CN104038893A - Processing technique for repeatedly stretched speaker frame - Google Patents
Processing technique for repeatedly stretched speaker frame Download PDFInfo
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- CN104038893A CN104038893A CN201410289842.3A CN201410289842A CN104038893A CN 104038893 A CN104038893 A CN 104038893A CN 201410289842 A CN201410289842 A CN 201410289842A CN 104038893 A CN104038893 A CN 104038893A
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Abstract
The invention discloses a processing technique for a repeatedly stretched speaker frame. The processing technique for the repeatedly stretched speaker frame includes steps of cutting, blanking, notching, primary stretching, secondary stretching, pattern punching, ear hole pressing, punching, trimming and flanging. The processing technique for the repeatedly stretched speaker frame is capable of precisely punching each step.
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 through multi-drawing.
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, the sound with stereo set does not produce the requirements such as resonance, 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, while particularly needing to arrange other meticulousr assemblies as ear flower and earhole in basin frame, traditional technology mode cannot be realized, particularly in basin frame, there is multi-stage stairs, and when the side of step is divided into inclined plane and vertical plane, to carry out accurate punching press to steps at different levels and there is higher difficulty.
Summary of the invention
The object of the invention is to be applicable to a kind of processing technology with the speaker frame through multi-drawing of accurate punching press steps at different levels.
Technical scheme provided by the invention is: a kind of processing technology of the speaker frame through multi-drawing, comprises the following steps:
Step 1: sawing sheet, by shearing machine, at thickness, be on the cold-rolled carbon steel thin plate of 0.6 millimeter, cut one wide be the coiled strip of 209 millimeters;
Step 2: blanking, by the blanking progressive die, on described coiled strip, go out a length of side and be the square raw material of 209 millimeters;
Step 3: jet-bedding, by jet-bedding progressive die groove of punching on described square raw material, the internal diameter of described groove is 94.26 millimeters, the external diameter of described groove is 107 millimeters, the center superposition of the center of circle of described groove and described square raw material;
Step 4: stretch for the first time, by the progressive die that stretches for the first time, the reeded square raw material punching of punching is gone out to first order step, the height of described first order step is 12.5 ± 0.3 millimeters, and the bottom surface diameter of described first order step is 82 millimeters;
Step 5: stretch for the second time, by stretching for the second time, the progressive die will go out third level step and fourth stage step through the square raw material punching stretching for the first time in step 4, the height of described third level step is 19.5 ± 0.3 millimeters, the height of described fourth stage step is 10 millimeters, the diameter of the upper surface of described third level step is 139 millimeters, the diameter of the upper surface of described fourth stage step is 195 ± 0.3 millimeters, described groove forms second level step, and the height of described second level step is 2.0 millimeters;
Step 6: shock wave, by the shock wave progressive die 3 single flowers of even punching and ear flower on the inclined plane of described third level step, and spend earhole of middle punching at described ear, described earhole is the square of 3.55 ± 0.05 millimeters of the length of sides;
Step 7: clamp lug, is depressed into level by the clamp lug progressive die by described earhole;
Step 8: punching, mesopore of bottom surface punching and 6 rivet holes by punching progressive die at described first order step, 6 installing holes of the even punching of upper surface at described fourth stage step, described rivet hole and installing hole dislocation punching, described rivet hole and the angle between installing hole are 15 °; The diameter of described rivet hole is 6.2 ± 0.1 millimeters, the distance at the center of the bottom surface of the first order step that described installing hole distance is described is 30 ± 0.1 millimeters, the diameter of described installing hole is 5.8 ± 0.1 millimeters, and the distance at the center of the upper surface of the fourth stage step that described installing hole distance is described is 80.3 ± 0.1 millimeters; The diameter of described mesopore is 45 ± 0.2 millimeters, the center superposition of the bottom surface of the center of circle of described mesopore and described first order step;
Step 9: trimming, by the trimming progressive die, the upper surface of described fourth stage step is cut into by two circular arcs and two non-regular ellipses that line segment forms, the radian of described circular arc is 130 °, the diameter of described circular arc is 175 ± 0.3 millimeters, 61 millimeters of the length of described line segment, described circular arc is alternately connected and surrounds a non-regular ellipse with line segment;
Step 10: flange, by the flange progressive die, the upper surface of described fourth stage step is carried out to flange, after flange, the outside of the upper surface of described fourth stage step is connected with a vertical frame, and the height of described frame is 3 ± 0.3 millimeters.
