CN101342560A - Method for manufacturing cylinderical case - Google Patents
Method for manufacturing cylinderical case Download PDFInfo
- Publication number
- CN101342560A CN101342560A CNA2008101322153A CN200810132215A CN101342560A CN 101342560 A CN101342560 A CN 101342560A CN A2008101322153 A CNA2008101322153 A CN A2008101322153A CN 200810132215 A CN200810132215 A CN 200810132215A CN 101342560 A CN101342560 A CN 101342560A
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- Prior art keywords
- membranous part
- stock material
- sheet stock
- cylindrical case
- surperficial
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/40—Plastics
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Manufacture Of Motors, Generators (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
The invention relate to a manufacturing method of a case, wherein needless parts are not generated on a surface film part of an insulation surface film. In addition, after punching, the operation of mounting the surface film part of a magnet is not required. Producibility is excellent. The invention relates to a manufacturing method of the cylindrical case by which the cylindrical case 1 is punched by successively sending out a plate-shaped base stock 11 on which guide holes 12 are provided at a prescribed pitch along the longitudinal direction while being guided by these holes 12 with a progressive press device 8. A ring-like film part 13 is formed on the plate-shaped base stock 11 on the basis of the guide holes 12. The cylindrical case 1 on the inner peripheral surface 5 of which the film part 13 is arranged is successively punched by performing the delivering stage of the plate-shaped base stock 11 with the progressive press device 8.
Description
The present invention is denomination of invention the dividing an application for No. 200510064558.7 application for a patent for invention of " cylindrical case manufacturing method " of on April 13rd, 2005 application.
Technical field
The present invention relates to a kind of manufacture of casing.
Background technology
In portable phone, adopt electrostatic microphone.This electrostatic microphone has cylindrical case.In addition, in recent years, the overall dimensions of this electrostatic microphone diminish (densification).Specifically, in the cylindrical case in the past, adopting thickness is the aluminium sheet of 0.3mm, relative with this occasion, and in cylindrical case in recent years, adopting thickness is the pack fong plate of 0.1mm, realizes reducing of overall dimensions.That is, in recent years, because overall dimensions diminishes, its material adopts platinoide, so that guarantee product strength.
But, owing to keep the characteristic (electrostriction, sensitivity) of microphone, so must insulating surface film be set in the inboard of cylindrical case.In addition, this insulating surface film is unwanted at the inner face of roof, and only the inner face (inner peripheral surface) at perisporium is essential.
In the occasion of making such cylindrical case, such as, pressure apparatus is transported in employing in proper order, by sheet stock material, carries out punching press successively.In this occasion, on a face of sheet stock material, the insulating materials that coating constitutes insulating surface film carries out punching press at this state, in the cylindrical case 50 of punching press, and as shown in Figure 10, in the entire scope of this inner face 51, formation insulating surface film 52.In addition, the order transport pressure apparatus such as the manufacture method that is used for flange (such as, with reference to patent documentation 1).
Patent documentation 1:JP spy opens the 2004-11981 document
Summary of the invention
Thus, in the cylindrical case 50 that resembling above-mentioned Figure 10, forms, also do not needing position 53,54 that insulating materials is set.Thus, must peel off the insulating materials that this does not need position 53,54.In this occasion, such as, the insulating materials that does not need position 53,54 is peeled off in processing by blast cleaning or sword spare etc.But the homework precision of this overburden operation is lower, produces a large amount of substandard products, and after punching press, necessarily requires such overburden operation, and manufacturing step is more, and productivity is poor.
In addition, the vibration that is used for portable phone etc. as shown in Figure 11, comprises axle 55 with motor, is fixed in this coil portion 56 on 55, the motor casing 57 that coil portion 56 is admit shape etc.In addition, this motor casing 57 is by the housing main body 59 of the cylindrical shell with roof 58, constitutes with magnet 62 on the inner peripheral surface 61 of the perisporium 60 that is installed on this housing main body 59, and axle 55 inserts in the axle center hole 63 of above-mentioned roof 58 by bearing 64.
