CN107309608B - A kind of speaker net manufacture craft - Google Patents
A kind of speaker net manufacture craft Download PDFInfo
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- CN107309608B CN107309608B CN201710455993.5A CN201710455993A CN107309608B CN 107309608 B CN107309608 B CN 107309608B CN 201710455993 A CN201710455993 A CN 201710455993A CN 107309608 B CN107309608 B CN 107309608B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The present invention relates to electronic equipment manufacturing technical field more particularly to a kind of speaker net manufacture crafts.Speaker net manufacture craft of the invention includes, step 1: carrying out blanking to metal blank, obtains slab；Step 2: drawing being carried out to slab, obtains the first semi-finished product；Step 3: rotation punching being carried out to the first semi-finished product, obtains the second semi-finished product；Step 4: anodized being carried out to two semi-finished product, obtains finished product.The loudspeaker mesh for the speaker net that speaker net manufacture craft of the invention is manufactured out is of uniform size and is unlikely to deform, so that the sound horn for installing this speaker net is uniform, user is allowed to obtain good hearing enjoying.
Description
Technical field
The present invention relates to electronic equipment manufacturing technical field more particularly to a kind of speaker net manufacture crafts.
Background technique
The manufacture craft of the speaker net for the metal production used in existing electronic communication product, first on metal blank
Drill, then punching press deep-drawing technique carried out into the speaker net of tubular to metal blank with holes, but in drawing process by
In the mobility of metal material, the metal blank that will lead to different location generates different degrees of deformation, and then causes to open thereon
If hole can be deformed into different form and dimensions, the appearance of speaker net is seriously affected, further, since the loudspeaker mesh produced
Form and dimension it is inconsistent, cause the sounding effect for the loudspeaker for installing this speaker net uneven, the sense of hearing for influencing user is enjoyed
By.
Summary of the invention
It is an object of the invention to propose a kind of speaker net manufacture craft, be able to solve speaker net loudspeaker mesh shape and
Problem not of uniform size.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of speaker net manufacture craft, comprising:
Step 1: blanking being carried out to metal blank, obtains slab；
Step 2: drawing being carried out to slab, obtains the first semi-finished product；
Step 3: rotation punching being carried out to the first semi-finished product, obtains the second semi-finished product；
Step 4: anodized being carried out to the second semi-finished product, obtains finished product.
It further include step 11:In between the step 1 and step 2 as a kind of preferred embodiment of speaker net manufacture craft
Location hole is formed through punching at the center of the slab.
It further include step 31 between step 3 and step 4: to second as a kind of preferred embodiment of speaker net manufacture craft
Semi-finished product carry out semishearing.
Further include step 32 between step 31 and step 4 as a kind of preferred embodiment of speaker net manufacture craft: utilizing number
Second semi-finished product are cut at control center.
It further include step 33 between step 32 and step 4: to second as a kind of preferred embodiment of speaker net manufacture craft
Semi-finished product carry out grinding process, until second surface of semi-finished is smooth.
It further include step 34 between step 33 and step 4: to second as a kind of preferred embodiment of speaker net manufacture craft
Semi-finished product carry out blasting treatment, and the specification for the sand body that blasting treatment uses is 120 mesh~150 mesh.
Further include step 5 after step 4 as a kind of preferred embodiment of speaker net manufacture craft: to the top of finished product into
45 ° of chamferings of 0.3mm~0.8mm are processed into row dia-cutting.
It further include step 6 after the step 5: to the finished product as a kind of preferred embodiment of speaker net manufacture craft
Conductive region carry out radium-shine processing.
As a kind of preferred embodiment of speaker net manufacture craft, the step 2 specifically: first once drawn slab
It is deep, then secondary deep-drawing is carried out, and the drawing coefficient of second of drawing is greater than the drawing coefficient of first time drawing.
As a kind of preferred embodiment of speaker net manufacture craft, the blank shape in the step 1 is circle.
