CN100392753C - Separable hard disk driver skew block mounting method and position measuring device - Google Patents
Separable hard disk driver skew block mounting method and position measuring device Download PDFInfo
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- CN100392753C CN100392753C CNB2005100221630A CN200510022163A CN100392753C CN 100392753 C CN100392753 C CN 100392753C CN B2005100221630 A CNB2005100221630 A CN B2005100221630A CN 200510022163 A CN200510022163 A CN 200510022163A CN 100392753 C CN100392753 C CN 100392753C
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- hard disk
- skewback
- test board
- high magnification
- disk driver
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Abstract
The present invention discloses a separable hard disk driver skew block mounting method, which adopts a non-contact type optical measuring method to simply and visually judge whether the mounting position of a skew block is correct or not by magnifying and observing two positions of a datum line and a measuring observation point and comparing the two positions with a standard line previously arranged. The present invention also provides a device which can carry out on-line position measurement. The present invention has simple operation process, and the inspection accuracy of the separable hard disk driver skew block mounting method can completely satisfy design requirement. The present invention is suitable for detecting products in a production line one by one, and the yield of the products and the reliability of quality are effectively ensured.
Description
[technical field]
The present invention relates to detachable hard disk drive and produce mounting technology, specifically relate to a kind of separable hard disk driver skew block rigging position control method and device.
[background technology]
Skewback is a vitals in the hard disk, and it provides the slide rail of turnover disc for read-write head, and the space that holds is provided when magnetic head shifts out disc, and magnetic head is protected.In the detachable hard disk technology, skewback is divided into two parts, and a part is positioned at detachable hard disk drive, and the space that magnetic head holds and the slide rail of turnover are provided; Another part is positioned at the detachable hard disk storer, and another section slide rail of magnetic head turnover disc is provided.When storer insertion driver carried out read-write operation, the skewback in these two parts needed accurately butt joint, makes magnetic head to be entered in the storer by driver smoothly.Also very easily damage because head stack precision is high, therefore also very high to the accuracy requirement of skewback butt joint.This just requires to guarantee that skewback accurately puts in place in the installation process of driver skew block, its error should be not more than 0.12mm, Cpk (process capability index)＞1.33.On the present main streamline that relies on manual setting, be the accuracy requirement that is difficult to reach such only with the control of sectional fixture.Therefore press for simple and easy to do installation method of a cover and supporting measurement mechanism and guarantee the accuracy that skewback is installed and in time find deviation, with the yield rate that improves product and the reliability of quality.Though can adopt the three-dimensional coordinates measurement instrument that the skewback after installing is carried out position detection with high accuracy in theory, but huge equipment is difficult to be placed to skewback and installs in the necessary cleaning shop, and these accurate measuring equipments cost an arm and a leg and complicated operation also is not suitable on production line product is one by one manipulated.
[summary of the invention]
The purpose of this invention is to provide and a kind ofly can simply effectively control the separable hard disk driver skew block mounting method of skewback rigging position and supporting position-measurement device.
The technical scheme that realizes above-mentioned purpose is: a kind of separable hard disk driver skew block mounting method comprises the steps:
1) skewback is placed into relevant position in the base to be assembled, fixedly is fixed on the base with the key screw skewback then the position of skewback with sectional fixture;
2) base that skewback will be housed is placed on the test board, the datum line that use is positioned on a pair of hard disk drive mounting seat of high magnification enlarging lens of desired location one amplifies optical imagery, imaging is presented on the display screen and with display screen on the comparison of standard basis line, if any deviation, the position of adjusting base makes it to overlap;
3) head end that uses the two pairs of skewbacks of high magnification enlarging lens be positioned at desired location two to be used to dock amplifies optical imagery, imaging is presented on the display screen and with the position of head end observation point and the comparison of the normal place line on the display screen, if image space then carries out next step operation in the permissible error scope, if deviation exceeds, then with clamping fixture for correcting skewback is retightened, repeating step 2 then) and 3).
Because the distance of datum line and head end observation point is less, camera lens one and camera lens two generally can't be aimed at the position that needs imaging simultaneously, therefore when step 2) finish after, also need test board integral body is moved horizontally setpoint distance along guide rail, make skewback treat the head end aligning high magnification enlarging lens two of imaging.
With clamping fixture for correcting skewback is retightened in the described step 3) and can adopt such method:, the fixed screw of skewback is unclamped again tighten again then with the fixing position of skewback of clamping fixture for correcting.