But in the past, above-mentioned motor casing 57 is made by following method.That is, as Figure 12 and shown in Figure 13, at first, carry out operations such as punch process and machining, form housing main body 59, and carry out operations such as sintering and machining, the magnetic of formation ring-type (such as, ferrite or neodymium compound (rare-earth compound) etc.) M.Then, on the inner peripheral surface 61 of the perisporium 60 of this housing main body 59, adopt bonding agent etc., magnetic M is fixed, then, this magnetic M is magnetized processing, form magnet 62.
Like this, in the past, necessarily require to make housing main body 59 step, the magnetic M that constitutes magnet 62 is carried out processing steps, magnetic M is installed on operations such as number of assembling steps on the housing main body 59.Thus, the number of working processes is more, and productivity is poor.
The present invention proposes for the shortcoming that solves the above-mentioned past, the object of the present invention is to provide a kind of cylindrical case manufacturing method, in this cylindrical case manufacturing method, what do not produce the surperficial membranous part that forms insulating surface film does not need the position, in addition, needn't after punch steps, the operations such as step of the surperficial membranous part that forms magnet portion be installed, highly productive.
So, technical scheme 1 described cylindrical case manufacturing method relates to following cylindrical case manufacturing method, wherein, transport pressure apparatus 8 by order, to longitudinally offer the sheet stock material 11 of pilot hole 12 by above-mentioned pilot hole 12 guiding with prescribed distance, simultaneously this sheet stock material is sent successively, cylindrical case 1 is carried out punching press, it is characterized in that in above-mentioned sheet stock material 11, with above-mentioned pilot hole 12 is benchmark, forms surperficial membranous part 13, then, transport the step of sending that pressure apparatus 8 carries out sheet stock material 11 by said sequence, successively the cylindrical case 1 with above-mentioned surperficial membranous part 13 is carried out punching press.
Technical scheme 5 described cylindrical case manufacturing methods relate to following cylindrical case manufacturing method, wherein, transport pressure apparatus 8 by order, to longitudinally offer the sheet stock material 11 of pilot hole 12 by above-mentioned pilot hole 12 guiding with prescribed distance, simultaneously this sheet stock material 11 is sent successively, cylindrical case 1 is carried out punching press, it is characterized in that having with pilot hole 12 is that pressure apparatus 8 is transported in sheet stock material 11 supplies of the surperficial membranous part 13 of the ring-type that forms of benchmark in proper order, send step, successively the cylindrical case 1 that above-mentioned surperficial membranous part 13 is set at inner peripheral surface 5 is carried out punching press.
According to technical scheme 1 described cylindrical case manufacturing method, transport the step of sending that pressure apparatus carries out sheet stock material, punching press cylindrical case successively by order.Then, surperficial membranous part is set at the inner peripheral surface of this cylindrical case, still, this surface membranous part transport in proper order with formation pressure apparatus sheet stock material send step the time the pilot hole of guide part be that benchmark forms.Thus, undertaken in the punch steps by transporting pressure apparatus in proper order, the relative stamping position of transporting pressure apparatus in proper order in position that is provided with of surperficial membranous part does not stagger, and in the cylindrical case of punching press, forms surperficial membranous part in regular position.That is, do not form surperficial membranous part, only form surperficial membranous part, needn't require strip step of the surperficial membranous part after the punch steps etc., highly productive at necessary position at unnecessary position.
According to technical scheme 2 described cylindrical case manufacturing methods, identical with the cylindrical case manufacturing method of technique scheme 1, surperficial membranous part with formation transport in proper order pressure apparatus send step the time the pilot hole of guide part be that benchmark forms.Thus, the relative stamping position of transporting pressure apparatus in proper order in position that is provided with of surperficial membranous part does not stagger, and in the cylindrical case of punching press, only forms surperficial membranous part at inner peripheral surface.That is, do not form surperficial membranous part, only form surperficial membranous part, needn't require the operations such as strip step of the surperficial membranous part after the punch steps, highly productive at necessary position at unnecessary position.
According to technical scheme 3 and 4 described cylindrical case manufacturing methods, because before the sheet stock material supply is transported pressure apparatus in proper order, carry out the inspection step of the dislocation etc. of above-mentioned surperficial membranous part, so the situation of the substandard products that can prevent to form that generation has dislocation etc.
