CN1700307A - Bracket for hard disk, inner circumferential surface processing method, bearing and clamping device - Google Patents

Abstract

The invention provides a bracket for hard disk. In the prior art, the central part of inner peripheral surface of a lug punching hole is bulged inward, the holding power is weak and unstable when the magnetic head is arranged in the punching hole. Burr generated on the bracket during machining is eliminated by using etchant or electrolyte, the peripheral inner part of the lug punching hole is sank. A bulge generated in the sank part is eliminated to make the inner peripheral surface be flattened, when the magnetic head is arranged in the punching hole, the holding power is improved and the mounting is stable.

Description

Bracket for hard disk, inner circumferential surface processing method and device, supporting and clamping device

Technical field

The present invention relates to the bracket for hard disk (being also referred to as " コ system ") with the uses such as reading or write of the hard disk unit of OA equipment headed by the PC, that possess hard disk (business automation equipment) or portable set, the support tool that in the inner circumferential surface processing method of the punching of the lug upper shed of bracket for hard disk, this job operation, uses and the inner peripheral surface processing unit (plant) of clamping device and this punching.

Background technology

Possess in the various device of hard disk and be equipped with reading magnetic head and write head.As shown in figure 14, suspension D is installed on the top of the lug C of carriage B, and magnetic head A is installed in the top of suspension D.Suspension D is installed in punching (the ス エ Star ジ ホ one Le) E (Figure 13) of the top end opening of lug C by riveted joint.Carriage B is configured in the next door of the stacked dish F of devices spaced apart as shown in Figure 14, between the magnetic head A insertion dish F, when electric current flow through the moving coil G that is installed in carriage B rear end, not shown voice coil motor drove, carriage B is moved back and forth, the dish F in the magnetic head A crosscut rotation along the transverse direction of Figure 14.The H of Figure 14 is a disk holder, and I is a base, and J is yoke (for example with reference to Japanese kokai publication hei 9-128911 number).

With headed by the PC, the OA equipment that possesses hard disk diminishes year by year, attenuation.Therefore, hard disk also diminishes, attenuation, follows in this, and the interval of dish F also narrows down, and carriage B also constantly diminishes, attenuation.As shown in figure 13, because carriage B forms with certain interval by multi-disc lug C, if therefore carriage B attenuation then the interval of multi-disc lug C also narrow down, it is accurate at interval to require.Because carriage B forms through machining (cut, grind and cut) with solid extrded material or molding material, therefore add man-hour carriage B and lug C go up the generation burr.Because only have very little gap (several millimeters) between multilayer disc F and close its each lug C, therefore little burr also becomes problem.Therefore, the deburring of in the past carrying out lug C is handled.This deburring is handled the handwork deburring, the whole bag of tricks such as deburring, electrochemical deburring are handled in etching processing.Select to use these deburrings to handle according to the workpiece of deburring, the precision of deburring etc.Owing to handle the deburring scarce capacity of deburring with etching processing, so before it, carry out manual deburring and handle, carry out etching processing then and handle, 2 operations are combined.Electrochemical deburring is because its deburring ability is enough, as long as it is just passable therefore to carry out this operation.

Use the etching working fluid when handling deburring, use electrolytic solution during with the deburring of electrochemical deburring method, on the corner of carriage, can produce the limit (be commonly called as and be " hydraucone ") (だ れ) of collapsing with etching processing.Particularly become shown in Figure 15 B such corner a, b up and down limit of collapsing in the punching E of lug C, the center section c between two corner a, the b becomes the state to the medial eminence of punching E.If so, when being installed to suspension D among the punching E, there is the low problem of confining force by riveted joint.Figure 15 B has represented center section c for convenience of explanation turgidly, and instrumentation is shaped as the protuberance of the following degree of the such 1/10mm of Figure 15 C.

Summary of the invention

Bracket for hard disk of the present invention is about the prominent abreast at interval metallic bracket for hard disk of establishing 2 above lugs that is spaced by the front end that is machined in root, remove because of the above-mentioned burr that produces on the carriage that is machined in by deburring processing such as etching processing deburring processing, electrochemical deburring processing, remove because of this deburring processing makes the peripheral inside part of the punching inner peripheral surface of lug and collapse the limit, make inner peripheral surface become flat surface than the protrusion of this periphery inside part by the place generation of lining.At this moment, by forming the punching internal diameter littler than final processing dimension, the protrusion of removing inner peripheral surface again makes inner peripheral surface become flat surface, can make the size of the internal diameter of punching for regulation.

Bracket for hard disk of the present invention is installed to the above-mentioned protrusion of removing inner peripheral surface like that by riveted joint with suspension becomes in the punching on flat surface inner peripheral surface.