Preferably, described test board is the screw type worktable that the hard disk drive stationary fixture is installed, and can accurately regulate its position by rotating threaded shaft, and the datum line on the hard disk drive mounting seat to be measured is overlapped with the standard basis line.
For purpose of the present invention also provides a kind of separable hard disk driver skew block rigging position measurement mechanism, comprise that test board, horizontal guide rail, the high magnification magnifier of fixing product to be measured is first, high magnification enlarging lens two and display screen; Described high magnification magnifier is first and two be arranged in parallel, and is vertically fixed on the test board top; Described test board is installed on the horizontal guide rail, can move along the whole location of horizontal guide rail; Described display screen is connected with two with the high magnification magnifier is first respectively, and its imaging results is shown.
Preferably, described test board is the screw type worktable that the hard disk drive stationary fixture is installed, and can accurately regulate the horizontal level of fix product to be measured by rotating threaded shaft.
Preferably, also comprise cylinder, the described test board of described air cylinder driven moves between two desired locations along horizontal guide rail.
The present invention adopts technique scheme, beneficial technical effects is: the mode that adopts non-contact optical to measure, by comparing to the amplification observation of datum line and two positions of measurement observation point and with the standard lines that sets in advance, whether can simply and intuitively judge the skewback rigging position correct, operating process is simple, testing accuracy can meet design requirement fully, be very suitable on production line, product being detected one by one, effectively guaranteed the yield rate of product and the reliability of quality.
Below by embodiment also in conjunction with the accompanying drawings, the present invention is described in further detail.
[description of drawings]
Fig. 1 is a kind of synoptic diagram of separable hard disk driver skew block rigging position measurement mechanism imaging moiety.
Fig. 2 is a kind of display screen synoptic diagram of separable hard disk driver skew block rigging position measurement mechanism.
Fig. 3 is that skewback is fixed on the synoptic diagram in the base.
Fig. 4 is sectional fixture and clamping fixture for correcting synoptic diagram.
Fig. 5 is the skewback position view of standard fabricated section.
[embodiment]
Embodiment one, a kind of separable hard disk driver skew block rigging position measurement mechanism in conjunction with Fig. 1 and Fig. 2, comprise that test board 1, horizontal guide rail 2, the high magnification magnifier of fixing product to be measured is first 3, high magnification enlarging lens 24, cylinder 5 and display screen.Test board 1 is the screw type worktable that the hard disk drive stationary fixture is installed, and stationary fixture is made of six blocks 11 that are arranged on the worktable, can accurately regulate by the horizontal level of 12 pairs of products to be measured of fixing of rotating threaded shaft.High magnification magnifier first 3 and high magnification enlarging lens 24 are arranged in parallel, and are vertically fixed on test board 1 top; Test board is installed on the horizontal guide rail 2; Cylinder 5 drives test board 1 along horizontal guide rail 2 whole moving between two desired locations; Display screen is connected with high magnification enlarging lens 24 with high magnification magnifier first 3 respectively, and its imaging results is shown.
Embodiment two, the method for utilizing the measurement mechanism among the embodiment one to carry out the skewback assembling comprise the steps:
1) as shown in Figure 3, skewback 6 is placed into relevant position in the base to be assembled.With the fixing position of skewback of sectional fixture, the sectional fixture structure as shown in Figure 4 then.The bonding jumper 7 that has projection on the hard disk drive mounting seat, bonding jumper 7 is straight and smooth sides towards a side of skewback 6, this side and the vertical datum line promptly installed as skewback of the sideline, top of this side.Slit 8 on the sectional fixture matches with bonding jumper 7, and recess 9 matches with the head end 61 of skewback, has flexi-mortgage piece 91 in the recess 9.During installation, the slit 8 of sectional fixture is buckled on the bonding jumper 7 down, the head end 61 of skewback is entered in the recess 9, under the effect of flexi-mortgage piece 91, the head end 61 of skewback is positioned, skewback 6 is also corresponding to be fixed, and with the screw hole 62 of screw on skewback 6 skewback 6 is fixed on the base again.Note when being screwed into screw and will increase moment then gradually with screw tightening with little moment is stubborn at a slow speed earlier, to guarantee reliability of fixation.