In the processing technology of the above-mentioned speaker frame through multi-drawing, described step 10 is also carried out surface treatment step after finishing, the spraying inside and outside black grit powder that described surface treatment step is the speaker frame that obtains after described step 10 completes.
In the processing technology of the above-mentioned speaker frame through multi-drawing, the described blanking progressive die is arranged on 110T two-point press; The described jet-bedding progressive die is arranged on 110T two-point press; The described progressive die of stretching is for the first time arranged on 110T two-point press; The described progressive die of stretching is for the second time arranged on 110T two-point press; The described shock wave progressive die is arranged on 110T two-point press, and the described clamp lug progressive die is arranged on 110T two-point press upper, and described punching progressive die is arranged on 110T two-point press; The described trimming progressive die is arranged on 110T two-point press, and the described flange progressive die is arranged on 110T two-point press.
The present invention has adopted multi-drawing basin frame, first by jet-bedding, raw material is divided into inside and outside two parts, first by the part of the inside of stretching groove for the first time, then by the part of stretching groove outside for the second time, in the process stretching, groove plays positioning function, and the end rearward recess that stretches changes second level step into, realize the object stretching accurately of multi-stage stairs, by groove, reduced the impact that the gradation of groove internal and external parts stretches each other.
Accompanying drawing explanation
Fig. 1 is the vertical view of specific embodiments of the invention 1;
Fig. 2 is the A-A cutaway view of specific embodiments of the 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 depicted in figs. 1 and 2, a kind of processing technology of the speaker frame through multi-drawing, comprises the following steps:
Step 1: sawing sheet, by shearing machine, at thickness, be on the cold-rolled carbon steel thin plate of 0.6 millimeter, cut one wide be the coiled strip of 209 millimeters;
Step 2: blanking, by the blanking progressive die, on described coiled strip, go out a length of side and be the square raw material of 209 millimeters;
Step 3: jet-bedding, by jet-bedding progressive die groove 1 of punching on described square raw material, the internal diameter of described groove 1 is 94.26 millimeters, the external diameter of described groove 1 is 107 millimeters, the center superposition of the center of circle of described groove 1 and described square raw material;
Step 4: stretch for the first time, by the progressive die that stretches for the first time, the square raw material punching of punching fluted 1 is gone out to first order step 2, the height of described first order step 2 is 12.5 ± 0.3 millimeters, and the bottom surface diameter of described first order step 2 is 82 millimeters;
Step 5: stretch for the second time, by stretching for the second time, the progressive die will go out third level step 3 and the fourth stage 4 steps through the square raw material punching stretching for the first time in step 4, the height of described third level step 3 is 19.5 ± 0.3 millimeters, the height of the described fourth stage 4 steps is 10 millimeters, the diameter of the upper surface of the described third level 3 steps is 139 millimeters, the diameter of the upper surface of described fourth stage step 4 is 195 ± 0.3 millimeters, described groove 1 forms second level step 5, and the height of described second level step 5 is 2.0 millimeters;
Step 6: shock wave, by even 3 of the punching on the inclined plane of described third level step 3 of the shock wave progressive die, singly to spend 6 and ears to spend 7, and spend earhole 8 of 7 middle punching at described ear, described earhole 8 is the square of 3.55 ± 0.05 millimeters of the length of sides;
Step 7: clamp lug, is depressed into level by the clamp lug progressive die by described earhole 8;
Step 8: punching, mesopore 9 of bottom surface punching and 6 rivet holes 10 by punching progressive die at described first order step 2,6 installing holes 11 of the even punching of upper surface at described fourth stage step 4, described rivet hole 10 and installing hole 11 dislocation punching, described rivet hole 10 and the angle between installing hole 11 are 15 °; The diameter of described rivet hole 10 is 6.2 ± 0.1 millimeters, the distance at the center of the bottom surface of the first order step 1 that described rivet hole 10 distances are described is 30 ± 0.1 millimeters, the diameter of described installing hole 11 is 5.8 ± 0.1 millimeters, and the distance at the center of the upper surface of the fourth stage step 4 that described installing hole 11 distances are described is 80.3 ± 0.1 millimeters; The diameter of described mesopore 9 is 45 ± 0.2 millimeters, the center superposition of the bottom surface of the center of circle of described mesopore 9 and described first order step 2;
Step 9: trimming, by the trimming progressive die, the upper surface of described fourth stage step 4 is cut into by two circular arcs 12 and two non-regular ellipses that line segment 13 forms, the radian of described circular arc 12 is 130 °, the diameter of described circular arc 12 is 175 ± 0.3 millimeters, 61 millimeters of the length of described line segment 13, described circular arc 12 is alternately connected and surrounds a non-regular ellipse with line segment 13;
Step 10: flange, by the flange progressive die, the upper surface of described fourth stage step 4 is carried out to flange, after flange, the outside of the upper surface of described fourth stage step 4 is connected with a vertical frame 14, and the height of described frame 14 is 3 ± 0.3 millimeters.