Bracket for hard disk of the present invention can be handled by following 1～4 processing and make the inner peripheral surface of punching become flat surface.1. in the inside of each lug or surperficial side configuration supporting member, the peristomes such as hole, groove of its upper shed are aimed at the punching of each lug; 2. at reverse side one side of each lug configuration clamping components, the peristomes such as hole, groove of its upper shed are aimed at the punching of lug; 3. with above-mentioned supporting member and each lug of clamping components clamping; 4. at the inner peripheral surface of using the punching of the lug of machining tool time processing more than 2 under the above-mentioned clamp position, the protrusion of removing this inner peripheral surface makes inner peripheral surface become flat surface.

Bracket for hard disk of the present invention can be handled by following 1～5 processing and make inner peripheral surface become flat surface.1. in the inside of each lug or surperficial side configuration supporting member, the peristomes such as hole, groove of its upper shed are aimed at the punching of each lug; 2. at reverse side one side of each lug configuration clamping components, the peristomes such as hole, groove of its upper shed are aimed at the punching of lug; 3. with in the elongated punching of deciding the lug of core component insertion more than 2, carry out the core of deciding of punching and machining tool; 4. extract after with supporting member and each lug of clamping components clamping and decide core component; 5. at the inner peripheral surface of the punching of decide the above-mentioned lug more than 2 that core with machining tool time processing usefulness supporting member and clamping components clamping later on, the protrusion of removing this inner peripheral surface makes inner peripheral surface become flat surface.

The punching inner circumferential surface processing method of bracket for hard disk of the present invention is: the front end that is formed on root by the above-mentioned machining prominent side by side at interval bracket for hard disk of establishing 2 above lugs that is spaced, handle by deburrings such as etching processing deburring processing, electrochemical deburring processing and to remove, remove the limit of collapsing, the peripheral inboard of handling the punching that makes lug and make the inner peripheral surface of punching become the method on flat surface at the protrusion that the place of limit part by the lining of collapsing than this produces because of this deburring because of the above-mentioned burr that produces on the carriage that is machined in; Be the inside or surperficial side configuration supporting member at each lug, the peristome such as hole, groove of its upper shed is aimed at the punching of each lug, reverse side one side configuration clamping components at each lug, the peristome such as hole, groove of its upper shed is aimed at the punching of lug, with above-mentioned supporting member and each lug of clamping components clamping, at the inner peripheral surface of processing the punching of the lug more than 2 under this clamp position with machining tool, the protrusion of removing this inner peripheral surface makes inner peripheral surface become the job operation on flat surface.At this moment, in with the punching of deciding the lug of core component insertion more than 2 that will be elongated before supporting member and the clamping components clamping lug, carry out the core of deciding of punching and machining tool, extract after with supporting member and each lug of clamping components clamping and decide core component, (they) are decided core, can make inner peripheral surface become flat surface with removing above-mentioned protrusion in the punching of machining tool insertion with the lug more than 2 of supporting member and clamping components clamping.Little after than processing of which kind of method no matter, the internal diameter size that all makes the punching before the inner peripheral surface processing, handling, remove with machining tool that inner peripheral surface that protrusion makes punching becomes flat surface and make internal diameter by deburring is the size of regulation.

The punching inner peripheral surface processing of bracket for hard disk of the present invention is the support tool that uses in the punching inner circumferential surface processing method of above-mentioned bracket for hard disk with support tool, supporting member devices spaced apart more than 2 is configured, the width that each lug that is spaced apart carriage between these supporting members and each clamping components are inserted is provided with peristomes such as the hole that can aim at the punching of lug, groove on each support plate.

The punching inner peripheral surface processing of bracket for hard disk of the present invention is the clamping device that uses in the punching inner circumferential surface processing method of above-mentioned bracket for hard disk with clamping device, clamping components more than 2 separates each lug that can insert carriage and the interval of supporting member is configured, one end of these clamping components is fixed, other end freedom, the free end of each clamping components forms the hole that can aim at the punching of lug, peristomes such as groove, if make each clamping components to each lug one side change with driving body, then free end can press on each lug, if, then can remove above-mentioned pressing to change in the other direction.At this moment, can make clamping components is elastic plate.

The punching inner peripheral surface processing unit (plant) of bracket for hard disk of the present invention has the worktable that bracket for hard disk is installed, fixedly be installed in the carriage compaction tool of the carriage on the worktable, possess that clamping respectively more than 2 separates the interval of carriage and the support tool of the supporting member of the lug more than 2 that forms, the clamping device that possesses the clamping components more than 2, be inserted into the machining tool of processing inner circumferential surface in the punching of the lug of with the clamping components clamping of the supporting member of support tool and clamping device.Above-mentioned supporting member more than 2 separates the interval that can insert each clamping components and each lug and is configured, each supporting member is provided with peristomes such as the hole that can aim at the punching of lug, groove, above-mentioned clamping components more than 2 separates the interval that each supporting member and each lug can insert and is configured, and is formed with peristomes such as the hole that can aim at the punching of lug, groove on each clamping components.And, above-mentioned clamping components one end more than 2 is fixed, other end freedom, on freedom one end of each clamping components, be formed with peristomes such as the hole that can aim at the punching of lug, groove, if make each clamping components to each lug one side change with driving body, then free end can be crimped on each lug, if to change in the other direction, then remove above-mentioned pressing.Can make above-mentioned clamping components more than 2 is elastic plate.

