KR100555066B1 - A loading/unloading equipment of memory module - Google Patents

Abstract

The present invention relates to an apparatus for automatically loading and unloading a memory module in a memory test apparatus.

A memory module auto loading / unloading apparatus according to the present invention is a memory module test apparatus having a testing set having a slot in which a memory module is installed, wherein the slot of the testing set has a rod shape having a long module engaging groove. A module storage stand provided on one side of the plurality of memory modules; A module supply unit installed at a lower portion of the module storage unit and dropping and supplying memory modules stored in the module storage unit one by one; It is installed on one side of the module reservoir, and is supported on the guide plate and horizontally moved toward the module reservoir by the rotation of the ball screw rotated by the motor, and installed on both sides of the front and rear transfer plate and the pneumatic A module picker consisting of two side holders which are moved left and right by the two sides to support both ends of the memory module, and a V holder having a V-shaped groove installed in the center of the front and rear transfer plate and into which the memory module is fitted; At least one module mounting table having a rod-shaped module engaging groove having a module locking means installed at a lower end thereof, the memory module being installed at one side of the module picker and separated and transferred from the module picker; A module installed in the lower part of the module mounting table to move up and down by driving an air cylinder to push up the transferred memory module upward so that the memory module is caught and loaded on the module mounting table by the module locking means installed at the bottom of the module mounting table. Lifting trays; It is configured to install a conveyor line on the pulley to rotate by the drive of the motor, and comprises a module conveying device installed to extend from the module reservoir to the module loading table.

Memory, Test, Loading, Unloading, Module Picker, Module Stacker

Description

A loading / unloading equipment of memory module

1 is a plan view illustrating an example of a memory test apparatus having a memory module loading / unloading apparatus according to the present invention;

2 is a front view showing an example of a memory test apparatus having a memory module loading / unloading apparatus according to the present invention with some components removed;

3 is a plan view illustrating a module picker included in a memory test apparatus according to the present invention;

Figure 4 is a cross-sectional view showing the module catching means provided on the bottom of the mounting table of the memory test apparatus according to the present invention.

* Description of symbols on the main parts of the drawings *

100: testing set 10: module storage

11: module supply 11a: pneumatic

11b: module latch 20: module picker (picker)

21: side holder 22: front and rear transfer plate

22a: locking pin 23: guide

24: ball screw 25: motor

26: V holder 30, 50: module loading table

31: module latching means 31a: locking plate

31b: spring 40, 60: module lifting tray

42, 63: air cylinder 71, 72: pulley

80: conveyor line 81: motor

The present invention relates to an apparatus for automatically loading and unloading a memory module of a memory test apparatus, and more particularly, to automatically loading and loading a memory module to be tested in a slot of a test set for testing whether memory is defective or not. The present invention relates to a device for automatically loading and unloading a memory module of a memory test device capable of unloading.

With the development of electrical and electronic technologies, many kinds of devices including memory modules have been developed and provided.

A device such as a memory or non-memory semiconductor device is composed of independent circuits by soldering and fixing a plurality of ICs and other devices on a single board. Going through.

A device used for such a test is a memory test device, in which the memory module must be manually inserted into a test set having a slot into which the memory module is inserted, and then manually disconnected after the test is completed. I can't test a lot of memory modules.

The present invention has been made in order to solve the above-mentioned conventional problems, the memory module is automatically inserted into the slot of the mast set, the memory module that can be sorted and loaded automatically according to whether there is an abnormal memory module It is an object of the present invention to provide an automatic loading / unloading device of a memory module of a test device.