According to technical scheme 5 described cylindrical case manufacturing methods, identical with technique scheme 2, the pilot hole of the guide part the when sheet stock material that surperficial membranous part transports pressure apparatus in proper order with formation is sent step is that benchmark forms.Thus, the relative stamping position of transporting pressure apparatus in proper order in position that is provided with of surperficial membranous part does not stagger, and in the cylindrical case of punching press, only forms surperficial membranous part at inner peripheral surface.That is, do not form surperficial membranous part, only form surperficial membranous part, needn't require the operations such as strip step of the surperficial membranous part after the punch steps, highly productive at necessary position at unnecessary position.
According to technical scheme 6 described cylindrical case manufacturing methods, because when transporting pressure apparatus and carry out punching press by order, the scope of cylindrical case of undesirable appearance membranous part that formation comprises dislocation etc. is before supply is transported pressure apparatus in proper order and punching press, so transport in the pressure apparatus in order, not punching press comprises the cylindrical case of undesirable appearance membranous part.Thus, in certified products, do not sneak into substandard products, needn't require from certified products, to detect the goods inspection of defective products, can improve productivity.In addition, can prevent to provide stable certified products with the situation of substandard products as goods.
According to technical scheme 7 described cylindrical case manufacturing methods, because when transporting pressure apparatus and carry out punching press by order, formation comprises the scope of cylindrical case of the undesirable appearance membranous part of dislocation etc., before supply is transported pressure apparatus in proper order, apply fail mark, so when transporting pressure apparatus and carry out punch steps by order, punching press comprises the cylindrical case of this undesirable appearance membranous part.But, owing in the cylindrical case that comprises the undesirable appearance membranous part, apply fail mark, so can be to distinguishing simply for the situation of substandard products.Thus, even in this occasion, still can prevent can provide stable certified products with the situation of substandard products as goods.
According to technical scheme 9 described cylindrical case manufacturing methods, be motor casing through the cylindrical case of punching press, only side face forms the magnet portion that is formed by magnetic within it.Thus, form magnet portion at inner peripheral surface, the cylindrical case that is provided with magnetic can form in the punch steps of transporting pressure apparatus in proper order, after punch steps, can omit the magnetic that will constitute magnet portion and be installed on the operation etc. of the inner peripheral surface of cylindrical shell, can seek the productive raising of motor.
Description of drawings
Fig. 1 (a)~Fig. 1 (d) is the simplification block diagram of expression cylindrical case manufacturing method of the present invention;
The sheet stock material that Fig. 2 is adopted for the above-mentioned cylindrical case manufacturing method of expression, Fig. 2 (a) is the simplification amplification view of major part of the 2nd sheet stock material, Fig. 2 (b) is that the major part of the 3rd sheet stock material is simplified amplification view, Fig. 2 (c) is that the major part of the 4th sheet stock material is simplified amplification view, and Fig. 2 (d) is that the major part of the 5th sheet stock material is simplified amplification view;
Fig. 3 is the amplification view by the cylindrical case of above-mentioned cylindrical case manufacturing method manufacturing;
Fig. 4 is the amplification plan view by the cylindrical case of above-mentioned cylindrical case manufacturing method manufacturing;
Fig. 5 transports the reduced graph of pressure apparatus for the order that above-mentioned cylindrical case manufacturing method adopted;
Fig. 6 is the reduced graph of another sheet stock material that above-mentioned cylindrical case manufacturing method adopted;
Fig. 7 is the also reduced graph of a sheet stock material that above-mentioned cylindrical case manufacturing method adopted;
Fig. 8 is the simplification block diagram of another cylindrical case manufacturing method of the present invention;
Fig. 9 is the simplified cross-sectional view according to the cylindrical case of above-mentioned cylindrical case manufacturing method manufacturing;
Figure 10 is the cutaway view of the cylindrical case in the manufacture process of cylindrical case manufacturing method in the past;
The simplified cross-sectional view of the vibrating motor that Figure 11 is adopted for portable phone etc.;
Figure 12 is the reduced graph of the manufacturing step of the above-mentioned vibrating motor of expression;
Figure 13 is the reduced graph of the motor casing of above-mentioned vibrating motor.
