according to the present invention, the device is continuously supplied to the test socket by the two holder parts which hold and convey the device, thereby minimizing the index time.

In addition, the indexing apparatus of the present invention, since the transfer of the device is made in one direction only to load a single device, that is, the device to be tested or the device to be tested in one tray, it is necessary to configure a separate device take-out and supply device in the tray And thus simplify the configuration of the handler equipment.

Claims (4)

A test socket in which the device is mounted and the test is performed; A loading unit mounted to devices to be tested and positioned at one side of the test socket; An unloading unit positioned opposite to the loading unit with respect to the test socket, wherein the devices tested in the test socket are transported and mounted; A pair of frames installed opposite to each other across the upper portion of the test socket, the loading portion, and the unloading portion; It is installed to reciprocate and move up and down horizontally from one end of each frame to the other end individually, transfer the device of the loading unit to the test socket and connect it, and then transfer the tested device of the test socket to the unloading unit A pair of first holder parts and second holder parts configured to alternately repeat the operation of holding and waiting for a device to be tested by returning to the position of the loading part again along the frame; First horizontal axis driving means and second horizontal axis driving means installed in each of the frames to horizontally reciprocate each of the first holder portion and the second holder portion along the respective frames; A first longitudinal drive means and a second longitudinal drive means installed on each of the frames to individually lift the first holder part and the second holder part up and down at positions corresponding to the loading part, the test socket and the unloading part, respectively; Index device for handlers, including. The horizontal shaft drive rod of claim 1, wherein each of the first horizontal drive means and the second horizontal drive means comprises a drive motor and a horizontal drive rod connected to the drive motor to be rotated by the operation of the drive motor and having a thread formed on its outer circumferential surface. And a support member screwed to the transverse shaft driving rod and moved along the transverse shaft driving rod by the rotation of the transverse shaft driving rod, the front portion of which is equipped with the first holder portion or the second holder portion, and the transverse shaft driving rod. And a guide member coupled to the support member so as to be parallel to guide the lateral movement of the support member by a lateral drive rod. According to claim 1, wherein the first longitudinal drive means and the second longitudinal drive means, each of the drive motor, a longitudinal drive rod, which is connected to the drive motor perpendicular to the drive motor and rotated by a drive motor, the thread formed on the outer peripheral surface; An elevating member screwed to the longitudinal axis driving rod to move up and down by rotating the longitudinal axis driving rod, coupled with the elevating member, interlocked with the elevating member, and the first holder portion or the second holder portion at the front portion thereof; And a guide member coupled to the support member and configured to guide the vertical movement of the support member by the rotation of the longitudinal drive rod. delete