CN104038894A - Processing technology for loudspeaker basin stand with bottom provided with plurality of U-shaped air vents - Google Patents
Processing technology for loudspeaker basin stand with bottom provided with plurality of U-shaped air vents Download PDFInfo
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- CN104038894A CN104038894A CN201410289869.2A CN201410289869A CN104038894A CN 104038894 A CN104038894 A CN 104038894A CN 201410289869 A CN201410289869 A CN 201410289869A CN 104038894 A CN104038894 A CN 104038894A
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- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The invention discloses a processing technology for a loudspeaker basin stand with the bottom provided with a plurality of U-shaped air vents. The processing technology includes: shearing a material, cutting the material and stretching, shaping, cutting edges of punched holes, punching an ear edge and punching. The purpose of providing the processing technology for precisely punching complex blanks like the U-shaped air vents and protruding rings at the bottom of the loudspeaker basin stand is achieved.
Description
Technical field
The manufacture field that the present invention relates to a kind of stereo set, particularly a kind of bottom is provided with the processing technology of the speaker frame of multiple concave shape air-vents.
Background technology
Loud speaker is a kind of energy transducer that the signal of telecommunication is changed into acoustical signal, and the performance quality of loud speaker is very large on the impact of tonequality.Loud speaker is a device the weakest in stereo set, and for acoustics, it is again most important parts.Loud speaker of a great variety, and price differs greatly.Audio frequency electric energy is by electromagnetism, and piezoelectricity or electrostatic effect, make its cone or diaphragm vibration and produce resonance (sympathetic response) with ambient air and sound.
The structure of loud speaker generally comprises support, magnet, basin frame, determine core and prop up sheet, the compositions such as taper cone, wherein, basin frame generally adopts steel or aluminium to make, it requires as firm, do not produce the requirements such as resonance with the sound of stereo set, present stage, the processing technology of basin frame mainly adopts the mode of monolithic raw material one-shot forming punching press to obtain, it is low that this processing technology exists size Control precision, the problem that defect ware rate is high, particularly in the time need to carrying out the operation of complicated punching and jet-bedding in the bottom surface of basin frame, be difficult to obtain accurately by a punching press or casting the product of design.
Summary of the invention
The object of this invention is to provide the processing technology of speaker frame that is applicable to a kind of accurately punching and is located at the complicated embryo part such as multiple concave shape air-vents, bulge loop of bottom.
Technical scheme provided by the invention is: a kind of bottom is provided with the processing technology of the speaker frame of multiple concave shape air-vents, comprises the following steps:
Step 1: sawing sheet, cutting a thickness by banding machine is 0.7 millimeter, width is the coiled strip of 131 millimeters;
Step 2: blank stretches, making a diameter by blank stretching die in described coiled strip upper punch is the circular raw material of 128 millimeters; By blank stretched film, described circular raw material is stretched and becomes bowl-shape semi-finished product simultaneously, described bowl-shape semi-finished product from bottom to top internal diameter increase successively, described bowl-shape semi-finished product are made up of three grades of steps from bottom to top, three grades of described steps comprise be highly the first order step of 2.6 millimeters, be highly the second level step of 12.2 millimeters, be highly the third level step of 9.2 millimeters; The upper surface of described third level step is the annulus of 100.53 millimeters of external diameters, and the outside of the upper surface of described third level step is provided with 3 mounting ears, and the distance at the center of 3 described mounting ears is respectively 96.86 millimeters, 64.81 millimeters and 112.45 millimeters;
Step 3: shaping, by sizing die, the bottom surface of described first order step is further stretched, make the bottom surface of described first order step occur an annular protrusion, the height of described annular protrusion is 2.8 millimeters; There is a bulge loop inside edge of described annular protrusion also punching;
Step 4: shock wave punching, to go out 3 single flowers and an ear flower by shock wave perforating die in the side of described second level step, and go out a mesopore at the center of the bottom surface of described first order step, the diameter of described mesopore is 29.05 ± 0.1 millimeters;
Step 5: rush installing hole, rivet hole, by rush installing hole riveted casement at the center of described mounting ear respectively diameter of punching be the installing hole of 5.05 ± 0.1 millimeters, and at three concave shape rivet holes of bottom surface punching of described first order step, the recess punching of the rivet hole of described concave shape has a protuberance; Angle between described concave shape rivet hole is 120 °;
Step 6: rush earhole, by rushing earhole mould square earhole of middle part punching at described ear flower, the length of side of described square earhole is 3.55 ± 0.1 millimeters.
Be provided with in the processing technology of speaker frame of multiple concave shape air-vents in above-mentioned bottom, after described step 6 finishes, 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 that obtains after described step 6 completes.
