CN100392755C

CN100392755C - Hard disk magnetic head shifting out device

Info

Publication number: CN100392755C
Application number: CNB200510022165XA
Authority: CN
Inventors: 王伟辉
Original assignee: Shenzhen Excelstor Technology Co Ltd
Current assignee: Shenzhen Excelstor Technology Co Ltd
Priority date: 2005-11-23
Filing date: 2005-11-23
Publication date: 2008-06-04
Anticipated expiration: 2025-11-23
Also published as: HK1090749A1; CN1811974A

Abstract

The present invention relates to a hard disk magnetic head shifting-out device which comprises a base, a shifting-out piece, a first working platform and a second working platform, wherein the first working platform and the second working platform are supported on the base, and the shifting-out piece is rotatablely arranged on the first working platform which is provided with a stressing section which is used for receiving the input of external force and a force exerting section which is used for driving a magnetic head. A rotating track of the force exerting section is parallel to an XY plane, the second working platform forms a hard disk positioning space, and the force exerting section is positioned on the right lower part of the hard disk positioning space in a Z axis direction which is perpendicular to the XY plane. A second power device is also arranged on the base or the first working platform, and the stressing section of the shifting-out piece is positioned on the moving track of an output axis of the power device. When the external force drives the stressing section, the force exerting section rotates in the XY plane and horizontally shifts out the magnetic head from the upper part of a disk sheet through the arrangement of the shifting-out piece. The present invention not only increases the recovered efficiency of the magnetic head, but also does not damage the magnetic head.

Description

Hard disk magnetic head shifting out device

[technical field]

The present invention relates to the hard disk manufacturing field, especially about a kind of device that carries out the magnetic head recovery.

[background technology]

Head stack is the important component part of hard disk, and its price is more expensive, occupies bigger ratio in the whole production cost of hard disk, so in the manufacturing as the hard disk waste product occurs, then need head stack is reclaimed.During recovery, since the magnetic head of head stack be positioned at hard disc directly over, magnetic head after shifting out, the disc top just can need be taken off head stack, in the prior art, generally be manually to shift out magnetic head by the operator, so not only efficient is low, and because the distance between magnetic head and the disc is very little, misoperation promptly can be damaged magnetic head.

[summary of the invention]

The object of the present invention is to provide a kind of being convenient to that magnetic head is shifted out and shift out the hard disk magnetic head shifting out device that can not damage magnetic head in the process from the disc top.

The object of the present invention is achieved like this: this hard disk magnetic head shifting out device comprises base, shift out part, first worktable and second worktable, this shifts out, and part is rotatable to be installed on first worktable, this shifts out part and is provided with the forced section and the force section that is used to promote magnetic head that is used to accept the external force input, the rotary motion trace of this force section and XY plane parallel, this XY plane is surperficial parallel with hard disc, this second worktable is formed with space, hard disk location, on the Z-direction vertical with the XY plane, this force section and this first worktable all are positioned at the below in this space, hard disk location, this is first years old, a stationary table in second worktable is on this base, and this is first years old, another worktable in second worktable is supported on this worktable of transmission on the output shaft of first propulsion system that Z-direction moves up and down.

Described first stationary table is installed on the base, and second worktable is supported on the output shaft of first propulsion system.

Protrude out on the described base and be provided with guidepost, first stationary table is supported on this guidepost, and second worktable is provided with orienting sleeve to position that should guidepost, and this orienting sleeve kink is on this guidepost.

Also be installed with second propulsion system on the described base or first worktable, the force part of shifting out part is on the movement locus of the output shaft of these propulsion system.

Described second worktable comprises at least two Z axle support columns, and the end face of this Z axle support column forms supporting plane, and each supporting plane is positioned at sustained height.

Described second worktable also comprises X-axis keeper and Y-axis keeper, encloses space, hard disk location between this X, Y-axis keeper and the supporting plane.

Described X, Y-axis keeper all have two at least, and wherein all have one and have elasticity.

When described hard disk location space orientation had hard disk, magnetic head was positioned on the rotary motion trace of force section, and force application part is under disc surface, and the spacing between this surface of the top of this force section and disc is less than the spacing between magnetic head and this surface.

