CN104038895A - Processing technique for precisely stretched and shaped speaker frame - Google Patents

Processing technique for precisely stretched and shaped speaker frame Download PDF

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Publication number
CN104038895A
CN104038895A CN201410290650.4A CN201410290650A CN104038895A CN 104038895 A CN104038895 A CN 104038895A CN 201410290650 A CN201410290650 A CN 201410290650A CN 104038895 A CN104038895 A CN 104038895A
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CN
China
Prior art keywords
millimeters
progressive die
punching
level
frame
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Pending
Application number
CN201410290650.4A
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Chinese (zh)
Inventor
唐豪
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WUZHOU HENGSHENG ELECTRONIC TECHNOLOGY Co Ltd
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WUZHOU HENGSHENG ELECTRONIC TECHNOLOGY Co Ltd
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Application filed by WUZHOU HENGSHENG ELECTRONIC TECHNOLOGY Co Ltd filed Critical WUZHOU HENGSHENG ELECTRONIC TECHNOLOGY Co Ltd
Priority to CN201410290650.4A priority Critical patent/CN104038895A/en
Publication of CN104038895A publication Critical patent/CN104038895A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a processing technique for a precisely stretched and shaped speaker frame. The processing technique for the precisely stretched and shaped speaker frame includes steps of blanking, stretching, shaping, pattern punching, ear hole pressing, punching, trimming and flanging. The processing technique for the precisely stretched and shaped speaker frame is capable of precisely processing each step in the speaker frame and precisely punching ear holes in different positions.