An object of the present invention is a memory module test apparatus having a testing set having a slot in which a memory module is installed, the module engaging groove is formed in a rod shape formed in the long side of the provided slot of the testing set a plurality of A module storage stand for storing a memory module; A module supply unit installed at a lower portion of the module storage unit and dropping and supplying memory modules stored in the module storage unit one by one; It is installed on one side of the module reservoir, and is supported on the guide plate and horizontally moved toward the module reservoir by the rotation of the ball screw rotated by the motor, and installed on both sides of the front and rear transfer plate and the pneumatic A module picker consisting of two side holders which are moved left and right by the two sides to support both ends of the memory module, and a V holder having a V-shaped groove installed in the center of the front and rear transfer plate and into which the memory module is fitted; At least one module mounting table having a rod-shaped module engaging groove having a module locking means installed at a lower end thereof, the memory module being installed at one side of the module picker and separated and transferred from the module picker; A module installed in the lower part of the module mounting table to move up and down by driving an air cylinder to push up the transferred memory module upward so that the memory module is caught and loaded on the module mounting table by the module locking means installed at the bottom of the module mounting table. Lifting trays; It is configured by installing a conveyor line on a pulley rotating by the drive of the motor, by the memory module auto loading / unloading device, characterized in that it comprises a module transfer device installed to extend from the module storage rack to the module loading table Is done.

Hereinafter, an example of a memory module auto loading / unloading apparatus according to the present invention configured as described above will be described in detail with reference to the accompanying drawings.

1 is a plan view showing an example of a memory test apparatus having a memory module loading / unloading apparatus according to the present invention, and FIG. 2 is a part of an example of a memory test apparatus having a memory module loading / unloading apparatus according to the present invention. 3 is a plan view illustrating a module picker provided in the memory test apparatus according to the present invention, and FIG. 4 is a module provided at the bottom of the mounting table of the memory test apparatus according to the present invention. It is sectional drawing which shows the locking means.

As shown, the memory module auto loading / unloading device according to the present invention is installed on one side of the memory test set of the memory module test device.

The loading / unloading device may include a module storage rack 10 in which memory modules are stacked and stored, a module feeder 11 for taking out memory modules stored in the module storage rack 10 one by one, and the module. And a module picker 20 for inserting the memory module taken out of the storage rack 10 into the slot of the memory test set or detaching from the slot.

The module storage table 10 is installed on one side of the slot configured in the memory test set as shown in Figs. 1 and 2, and when viewed in plan view, " ?? " The long bars having the shape are disposed to face each other, and the memory modules are inserted and stored in the grooves formed on the surfaces facing each other.

The module feeder 11 is installed at both sides of the lower end of the module storage stand 10 so that only the memory module located at the lowermost end of the memory modules stored in the module storage stand 10 is dropped from the module storage stand 10. Supply to the picker 20.

As shown in the drawing, the module feeder 11 includes a module catching member 11b that moves horizontally and a pneumatic compressor 11a that moves the module catching member 11b horizontally.

The module latch 11b is installed with the end portion facing the module holder 10 protruding into the module holder 910 so that the lower portion of the memory module stacked in the module holder 10 is installed. It is supported so that the memory module is not separated from the module storage 10, the horizontally moved by the pneumatic pressure supplied to the air compressor (11a) end toward the inside of the module storage 10 is the module storage 10 The memory module falls down from the module storage unit 10 by allowing it to enter and exit from the inner surface of the module.

Memory modules falling one by one by the module feeder 11 are held by the module picker 20.

The module picker 20 includes two side holders 21 and one front and rear transfer plate 22 as a means for moving a memory module into a slot of a test set and inserting the slot into a slot.

The side holders 21 have a long rod shape bent by the letter "L" as shown in Figures 3 and 4 as a means for holding and holding both ends of the memory module, and the front and rear conveyance so that the jaws face each other It is provided in the board | plate 22 so that a movement to left and right is possible.

In addition, the side holders 21 are provided with engaging pins 22a fitted into grooves formed at both ends of the memory module, so that even when the side holders 21 are moved by the movement of the front and rear transfer plates 22, the memory modules are moved. The state held by this side holder 21 is maintained.

The side holders 21 are installed to move left and right on the front and rear transfer plate 22 as described above, and move in a direction closer to or farther from each other.

That is, the side holders 21 are closer to each other to support both ends of the memory module with the bent jaw, and the memory modules fall down by being farther from each other.

The operation of the side holder 21 may be performed by supplying or discharging air to the air cylinder by installing the side holder 21 in an air cylinder (not shown) installed at one side of the front and rear transfer plate 22. The actuating means can be easily modified and detailed description thereof will be omitted.

The front and rear conveying plate 22 is supported by the guide 23 fixed to both sides of the bottom surface is reciprocated in the direction toward the module storage (10).

The means for moving the front and rear conveying plate 22 is a ball screw 24 rotated by the motor 20.