Description of drawings

Fig. 1 is the stereographic map of an example of expression bracket for hard disk of the present invention.

Fig. 2 A is the details drawing about the lug top ends of bracket for hard disk of the present invention.

Fig. 2 B is the X-X line cut-open view of Fig. 2 A.

Fig. 2 C is a cut-open view of removing the punching behind the bump.

Fig. 3 A is the vertical view of inner peripheral surface instrumentation position of the punching of expression bracket for hard disk of the present invention.

Fig. 3 B is the instrumentation figure at the inner peripheral surface of the A of Fig. 3 A, B, four any a slice lugs of local instrumentation of C, D.

Fig. 3 C is the instrumentation figure at the inner peripheral surface of A, B, four another sheet lugs of local instrumentation of C, D.

Fig. 4 is the stereographic map about the state of the bullport three aligning of the bullport that makes punching, supporting member in the process of processing hard disk of the present invention with the inner peripheral surface of the punching of carriage, clamping components.

Fig. 5 is the longitudinal diagram of deciding core of explanation punching in the method for the inner peripheral surface of the punching of processing hard disk usefulness carriage of the present invention.

Fig. 6 be processing hard disk of the present invention with the method for the inner peripheral surface of the punching of carriage in longitudinal diagram during with the inner peripheral surface of machining tool processing punching.

Fig. 7 is the key diagram of an example of expression support tool of the present invention.

Fig. 8 is the key diagram of first example of expression clamping device of the present invention.

Fig. 9 A is the approximate vertical view of the configuration of expression supporting member of the present invention, clamping components and carriage.

Fig. 9 B is the summary lateral view of Fig. 9 A.

Figure 10 is the key diagram of second example of expression clamping device of the present invention.

Figure 11 is the key diagram of the 3rd example of expression clamping device of the present invention.

Figure 12 is the stereographic map of an example of the inner peripheral surface processing unit (plant) of expression punching of the present invention.

Figure 13 is the stereographic map of an example of expression bracket for hard disk.

Figure 14 is the stereographic map of the configuration relation of expression magnetic head of bracket for hard disk and hard disk.

Figure 15 A is the stereographic map of the punching part of bracket for hard disk.

Figure 15 B is the X-X sectional view of Figure 15 A.

Figure 15 C is the instrumentation figure that the protrusion of removing the punching of Figure 15 B becomes the inner peripheral surface behind the flat surface

Embodiment

(example of the present invention)

As shown in Figure 1, bracket for hard disk of the present invention is by being machined in the prominent side by side lug of establishing more than 21 of root 50 place's devices spaced apart, remove because of the above-mentioned burr that generates on the carriage that is machined in by deburring processing such as etching processing deburring processing or electrochemical deburring processing, because this deburring is handled, the peripheral inside part 6a of the punching (ス エ Star ジ ホ one Le) 6 of such lug 1 shown in Fig. 2 B, the 6b limit of collapsing, remove than this periphery inside part (the limit part of collapsing) 6a, 6b makes inner peripheral surface 9 become flat surface like that shown in Fig. 2 C by the protrusion 6c of the inboard generation of lining.The instrumentation that is become the inner peripheral surface 9 behind the flat surface is shaped as the such flat surface of Fig. 3 B, Fig. 3 C.Fig. 3 B, Fig. 3 C are the instrumentation figure of 2 lugs (the 1st and the 6th) in the bracket for hard disk, are respectively the result in criss-cross 4 places (A of Fig. 3 A, B, C, D4 local) of inner peripheral surface of the punching 6 of axis direction (above-below direction of Fig. 2 C) the instrumentation lug along punching 6.In this case, the internal diameter of punching 6 before the processing is formed littler, make inner peripheral surface 9 become flat surface, can make the internal diameter of punching 6 become the size of regulation by removing protrusion 6c (Fig. 2 B) than the size of final processing.Other shape, sheet number, interval etc. also can be taked in the sheet number of the shape of bracket for hard disk of the present invention, lug, the interval of lug etc.

