CN104028639B - A kind of processing technology of the speaker frame adopting ultra-thin coiled strip to manufacture - Google Patents
A kind of processing technology of the speaker frame adopting ultra-thin coiled strip to manufacture Download PDFInfo
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- CN104028639B CN104028639B CN201410289250.1A CN201410289250A CN104028639B CN 104028639 B CN104028639 B CN 104028639B CN 201410289250 A CN201410289250 A CN 201410289250A CN 104028639 B CN104028639 B CN 104028639B
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Abstract
The invention discloses a kind of processing technology of the speaker frame adopting ultra-thin coiled strip to manufacture, comprise sawing sheet-blanking-rush locating hole-rush rivet hole-extend-punching trimming-rush ear spend-to rush the single flower-flange series of steps of earhole-punching.The present invention aims to provide and is a kind ofly applicable to the processing technology that raw material is the speaker frame that the ultra-thin coiled strip of the employing of ultra-thin cold-rolled carbon steel thin plate manufactures.
Description
Technical field
The present invention relates to a kind of manufacture field of stereo set, particularly a kind of processing technology of the speaker frame adopting ultra-thin coiled strip to manufacture.
Background technology
Loudspeaker is a kind of energy transducer signal of telecommunication being changed into acoustical signal, and the performance of loudspeaker is good and bad very large on the impact of tonequality.Loudspeaker is a device the weakest in stereo set, and for acoustics, it is again most important parts.Loudspeaker of a great variety, and price differs greatly.Audio-frequency electric is by electromagnetism, and piezoelectricity or electrostatic effect, make its cone or diaphragm vibration and produce with ambient air resonate (sympathetic response) and sound.
The structure of loudspeaker generally comprises support, magnet, frame, determine core and prop up sheet, the compositions such as taper cone, wherein, frame generally adopts steel or aluminium to make, it requires as firm, sound not with stereo set produces the requirements such as resonance, present stage, the processing technology of frame mainly adopts the mode of monolithic raw material one-shot forming punching press to obtain, it is low that this processing technology also exists size Control precision, the problem that defect ware rate is high, when particularly needing to arrange other meticulousr assemblies as ear flower and earhole in frame, traditional technology mode cannot realize, and be directed to the method for ultra-thin cold-rolled carbon steel thin plate by a punching press or casting and also cannot realizing the accurate sizing of frame.
Summary of the invention
The object of this invention is to provide and be applicable to the processing technology that raw material is the speaker frame of the ultra-thin coiled strip manufacture of employing of ultra-thin cold-rolled carbon steel thin plate.
Technical scheme provided by the invention is: a kind of processing technology of the speaker frame adopting ultra-thin coiled strip to manufacture, comprises the following steps:
Step 1: sawing sheet is 0.5 millimeter by shearing machine at thickness, and width is that the coiled strip of 213 millimeters cuts the square raw material that one piece of length of side is 213 millimeters;
Step 2: blanking, makes in described square raw material upper punch the circular stock that one piece of diameter is 210 millimeters by blanking die;
Step 3: rush locating hole, goes out at the center of described circular stock the locating hole that a diameter is 16 millimeters by punching location casement;
Step 4: rush rivet hole, by rushing riveted casement punching outer ring rivet hole and inner ring rivet hole around described locating hole, described outer ring rivet hole and the quantity of inner ring rivet hole are respectively 4, the diameter of described outer ring rivet hole is 5.5 ~ 5.7 millimeters, the diameter of described inner ring rivet hole is 4.1 ~ 4.3 millimeters, the distance of center circle of described outer ring rivet hole is 58 millimeters from the distance in the center of circle of described locating hole, and the distance of center circle of described inner ring rivet hole is 48 millimeters from the distance in the center of circle of described locating hole;
Step 5: extend, the circular stock upper punch of locating hole is had to make bowl-shape semi-finished product by mould of extending in described punching, described bowl-shape semi-finished product from bottom to top internal diameter increase successively, described bowl-shape semi-finished product are made up of level Four step from bottom to top, described level Four step comprise be highly 9.5 ~ 10.5 millimeters first order step, be highly 1.3 ~ 1.7 millimeters second level step, be highly the third level step of 21 ~ 22 millimeters, be highly the fourth stage step of 9 ~ 10 millimeters;
Step 6: punching trimming, by punching edger, trimming operation is carried out to described bowl-shape semi-finished product, and then punching 4 installing holes and a mesopore, half-finished fourth stage step after the trimming obtained after described bowl-shape semi-finished product carry out trimming operation to be external diameter be annulus of 172 millimeters, described installing hole is evenly distributed on the upper surface of described fourth stage step, and the diameter of described installing hole is 5.4 ~ 5.6 millimeters; The diameter of described mesopore is 36.9 ~ 37.1 millimeters, and the center of circle of described mesopore overlaps with the center of circle of described locating hole;
Step 7: rush ear flower, by rushing ear flower mould symmetrical punching two ear flowers on described third level step;
Step 8: rush earhole, by rushing earhole mould centre position punching two earholes at described ear flower, described earhole to be the length of side the be square through-hole of 3.0 ~ 3.2 millimeters;
Step 9: the single flower of punching, by rushing Dan Huamo single flower of symmetrical punching two between described two ear flowers;
Step 10: flange, flange operation is carried out by the upper surface of flange die to described fourth stage step, after flange operation terminates, the reduced diameter of described fourth stage step is 163 millimeters, and the outermost of described fourth stage step is provided with the frame that a height perpendicular to described level Four stepped outer surface is 4 millimeters;
In the processing technology of the speaker frame of the ultra-thin coiled strip manufacture of above-mentioned employing, after described step 10 terminates, also carry out surface treatment step, described surface treatment step is the grit powder of the spraying inside and outside black of the speaker frame obtained after described step 10 completes.