That is, the front and rear conveying plate 22 is formed by forming a hole through which the ball screw 24 penetrates in the bottom of the front and rear conveying plate 22 and penetrating the ball screw 24 to rotate the ball screw 24. This could be moved.

The V holder 26 is provided in the center of the front and rear conveying plate 22.

The V holder 26 serves to push the interruption portion of the memory module, and a V-shaped groove is formed in which the interruption of the memory module can be inserted.

One side of the module storage 10 is provided with a module loading table (30, 50).

The module loading racks 30 and 50 have the same structure as the module storage rack 10 as a means for storing the memory module after the test is completed.

However, unlike the module storage table 10, since the memory module is fitted from the top to the bottom, the module catching means 31 is installed to facilitate this.

As shown in FIG. 3, the module catching means 31 is provided with a catching plate 31a inside the lower ends of the module mounting tables 30 and 50, but the catching plate 31a is supported by elasticity and upwards from below. The memory module can be easily pushed up, and the pushed up memory module is not allowed to go down.

That is, the memory module is easily pushed upward by forming the inclined portion toward the center of the module mounting bases 30 and 50 under the locking plate 31a constituting the module locking means 31.

One of the module stacks 30 and 50 is a portion for loading a normal memory module, the other is a portion for loading an abnormal memory module, and the selection of the memory modules loaded on them is tested in a memory test set. As a result, the moving time of the thing judged to be normal and the moving time of the thing judged to be abnormal were made to load only the normal memory module in one loading stand and only the abnormal memory module in the other.

That is, when the normal memory module is loaded on the module loading table 30 in the center and the abnormal memory module is loaded on the module loading table 50 on the right side in FIGS. 1 and 2, the module from the module storage table 10 is loaded. By measuring the time it takes for the memory module to move up to the loading table 30 and driving the module transfer device described later only during this time, the module lifting tray 40 to be described later is operated so that all the normal memory modules are module loading tables. 30 is loaded.

The loading of the abnormal memory module is loaded in the module loading table 50, and in this case, the time taken for the memory module to be moved from the module storage table 10 to the module loading table 50 in the same manner as the normal memory module loading. After driving the module transport apparatus described later only during this time, by operating the module lifting tray 40 to be described later all the normal memory modules are loaded on the module mounting table (50).

The module transfer device is installed to extend from the module storage table 10 to the module loading table 50.

The module transfer device is constructed by installing a conveyor line 80 between a pulley 71 that is rotated by a motor 81 and a pulley 72 provided on the opposite side of the pulley 71.

As shown in FIG. 1, the pulleys 71 and 72 are installed on the rotation shaft of the motor 81 or the rotation shaft of another pulley connected to the motor 81, each having two semicircular grooves formed on the outer circumferential surface thereof. Two Kenvey lines 71 are installed, and the distance between the conveyor lines 71 is wider than the width of the module lift trays 40 and 60 which will be described later.

In other words, the thin conveyor belt is formed without forming the kenvey line 71 as having a long plate shape, so that the module lifting trays 40 and 60 can be lifted between the conveyor lines 71.

As shown in FIG. 2, the module lifting trays 40 and 60 push upward the memory modules transferred to those installed in the module mounting tables 30 and 50 among the spaces between the conveyor lines 71. It is a means for raising the module mounting table (30, 50).

The module lifting trays 40 and 60 are installed to be movable up and down as described above, and a moving means for moving up and down is installed at the center lower portion thereof.

As the moving means for elevating the module elevating trays 40 and 60, the air cylinders 42 and 63 for elevating the module elevating trays 40 and 60 may be used as the shaft is expanded and contracted as the air moves in and out. Such moving means can be easily modified and carried out, and a detailed description thereof will be omitted.

Hereinafter, the operation of the memory module auto loading / unloading apparatus according to the present invention configured as described above will be described in detail.

First, a memory module is inserted into the module storage rack 10 from above so that a plurality of memory modules are stored in the module storage rack 10.

When the device is activated, the module picker 20 is operated to move the front and rear conveying plate 22 to the module reservoir 10 side, so that the side holder 21 is located under the module reservoir 10, and the module feeder ( 11) is driven so that the module latch 11b moves outward from the inside of the module storage rack 10.