The protrusion 6c (Fig. 2 B) that bracket for hard disk of the present invention is handled the inner peripheral surface 9 that can remove punching 6 by following processing becomes flat surface.As shown in Figure 4, respectively at the inside or the surface configuration lug rest pad (supporting member) 2 of each lug 1, the peristome 5 such as hole, groove of its upper shed is aimed at respectively with the punching 6 of each lug 1.And,, the peristomes 5 such as hole, U font groove of its upper shed are aimed at the punching 6 of lug 1 at the reverse side of each lug 1 configuration clamping components 3.Utilize these supporting members 2 and each lug 1 of clamping components 3 clampings, under this state, as shown in Figure 6 machining tool 8 is inserted in the punching 6 of the lug 1 more than 2, with the inner peripheral surface 9 of the lug 1 of these machining tool 8 time processing more than 2, the protrusion 6c that removes this inner peripheral surface 9 makes it become flat surface.At this moment, with machining tool 8 first being processed, the core position alignment (deciding core) of the core and the machining tool 8 of punching 6 will be made as shown in Figure 5 in the slender rod shaped punching 6 of deciding the lug 1 of core component 7 insertions more than 2.Then, with supporting member 2 and each lug 1 of clamping components 3 clampings, extract make after deciding core component 7 machining tool (for example reamer) 8 from top while rotating the punching 6 that pushes these lugs 1 more than 2, cutting at one time or the protrusion 6c of inner peripheral surface 9 that grinds the punching 6 of the lug of cutting more than 21 can be processed into flat surface with inner peripheral surface 9.After process finishing, in the punching 6 of the lug more than 21, extract machining tool 8, take out supporting member 2 and clamping components 3 from the gap between the lug 1.Machining tool 8 also can use the instrument beyond the reamer.

Above-mentioned support tool can use support tool as shown in Figure 7.With certain interval overlapping, the dividing plate 10 that the sandwich heavy wall is tabular is screwed into screw polylith supporting member 2 and dividing plate 10 is become one support tool shown in Figure 7 with polylith supporting member 2.Above-mentioned interval adopt with up and down lug 1 between the identical or similar identical distance in interval, make it to insert easily between the lug 1.Form the peristome 4 of the elongated U font groove of up/down perforation at the center section of the length direction of each supporting member 2.When making supporting member 2 picture be close to the bottom surface of lug 1 as shown in Figure 5, this peristome 4 be configured in punching 6 below.The shape of peristome 4 can be circular port, slotted eye or other shape.Be formed with on the following bottom surface of the peristome 4 of the supporting member 2 of Fig. 7 toward the depressed part 13 that caves in above.This depressed part 13 is to be used for discharging as shown in Figure 6 with machining tool 8 cuttings, the cutting that produces when grinding the inner peripheral surface of processing punchings 6 such as cutting or to grind and cut powder etc.Peristomes such as the hole that this support tool owing to be formed with on the polylith supporting member can be aimed at the punching position of lug, groove, even therefore supporting member is close on the lug, supporting member does not hinder yet machining tool is inserted in the punching, machining tool can be inserted and process inner circumferential surface in the punching.

Above-mentioned clamping device for example can use clamping device as shown in Figure 8.Clamping device shown in Figure 8 makes a plurality of clamping components 3 clip dividing plate 15 and with certain interval overlapping, root and dividing plate 15 are fixed and become one at root.Clamping components 3 is tapered to the top from root, has laterally in the place of length direction in the middle of roughly to be the oval handle hole 16 of major axis, has the peristome 5 of U word groove shape on the top.Operating body 19 inserts in the aforesaid operations hole 16.Operating body 19 uses the bar of driving bodies 18 such as cylinder or oil cylinder, if make operating body 19 liftings with driving body 18, then makes top (free end) lifting (can change up and down) of clamping components 3.When making clamping components 3 be close to the upper surface of lug 1 as shown in Figure 4, above-mentioned peristome 5 be configured in punching 6 above.Clamping components 3 uses elastic plate, makes its top such easy swinging up and down shown in imaginary line among Fig. 8.By like this, after the top that makes clamping components 3 is inserted above the lug 1 shown in Fig. 9 B like that, if make operating body 19 declines that the top of clamping components 3 is descended with driving body 18, the top is pressed in as shown in Figure 6 the upper surface of lug 1, then the top of clamping components 3 presses the upper surface at lug 1 under the effect of elastic force, can positively lug 1 be clamped between clamping components 3 and the supporting member 2.Driving body 18 (Fig. 8) can also use motor and other devices except that using vapour-pressure type or hydraulic type cylinder.The structure of operating body 19 also can be structure or the shape beyond the diagram.Because an end of a plurality of clamping components of this clamping device is fixed, other end freedom, the free end of each clamping components is formed with peristomes such as the hole that can aim at punching position, groove, if therefore make their position alignment, even then making clamping components and lug is close to, supporting member can not hinder yet machining tool is inserted in the punching, machining tool can be inserted and process inner circumferential surface in the punching.