The invention has the benefit that
Speaker net manufacture craft in the present invention obtains slab by carrying out blanking to metal blank first, carries out to slab
Drawing obtains the first semi-finished product, then carries out rotation punching to the first semi-finished product and obtain the second semi-finished product, finally to the second semi-finished product
It carries out anodized and obtains finished product.The loudspeaker mesh in speaker net manufactured out with above-mentioned technique is of uniform size and not
It is easily-deformable, so that the sound horn for installing this speaker net is uniform, user is allowed to obtain good hearing enjoying.
Detailed description of the invention
Fig. 1 is a kind of flow chart of speaker net manufacture craft provided by the invention；
Fig. 2 is the flow chart of another speaker net manufacture craft provided by the invention.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and by specific
Embodiment to further illustrate the technical scheme of the present invention.
Embodiment one
As shown in Figure 1, embodiment one provides a kind of speaker net manufacture craft, comprising:
Step 1: blanking being carried out to metal blank, obtains round slab.
Specifically, blanking is carried out to metal blank by blanking die, so that round slab is obtained, the material of metal blank
It can be aluminium alloy, aluminium alloy density is low, but intensity is relatively high, near or above high-quality steel, has excellent electric conductivity, thermally conductive
Property and corrosion stability, so be suitable as production speaker net material.Circular plate is obtained to enable to carrying out further drawing
When molding, the equally distributed cylindrical element of material can be obtained, in addition, the shape of slab is also not limited to circle.
Step 2: once drawing first being carried out to slab, then carries out secondary deep-drawing, during drawing, in order to guarantee drawing
Go on smoothly, the ratio between blank diameter before diameter and stretching after drawing coefficient, that is, drawing be greater than limit drawing coefficient, if
Drawing coefficient is less than limit drawing coefficient, will lead to drawing part corrugation, rupture or serious thinning, to influence entire speaker net
Intensity, hardness and using effect, carry out repeatedly load-unload, can obtain that quality is preferable and the deeper cylindrical element of depth, avoid out
Existing drawing part corrugation, rupture or serious thinning problem, in order to guarantee going on smoothly for drawing, the drawing coefficient of second of drawing
It should be bigger than the drawing coefficient of first time drawing.
Step 3: rotation punching being carried out to the first semi-finished product, obtains the second semi-finished product, specifically, servo is used in the present invention
Shaft on motor driven rotation punching die is rotated, and is rotated to drive and cylindrical element is arranged in shaft.Pass through
Serve Motor Control cylindrical element turns over certain angle, is radially punched out in its side, is accurately controlled by servo motor
The angle that cylindrical element turns over each time can obtain the speaker net for needing loudspeaker mesh density, in addition, such molding mode obtains
Loudspeaker mesh be not easy to deform and of uniform size so that the sound horn for installing this speaker net is uniform, user is allowed to obtain
Obtain good hearing enjoying.
Step 4: anodized is carried out to the second semi-finished product, obtains finished product, though aluminium alloy in an atmosphere can natural shape
At layer oxide film, but film is thin and loose porous, for amorphous, uneven also discontinuous film layer, cannot function as reliable
Protective film layer.It is handled using anode oxidation method, in articles made of aluminium alloy Surface Creation layer oxide film, to reach protection and dress
The purpose of decorations.Not only hardness is higher for anode oxide film, but also has preferable wearability, especially the porous oxidation film tool of superficial layer
There is the ability of adsorpting lubrication agent, can also further improve the wear-resisting property on surface.In addition, anode oxide film have it is higher anti-corrosion
Property, it cannot be oxidized or be dissolved, can guarantee that the speaker net by anodized is applied in the environment of being corrosive.
Also, anode oxide film has good insulation performance, does not have the conduction property of metal, and becomes good insulating materials,
It can effectively ensure that when touching speaker net electric shock problem will not occur for people, and then ensure that personal safety.
Embodiment two
As shown in Fig. 2, embodiment two provides a kind of more specifical speaker net manufacture craft, comprising:
Step 1: blanking being carried out to metal blank, obtains round slab.