The specific embodiment
With reference to the accompanying drawings, the specific embodiment to cylindrical case manufacturing method of the present invention specifically describes.Fig. 3 is the amplification view by the cylindrical case 1 of this cylindrical case manufacturing method manufacturing.This cylindrical case 1 is for being used for the shell of electrostatic microphone, as Fig. 3 and shown in Figure 4, its by the housing main body 3 that forms by cylindrical shell with roof 2, be formed at this housing main body 3 the inner peripheral surface 5 of perisporium 4 on insulating surface film 6 constitute.In addition, the external diameter of this cylindrical case 1 is in the scope of 4~6 φ, and thickness (axial length) is 1mm.At this moment, the material of housing main body 3 by such as, thickness is the formation such as platinoide of 0.1mm, insulating surface film 6, such as, principal component is formed by epoxy polyester resin etc.In the roof 2 of housing main body 3, offer through hole 7.If like this, housing main body 3 adopts platinoides, then as the electrostatic microphone shell, even seeking still can to guarantee product strength under the situation that overall dimensions reduces.
This cylindrical case manufacturing method adopts such order shown in Figure 5 to transport pressure apparatus 8.This transports pressure apparatus 8 in proper order and comprises the backform 9 that moves up and down, the bed die 10 of supporting backform 9, between this backform 9 and bed die 10, supplies with the sheet stock material (stamping material) 11 that is used for punching press cylindrical case 1.That is, backform 9 has a plurality of pressing parts (diagram is omitted), transports in order and forms a plurality of machine table on the pressure apparatus 8.In addition, in sheet stock material 11, the longitudinally spaced according to the rules a plurality of pilot holes 12 (with reference to Fig. 1) that are provided with by these pilot hole 12 guiding, are sent sheet stock material 11 successively.Thus, transport in proper order by this, sheet stock material 11 is such to arrow, is sent to different machine table successively, at final platform, the cylindrical case 1 as goods is carried out punching press.In addition, the supply sheet stock material 11 that transports pressure apparatus 8 in proper order constitutes and is web-like and is wound in the band plate of supplying with the longer size on the tube 14.That is, sheet stock material 11 is formed by metallic plate or metal platinum etc.
Adopt Fig. 1 etc. below, this cylindrical case manufacturing method is described.At first, from the such sheet stock material (band plate) 11 of Fig. 1 (a), as shown in Fig. 1 (b), at both side edges 11a, the 11b side, vertical along it, spacing is offered pilot hole 12 according to the rules.Then, as Fig. 1 (c), be benchmark with established pilot hole 12, the surperficial membranous part 13 (, being insulating surface film 6) of printing ring-type in this occasion.This surface membranous part 13 such as, form by modes such as serigraphys.That is, reference pins is inserted pilot hole 12, position, the state in this location carries out the printing of surperficial membranous part 13.By programme-control, carry out the operations such as adjustment of the positive and negative stress of the moment of the turnover of reference pins, the number of times that vacuumizes, direct of travel.
In addition, pressure apparatus 8 is transported in sheet stock material 11 supplies of the state of Fig. 1 (c) in proper order.In this occasion, this transports pressure apparatus 8 in proper order as shown in Figure 5, comprises the 1st 15, the 2 16, the 3 17, the 4 18 and the 5th 19.The 1st 15 is the platform that is formed for the K of line portion (with reference to Fig. 1 (d)) of punching press cylindrical case 1, the 2nd 16 as shown in Fig. 2 (a), for being formed with the platform that foreign steamer 20, cross section are trapezoidal recess 21, the 3rd 17 as shown in Fig. 2 (b), for being formed with the platform of the rectangular recess in cross section 22, the 4th 18 as shown in Fig. 2 (c), for in the diapire 23 of recess 22, offering the platform of through hole 7, the 5th 19 as shown in Fig. 2 (d), constitutes the platform of the wall portion of recess 22 for punching press.Thus, in sheet stock material 11, offer through hole 24, through the wall portion formation cylindrical case 1 of punch process.At this moment, surperficial membranous part 13 is formed on the inner peripheral surface 5 of perisporium 4, still, as shown in Figure 3, to keep the mode of gap S slightly with roof 2, is arranged at roof 2 sides.
