CN2763942Y

CN2763942Y - Hard disk tester

Info

Publication number: CN2763942Y
Application number: CN 200420112328
Authority: CN
Inventors: 曾纪光; 陈修贤
Original assignee: HUITONGSHIHUA MICRO HARD DISKS CO Ltd GUIZHOU
Current assignee: HUITONGSHIHUA MICRO HARD DISKS CO Ltd GUIZHOU
Priority date: 2004-10-29
Filing date: 2004-10-29
Publication date: 2006-03-08
Anticipated expiration: 2014-10-29

Abstract

The utility model relates to a hard disk tester, which comprises a testing jig and a testing cylinder and also comprises a shockproof rubber pad and a testing cylinder bracket. The shockproof rubber pad is a circular cylinder, and a central open pore is arranged in the axial direction of the shockproof rubber pad. An annular waist open groove is arranged in the direction perpendicular to the axial direction on the outer surface of the shockproof rubber pad. The width of the open groove equals the thickness of a switching card clamped and fixed at the testing cylinder bracket on the testing cylinder. The testing jig is right-angle bend-shaped. A section of the testing cylinder bracket is fixed on and in parallel with the testing cylinder side face through the shockproof rubber pad and screw bolts inlaid on the section of the testing cylinder bracket. The end face of the inner side of the shockproof rubber pad is in contact with the switching card. The other section of the testing cylinder bracket is fixed on and in parallel with the testing jig through the shockproof rubber pad and screw bolts inlaid on the other section of the testing cylinder bracket, and extends toward the direction of the outside of the opening of the testing cylinder. The end face of the inner side of the shockproof rubber pad is in contact with the testing jig. The design for earthquake proof of the utility model can all fully reduce the influence of the ambient vibratory on the hard disk in test.

Description

The hard disk test device

Technical field

The utility model relates to vibration abatement, in particularly a kind of hard disk manufacturing process, is used for the hard disk test device of the test macro of hard disk detection.

Background technology

In the manufacture process of hard disk, need carry out many tests to hard disk, with assurance qualified hard disk product is sent in client's the hand.These tests are diversified, and pair test of hard disk mechanical property is arranged, and pair test of hard disk electric property is also arranged; These tests need different software and test macros to realize.Because the complicacy of seagate, need be many to the contents of a project of hard disk performance test, can reach tens more than, need be to the critical component of hard disk, for example magnetic head and video disc performance detect, and significant data are detected, to the detection of the readwrite performance of hard disk, various defectives and compatibility are tested, even rewrite and revise some wrong information.In these operations, some test is very strict, careless slightly to the requirement of environment and test condition, and system will reporting errors, has so just influenced the efficient of production and the stability of product.For example, the humiture environment of test macro, the shockproof antistatic countermeasure of test macro, even the easy and reliability of test macro operation or the like, all the testing result of hard disk and the acceptance rate of production there are direct influence.Especially the aseismatic design of test macro, along with the continuous expansion of hard disk test function, and the raising at full speed of seagate, seeming more and more is subjected to the concern and the attention of hard disk manufacturing industry.

Therefore the reliable and stable test macro of one cover is arranged, most important for the manufacturing of hard disk.

The requirement that the less consideration of the test macro in past is shockproof, even there is not the shockproof measure of test macro fully, yet because the influence of the exhaust system motor of test macro, and the influence of the motor vibration of hard disk own, and the vibration influence of the regular appearance of production environment, even the accidental influence that causes of operating personnel, or the like, all may bring CR Critical consequence, for example to the hard disk of WKG working test, cause the operation of reading and writing and detecting to make a mistake, even damage hard disk.Test macro early comprises the testing jig that offers some frameworks that test barrel that the plurality of adapter coupling card is housed packs into, be inserted with the plurality of adapter coupling card in the test barrel, adapter is inserted on the usb hub, test interface as hard disk, there is chute to insert on the test barrel, in general, between circuit board on the adapter and the slot slit arranged for adapter, because the influence of external vibroseis, adapter can be with hard disk to shake together.

Because a cover test macro has up to a hundred simultaneously even a hundreds of test cell is tested simultaneously, and each test cell has all fours and identical structure, so when carrying out batch testing at the same time, resonance effect will take place in these hard disks, occur than single test cell serious the situation of Duoing.

The utility model content

Hard disk test device of the present utility model not only comprises testing jig and test barrel, also comprises quakeproof rubber pad and test barrel support.

Quakeproof rubber pad in the described hard disk test device comprises: (a) a kind of plastic material of shockproof usefulness; (b) this material is made into the form that there is the circular rubber cushion of through hole at the center, be convenient to lock-screw and therefrom pass, and the adapter that will test usefulness is fixed on the testing jig; (c) in the contact portion of adapter and test barrel by containing the screw retention of quakeproof rubber pad, and before this, adapter is to insert the test barrel the inside by the chute of opening on test barrel; (d) screw retention of test barrel by containing quakeproof rubber pad is on testing jig.

Fig. 1 is the synoptic diagram of the quakeproof rubber pad of the utility model employing.Quakeproof rubber pad of the present utility model is made with special elastic caoutchouc; its elastic force character; for example; parameters such as elastic modulus, endurance and maximum load-carrying capacity; all optimization by experiment and definite; just in time can absorb and weaken the vibrational energy of hard disk test system effectively, reach the effect of hard disk in the protection test.Typical frequency parameter is 50 multiple, and in other words, this material can effectively absorb and weaken the vibrations that 50Hz and multiple thereof are counted frequency, and this just in time is the vibration frequency of general test system.