In the processing technology of the speaker frame of the ultra-thin coiled strip manufacture of above-mentioned employing, after described surface treatment step terminates, also carry out packaging step, described packaging step is that the outer surface of the speaker frame obtained after described surface treatment step completes wraps up 3 layers of environment protecting paper.
In the processing technology of the speaker frame of the ultra-thin coiled strip manufacture of above-mentioned employing, described blanking die is arranged on 40T punch press; Described location casement is arranged on 16T punch press; The described riveted casement that rushes is arranged on 16T punch press; Described mould of extending is arranged on 25T punch press; Described punching edger is arranged on 63T punch press; The described ear flower mould that rushes is arranged on 25T punch press; The described Dan Huamo that rushes is arranged on 25T punch press; Described flange die is arranged on 63T punch press.
The present invention adopts ultra-thin cold-rolled carbon steel thin plate to prepare speaker frame, its thickness only has 0.5 millimeter, the present invention adopts repeatedly the production line mode of one-shot to prepare speaker frame, reach and produce rapidly, size is accurate, the speaker frame that defect ware rate is low, because the thickness of material is very thin, punching is easy at the process in which materials stretched, little compared to pore deformation rate the carbon steel thin plate that thickness is 1 millimeter, therefore rivet hole is selected to process as before stretching, consider that the aperture of rivet hole is larger simultaneously, quantity is more, the problem that the one-shot area that mesopore and rivet hole punching press simultaneously cause on the bottom surface of excessively thin carbon steel thin plate is excessive, mesopore and rivet hole is selected to separate punching press, reduce the deformation rate of rivet hole.
Accompanying drawing explanation
Fig. 1 is the top view of specific embodiments of the invention 1;
Fig. 2 is the A-A sectional view of specific embodiments of the invention 1.
Detailed description of the invention
Below in conjunction with detailed description of the invention, technical scheme of the present invention is described in further detail, but does not form any limitation of the invention.
Embodiment 1
As depicted in figs. 1 and 2, a kind of processing technology of the speaker frame adopting ultra-thin coiled strip to manufacture, comprises the following steps:
Step 1: sawing sheet is 0.5 millimeter by shearing machine at thickness, and width is that the coiled strip of 213 millimeters cuts the square raw material that one piece of length of side is 213 millimeters;
Step 2: blanking, makes in described square raw material upper punch the circular stock that one piece of diameter is 210 millimeters by blanking die;
Step 3: rush locating hole, goes out at the center of described circular stock the locating hole that a diameter is 16 millimeters by punching location casement;
Step 4: rush rivet hole, by rushing riveted casement punching outer ring rivet hole 1 and inner ring rivet hole 2 around described locating hole, described outer ring rivet hole 1 and the quantity of inner ring rivet hole 2 are respectively 4, the diameter of described outer ring rivet hole 1 is 5.5 ~ 5.7 millimeters, the diameter of described inner ring rivet hole 2 is 4.1 ~ 4.3 millimeters, the distance of center circle of described outer ring rivet hole 1 is 58 millimeters from the distance in the center of circle of described locating hole, and the distance of center circle of described inner ring rivet hole 2 is 48 millimeters from the distance in the center of circle of described locating hole;
Step 5: extend, the circular stock upper punch of locating hole is had to make bowl-shape semi-finished product by mould of extending in described punching, described bowl-shape semi-finished product from bottom to top internal diameter increase successively, described bowl-shape semi-finished product are made up of level Four step from bottom to top, described level Four step comprise be highly 9.5 ~ 10.5 millimeters first order step 3, be highly 1.3 ~ 1.7 millimeters second level step 4, be highly the third level step 5 of 21 ~ 22 millimeters, be highly the fourth stage step 6 of 9 ~ 10 millimeters;
Step 6: punching trimming, by punching edger, trimming operation is carried out to described bowl-shape semi-finished product, and then punching 4 installing holes 7 and a mesopore 8, half-finished fourth stage step 6 after the trimming obtained after described bowl-shape semi-finished product carry out trimming operation for external diameter be the annulus of 172 millimeters, described installing hole 7 is evenly distributed on the upper surface of described fourth stage step, and the diameter of described installing hole 7 is 5.4 ~ 5.6 millimeters; The diameter of described mesopore 8 is 36.9 ~ 37.1 millimeters, and the center of circle of described mesopore 8 overlaps with the center of circle of described locating hole;
Step 7: rush ear and spend 9, spends 9 by rushing ear flower mould symmetrical punching two ears on described third level step;
Step 8: rush earhole 10, by rush earhole mould described ear flower centre position punching two earholes 10, described earhole 10 for the length of side be the square through-hole of 3.0 ~ 3.2 millimeters;
Step 9: punching singly spends 11, singly spends 11 by rushing Dan Huamo symmetrical punching two between described two ears spend 9;