Step 2: forming location hole through punching at the center of slab, there are two effect, an effects for molding location hole
It is: can be realized the precise positioning for slab when carrying out drawing to slab, the punch-pin or cavity plate for guaranteeing cupping tool are not
It is glanced off with plate, obtains the higher cylindrical element of quality；Another effect is: the cylindrical element obtained after drawing and forming is passed through
Location hole is fixedly mounted in the shaft of rotation punching die, so that cylindrical element is rotated with the rotation of shaft, is guaranteed
Under the drive of servo motor, the rotation of certain angle is precisely realized.
Step 3: drawing being carried out to slab, obtains the first semi-finished product.
Step 4: rotation punching being carried out to the first semi-finished product, obtains the second semi-finished product, specifically, servo is used in the present invention
Shaft on motor driven rotation punching die is rotated, and is rotated, is passed through to drive and cylindrical element is arranged in shaft
Serve Motor Control cylindrical element turns over certain angle, is radially punched out in its side, is accurately controlled by servo motor
The angle that cylindrical element turns over each time can obtain the speaker net for needing loudspeaker mesh density, in addition, such molding mode obtains
Speaker hole be not easy to deform and of uniform size so that the sound horn for installing this speaker net is uniform, user is allowed to obtain
Good hearing enjoying.
Step 5: semishearing being carried out to the second semi-finished product by half shear mould, so that the bottom of cylindrical element generates interior recessed area
There are preferable poly- sound function in domain, this recessed area, so that installing the loudspeaker of this speaker net has preferable audio.
Step 6: the second semi-finished product handled by step 5 being cut using numer centre, the circle obtained after drawing
It will appear burr (top refers to the opening of cylindrical element, and bottom is opposite with opening) at the top of cylinder part, seriously affect subsequent step
The installation and use for the speaker net being fabricated to will be cut by the second semi-finished product made of step 5 by the milling cutter of numer centre
Fall some materials at the top of cylindrical element, so that top material even uniform, is conducive to the speaker net being fabricated to by subsequent step
Installation and use.
Step 7: grinding process is carried out to the second semi-finished product handled by step 6, until the second surface of semi-finished is smooth,
The scratch in the second surface of semi-finished is got rid of, so that the surface aesthetic of speaker net.
Step 8: blasting treatment being carried out to the second semi-finished product, the specification for the sand body that blasting treatment uses is 120 mesh~150
Mesh makes the surface of workpiece obtain certain cleannes and different roughness, improves the mechanical performance of workpiece surface, because
This improves the fatigue resistance of speaker net.
Step 9: anodized is carried out to the second semi-finished product, obtains finished product, though aluminium alloy in an atmosphere can natural shape
At layer oxide film, but film is thin and loose porous, for amorphous, uneven also discontinuous film layer, cannot function as reliable
Protective film layer.It is handled using anode oxidation method, in articles made of aluminium alloy Surface Creation layer oxide film, to reach protection and dress
The purpose of decorations.Not only hardness is higher for anode oxide film, but also has preferable wearability, especially the porous oxidation film tool of superficial layer
There is the ability of adsorpting lubrication agent, can also further improve the wear-resisting property on surface.In addition, anode oxide film have it is higher anti-corrosion
Property, it cannot be oxidized or be dissolved, can guarantee that the speaker net by anodized is applied in the environment of being corrosive.
Also, anode oxide film has good insulation performance, does not have the conduction property of metal, and becomes good insulating materials,
It can effectively ensure that and electric conduction phenomena does not occur with the energization loudspeaker being disposed therein, so as to which people are effectively ensured in touching loudspeaker
Electric shock problem will not occur when net, and then ensure that personal safety.
Step 10: dia-cutting being carried out to the top of finished product, 45 ° of chamferings of 0.3mm~0.8mm are processed into, by bloom
The top hardness of the finished product of cutting is high, not perishable and be unlikely to deform, and convenient for the installation of speaker net, and can guarantee that speaker net passes through
Crossing prolonged use will not deform, and extend the service life of speaker net, reduce maintenance frequency and expense during use.
Step 11: radium-shine processing being carried out to the conductive region of finished product, due to being provided with accommodating conducting element in speaker net
Structure, this just needs some regions in speaker net to be set as conductive region, due to by the anodized in step 9,
So that the speaker net obtained by step 9 all cannot be conductive, by making to needing conductive region to carry out radium-shine processing
The region obtained Jing Guo radium-shine processing can be conductive, meets the normal use of whole loudspeaker.