Step 11: surface treatment step, the spraying inside and outside black grit powder that described surface treatment step is the speaker frame that obtains after described step 10 completes.
In the processing technology of the above-mentioned speaker frame through multi-drawing, the described blanking progressive die is arranged on 110T two-point press; The described jet-bedding progressive die is arranged on 110T two-point press; The described progressive die of stretching is for the first time arranged on 110T two-point press; The described progressive die of stretching is for the second time arranged on 110T two-point press; The described shock wave progressive die is arranged on 110T two-point press, and the described clamp lug progressive die is arranged on 110T two-point press upper, and described punching progressive die is arranged on 110T two-point press; The described trimming progressive die is arranged on 110T two-point press, and the described flange progressive die is arranged on 110T two-point press.
Aforesaid operations all completes by the progressive die, and operating process is quick, and punching press accuracy is high, can when guaranteeing accuracy, have the efficiency of a punching press.
Above-described is only preferred embodiment of the present invention, all any modifications 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. through a processing technology for the speaker frame of multi-drawing, it is characterized in that, comprise the following steps:
Step 1: sawing sheet, by shearing machine, at thickness, be on the cold-rolled carbon steel thin plate of 0.6 millimeter, cut one wide be the coiled strip of 209 millimeters;
Step 2: blanking, by the blanking progressive die, on described coiled strip, go out a length of side and be the square raw material of 209 millimeters;
Step 3: jet-bedding, by jet-bedding progressive die groove of punching on described square raw material, the internal diameter of described groove is 94.26 millimeters, the external diameter of described groove is 107 millimeters, the center superposition of the center of circle of described groove and described square raw material;
Step 4: stretch for the first time, by the progressive die that stretches for the first time, the reeded square raw material punching of punching is gone out to first order step, the height of described first order step is 12.5 ± 0.3 millimeters, and the bottom surface diameter of described first order step is 82 millimeters;
Step 5: stretch for the second time, by stretching for the second time, the progressive die will go out third level step and fourth stage step through the square raw material punching stretching for the first time in step 4, the height of described third level step is 19.5 ± 0.3 millimeters, the height of described fourth stage step is 10 millimeters, the diameter of the upper surface of described third level step is 139 millimeters, the diameter of the upper surface of described fourth stage step is 195 ± 0.3 millimeters, described groove forms second level step, and the height of described second level step is 2.0 millimeters;
Step 6: shock wave, by the shock wave progressive die 3 single flowers of even punching and ear flower on the inclined plane of described third level step, and spend earhole of middle punching at described ear, described earhole is the square of 3.55 ± 0.05 millimeters of the length of sides;
Step 7: clamp lug, is depressed into level by the clamp lug progressive die by described earhole;
Step 8: punching, mesopore of bottom surface punching and 6 rivet holes by punching progressive die at described first order step, 6 installing holes of the even punching of upper surface at described fourth stage step, described rivet hole and installing hole dislocation punching, described rivet hole and the angle between installing hole are 15 °; The diameter of described rivet hole is 6.2 ± 0.1 millimeters, the distance at the center of the bottom surface of the first order step that described installing hole distance is described is 30 ± 0.1 millimeters, the diameter of described installing hole is 5.8 ± 0.1 millimeters, and the distance at the center of the upper surface of the fourth stage step that described installing hole distance is described is 80.3 ± 0.1 millimeters; The diameter of described mesopore is 45 ± 0.2 millimeters, the center superposition of the bottom surface of the center of circle of described mesopore and described first order step;
Step 9: trimming, by the trimming progressive die, the upper surface of described fourth stage step is cut into by two circular arcs and two non-regular ellipses that line segment forms, the radian of described circular arc is 130 °, the diameter of described circular arc is 175 ± 0.3 millimeters, 61 millimeters of the length of described line segment, described circular arc is alternately connected and surrounds a non-regular ellipse with line segment;
Step 10: flange, by the flange progressive die, the upper surface of described fourth stage step is carried out to flange, after flange, the outside of the upper surface of described fourth stage step is connected with a vertical frame, and the height of described frame is 3 ± 0.3 millimeters.