Clamping device also can be a clamping device shown in Figure 10.This clamping device clamping components 3 with Fig. 8 in the following areas is identical: clamping components 3 uses elastic plate, and the root of clamping components 3 is fixed, and keeps clamping components 3 with certain interval, on the top of clamping components 3 peristome etc. is arranged.Be separated into up and down with dividing plate 20 in the hole of growing crosswise of operating body 19 of box-shaped and respectively insert this clamping components 3.If this clamping device makes operating body 19 liftings with not shown driving body, the then top of clamping components 3 (right side of Figure 10) lifting can be clamped in lug 1 between this (clamping components 3) top and the supporting member 2 as shown in Figure 6.

Clamping device also can be a clamping device shown in Figure 11.Also the clamping components 3 with Fig. 8 is identical in the following areas for this clamping device: clamping components 3 uses elastic plate, and the root of clamping components 3 is fixed, and keeps clamping components 3 with certain interval, on the top of clamping components 3 bullport etc. is arranged.This clamping device is disposing operating bodies 19 such as pipe or pole up and down between the clamping components 3, if make its lifting with the driving body that does not illustrate among the figure, the then top interlock lifting of multi-disc clamping components 3 can be clamped in lug 1 between the top and supporting member 2 of this clamping components 3 as shown in Figure 6.Because these clamping devices make each clamping components lifting with operating body, the free end of each clamping components can be changed up and down, therefore when the slit of clamping components being inserted between the lug, can make the position of clamping components be positioned at the centre in its slit, can make the clamping components change that free end is pressed on lug with operating body after the insertion, so the slit that clamping components inserts/extracts between the lug become easy.And become reliable with supporting member clamping lug.

The shape of clamping components 3 can adopt other arbitrary shape.Though the elastic plate of clamping components 3 preferred stainless steels also can adopt other character, the material of material.The shape of the bullport that clamping components 3 tops form also can adopt circular port, slotted eye or other shape.By adopting elastic plate, utilize the elastic force of elastic plate to make the clamping of supporting member and lug become more reliable.

Configure them the man-hour that adds that the support tool of use Fig. 7 and the clamping device of Fig. 8 carry out the inner peripheral surface of punching as Fig. 9 A, Fig. 9 B, carry out as described below under this state.

1. supporting member 2 that will Fig. 9 A, Fig. 9 B inserts up and down and is close on the bottom surface of lug 1 between the lug 1, with clamping components 3 insert be configured between the lug 1 up and down lug 1 above.At this moment, fix supporting member 2, clamping components 3, the direction of arrow rotation lug 1 along Fig. 9 A inserts lug 1 between supporting member 2 and the clamping components 3.

2. by operation driving body 18 operating body 19 is descended, make clamping components 3 become approximate horizontal as shown in Figure 5 thus from the state decline of Fig. 9 B.At this moment, the peristome 5 that makes the peristome 4 of punching 6, supporting member 2 of lug 1 and clamping components 3 position alignment as shown in Figure 4.

3. then, as shown in Figure 5 from the top peristome 5 of pipe, pole etc. decide the peristome 4 of core component 7 insertion punchings 6 and supporting member 2 and clamping components 3, make the core position alignment (deciding core) of the machining tool 8 of the core of punching 6 and Fig. 6.

4. after deciding core, use supporting member 2 and clamping components 3 clamping lugs, extract then and decide core component 7, then picture makes machining tool 8 push from above while rotating in the punching 6 on the peristome 5 of peristome 4, clamping components 3 of supporting member 2 and lug 1 top as shown in Figure 6, cut or grind the protrusion 6c (Fig. 6) of the inner peripheral surface of cutting punching 6, inner peripheral surface 9 is become flat surface.

5. after process finishing, remove the clamping of supporting member 2 and 3 pairs of lugs 1 of clamping components, then from taking out supporting member 2 and clamping components 3 between the lug 1.At this moment, by between supporting member 2 and clamping components 3, taking out lug 1 along the direction rotation lug 1 opposite with the arrow of Fig. 9 A.That is, from taking out supporting member 2 and clamping components 3 between the lug 1.