The shape of quakeproof rubber pad also is the design of optimizing, and the design of optimization can guarantee shockproof optimum efficiency.The rubber cushion of cylindrical shape is designed to, along axis have central openings 13 (dotted portion), along waist fluting 14, can reach " eyelet " structure of shockproof effect simultaneously on the two sides, need the object of damping can be at an easy rate fluting by waist above it, be enclosed within quakeproof rubber pad above the object tightly, and the thickness of wanting damping object coupling part just in time equals the groove width of quakeproof rubber pad, can reach best shockproof effect like this.Quakeproof rubber pad can also be made different sizes, to satisfy different installation needs.

Described test barrel support is that quarter bend is curved, one section of described test barrel support by the quakeproof rubber pad that is embedded with on it and bolt secured in parallel on the test barrel side, described quakeproof rubber pad inner side end contacts with adapter;

Another section of described test barrel support on testing jig, and is to extend to test barrel open outer side direction by the quakeproof rubber pad that is embedded with on it and bolt secured in parallel, and described quakeproof rubber pad inner side end contacts with testing jig.

Effect of the present utility model is, quakeproof rubber pad can make the influence of some testing hard disks vibrations itself, the vibrations of the testing jig that exhausting system is brought, and other pass through testing jig and test barrel are delivered to vibrations on the adapter and are absorbed effectively and decay.Although the vibrations of the hard disk motor in all tests, and the vibrations of the testing jig that causes of exhausting motor, can be along same direction transmission, but, can eliminate the influence of the vibrations of all directions because the utility model has adopted the single aseismatic design of adapter.And much no matter the quantity of the hard disk of this test has, aseismatic design of the present utility model can reduce the influence that is in the external shock that the hard disk in the test is subjected to fully.

Description of drawings

Fig. 1 is the synoptic diagram of the quakeproof rubber pad of the utility model employing;

Fig. 2 is equipped with adapter and the test barrel support synoptic diagram that the hard disk test of quakeproof rubber pad is used;

Fig. 3 is the synoptic diagram of a test barrel unit.

Accompanying drawing major part symbol description:

11, quakeproof rubber pad 12, gib screw

13, central openings 14, waist fluting

21, adapter 22, quakeproof rubber pad

23,24

gib screws

25,26, quakeproof rubber pad

27, hub socket 28, hub circuit plate

29, testing jig 31, shockproof screw

32, testing jig 33, adapter

34, test barrel

Embodiment

Below, the embodiment to the utility model quakeproof rubber pad describes with reference to the accompanying drawings.

The shape of quakeproof rubber pad also is the design of optimizing, and the design of optimization can guarantee shockproof optimum efficiency.The rubber cushion of cylindrical shape is designed to, along axis perforate 13 (dotted portion), along waist fluting 14, can reach " eyelet " structure of shockproof effect simultaneously on the two sides, need the object of damping can be at an easy rate fluting by waist above it, be enclosed within quakeproof rubber pad above the object tightly, and the thickness of wanting damping object coupling part (being the test barrel support) just in time equals the groove width of quakeproof rubber pad, can reach best shockproof effect like this.Quakeproof rubber pad can also be made different sizes, to satisfy different installation needs.

Fig. 2 is equipped with adapter and the test barrel support synoptic diagram that the hard disk test of quakeproof rubber pad is used.This adapter 21 is a horizontal positioned in test barrel the inside, and adapter does not insert test barrel by chute, but by assembling to such an extent that have the

gib screw

23,24 of

quakeproof rubber pad

25,26 to be fixed on the support of test barrel.The USB plug of adapter is inserted on the usb hub socket 27 of usb hub circuit board 28, the support of test barrel also is fixed on the testing jig 29 by shockproof screw 22, because usb hub socket and hard disk socket all are more fastening structures, like this, the various piece of a typical test cell has all formed good shockproof structure.Same method by containing the gib screw of quakeproof rubber pad, is fixed on the test adaptor card in all test barrel on test barrel and the testing jig, can absorb and weaken influence from the various vibrations of all directions effectively by quakeproof rubber pad.

Fig. 3 is the synoptic diagram of a test barrel unit.As shown in the figure, the influence of some testing hard disks vibrations itself, the vibrations of the testing jig that exhausting system is brought, and other pass through testing jig 32 and test barrel 34 are delivered to vibrations on the adapter 33, because the existence of quakeproof rubber pad of the present utility model can be absorbed and be decayed effectively.Although the vibrations of the hard disk motor in all tests, and the vibrations of the testing jig that causes of exhausting motor, can be along same direction transmission, but, can eliminate the influence of the vibrations of all directions because the utility model has adopted the single aseismatic design of adapter.And much no matter the quantity of the hard disk of this test has, aseismatic design of the present utility model can reduce the influence that is in the external shock that the hard disk in the test is subjected to fully.

Claims

1, a kind of hard disk test device comprises testing jig and test barrel, and described test barrel has the opening that is used to insert adapter, and is provided with the two sides vertical with opening, it is characterized in that, also comprises quakeproof rubber pad and test barrel support;

Described quakeproof rubber pad is a right cylinder, and it axially sets central openings (13), the annular waist fluting (14) that set perpendicular to axial direction on the outside surface of this quakeproof rubber pad, and the width of described fluting is for being fixed on adapter the thickness of the test barrel support on the test barrel;