2. the processing technology of the speaker frame through multi-drawing according to claim 1, it is characterized in that, after described step 10 finishes, also carry out surface treatment step, the spraying inside and outside black grit powder that described surface treatment step is the speaker frame that obtains after described step 10 completes.
3. according to the processing technology of the speaker frame through multi-drawing described in claim 1～2 any one, it is characterized in that, the described blanking progressive die is arranged on 110T two-point press; The described jet-bedding progressive die is arranged on 110T two-point press; The described progressive die of stretching is for the first time arranged on 110T two-point press; The described progressive die of stretching is for the second time arranged on 110T two-point press; The described shock wave progressive die is arranged on 110T two-point press, and the described clamp lug progressive die is arranged on 110T two-point press upper, and described punching progressive die is arranged on 110T two-point press; The described trimming progressive die is arranged on 110T two-point press, and the described flange progressive die is arranged on 110T two-point press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410289842.3A CN104038893A (en) | 2014-06-25 | 2014-06-25 | Processing technique for repeatedly stretched speaker frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410289842.3A CN104038893A (en) | 2014-06-25 | 2014-06-25 | Processing technique for repeatedly stretched speaker frame |
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| CN104038893A true CN104038893A (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410289842.3A Pending CN104038893A (en) | 2014-06-25 | 2014-06-25 | Processing technique for repeatedly stretched speaker frame |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479860A (en) * | 2018-05-15 | 2019-11-22 | 浙江优普生精密电子有限公司 | A kind of processing technology for measuring valve liner |
| CN110876111A (en) * | 2019-11-27 | 2020-03-10 | 安徽井利电子有限公司 | Multi-station processing device for loudspeaker frame |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773674A (en) * | 2012-08-11 | 2012-11-14 | 安徽省小小科技实业有限责任公司 | Hot forging, cold drawing composite molding process of bowl-shaped piece |
| CN202856937U (en) * | 2012-09-28 | 2013-04-03 | 嵊州市德科电声有限公司 | Loudspeaker basin-like stand |
| CN103406730A (en) * | 2013-08-13 | 2013-11-27 | 惠州伟业精密部件厂 | Manufacturing technology for support frame |
| CN103433694A (en) * | 2013-07-29 | 2013-12-11 | 江苏华达汽配制造有限公司 | Processing method of automobile B-pillar inner plate assembly |
| CN103639283A (en) * | 2013-11-27 | 2014-03-19 | 梧州恒声电子科技有限公司 | Basin stand automatic feeding progressive die production technology |
-
2014
- 2014-06-25 CN CN201410289842.3A patent/CN104038893A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773674A (en) * | 2012-08-11 | 2012-11-14 | 安徽省小小科技实业有限责任公司 | Hot forging, cold drawing composite molding process of bowl-shaped piece |
| CN202856937U (en) * | 2012-09-28 | 2013-04-03 | 嵊州市德科电声有限公司 | Loudspeaker basin-like stand |
| CN103433694A (en) * | 2013-07-29 | 2013-12-11 | 江苏华达汽配制造有限公司 | Processing method of automobile B-pillar inner plate assembly |
| CN103406730A (en) * | 2013-08-13 | 2013-11-27 | 惠州伟业精密部件厂 | Manufacturing technology for support frame |
| CN103639283A (en) * | 2013-11-27 | 2014-03-19 | 梧州恒声电子科技有限公司 | Basin stand automatic feeding progressive die production technology |
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》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479860A (en) * | 2018-05-15 | 2019-11-22 | 浙江优普生精密电子有限公司 | A kind of processing technology for measuring valve liner |
| CN110479860B (en) * | 2018-05-15 | 2021-06-25 | 浙江优普生精密电子有限公司 | Machining process of metering valve bushing |
| CN110876111A (en) * | 2019-11-27 | 2020-03-10 | 安徽井利电子有限公司 | Multi-station processing device for loudspeaker frame |
| CN110876111B (en) * | 2019-11-27 | 2021-02-12 | 安徽井利电子有限公司 | Multi-station processing device for loudspeaker frame |
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Application publication date: 20140910 |