Step 10: flange, by flange die, at the upper surface of described fourth stage step 6, flange operation is carried out to described, after flange operation terminates, the reduced diameter of described fourth stage step 6 is 163 millimeters, and the outermost of described fourth stage step 6 is provided with the frame 12 that a height perpendicular to described level Four stepped outer surface is 4 millimeters;
Step 11: surface treatment step, described surface treatment step is the grit powder of the spraying inside and outside black of the speaker frame obtained after described step 10 completes.
Step 12: packaging step, described packaging step is that the outer surface of the speaker frame obtained after described surface treatment step completes wraps up 3 layers of environment protecting paper.
In the present embodiment, described blanking die is arranged on 40T punch press; Described location casement is arranged on 16T punch press; The described riveted casement that rushes is arranged on 16T punch press; Described mould of extending is arranged on 25T punch press; Described punching edger is arranged on 63T punch press; The described ear flower mould that rushes is arranged on 25T punch press; The described Dan Huamo that rushes is arranged on 25T punch press; Described flange die is arranged on 63T punch press.
Above-mentioned blanking die, locate casement, rush riveted casement, mould of extending, punching edger, rush ear flower mould, rush earhole mould, rush Dan Huamo, flange die is arranged on a production line, adopt slide block or mechanical arm that raw material is progressively transported to subsequent processing from a upper operation, process is simple, fast, accurately die-cut, size Control is accurate.
Above-describedly be only preferred embodiment of the present invention, all do within the scope of the spirit and principles in the present invention any amendment, equivalently to replace and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a processing technology for the speaker frame adopting ultra-thin coiled strip to manufacture, is characterized in that, comprise the following steps:
Step 1: sawing sheet is 0.5 millimeter by shearing machine at thickness, and width is that the coiled strip of 213 millimeters cuts the square raw material that one piece of length of side is 213 millimeters;
Step 2: blanking, makes in described square raw material upper punch the circular stock that one piece of diameter is 210 millimeters by blanking die;
Step 3: rush locating hole, goes out at the center of described circular stock the locating hole that a diameter is 16 millimeters by punching location casement;
Step 4: rush rivet hole, by rushing riveted casement punching outer ring rivet hole and inner ring rivet hole around described locating hole, described outer ring rivet hole and the quantity of inner ring rivet hole are respectively 4, the diameter of described outer ring rivet hole is 5.5 ~ 5.7 millimeters, the diameter of described inner ring rivet hole is 4.1 ~ 4.3 millimeters, the distance of center circle of described outer ring rivet hole is 58 millimeters from the distance in the center of circle of described locating hole, and the distance of center circle of described inner ring rivet hole is 48 millimeters from the distance in the center of circle of described locating hole;
Step 5: extend, the circular stock upper punch of locating hole is had to make bowl-shape semi-finished product by mould of extending in described punching, described bowl-shape semi-finished product from bottom to top internal diameter increase successively, described bowl-shape semi-finished product are made up of level Four step from bottom to top, described level Four step comprise be highly 9.5 ~ 10.5 millimeters first order step, be highly 1.3 ~ 1.7 millimeters second level step, be highly the third level step of 21 ~ 22 millimeters, be highly the fourth stage step of 9 ~ 10 millimeters;
Step 6: punching trimming, by punching edger, trimming operation is carried out to described bowl-shape semi-finished product, and then punching 4 installing holes and a mesopore, half-finished fourth stage step after the trimming obtained after described bowl-shape semi-finished product carry out trimming operation to be external diameter be annulus of 172 millimeters, described installing hole is evenly distributed on the upper surface of described fourth stage step, and the diameter of described installing hole is 5.4 ~ 5.6 millimeters; The diameter of described mesopore is 36.9 ~ 37.1 millimeters, and the center of circle of described mesopore overlaps with the center of circle of described locating hole;
Step 7: rush ear flower, by rushing ear flower mould symmetrical punching two ear flowers on described third level step;
Step 8: rush earhole, by rushing earhole mould centre position punching two earholes at described ear flower, described earhole to be the length of side the be square through-hole of 3.0 ~ 3.2 millimeters;
Step 9: the single flower of punching, by rushing Dan Huamo single flower of symmetrical punching two between described two ear flowers;
Step 10: flange, flange operation is carried out by the upper surface of flange die to described fourth stage step, after flange operation terminates, the reduced diameter of described fourth stage step is 163 millimeters, and the outermost of described fourth stage step is provided with the frame that a height perpendicular to described level Four stepped outer surface is 4 millimeters.