Note that the above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The industry
Technical staff it should be appreciated that the present invention is not limited to the embodiments described above, described in above embodiment and specification
Merely illustrate the principles of the invention, without departing from the spirit and scope of the present invention, the present invention also have various change and
It improves, these changes and improvements all fall within the protetion scope of the claimed invention, and claimed range of the invention is by appended
Claims and its equivalent thereof.
Claims (2)
1. a kind of speaker net manufacture craft characterized by comprising
Step 1: blanking being carried out to metal blank, obtains round slab；
Step 11: forming location hole through punching at the center of the slab；
Step 2: drawing being carried out to slab, obtains the first cylindric semi-finished product；
Step 3: rotation punching being carried out to cylindric first semi-finished product, uses turning on servo motor driving punching die
Axis is rotated to drive cylindric first semi-finished product rotation, and in the side of cylindric first semi-finished product along its diameter
To being punched out, the second semi-finished product are obtained, and semishearing is carried out to second semi-finished product by half shear mould；
Step 32: second semi-finished product being cut using numer centre；
Step 33: grinding process being carried out to second semi-finished product, until second surface of semi-finished is smooth；
Step 34: blasting treatment being carried out to second semi-finished product, the specification for the sand body that blasting treatment uses is 120 mesh~150
Mesh；
Step 4: anodized being carried out to second semi-finished product, obtains finished product；
Step 5: dia-cutting being carried out to the top of the finished product, is processed into 45 ° of chamferings of 0.3mm~0.8mm；
Step 6: radium-shine processing is carried out to the conductive region of the finished product.
2. speaker net manufacture craft according to claim 1, which is characterized in that the step 2 specifically: first to slab into
Row once drawing, then secondary deep-drawing is carried out, and the drawing coefficient of second of drawing is greater than the drawing coefficient of first time drawing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710455993.5A CN107309608B (en) | 2017-06-16 | 2017-06-16 | A kind of speaker net manufacture craft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710455993.5A CN107309608B (en) | 2017-06-16 | 2017-06-16 | A kind of speaker net manufacture craft |
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| CN107309608A CN107309608A (en) | 2017-11-03 |
| CN107309608B true CN107309608B (en) | 2019-11-22 |
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| CN201710455993.5A Active CN107309608B (en) | 2017-06-16 | 2017-06-16 | A kind of speaker net manufacture craft |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109227053A (en) * | 2018-10-30 | 2019-01-18 | 东莞市三梯模具有限公司 | It is a kind of for processing the novel processing technology of mesh mold insert |
| CN114770059A (en) * | 2022-03-31 | 2022-07-22 | 上汽通用五菱汽车股份有限公司 | Manufacturing process of mold with horn meshes |
| CN115319407A (en) * | 2022-07-15 | 2022-11-11 | 苏州市信天游光电材料有限公司 | Manufacturing process of horn net for automobile |
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| CN105127285B (en) * | 2015-07-02 | 2018-10-12 | 北京灵隆科技有限公司 | The processing unit (plant) and processing method of speaker net |
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| JPS6147478B2 (en) * | 1979-03-19 | 1986-10-20 | Onkyo Kk | |
| CN104038884A (en) * | 2014-06-24 | 2014-09-10 | 梧州恒声电子科技有限公司 | Speaker frame machining process performed by sequentially punching ear flowers and center hole |
| CN104028981A (en) * | 2014-06-25 | 2014-09-10 | 梧州恒声电子科技有限公司 | Manufacturing process for ultralight loudspeaker frame |
| CN104084482A (en) * | 2014-06-27 | 2014-10-08 | 梧州恒声电子科技有限公司 | Loudspeaker basin frame processing method |
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| CN107309608A (en) | 2017-11-03 |
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Denomination of invention: A manufacturing process of horn net Effective date of registration: 20210727 Granted publication date: 20191122 Pledgee: Kunshan high tech Venture Financing Guarantee Co.,Ltd. Pledgor: KUNSHAN JER ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2021320010275 |