Be provided with in the processing technology of speaker frame of multiple concave shape air-vents in above-mentioned bottom, described blank stretching die is arranged on 40T punch press; Described sizing die is arranged on 40T punch press; Described shock wave perforating die is arranged on 40T punch press; The described installing hole rivet hole that rushes is arranged on 40T punch press; The described earhole mould that rushes is arranged on 16T punch press.
The solution of the present invention is applicable to the manufacture of the speaker frame of bottom shape complexity, the speaker frame bottom of this programme is not only provided with hollow, also be provided with the rivet hole of concave shape, protuberance, bulge loop and annular protrusion, be the processing of carrying out so complicated embryo part on the area of 63 millimeters at a diameter, this programme is by the shaping that then further stretches after drawing and forming in advance, determine the frame shape of bottom, at bowl-shape semi-finished product, after the annular protrusion of bottom and bulge loop sizing, again carry out the operation of mesopore, accurately shape and the position of location mesopore, finally carry out concave shape rivet hole and protuberance, punching area has large and little, the reduction of maximum possible punching operate the impact on the shape of each accessory on basin frame, size and the positioning precision of basin frame bottom embryo part are improved.
Brief description of the drawings
Fig. 1 is the vertical view of specific embodiments of the invention 1;
Fig. 2 is the A-A cutaway view of the embodiment of the present invention 1;
Fig. 3 is the partial enlarged drawing of the A of the embodiment of the present invention 1;
Fig. 4 is the partial enlarged drawing of the B of the embodiment of the present invention 1.
Embodiment
Below in conjunction with embodiment, technical scheme of the present invention is described in further detail, but does not form any limitation of the invention.
Embodiment 1
As shown in Figures 1 to 4, a kind of bottom is provided with the processing technology of the speaker frame of multiple concave shape air-vents, comprises the following steps:
Step 1: sawing sheet, cutting a thickness by banding machine is 0.7 millimeter, width is the coiled strip of 131 millimeters;
Step 2: blank stretches, making a diameter by blank stretching die in described coiled strip upper punch is the circular raw material of 128 millimeters; By blank stretched film, described circular raw material is stretched and becomes bowl-shape semi-finished product simultaneously, described bowl-shape semi-finished product from bottom to top internal diameter increase successively, described bowl-shape semi-finished product are made up of three grades of steps from bottom to top, three grades of described steps comprise be highly the first order step 1 of 2.6 millimeters, be highly the second level step 2 of 12.2 millimeters, be highly the third level step 3 of 9.2 millimeters; The upper surface of described third level step 3 is the annulus of 100.53 millimeters of external diameters, the outside of the upper surface of described third level step 3 is provided with 3 mounting ears 4, and the distance at the center of 3 described mounting ears 4 is respectively 96.86 millimeters, 64.81 millimeters and 112.45 millimeters;
Step 3: shaping, by sizing die, the bottom surface of described first order step 1 is further stretched, make the bottom surface of described first order step 1 occur an annular protrusion 5, the height of described annular protrusion 5 is 2.8 millimeters; There is a bulge loop 6 inside edge of described annular protrusion 5 also punching;
Step 4: shock wave punching, go out in the side of described second level step by shock wave perforating die 3 singly spend 7 and an ear spend 8, and go out a mesopore 9 at the center of the bottom surface of described first order step 1, the diameter of described mesopore 9 is 29.05 ± 0.1 millimeters;
Step 5: rush installing hole, rivet hole, by rush installing hole riveted casement at the center of described mounting ear respectively diameter of punching be the installing hole 10 of 5.05 ± 0.1 millimeters, and at three concave shape rivet holes 11 of bottom surface punching of described first order step 1, the recess punching of the rivet hole 11 of described concave shape has a protuberance 12; Angle between described concave shape rivet hole 11 is 120 °;
Step 6: rush earhole, spend square earhole 13 of middle part punching of 8 by rushing earhole mould at described ear, the length of side of described square earhole 13 is 3.55 ± 0.1 millimeters.
Step 7: surface treatment step, described surface treatment step is the grit powder of the spraying inside and outside black of the speaker frame that obtains after described step 6 completes.
In the present embodiment, described blank stretching die is arranged on 40T punch press; Described sizing die is arranged on 40T punch press; Described shock wave perforating die is arranged on 40T punch press; The described installing hole rivet hole that rushes is arranged on 40T punch press; The described earhole mould that rushes is arranged on 16T punch press.