Like this, according to above-mentioned cylindrical case manufacturing method, carry out order transport pressure apparatus 8 sheet stock material 11 send step, successively cylindrical case 1 is carried out punching press.In addition, on the inner peripheral surface 5 of this cylindrical case 1, surperficial membranous part 13 is set, still, this surface membranous part 13 transport in proper order with formation pressure apparatus 8 sheet stock material 11 send step the time the pilot hole 12 of guide part be that benchmark forms.Thus, in the punch steps of transporting pressure apparatus 8 in proper order, surface membranous part 13 be provided with the position relatively order transport between the stamping position of pressure apparatus 8 and do not misplace, through in the cylindrical case 1 of punch process, only form surperficial membranous part 13 at inner peripheral surface 5 places.That is, do not form surperficial membranous part 13, only form surperficial membranous part 13, needn't require strip step of the surperficial membranous part 13 after the punch steps etc., highly productive at necessary position at unnecessary position.Particularly, be the electrostatic microphone shell through the cylindrical case 1 of punch process, only form insulating surface films 6 at inner peripheral surface 5.Thus, can be manufactured on the unnecessary scope of the inner face etc. of roof (upper wall 2) successively, not form insulating surface film 6, the good electrostatic microphone shell of microphone characteristic (electrostriction, sensitivity etc.).In addition and since insulating surface film 6 its with the inner face of roof 2 between have slightly gap S, so the higher electrostatic microphone shell of formation precision.In addition, the surperficial membranous part 13 that constitutes insulating surface film 6 can be formed on the sheet stock material 11 by printing, and this processing can simply correctly be carried out.The electrostatic microphone shell of generation of the short circuit phenomenon of the dislocation that can prevent insulating surface film 6 also has, is not used in the electrostatic microphone shell, so can be provided owing to produce the substandard products of location dislocation etc.
But, in the above-described embodiments, carry out the step of Fig. 1 (a)~Fig. 1 (d) successively, according to the present invention, also can be the only method of the step of Fig. 1 (d).That is, also can carry out the step of Fig. 1 (a)~Fig. 1 (c) at another workshop, pressure apparatus 8 is transported in the goods supply that will be in the state of Fig. 1 (c) in proper order.
In addition, also can before pressure apparatus 8 is transported in supply in proper order, carry out surperficial membranous part 13 is arranged at assigned position at the state of Fig. 1 (c), the printing of printing lacks inspection (such as, the inspection of the presentation manager etc.) step of having or not of portion etc.If like this, check step, in the occasion with undesirable appearance membranous part 25, the effect of pressure apparatus 8 grades is transported in sheet stock material 11 supplies that can realize will not having this undesirable appearance membranous part 25 in proper order, does not produce substandard products.
In addition, if having the undesirable appearance membranous part 25 of dislocation etc., then as shown in Figure 6, can to have this undesirable appearance membranous part 25, carry out punching press greater than the scope H of undesirable appearance membranous part 25, form large through-hole 26.So, if as Fig. 6, will transport pressure apparatus 8 in proper order to sheet stock material 11 supplies that this undesirable appearance membranous part 25 has carried out punch process, cylindrical case 1 is carried out punching press, then the cylindrical case 1 with undesirable appearance membranous part 25 is not carried out punching press.That is, because the scope H of above-mentioned large through-hole 26 is the scope of cylindrical case 1 that has the undesirable appearance membranous part 25 of dislocation etc. when being formed on punching press, so when carrying out punch steps, the cylindrical case 1 with this undesirable appearance membranous part 25 is not carried out punching press.Thus, in certified products, do not sneak into substandard products, needn't require from certified products to detect the goods inspection of substandard products etc., can improve productivity.In addition, can prevent to provide stable certified products with the situation of substandard products as goods.