Compared with prior art, the present invention has following advantage: by shifting out the setting of part, when external force promoted forced section, the force section was rotated in the XY plane and magnetic head is shifted out from the disc upper horizontal, not only improve the efficient that magnetic head reclaims, nor can damage magnetic head.

[description of drawings]

Fig. 1 is the stereographic map of hard disk.

Fig. 2 is the stereographic map of hard disk magnetic head shifting out device of the present invention.

Fig. 3 is the stereographic map at another visual angle of hard disk magnetic head shifting out device of the present invention.

Fig. 4 is the stereographic map of hard disk magnetic head shifting out device of the present invention when being placed with hard disk.

Fig. 5 is the stereographic map of hard disk magnetic head shifting out device of the present invention when having stretched hard disk.

[embodiment]

See also Fig. 1 to Fig. 5, hard disk magnetic head shifting out device of the present invention is used for the magnetic head 71 of head stack is removed from the top of hard disk 7 discs 72, thereby is convenient to carry out the recovery of head stack.This hard disk magnetic head shifting out device comprises base 1, first worktable 3, shifts out the part 4 and second worktable 2, first worktable 3 is fixedly mounted on the base 1, shift out part 4 rotatable being installed on first worktable 3, its rotary motion trace is parallel to the XY plane, second worktable 2 be installed on the base 1 and can be relatively this base 1 move up and down in Z-direction, it is formed with the space 27, hard disk location that is used to locate hard disk 7, on Z-direction, shift out part 4 be positioned at this space 27, hard disk location under.This XY plane is the plane parallel with the surface 721 of the disc 72 of hard disk, vertical this XY plane of Z axle, and in the present embodiment, this XY plane also is parallel to surface level.

Shift out part 4 by the rotatable upper surface 31 that is installed in first worktable 3 of rotating shaft, it can rotate in the certain angle scope around this rotating shaft, and this shifts out the forced section 43 that part has the force section 42 that contacts with magnetic head when being used to shift out magnetic head and is used to receive the external force input.In the present embodiment, shifting out part 4 is a rotor 4, one end of this rotor 4 is installed on first worktable 3 by rotating shaft is rotatable, forced section 43 is located at the free terminal of this rotor and is vertically extended along negative Z-direction, force section 42 is located between this forced section 43 and this rotating shaft and along positive Z-direction and is vertically extended, the rotary motion trace of this force section 42 is parallel to the XY plane, and magnetic head 71 is positioned on the rotary motion trace of this force section 42.

Second worktable 2 has towards the lower surface 22 of base and the upper surface 21 relative with this lower surface 22.This lower surface 22 is fixed with some orienting sleeves 23, each orienting sleeve 23 all vertically extends along negative Z-direction, on the base 1 position that should orienting sleeve 23 is provided with guidepost 12, these orienting sleeve 23 kinks are on guidepost 12, when second worktable 2 in when Z-direction moves up and down, orienting sleeve 23 moves up and down along guidepost 12, and first worktable 3 is fixedly supported on this guidepost 12.Second worktable 2 also has the hard disk positioning fixture that is installed in upper surface, this hard disk positioning fixture comprises four Z axle support columns 24, this Z axle support column 24 protrudes out setting from this upper surface 21 along positive Z-direction, Z axle support column 24 lays respectively at four corners of upper surface 21, and the top surface of each Z axle support column 24 forms supporting plane 241, on Z-direction, each supporting plane 241 all is positioned at sustained height, and this supporting plane 241 is used to support hard disk 7.This hard disk positioning fixture also comprises the X-axis keeper 25 and the Y-axis keeper 26 that is used at Y direction location hard disk that is used at X-direction location hard disk, this X-axis keeper 25 and Y-axis keeper 26 all have two at least, and one of them X-axis keeper 252 and a Y-axis keeper 262 have elasticity.In the present embodiment, this X-axis keeper 25 comprises X-axis first keeper 251 and rubber-like X-axis second keeper 252 of a rigidity, this Y-axis keeper 26 comprises Y-axis first keeper 261 and two rubber-like Y-axis second keepers 262 of two rigidity, the plane at each supporting plane 241 place, X-axis keeper 25 and Y-axis keeper 26 are enclosed space 27, hard disk location, and this space 27, hard disk location is consistent with the outer contour shape and the size of hard disk.By the effect of this flexible positioning piece 252,262, can after installing, hard disk 7 clamp hard disk.In Z-direction, the top of shifting out the force section 42 of part 4 is positioned at the below of the supporting plane 241 of Z axle support column 24, and be positioned at disc 72 surfaces 721 under, and the spacing between this surface 721 of the top of this force section 42 and disc 72 is less than the spacing between magnetic head 71 and this surface 721.