2. the processing technology of the speaker frame of the ultra-thin coiled strip manufacture of employing according to claim 1, it is characterized in that, after described step 10 terminates, also carry out surface treatment step, described surface treatment step is the grit powder of the spraying inside and outside black of the speaker frame obtained after described step 10 completes.
3. the processing technology of the speaker frame of the ultra-thin coiled strip manufacture of employing according to claim 2, it is characterized in that, after described surface treatment step terminates, also carry out packaging step, described packaging step is that the outer surface of the speaker frame obtained after described surface treatment step completes wraps up 3 layers of environment protecting paper.
4. the processing technology of the speaker frame that the ultra-thin coiled strip of the employing according to any one of claims 1 to 3 manufactures, it is characterized in that, described blanking die is arranged on 40T punch press; The described location casement that rushes is arranged on 16T punch press; The described riveted casement that rushes is arranged on 16T punch press; Described mould of extending is arranged on 25T punch press; Described punching edger is arranged on 63T punch press; The described ear flower mould that rushes is arranged on 25T punch press; The described Dan Huamo that rushes is arranged on 25T punch press; Described flange die is arranged on 63T punch press.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410289250.1A CN104028639B (en) | 2014-06-24 | 2014-06-24 | A kind of processing technology of the speaker frame adopting ultra-thin coiled strip to manufacture |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410289250.1A CN104028639B (en) | 2014-06-24 | 2014-06-24 | A kind of processing technology of the speaker frame adopting ultra-thin coiled strip to manufacture |
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| CN104028639A CN104028639A (en) | 2014-09-10 |
| CN104028639B true CN104028639B (en) | 2016-04-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113305226A (en) * | 2021-05-27 | 2021-08-27 | 肇庆怀集金业五金有限公司 | Automatic forming process for stainless steel central gas distribution disc and automatic feeding device thereof |
| CN115194012B (en) * | 2022-07-15 | 2023-05-30 | 惠州市锦龙精密真空热处理有限公司 | Heat treatment process and equipment for steel mesh of loudspeaker |
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| US3466405A (en) * | 1965-12-21 | 1969-09-09 | Gen Electric | Permanent magnet basket assembly for a speaker |
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| JP3123221B2 (en) * | 1992-06-08 | 2001-01-09 | 松下電器産業株式会社 | Method for manufacturing speaker frame |
| KR100999297B1 (en) * | 2010-01-28 | 2010-12-08 | 세종공업 주식회사 | Method for forming cylindrical member, cylindrical member using the same and cylindrical member for housing of catalytic converter |
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| GB383140A (en) * | 1932-03-07 | 1932-11-10 | William John Tennant | Improvements in or relating to shells for electro-magnetic coils |
| US3466405A (en) * | 1965-12-21 | 1969-09-09 | Gen Electric | Permanent magnet basket assembly for a speaker |
| CN103611817A (en) * | 2013-11-27 | 2014-03-05 | 梧州恒声电子科技有限公司 | Automatic feeding continuous die of basin stand |
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Inventor after: Chao Jiajie Inventor before: Tang Hao |
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Effective date of registration: 20170605 Address after: 510000, Huadu District, Huadu District, Guangdong, Guangzhou Province, west of flower market Patentee after: Guangzhou Huadu Budweiser Electronics Co., Ltd. Address before: Wuzhou Hongling Changzhou District Road 543002 No. 108 the Guangxi Zhuang Autonomous Region Patentee before: Wuzhou Hengsheng Electronic Technology Co., Ltd. |
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