Carry out above-mentioned adding and to use punching inner peripheral surface processing unit (plant) shown in Figure 12 man-hour.The machining tool (not shown) of the punching inner peripheral surface of the lug 1 of clamping components 3 clampings of the support tool 34 of the lug 1 of the carriage compaction tool 33 of analog bracket 30, clamping carriage 30 and supporting member 2 that clamping device 35, processing are supported instrument 34 and clamping device 35 when the processing unit (plant) of Figure 12 possesses the worktable 31 of installation bracket 30, the upright inner peripheral surface that is located at carriage guide rod 32 above the worktable 31, processing punching.Carriage guide rod 32 adopts the diameters pole thinner slightly than the turning axle mounting hole 36 of carriage 30, makes it can be from turning axle mounting hole 36 on the upper cover, and, make the carriage 30 that is covered can be slightly along any direction slippage of 360 °.Carriage compaction tool 33 is to be covered with the carriage 30 that carriage guide rod 32 is installed in order to push down from above, carriage 30 is fixed on the worktable 31, be installed on the bar 38 of vapour-pressure type or hydraulic type cylinder 37, can be along the direction of arrow rotation of Figure 12, and can oscilaltion, if its rotation on carriage 30 is descended again, carriage 30 can be compressed and is fixed on the worktable 31, compress if make its rising then can remove.39 of Figure 12 is a frame, and 40 is the yoke that is installed in the rear end of carriage 30.If use this inner peripheral surface processing unit (plant), because the carriage guide rod is arranged, therefore carriage is installed on the carriage guide rod, can determine the position of carriage; Owing to the carriage compaction tool is arranged, therefore can push down the carriage that is installed on the carriage guide rod and make it stable; Because the lug of the supporting member of the enough support tools of energy and the clamping components clamping carriage of clamping device, therefore lug is stablized, can be processed accurately in the process of processing punching inner peripheral surface.

The invention effect

Bracket for hard disk of the present invention has following such effect.

(1) make inner peripheral surface become flat surface owing to remove the protrusion of punching, therefore when being installed to suspension in the punching with riveted joint, the confining force of riveted joint can not reduce, and it is reliable that the installation of suspension becomes.

(2) owing to make the internal diameter of the punching before inner peripheral surface is handled littler than the size after handling, handle, remove protrusion by deburring with machining tool, make the internal diameter of punching become the size of regulation thus, also can not become excessive even therefore remove the internal diameter of protrusion punching.

(3) owing to suspension is installed in the punching that makes after inner peripheral surface becomes flat surface, therefore becomes suspension stable bracket for hard disk is installed by riveted joint.

(4) if with the lug of supporting member and clamping components clamping carriage, the inner peripheral surface of the punching of time processing lug, then lug is not yielding, and the inner peripheral surface of the punching of all lugs all becomes flat surface equably, and suspension is installed to and becomes even in the punching.

(5) if the peristome such as hole, groove of supporting member and clamping components upper shed is aimed at punching position, remove the protrusion of punching inner peripheral surface then with machining tool, then promptly use supporting member and clamping components clamping lug, they can not hinder the inner peripheral surface of processing punching yet.

(6) if before using supporting member and clamping components clamping lug, core component be will decide and punching core punching decided at the higher level but not officially announced and machining tool inserted, use the protrusion of the punching of machining tool time processing multi-disc lug then, it is even that core is all decided in then all punchings, and suspension is installed to and becomes reliable and even in these punchings.

The inner circumferential surface processing method of the punching of bracket for hard disk of the present invention has following such effect.

(1) because with the lug of supporting member and the clamping components clamping carriage inner peripheral surface with machining tool processing punching, even therefore time processing multi-disc lug, lug is also indeformable.

(2) because before using supporting member and clamping components clamping lug, core component be will decide and punching core punching decided at the higher level but not officially announced and machining tool inserted, then machining tool is inserted the inner peripheral surface of processing punching in the punching, even therefore process the multi-disc lug simultaneously, the inner peripheral surface of all punchings is also decided core processing.

(3) owing to peristomes such as the hole that makes supporting member and clamping components upper shed, groove are aimed at punching position, remove the not part of punching inner peripheral surface then with machining tool, therefore promptly use supporting member and clamping components clamping lug, they can not hinder the inner peripheral surface of processing punching yet.

(4) owing to make the internal diameter of the punching before inner peripheral surface is handled littler than the size after handling, handle, remove not part by deburring with machining tool, make the internal diameter of punching become the size of regulation thus, also can not become excessive even therefore carry out these internal diameters of handling punching.

Peristomes such as the hole that the inner peripheral surface processing of the punching of bracket for hard disk of the present invention can be aimed at the punching position of lug owing to formation on the multi-disc supporting member with support tool, groove, even therefore supporting member is close on the lug, supporting member can not hinder yet machining tool is inserted in the punching, machining tool can be inserted and process inner circumferential surface in the punching.

The inner peripheral surface processing of the punching of bracket for hard disk of the present invention has following such effect with clamping device.

(1) owing to an end of multi-disc clamping components is fixed, other end freedom, on the free end of each clamping components, be formed with peristomes such as the hole that can aim at the punching position of lug, groove, if therefore make their position alignment, even then clamping components is close on the lug, supporting member can not hinder yet machining tool is inserted in the punching, machining tool can be inserted and process inner circumferential surface in the punching.