In the present embodiment, this hard disk magnetic head shifting out device also comprises second propulsion system 5 and first propulsion system 6.Second propulsion system 5 are installed on first worktable 3, and it is used for promoting to shift out part 4 around its rotating shaft rotation, and these propulsion system 5 are a cylinder, and its output shaft 51 moves in the X-axis direction, and forced section 43 is positioned on the movement locus of this output shaft 51.First propulsion system 6 are used to drive second worktable 2 and move up and down along Z-direction, and it is a cylinder, and its output shaft 61 moves and supports the lower surface 22 of second worktable 2 along Z-direction.Certainly, shift out part and also can pass through operator people's hand propelled; First propulsion system also can drive first worktable and move up and down along Z-direction, and second stationary table is on base.

The course of work of this hard disk magnetic head shifting out device is as follows: hard disk 7 is put into the hard disk positioning fixture, make second worktable 2 drop to desired location by first propulsion system 6, start second propulsion system 5 then, its output shaft 51 promotes to shift out the forced section 43 of part 4 along X-direction, shifting out part 4 is rotated counterclockwise, force section 42 also is rotated counterclockwise and magnetic head 71 level under disc 72 is shifted out, and is last, and first propulsion system 6 drive second worktable 2 and rise and taking-up hard disk 7.When second propulsion system 5 are return original state, shift out part 4 and under the effect of self elastic force, automatically reply original position.

Claims

1. hard disk magnetic head shifting out device, it is characterized in that: comprise base, shift out part, first worktable and second worktable, this shifts out, and part is rotatable to be installed on first worktable, this shifts out part and is provided with the forced section and the force section that is used to promote magnetic head that is used to accept the external force input, the rotary motion trace of this force section and XY plane parallel, this XY plane is surperficial parallel with hard disc, this second worktable is formed with space, hard disk location, on the Z-direction vertical with this XY plane, this force section and this first worktable all are positioned at the below in this space, hard disk location, this is first years old, a stationary table in second worktable is on this base, and this is first years old, another worktable in second worktable is supported on this worktable of transmission on the output shaft of first propulsion system that Z-direction moves up and down.

2. hard disk magnetic head shifting out device as claimed in claim 1 is characterized in that: described first stationary table is installed on the base, and second worktable is supported on the output shaft of first propulsion system.

3. hard disk magnetic head shifting out device as claimed in claim 2, it is characterized in that: protrude out on the described base and be provided with guidepost, first stationary table is supported on this guidepost, and second worktable is provided with orienting sleeve to position that should guidepost, and this orienting sleeve kink is on this guidepost.

4. as any described hard disk magnetic head shifting out device among the claim 1-3, it is characterized in that: also be installed with second propulsion system on the described base or first worktable, the force part of shifting out part is on the movement locus of the output shaft of these propulsion system.

5. as any described hard disk magnetic head shifting out device among the claim 1-3, it is characterized in that: described second worktable comprises at least two Z axle support columns, and the end face of this Z axle support column forms supporting plane, and each supporting plane is positioned at sustained height.

6. hard disk magnetic head shifting out device as claimed in claim 5 is characterized in that: described second worktable also comprises X-axis keeper and Y-axis keeper, encloses space, hard disk location between this X, Y-axis keeper and the supporting plane.

7. hard disk magnetic head shifting out device as claimed in claim 6 is characterized in that: described X, Y-axis keeper all have two at least, and wherein all have one and have elasticity.

8. as any described hard disk magnetic head shifting out device among the claim 1-3, it is characterized in that: when described hard disk location space orientation has hard disk, magnetic head is positioned on the rotary motion trace of force section, force application part is under disc surface, and the spacing between this surface of the top of this force section and disc is less than the spacing between magnetic head and this surface.