Also have, also can be as shown in Figure 7, when being formed on punching press, have the scope H of cylindrical case 1 of the undesirable appearance membranous part 25 of dislocation etc., apply fail mark (color different painted) 27 with the color of surperficial membranous part 13.Thus, if pressure apparatus 8 is transported in sheet stock material 11 supplies of state shown in Figure 7 in proper order, then when carrying out punch steps, the cylindrical case 1 with undesirable appearance membranous part 25 is carried out punching press.But,, be the situation of substandard products so can simply distinguish this cylindrical case 1 owing on the cylindrical case 1 that comprises this undesirable appearance membranous part 25, apply fail mark 27.Thus, even in this occasion, still can prevent can provide stable certified products with the situation of substandard products as goods.In addition, in Fig. 7, painted of the fail mark 27 that is used to represent undesirable appearance membranous part 25 is shown to be represented by oblique line portion, its scope is only in interior all sides of undesirable appearance membranous part 25, obviously, also can be according to the mode in the scope H of integral body, the outer circumferential side of undesirable appearance membranous part 25 is carried out painted processing.
But in the above-described embodiments, cylindrical case 1 is the electrostatic microphone shell, still, also can be motor casing.In this occasion, can be as shown in Figure 8, surperficial membranous part 13 adopts magnetic M, will be formed on the sheet stock material 11 by the surperficial membranous part 13 that this magnetic M forms.In addition, magnetic M can adopt such as, ferrite or neodymium compound (rare-earth compound) etc.
That is, be benchmark with the pilot hole 12 of sheet stock material 11, the surperficial membranous part 13 that coating is formed by magnetic M.So, can transport pressure apparatus 8 in proper order by sheet stock material 11 supplies that will be formed with so surperficial membranous part 13, such cylindrical case shown in Figure 91 is carried out punching press.At this moment, in Fig. 8, at the width pars intermedia of sheet stock material 11, surperficial membranous part 13 is along its vertical setting.Thus, employed order is transported pressure apparatus 8 and is also had a plurality of 15, at each, the surperficial membranous part 13 corresponding a plurality of pressing parts with sheet stock material 11 is set.In addition, even in this occasion, as shown in Fig. 1 (a), also can be vertical along it, at the both side edges 11a of sheet stock material 11, the 11b side is provided with skin covering of the surface 13 respectively.
Have again, by order transport pressure apparatus 8 and the cylindrical case 1 of punching press as shown in Figure 9, constitute by the housing main body 31 with roof 30, the surperficial membranous part 13 that forms the magnet portion 34 on the inner peripheral surface 33 of the perisporium 32 that is arranged at this housing main body 31.In addition, on roof 30, offer axle center hole 35.In this occasion, the surperficial membranous part 13 that constitutes magnet portion 34 is not subjected to the magnetization of magnetic force, so handle by the magnetization that the magnetic M as this surface membranous part 13 is applied magnetic force, finishes motor casing.
Thus, can be at inner peripheral surface 33, in the punch steps of transporting pressure apparatus 8 in proper order, formation is formed with the cylindrical case (motor casing) as the surperficial membranous part 13 of magnet portion 34, different with the manufacture method in this past, operation on the inner peripheral surface that the magnetic that will constitute magnet portion is installed on cylindrical shell etc. can be omitted, the productivity of motor can be improved.In addition, in above-mentioned manufacture method, the film thickness value of magnetic M that forms surperficial membranous part 13 is perhaps not excessive.But,,,, still can carry out sufficient magnetic force magnetization and handle in the occasion of the vibrating motor that is used for portable phone even do not increase under the situation of thickness of magnetic M because magnetic M adopts ferrite or neodymium compound.Thus, even be used as under the situation of motor casing, still can bring into play the stable performance of this motor at the cylindrical case 1 that will make by above-mentioned manufacture method.
In addition, under the situation of making such motor casing, also can before being transported pressure apparatus 8 in proper order, sheet stock material 11 supplies carry out the inspection step of skin covering of the surface 13 equally.In addition,, have undesirable appearance membranous part 25, then can before pressure apparatus 8 is transported in supply in proper order, undesirable appearance membranous part 25 be carried out punching press, or on undesirable appearance membranous part 25, apply fail mark 27 as shown in Figure 6 if carry out this inspection step.If like this, check step, then in certified products, do not sneak into substandard products, needn't require from certified products to check the goods inspection of substandard products etc., can discern cylindrical case 1 simply and be the situation of substandard products.