(2) owing to freedom one end of each clamping components can be changed with operating body, therefore when plugging clamping components between the slit between lug, can make in the middle of the therebetween crack, position of clamping components, after insertion, make the clamping components change with operating body, a free end is pressed on lug, and therefore the plug clamping components becomes easy in the gap between lug.And, become reliable with supporting member clamping lug.

(3) be elastic plate owing to making the multi-disc clamping components, so this elastic force make clamping components and supporting member clamping lug become more reliable.

The punching inner peripheral surface processing unit (plant) of bracket for hard disk of the present invention has following such effect.

(1) because the carriage guide rod is arranged, therefore carriage can be installed in the position of determining carriage on the carriage guide rod.

(2) because the carriage compaction tool is arranged, therefore can push down the carriage that is installed on the carriage guide rod and make it stable.

(3) because the lug of the clamping components clamping carriage of supporting member that can enough support tools and clamping device, therefore lug is stable in the process of processing punching inner peripheral surface, can process accurately.

Claims (21)

1. one kind is spaced by the front end that is machined in root and is equipped with at interval the metallic bracket for hard disk of 2 above lugs side by side, it is characterized in that, remove the burr that on carriage, produces because of above-mentioned machining by deburring processing such as etching processing deburring processing, electrochemical deburring processing, remove the peripheral inside part of handling the punching that makes lug because of this deburring collapse the limit the ratio of this punching should the periphery inside part by the protrusion that inboard place produces, make the punching inner peripheral surface become flat surface.

2. one kind by the front end that the is machined in root at interval prominent side by side metallic bracket for hard disk of establishing 2 above lugs that is spaced, it is characterized in that, the internal diameter of the punching of lug is formed forr a short time than final processing dimension, handle by etching processing deburring, deburrings such as electrochemical deburring processing are handled and remove the burr that produces because of above-mentioned machining on carriages, remove because of this deburring and handle the peripheral inside part that the makes above-mentioned punching protrusion that the limit should the periphery inside part produces by inboard place at the ratio of this punching that collapses, make the punching inner peripheral surface become flat surface, and make the internal diameter of punching become preliminary dimension.

3. bracket for hard disk as claimed in claim 1 or 2 is characterized in that suspension is installed in this punching by riveted joint.

4. the punching inner circumferential surface processing method of a bracket for hard disk, the front end that is formed on root by machining is spaced and is equipped with the bracket for hard disk of 2 above lugs at interval side by side, handle by etching processing deburring, deburrings such as electrochemical deburring processing are handled and are removed because of the above-mentioned burr that produces on the carriage that is machined in, remove the peripheral inside part of handling the punching that makes lug because of this deburring limit of collapsing, thereby the protrusion of locating to produce by the inboard in limit part of collapsing than this makes the inner peripheral surface of punching become flat surface, it is characterized in that, the inside or surperficial side configuration supporting member at each lug make the hole of opening thereon, peristomes such as groove are aimed at the punching of each lug; At reverse side one side of each lug configuration clamping components, the peristomes such as hole, groove of its upper shed are aimed at the punching of lug; Each lug with above-mentioned supporting member and clamping components clamping, at the inner peripheral surface of processing the punching of the lug more than 2 under this clamp position with machining tool, thereby the protrusion of removing this inner peripheral surface makes inner peripheral surface become flat surface.

5. the punching inner circumferential surface processing method of bracket for hard disk as claimed in claim 4, it is characterized in that, in the punching of deciding the lug of core component insertion more than 2 that will be elongated before lug with supporting member and clamping components clamping, carry out the core of deciding of punching and machining tool, extract after with supporting member and each lug of clamping components clamping and decide core component, decided core, machining tool is inserted in the punching of the lug of with supporting member and clamping components clamping more than 2, the protrusion of removing punching with this machining tool makes the punching inner peripheral surface become flat surface.

6. as the punching inner circumferential surface processing method of claim 4 or 5 described bracket for hard disk, it is characterized in that, the internal diameter size of the punching before inner peripheral surface is handled little after than processing, handle, remove the inner peripheral surface that protrusion makes punching with machining tool and become flat surface by deburring, and make internal diameter become predetermined size.

7. the support tool that uses in the punching inner circumferential surface processing method of bracket for hard disk as claimed in claim 4, it is characterized in that, the supporting member of devices spaced apart configuration more than 2, the width that each lugs that is spaced apart carriage of these supporting members and clamping components are inserted, each support plate are provided with peristomes such as the hole that can aim at the punching position of lug, groove.

8. the support tool that uses in the punching inner circumferential surface processing method of bracket for hard disk as claimed in claim 5, it is characterized in that, the supporting member of devices spaced apart configuration more than 2, the width that each lug that is spaced apart carriage between these supporting members and clamping components are inserted, each support plate are provided with peristomes such as the hole that can aim at the punching position of lug, groove.