Above-described is only preferred embodiment of the present invention, all any amendments of doing within the scope of the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. bottom is provided with a processing technology for the speaker frame of multiple concave shape air-vents, it is characterized in that, comprises the following steps:
Step 1: sawing sheet, cutting a thickness by banding machine is 0.7 millimeter, width is the coiled strip of 131 millimeters;
Step 2: blank stretches, making a diameter by blank stretching die in described coiled strip upper punch is the circular raw material of 128 millimeters; By blank stretched film, described circular raw material is stretched and becomes bowl-shape semi-finished product simultaneously, described bowl-shape semi-finished product from bottom to top internal diameter increase successively, described bowl-shape semi-finished product are made up of three grades of steps from bottom to top, three grades of described steps comprise be highly the first order step of 2.6 millimeters, be highly the second level step of 12.2 millimeters, be highly the third level step of 9.2 millimeters; The upper surface of described third level step is the annulus of 100.53 millimeters of external diameters, and the outside of the upper surface of described third level step is provided with 3 mounting ears, and the distance at the center of 3 described mounting ears is respectively 96.86 millimeters, 64.81 millimeters and 112.45 millimeters;
Step 3: shaping, by sizing die, the bottom surface of described first order step is further stretched, make the bottom surface of described first order step occur an annular protrusion, the height of described annular protrusion is 2.8 millimeters; There is a bulge loop inside edge of described annular protrusion also punching;
Step 4: shock wave punching, to go out 3 single flowers and an ear flower by shock wave perforating die in the side of described second level step, and go out a mesopore at the center of the bottom surface of described first order step, the diameter of described mesopore is 29.05 ± 0.1 millimeters;
Step 5: rush installing hole, rivet hole, by rush installing hole riveted casement at the center of described mounting ear respectively diameter of punching be the installing hole of 5.05 ± 0.1 millimeters, and at three concave shape rivet holes of bottom surface punching of described first order step, the recess punching of the rivet hole of described concave shape has a protuberance; Angle between described concave shape rivet hole is 120 °;
Step 6: rush earhole, by rushing earhole mould square earhole of middle part punching at described ear flower, the length of side of described square earhole is 3.55 ± 0.1 millimeters.
2. bottom according to claim 1 is provided with the processing technology of the speaker frame of multiple concave shape air-vents, it is characterized in that, after described step 6 finishes, 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 that obtains after described step 6 completes.
3. the processing technology that is provided with the speaker frame of multiple concave shape air-vents according to the bottom described in claim 1～2 any one, is characterized in that, described blank stretching die is arranged on 40T punch press; Described sizing die is arranged on 40T punch press; Described shock wave perforating die is arranged on 40T punch press; The described installing hole rivet hole that rushes is arranged on 40T punch press; The described earhole mould that rushes is arranged on 16T punch press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410289869.2A CN104038894A (en) | 2014-06-25 | 2014-06-25 | Processing technology for loudspeaker basin stand with bottom provided with plurality of U-shaped air vents |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410289869.2A CN104038894A (en) | 2014-06-25 | 2014-06-25 | Processing technology for loudspeaker basin stand with bottom provided with plurality of U-shaped air vents |
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| Publication Number | Publication Date |
|---|---|
| CN104038894A true CN104038894A (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410289869.2A Pending CN104038894A (en) | 2014-06-25 | 2014-06-25 | Processing technology for loudspeaker basin stand with bottom provided with plurality of U-shaped air vents |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202856937U (en) * | 2012-09-28 | 2013-04-03 | 嵊州市德科电声有限公司 | Loudspeaker basin-like stand |
| CN103639282A (en) * | 2013-11-26 | 2014-03-19 | 梧州恒声电子科技有限公司 | Cutting and drawing process of basin frame |
| CN203610517U (en) * | 2013-11-26 | 2014-05-28 | 梧州恒声电子科技有限公司 | Blanking and stretching die for basin stand |
| CN203610515U (en) * | 2013-11-26 | 2014-05-28 | 梧州恒声电子科技有限公司 | Flanging pattern punching one-step-forming die for basin stand |
-
2014
- 2014-06-25 CN CN201410289869.2A patent/CN104038894A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202856937U (en) * | 2012-09-28 | 2013-04-03 | 嵊州市德科电声有限公司 | Loudspeaker basin-like stand |
| CN103639282A (en) * | 2013-11-26 | 2014-03-19 | 梧州恒声电子科技有限公司 | Cutting and drawing process of basin frame |
| CN203610517U (en) * | 2013-11-26 | 2014-05-28 | 梧州恒声电子科技有限公司 | Blanking and stretching die for basin stand |
| CN203610515U (en) * | 2013-11-26 | 2014-05-28 | 梧州恒声电子科技有限公司 | Flanging pattern punching one-step-forming die for basin stand |
Non-Patent Citations (1)
| Title |
|---|
| 林若森等: "扬声器盆架拉深模设计与调试", 《模具工业》 * |
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