The memory module stored in the module storage table 10 is lowered by its own weight, and the lowermost memory module is seated so as to be caught in a jaw formed inside the side holders 21, and the module picker 20 as a whole. Moves to the test set 100 side.

At this time, the V holder 26 formed at the center of the front and rear transfer plate 22 pushes the interruption of the memory module, and the memory module is inserted into the slot installed in the test set 100.

When the test of the memory module is finished in the slotted state, the module picker 20 operates in reverse to start moving away from the test set 100, and the side holders 21 are formed in grooves formed at both ends of the memory module. The memory module is moved while the locking pins 22a installed in the state are caught, and when the position of the memory module reaches below the module storage table 10, that is, on the conveyor line 80, the side holders 21 are separated from each other. The memory module, which was operated in the direction and supported by the side holders 21, falls down and falls on the conveyor line 80.

At the same time, the motor 81 constituting the module transfer device is driven to operate the conveyor line 80 to move the memory modules toward the module loading stages 30 and 50.

The module feeder stops after being driven for a preset time, and the module lift trays 40 and 60 are lifted by the air cylinders 42 and 63 while the feeder is stopped to push up the memory module.

Both ends of the memory module pushed up by the module lifting trays 40 and 60 move upward along the inclined surface of the catching plate 31a of the module catching means 31 installed at the bottom of the module loading table 30 or 50 and then catch. It is caught by the upper surface of the plate 31a and mounted inside the module mounting tables 30 and 50.

As described above, the memory module is classified into normal and abnormal, and loaded into the stacks 30 and 50. As described above, a time for transferring the module between the module stack 10 and the respective module stacks 30 and 50 is transferred. The normal memory module is loaded in one of the two mounting tables 30 and 50 and the abnormal memory module is loaded in the other according to the test result of the test set 100.

The memory module test apparatus having the memory module auto loading / unloading apparatus according to the present invention configured as described above may automatically mount and remove a memory module to be tested in a slot of a test set, and separate and load according to a test result. As a result, the time and effort required for the inspection of the memory module can be reduced.

Claims (5)

A memory module test apparatus having a testing set having a slot in which a memory module is installed, A module storage slot having a long module-shaped groove formed on one side of a slot provided in the testing set and storing a plurality of memory modules; A module supply unit installed at a lower portion of the module storage unit and dropping and supplying memory modules stored in the module storage unit one by one; It is installed on one side of the module reservoir, and is supported on the guide plate and horizontally moved toward the module reservoir by the rotation of the ball screw rotated by the motor, and installed on both sides of the front and rear transfer plate and the pneumatic A module picker consisting of two side holders which are moved left and right by the two sides to support both ends of the memory module, and a V holder having a V-shaped groove installed in the center of the front and rear transfer plate and into which the memory module is fitted; It is composed of a locking plate elastically supported by a spring, the lower portion of the locking plate toward the inner side is provided with a module engaging means is formed on the bottom of the module engaging means is formed on the bottom to enable the memory module to be easily moved upward, the module At least one module mounting table having a rod-shaped groove formed on one side of the module picker, the memory module being stacked and transferred from the module picker; A module installed in the lower part of the module mounting table to move up and down by driving an air cylinder to push up the transferred memory module upward so that the memory module is caught and loaded on the module mounting table by the module locking means installed at the bottom of the module mounting table. Lifting trays; A module transfer device configured to install a conveyor line on a pulley that rotates by driving of a motor, the module transfer device being installed to extend from the module storage stand to the module loading stand; A controller for controlling said respective means; The module holder and the module holder are formed so that their cross-sections are formed by installing long bars of the "[" shape facing each other so that the memory modules are inserted into the grooves formed on the opposing surfaces, and the pulleys constituting the module transfer device Semicircular grooves are formed on the outer circumferential surface, and two pulleys are paired at a distance wider than the width of the module lifting tray, and are installed at both ends of the annular Kenvey line, and the conveyor line has a cross section on the outer circumferential surface of the pulley. Memory module auto loading / unloading device having a same outer diameter as the semi-circular groove formed, the side holder constituting the module picker is provided with engaging pins are fitted to the groove formed on both ends of the memory module. delete delete delete delete

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