9. the support tool that uses in the punching inner circumferential surface processing method of bracket for hard disk as claimed in claim 6, it is characterized in that, the supporting member of devices spaced apart configuration more than 2, the width that each lug that is spaced apart carriage between these supporting members and clamping components are inserted, each support plate are provided with peristomes such as the hole that can aim at the punching position of lug, groove.

10. the clamping device that uses in the punching inner circumferential surface processing method of bracket for hard disk as claimed in claim 4, it is characterized in that, separate each lug that can insert carriage and the clamping components of arranged spaced more than 2 of supporting member, one end of these clamping components is fixed, other end freedom, form the hole that to aim at the punching position of lug on the free end of each clamping components, peristomes such as groove, if make each clamping components to each lug one side change with driving body, then free end can press on each lug, if change round about, then above-mentioned pressing is disengaged.

11. the clamping device that uses in the punching inner circumferential surface processing method of bracket for hard disk as claimed in claim 5, it is characterized in that, separate each lug that can insert carriage and the clamping components of arranged spaced more than 2 of supporting member, one end of these clamping components is fixed, other end freedom, form the hole that to aim at the punching position of lug on the free end of each clamping components, peristomes such as groove, if make each clamping components to each lug one side change with driving body, then free end can press on each lug, if change round about, then above-mentioned pressing is disengaged.

12. the clamping device that uses in the punching inner circumferential surface processing method of bracket for hard disk as claimed in claim 6, it is characterized in that, separate each lug that can insert carriage and the clamping components of arranged spaced more than 2 of supporting member, one end of these clamping components is fixed, other end freedom, form the hole that to aim at the punching position of lug on the free end of each clamping components, peristomes such as groove, if make each clamping components to each lug one side change with driving body, then free end can press on each lug, if change round about, then above-mentioned pressing is disengaged.

13. clamping device is used in the processing of the punching inner peripheral surface of bracket for hard disk as claimed in claim 10, it is characterized in that clamping components is an elastic plate.

14. clamping device is used in the processing of the punching inner peripheral surface of bracket for hard disk as claimed in claim 11, it is characterized in that clamping components is an elastic plate.

15. clamping device is used in the processing of the punching inner peripheral surface of bracket for hard disk as claimed in claim 12, it is characterized in that clamping components is an elastic plate.

16. the punching inner peripheral surface processing unit (plant) of a bracket for hard disk, it is characterized in that, have: the worktable of placing bracket for hard disk, the carriage compaction tool of the carriage of fixed placement on worktable, possess being spaced at interval and the support tool of the supporting member of 2 above lugs that form on the carriage of clamping respectively more than 2, the clamping device that possesses the clamping components more than 2 inserts in the punching of the lug of with the clamping components clamping of the supporting member of support tool and clamping device the machining tool with the processing inner circumferential surface.

17. the punching inner peripheral surface processing unit (plant) of bracket for hard disk as claimed in claim 16, it is characterized in that, supporting member more than 2 separates the interval that can insert each clamping components and each lug and is configured, peristomes such as the hole that setting can be aimed at the punching position of lug on each supporting member, groove; Clamping components more than 2 separates the interval that each supporting member and each lug can insert and is configured, and is formed with peristomes such as the hole that can aim at the punching position of lug, groove on each clamping components.

18. the punching inner peripheral surface processing unit (plant) of a bracket for hard disk, it is characterized in that, have: the worktable of placing carriage, the carriage compaction tool of the carriage of fixed placement on worktable, possess that the devices spaced apart on the carriage in difference clamping more than 2 and the support tool of the supporting member of the lug more than 2 that forms, the clamping device that possesses the clamping components more than 2, thereby the machining tool of processing inner circumferential surface in the punching of the lug that the clamping components clamping of the supporting member of insertion usefulness support tool and clamping device; Above-mentioned supporting member more than 2 separates the interval that can insert each clamping components and each lug and is configured, and each supporting member is provided with peristomes such as the hole that can aim at the punching position of lug, groove; Above-mentioned clamping components more than 2 separates each supporting member and is configured with the interval that each lug can insert, one end of these clamping components is fixed, other end freedom, on the free end of each clamping components, be formed with peristomes such as the hole that can aim at the punching position of lug, groove, if make each clamping components to each lug one side change with driving body, then free end can press on each lug, if change round about, then above-mentioned pressing is disengaged.

19. the punching inner peripheral surface processing unit (plant) of bracket for hard disk as claimed in claim 16 is characterized in that the clamping components more than 2 is an elastic plate.

20. the punching inner peripheral surface processing unit (plant) of bracket for hard disk as claimed in claim 17 is characterized in that the clamping components more than 2 is an elastic plate.

21. the punching inner peripheral surface processing unit (plant) of bracket for hard disk as claimed in claim 18 is characterized in that the clamping components more than 2 is an elastic plate.

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