2) base that skewback will be housed is placed on as shown in Figure 1 the test board 1, and the anchor clamps that are made of block 11 are with fixed position base; The high magnification magnifier first 3 that is vertically fixed on test board 1 top is in desired location one, installation reference line observation place of the bonding jumper 7 on the base (being the position that intersect in its side and sideline, top).The first 3 pairs of datum lines that are positioned at this observation place of high magnification magnifier amplify 100 times optical imagery, and imaging is presented on the display screen.
As shown in Figure 2, be marked with the standard basis line on the display screen, the standard basis line is two lines of right angle intersection, the position of the bonding jumper 7 of locking projection fully, the position of this standard basis line is the imaging acquisition that employing standard fabricated section carries out the same step, and the observation position on the standard fabricated section as shown in Figure 5.Can stick on the position of representing the standard basis line on the correspondence position of display screen after finishing lines on the transparent membrane, the accuracy of standard fabricated section can regularly be proofreaded with three-coordinate instrument.
With the standard basis line comparison of pasting on the installation reference line that shows and the display screen, if any deviation, the leading screw 12 of test board 1 is adjusted in rotation, and at X, little position of moving base makes it to overlap on the Y direction.Hard disk drive adopts the precision metallic casting usually, the mounting seat physical dimension of same model driver is almost consistent, can be used as thick benchmark, important benchmark position on the base is the position of magnetic head center pit and is in CNC (computer numerical control (CNC) as the position of the projection bonding jumper 7 of skewback reference for installation, the abbreviation of Computerized Numerical Control) be that the finishing of clamping basis is come out with the thick benchmark of hard disk drive profile in the processing, fine setting precision lead screw 12,, be a big characteristic of native system accurately promptly with the bonding jumper 7 position alignment standard basis lines of projection.In the on-line measurement process of reality, the installation reference line of imaging behind the actuator base clamping generally can both be overlapped with the standard basis line position or littlely deviation is arranged but do not influence detection, the work of adjustment just occurs once in a while, and amplitude is very small.
3) under the driving of cylinder 5, test board 1 is moved horizontally setpoint distance along horizontal guide rail 2.The reason that moves is because the distance of datum line and head end observation point is less, by Fig. 5, be the standard fabricated section the skewback position view as can be seen, this distance has only 8.938mm, even if being close to be arranged in parallel, camera lens one and camera lens two also can't aim at the position that needs imaging simultaneously, therefore after the imaging of finishing a pair of installation reference line of camera lens, also need test board integral body is moved, make skewback treat the head end 61 aligning high magnification enlarging lens 24 of imaging.The head end 61 that high magnification enlarging lens 24 is used to dock to skewback equally amplifies 100 times optical imagery, and imaging is presented on the display screen.
As shown in Figure 2, be marked with the normal place line on the display screen, the dotted line of normal place line both sides is represented acceptable deviation range, the position of this normal place line is that employing standard fabricated section carries out imaging and obtains equally, can stick on the correspondence position of display screen to represent after finishing lines on the transparent membrane.(this position generally is meant the mid point of virgule on the head end lateral profile with the position of the head end observation point that shows, as shown in Figure 5) with display screen on the installation reference line comparison of pasting, if image space then carries out next step operation in the permissible error scope, if deviation exceeds, then with clamping fixture for correcting skewback is retightened, repeating step 2 then) and 3).
Employed clamping fixture for correcting structure and sectional fixture shown in Figure 4 are identical, and just the flexi-mortgage pieces 91 in its recess 9 have the bigger intensity that compresses.Timing with the fixing position of skewback of clamping fixture for correcting, unclamps the fixed screw of skewback more then and tightens again.
In process of production, need regular use standard fabricated section to calibrate measuring employed datum line, itself also will regularly calibrate the standard fabricated section with three-coordinate instrument.Adopt assembly method of the present invention can farthest guarantee the accuracy of skewback installation site, remedy the deficiency that frock can't reach this levels of precision, guarantee the q﹠r of product from program.
Claims (7)
1. a separable hard disk driver skew block mounting method comprises the steps:
1) skewback is placed into relevant position in the base to be assembled, fixedly is fixed on the base with the key screw skewback then the position of skewback with sectional fixture;
2) base that skewback will be housed is placed on the test board, described test board is installed on the horizontal guide rail, the datum line that use is positioned on a pair of hard disk drive mounting seat of high magnification enlarging lens of desired location one amplifies optical imagery, imaging is presented on the display screen and with display screen on the comparison of standard basis line, if any deviation, the position of adjusting base makes it to overlap;
3) test board integral body is moved horizontally setpoint distance along guide rail, make skewback treat that the head end aligning of imaging is positioned at the high magnification enlarging lens two of desired location two, the head end that uses two pairs of skewbacks of high magnification enlarging lens to be used to dock amplifies optical imagery, imaging is presented on the display screen and with the position of head end observation point and the comparison of the normal place line on the display screen, if image space then carries out next step operation in the permissible error scope, if deviation exceeds, then with clamping fixture for correcting skewback is retightened, repeating step 2 then) and 3).