But, according to the formed surperficial membranous part 13 of the various embodiments described above is ring-type (circular), but, because cylindrical case 1 as manufacturing, can be metallicity cylindrical shell, so be not limited to electrostatic microphone shell or motor casing with the surperficial membranous part 13 that forms by insulating materials, magnetic material (magnetic) etc.Thus, the shape of surperficial membranous part 13 is not limited to circular, can be other different shape of circle, rectangle etc.And, also can surperficial membranous part 13 be set at inner face through the roof 2 of the cylindrical case 1 of punching press.Like this, surperficial membranous part 13 is not a ring-type, in addition, the position of formed surperficial membranous part 13 can be not at the inner peripheral surface 5 of the perisporium 4 of cylindrical case 1, according to this manufacture method, can make the cylindrical case 1 that surperficial membranous part 13 is arranged at regular position at the goods that should form.
More than specific embodiment of the present invention is described, still, the invention is not restricted to above-mentioned form, can carry out the mode of various changes and implement according within the scope of the invention.Such as, the increase minimizing that order is transported the pressing part quantity at each 15 place in the pressure apparatus 8 is arbitrarily, in addition, can be corresponding to conveying capacity of 1 time of sheet stock material 11 etc., change the spacing that is provided with of pilot hole 12 and surperficial membranous part 13, also can change the size of surperficial membranous part 13 etc. corresponding to size of formed cylindrical case 1 etc.In addition, surperficial membranous part 13 is provided with according to 2 rows in Fig. 1, in Fig. 8, is provided with according to 1 row, still, also can be more than 3 rows, and it is arbitrarily that the increase of quantity that order is transported the platform of pressure apparatus 8 reduces.In the above-described embodiments, the sheet stock material 11 that pressure apparatus 8 is transported in supply in proper order is wound in the band plate of supplying with the longer size shape on the tube 14 for being web-like, still, and also can be different therewith, and be the sheet material etc. of given size (sizing).Also have, the material of sheet stock material 11 obviously also is not limited to platinoide, can employing transports spendable other the various metals of aluminium etc. of pressure apparatus 8 in proper order.In addition, in the above-described embodiments, occasion in making the electrostatic microphone shell, adopting with the mylar at surperficial membranous part 13 is the insulating materials of principal component, and when making motor casing, surperficial membranous part 13 adopts the magnetic M of ferrite or neodymium compound etc., but, obviously be not limited to these compositions, can carry out various changes corresponding to purposes of the cylindrical case 1 of manufacturing etc.In addition, the fail mark 27 of Fig. 7 also can put on the inner face side of undesirable appearance membranous part 25.Thus, also can only apply fail mark 27, also can be only apply fail mark 27, also can apply fail mark 27 in the inner face side of undesirable appearance membranous part 25 sides and undesirable appearance membranous part 25 in the inner face side of undesirable appearance membranous part 25 in undesirable appearance membranous part 25 sides.
Claims (6)
1. manufacture of casing, wherein, transport pressure apparatus (8) by order, the sheet stock material (11) that will be longitudinally offers pilot hole (12) with prescribed distance is led by above-mentioned pilot hole (12), simultaneously this sheet stock material (11) is sent successively, by being carried out punching press, described sheet stock material (11) forms shell (1), it is characterized in that in above-mentioned sheet stock material (11), with pilot hole (12) is benchmark, form surperficial membranous part (13), then, carry out the inspection step of the dislocation of above-mentioned surperficial membranous part (13), then, transport pressure apparatus (8) in proper order before, be formed on the scope (H) of transporting the shell (1) of the undesirable appearance membranous part (25) that has dislocation when pressure apparatus (8) carries out punching press by order in supply, apply fail mark (27), then, transport the step of sending that pressure apparatus (8) carries out sheet stock material (11), successively the shell (1) with above-mentioned surperficial membranous part (13) is carried out punching press by said sequence.
2. manufacture of casing, wherein, transport pressure apparatus (8) by order, the sheet stock material (11) that will be longitudinally offers pilot hole (12) with prescribed distance is led by above-mentioned pilot hole (12), simultaneously this sheet stock material (11) is sent successively, by being carried out punching press, described sheet stock material (11) forms shell (1), it is characterized in that having with pilot hole (12) is in the sheet stock material (11) of the annular surface membranous part (13) that forms of benchmark, carry out the inspection step of the dislocation of above-mentioned surperficial membranous part (13), then, transport pressure apparatus (8) in proper order before in supply, be formed on the scope (H) of transporting the shell (1) of the undesirable appearance membranous part (25) that has dislocation when pressure apparatus (8) carries out punching press by order, apply fail mark (27), then, transport the step of sending that pressure apparatus (8) carries out sheet stock material (11) by said sequence, successively the shell (1) that above-mentioned surperficial membranous part (13) is set at inner peripheral surface (5) is carried out punching press.