Description

The processing technology of the speaker frame of the accurate drawing and setting of a kind of warp
Technical field
The present invention relates to a kind of manufacture field of stereo set, particularly the processing technology of the speaker frame of the accurate drawing and setting of a kind of warp.
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, how accurately punching steps at different levels are researcher's problems in the urgent need to address.
Summary of the invention
The object of the invention is to be applicable to each step in a kind of accurate qualitative basin frame, accurately the processing technology of the speaker frame through accurate drawing and setting of the earhole of punching diverse location.
Technical scheme provided by the invention is: the processing technology of the speaker frame of the accurate drawing and setting of a kind of warp, comprises the following steps:
Step 1: blanking is 0.6 millimeter by the blanking progressive die at thickness, width is that on the coiled strip of 230 millimeters, to go out a diameter be the circular raw material of 225 millimeters;
Step 2: stretch, by the stretching progressive die, described circular raw material being stretched, to become interior height be the bowl-shape tensioning member of 54 millimeters;
Step 3: shaping, by the punching in described bowl-shape tensioning member of the shaping progressive die, go out three grades of steps, three grades of described steps comprise being highly the first order step of 15.8 ± 0.2 millimeters, are highly the second level step of 31.2 ± 0.2 millimeters, are highly the third level step of 9.8 ± 0.2 millimeters;
Step 4: shock wave, by the shock wave progressive die, at 2 single flowers of the even punching in the side of described second level step, first ear, spend, a second ear flower, the first described ear flower is concave shape ear flower, the recess of the first described ear flower is provided with the first square earhole, and the length of side of the first described square earhole is 3.6 ± 0.05 millimeters; The middle part of the second described ear flower is provided with a second square earhole, and the length of side of the second described square earhole is 3.6 ± 0.05 millimeters;
Step 5: clamp lug, is depressed into level by the clamp lug progressive die by the first described square earhole;
Step 6: punching trimming, by the punching trimming progressive die, the upper surface of the described third level is cut into an irregular ellipse, described irregular ellipse consists of two circular arcs and two line segments, and the diameter of described circular arc is 189 millimeters, and the radian of described circular arc is 131 °; The length of described line segment is 76.2 millimeters; And by the punching trimming progressive die at mesopore of the bottom surface of first order step punching and 4 rivet holes, the diameter of described mesopore is 41.8 millimeters, the center superposition of the bottom surface of the center of circle of described mesopore and described first order step, described rivet hole is evenly distributed on described mesopore around, the diameter of described rivet hole is 6.2 ± 0.1 millimeters, and the distance in the center of circle of the mesopore that described rivet hole distance is described is 30 ± 0.1 millimeters; 6 installing holes of upper surface punching at described third level step by punching edger simultaneously, the angle between described two adjacent installing holes is 60 °; The diameter of described installing hole is 4.5 ± 0.1 millimeters, and the distance of center circle of described installing hole is 86 ± 0.1 millimeters from the distance at the center of the upper surface of described third level step;
Step 7: flange, by the flange progressive die, the upper surface of described third level step is carried out to flange, after flange, the outside of the upper surface of described third level step is connected with a frame, and the height of described frame is 4.2 ± 0.3 millimeters, the opening upwards of described frame.
In the processing technology of the above-mentioned speaker frame through accurate drawing and setting, after described step 7 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 7 completes.
In the processing technology of the above-mentioned speaker frame through accurate drawing and setting, the described blanking progressive die is arranged on 110T/80T two-point press; The described stretching progressive die is arranged on 110T/80T two-point press; The described shaping progressive die is arranged on 110T/80T two-point press; The described shock wave progressive die is arranged on 110T/80T two-point press; The described clamp lug progressive die is arranged on 110T/80T two-point press, and the described punching trimming progressive die is arranged on 110T/80T two-point press upper, and the described flange progressive die is arranged on 110T/80T two-point press.
The present invention has adopted the first bowl-shape basin frame that rushes in advance, and then in bowl-shape basin frame punching steps at different levels, the problem that the basin frame of avoiding utilizing one-off drawing step stamping presses at different levels and Pressing Deformation to spend and causing is greatly scrapped, further, ear of this programme is taken and is provided with the earhole that can flatten, an ear is taken and is provided with fixing earhole, by shock wave and clamp lug step, realize the punching of the earhole of diverse location, realized the processing of earhole of basin frame of the specific shape of this programme, machining accuracy is high, and process velocity is fast.
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, the processing technology of the speaker frame of the accurate drawing and setting of a kind of warp, comprises the following steps:
Step 1: blanking is 0.6 millimeter by the blanking progressive die at thickness, width is that on the coiled strip of 230 millimeters, to go out a diameter be the circular raw material of 225 millimeters;
Step 2: stretch, by the stretching progressive die, described circular raw material being stretched, to become interior height be the bowl-shape tensioning member of 54 millimeters;
Step 3: shaping, by the punching in described bowl-shape tensioning member of the shaping progressive die, go out three grades of steps, three grades of described steps comprise being highly the first order step 1 of 15.8 ± 0.2 millimeters, are highly the second level step 2 of 31.2 ± 0.2 millimeters, are highly the third level step 3 of 9.8 ± 0.2 millimeters;
Step 4: shock wave, by the shock wave progressive die, 2 of the even punching in the side of described second level step, singly spend 4, first ears to spend 5, second ear spends 6, the first described ear spends 5 for concave shape ear flower, the first described ear spends 5 recess to be provided with the first square earhole 7, and the length of side of the first described square earhole 7 is 3.6 ± 0.05 millimeters; The second described ear spends 6 middle part to be provided with a second square earhole 8, and the length of side of the second described square earhole 8 is 3.6 ± 0.05 millimeters;
Step 5: clamp lug, is depressed into level by the clamp lug progressive die by the first described square earhole 7;