2. separable hard disk driver skew block mounting method according to claim 1 is characterized in that: described high magnification magnifier is first and two be arranged in parallel, and is vertically fixed on the test board top.
3. separable hard disk driver skew block mounting method according to claim 1, it is characterized in that: with clamping fixture for correcting skewback is retightened such method that adopts in the described step 3):, the fixed screw of skewback is unclamped again tighten again then with the fixing position of skewback of clamping fixture for correcting.
4. separable hard disk driver skew block mounting method according to claim 1, it is characterized in that: described test board is the screw type worktable that the hard disk drive stationary fixture is installed, can accurately regulate its position by rotating threaded shaft, the datum line on the hard disk drive mounting seat to be measured is overlapped with the standard basis line.
5. separable hard disk driver skew block rigging position measurement mechanism is characterized in that: test board, horizontal guide rail, the high magnification magnifier that comprises fixing product to be measured is first, high magnification enlarging lens two and display screen; Described high magnification magnifier is first and two be arranged in parallel, and is vertically fixed on the test board top; Described test board is installed on the horizontal guide rail, can move along the whole location of horizontal guide rail; Described display screen is connected with two with the high magnification magnifier is first respectively, and its imaging results is shown.
6. separable hard disk driver skew block rigging position measurement mechanism according to claim 5, it is characterized in that: described test board is the screw type worktable that the hard disk drive stationary fixture is installed, and can accurately regulate the horizontal level of fix product to be measured by rotating threaded shaft.
7. separable hard disk driver skew block rigging position measurement mechanism according to claim 5 is characterized in that: also comprise cylinder, the described test board of described air cylinder driven moves between two desired locations along horizontal guide rail.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100221630A CN100392753C (en) | 2005-11-21 | 2005-11-21 | Separable hard disk driver skew block mounting method and position measuring device |
| HK06112246.1A HK1090468A1 (en) | 2005-11-21 | 2006-11-08 | A method for installing the ramp of separable hard disk drive and a position-measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100221630A CN100392753C (en) | 2005-11-21 | 2005-11-21 | Separable hard disk driver skew block mounting method and position measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1811972A CN1811972A (en) | 2006-08-02 |
| CN100392753C true CN100392753C (en) | 2008-06-04 |
Family
ID=36844831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100221630A Expired - Fee Related CN100392753C (en) | 2005-11-21 | 2005-11-21 | Separable hard disk driver skew block mounting method and position measuring device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100392753C (en) |
| HK (1) | HK1090468A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506564A (en) * | 2018-11-23 | 2019-03-22 | 苏州凯斯通机电科技有限公司 | HOOK position degree rapid detection method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6141858A (en) * | 1997-07-02 | 2000-11-07 | International Business Machines Corporation | Head suspension lift cam adjustment |
| US6571454B1 (en) * | 1999-07-23 | 2003-06-03 | Michael D. Haney | Drive test fixture |
| CN1637865A (en) * | 2003-10-29 | 2005-07-13 | Tdk株式会社 | Method and apparatus for measuring slider mounting position in magnetic head, and magnetic head manufacturing system using the measurement apparatus |
-
2005
- 2005-11-21 CN CNB2005100221630A patent/CN100392753C/en not_active Expired - Fee Related
-
2006
- 2006-11-08 HK HK06112246.1A patent/HK1090468A1/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6141858A (en) * | 1997-07-02 | 2000-11-07 | International Business Machines Corporation | Head suspension lift cam adjustment |
| US6571454B1 (en) * | 1999-07-23 | 2003-06-03 | Michael D. Haney | Drive test fixture |
| CN1637865A (en) * | 2003-10-29 | 2005-07-13 | Tdk株式会社 | Method and apparatus for measuring slider mounting position in magnetic head, and magnetic head manufacturing system using the measurement apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1811972A (en) | 2006-08-02 |
| HK1090468A1 (en) | 2006-12-22 |
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