3. manufacture of casing according to claim 1 and 2 is characterized in that above-mentioned fail mark (27) imposes on undesirable appearance membranous part (25) side.
4. according to each described manufacture of casing in the claim 1~3, it is characterized in that above-mentioned fail mark (27) imposes on the inside side of undesirable appearance membranous part (25).
5. according to each described manufacture of casing in the claim 1~4, the shell (1) that it is characterized in that having carried out punch process is for being used for the shell of electrostatic microphone, above-mentioned surperficial membranous part (13) is printed on the sheet stock material (11), constitutes the insulating surface film (6) of electrostatic microphone shell.
6. according to each described manufacture of casing in the claim 1~4, the shell (1) that it is characterized in that having carried out punch process is a motor casing, and above-mentioned surperficial membranous part (13) is made of magnetic (M), forms the magnet portion (34) of motor casing.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004302773 | 2004-10-18 | ||
JP2004302773A JP3942185B2 (en) | 2004-10-18 | 2004-10-18 | Cylindrical case manufacturing method |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2005100645587A Division CN1762617B (en) | 2004-10-18 | 2005-04-13 | Cylindrical case manufacturing method |
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Publication Number | Publication Date |
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CN101342560A true CN101342560A (en) | 2009-01-14 |
Family
ID=36379556
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2008101322153A Pending CN101342560A (en) | 2004-10-18 | 2005-04-13 | Method for manufacturing cylinderical case |
CN2005100645587A Expired - Fee Related CN1762617B (en) | 2004-10-18 | 2005-04-13 | Cylindrical case manufacturing method |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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CN2005100645587A Expired - Fee Related CN1762617B (en) | 2004-10-18 | 2005-04-13 | Cylindrical case manufacturing method |
Country Status (4)
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---|---|
JP (1) | JP3942185B2 (en) |
KR (1) | KR20060045004A (en) |
CN (2) | CN101342560A (en) |
TW (1) | TW200613073A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106077263A (en) * | 2016-06-16 | 2016-11-09 | 常州市瑞悦车业有限公司 | A kind of automatic punching die of thin-walled annular workpiece |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101050246B1 (en) * | 2009-06-22 | 2011-07-19 | 박준우 | An apparatus for bending and sizing a motor case, and a motor case automatic manufacturing system using the same |
CN105921612B (en) * | 2016-06-20 | 2018-04-24 | 河北昊天滤清器制造有限公司 | A kind of automatic stamping equipment of thin-walled annular workpiece |
CN114433702B (en) * | 2021-12-27 | 2023-05-19 | 西安泰金新能科技股份有限公司 | Silver-plated spinning titanium cylinder with good conductivity |
-
2004
- 2004-10-18 JP JP2004302773A patent/JP3942185B2/en not_active Expired - Fee Related
-
2005
- 2005-03-30 KR KR1020050026523A patent/KR20060045004A/en active IP Right Grant
- 2005-04-07 TW TW094110984A patent/TW200613073A/en not_active IP Right Cessation
- 2005-04-13 CN CNA2008101322153A patent/CN101342560A/en active Pending
- 2005-04-13 CN CN2005100645587A patent/CN1762617B/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106077263A (en) * | 2016-06-16 | 2016-11-09 | 常州市瑞悦车业有限公司 | A kind of automatic punching die of thin-walled annular workpiece |
Also Published As
Publication number | Publication date |
---|---|
CN1762617B (en) | 2010-06-16 |
JP2006110612A (en) | 2006-04-27 |
KR20060045004A (en) | 2006-05-16 |
CN1762617A (en) | 2006-04-26 |
TW200613073A (en) | 2006-05-01 |
TWI327492B (en) | 2010-07-21 |
JP3942185B2 (en) | 2007-07-11 |
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