Step 6: punching trimming, by the punching trimming progressive die, the upper surface of the described third level is cut into an irregular ellipse, described irregular ellipse consists of two circular arcs 9 and two line segments 10, the diameter of described circular arc 9 is 189 millimeters, and the radian of described circular arc 9 is 131 °; The length of described line segment 10 is 76.2 millimeters; And by the punching trimming progressive die at mesopore 11 of the bottom surface of first order step 1 punching and 4 rivet holes 12, the diameter of described mesopore 11 is 41.8 millimeters, the center superposition of the bottom surface of the center of circle of described mesopore 11 and described first order step 1, described rivet hole 12 is evenly distributed on described mesopore 11 around, the diameter of described rivet hole 12 is 6.2 ± 0.1 millimeters, and the distance in the center of circle of the mesopore 11 that described rivet hole 12 distances are described is 30 ± 0.1 millimeters; 6 installing holes 13 of upper surface punching at described third level step 3 by punching edger simultaneously, the angle between described two adjacent installing holes 13 is 60 °; The diameter of described installing hole 13 is 4.5 ± 0.1 millimeters, and the distance of center circle of described installing hole 13 is 86 ± 0.1 millimeters from the distance at the center of the upper surface of described third level step 3;
Step 7: flange, by the flange progressive die, the upper surface of described third level step 3 is carried out to flange, after flange, the outside of the upper surface of described third level step 3 is connected with a frame 14, and the height of described frame 14 is 4.2 ± 0.3 millimeters, the opening upwards of described frame 14.
Step 8: 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 7 completes.
In the present embodiment, the described blanking progressive die is arranged on 110T/80T two-point press; The described stretching progressive die is arranged on 110T/80T two-point press; The described shaping progressive die is arranged on 110T/80T two-point press; The described shock wave progressive die is arranged on 110T/80T two-point press; The described clamp lug progressive die is arranged on 110T/80T two-point press, and the described punching trimming progressive die is arranged on 110T/80T two-point press upper, and the described flange progressive die is arranged on 110T/80T 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. a processing technology for the speaker frame of the accurate drawing and setting of warp, is characterized in that, comprises the following steps:
Step 1: blanking is 0.6 millimeter by the blanking progressive die at thickness, width is that on the coiled strip of 230 millimeters, to go out a diameter be the circular raw material of 225 millimeters;
Step 2: stretch, by the stretching progressive die, described circular raw material being stretched, to become interior height be the bowl-shape tensioning member of 54 millimeters;
Step 3: shaping, by the punching in described bowl-shape tensioning member of the shaping progressive die, go out three grades of steps, three grades of described steps comprise being highly the first order step of 15.8 ± 0.2 millimeters, are highly the second level step of 31.2 ± 0.2 millimeters, are highly the third level step of 9.8 ± 0.2 millimeters;
Step 4: shock wave, by the shock wave progressive die, at 2 single flowers of the even punching in the side of described second level step, first ear, spend, a second ear flower, the first described ear flower is concave shape ear flower, the recess of the first described ear flower is provided with the first square earhole, and the length of side of the first described square earhole is 3.6 ± 0.05 millimeters; The middle part of the second described ear flower is provided with a second square earhole, and the length of side of the second described square earhole is 3.6 ± 0.05 millimeters;
Step 5: clamp lug, is depressed into level by the clamp lug progressive die by the first described square earhole;
Step 6: punching trimming, by the punching trimming progressive die, the upper surface of the described third level is cut into an irregular ellipse, described irregular ellipse consists of two circular arcs and two line segments, and the diameter of described circular arc is 189 millimeters, and the radian of described circular arc is 131 °; The length of described line segment is 76.2 millimeters; And by the punching trimming progressive die at mesopore of the bottom surface of first order step punching and 4 rivet holes, the diameter of described mesopore is 41.8 millimeters, the center superposition of the bottom surface of the center of circle of described mesopore and described first order step, described rivet hole is evenly distributed on described mesopore around, the diameter of described rivet hole is 6.2 ± 0.1 millimeters, and the distance in the center of circle of the mesopore that described rivet hole distance is described is 30 ± 0.1 millimeters; 6 installing holes of upper surface punching at described third level step by punching edger simultaneously, the angle between described two adjacent installing holes is 60 °; The diameter of described installing hole is 4.5 ± 0.1 millimeters, and the distance of center circle of described installing hole is 86 ± 0.1 millimeters from the distance at the center of the upper surface of described third level step;
Step 7: flange, by the flange progressive die, the upper surface of described third level step is carried out to flange, after flange, the outside of the upper surface of described third level step is connected with a frame, and the height of described frame is 4.2 ± 0.3 millimeters, the opening upwards of described frame.
2. the processing technology of the speaker frame of the accurate drawing and setting of warp according to claim 1, it is characterized in that, after described step 7 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 7 completes.
3. according to the processing technology of the speaker frame through accurate drawing and setting described in claim 1~2 any one, it is characterized in that, the described blanking progressive die is arranged on 110T/80T two-point press; The described stretching progressive die is arranged on 110T/80T two-point press; The described shaping progressive die is arranged on 110T/80T two-point press; The described shock wave progressive die is arranged on 110T/80T two-point press; The described clamp lug progressive die is arranged on 110T/80T two-point press, and the described punching trimming progressive die is arranged on 110T/80T two-point press upper, and the described flange progressive die is arranged on 110T/80T two-point press.
CN201410290650.4A 2014-06-25 2014-06-25 Processing technique for precisely stretched and shaped speaker frame Pending CN104038895A (en)

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Application Number Priority Date Filing Date Title
CN201410290650.4A CN104038895A (en) 2014-06-25 2014-06-25 Processing technique for precisely stretched and shaped speaker frame

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CN104038895A true CN104038895A (en) 2014-09-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105170833A (en) * 2015-08-21 2015-12-23 黄重九 Precise-punching and stretching forming method for gear ring

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203156311U (en) * 2013-04-24 2013-08-28 吉林市航盛宏宇电子有限公司 Soldering lug locating and installing device of loudspeaker frame
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203156311U (en) * 2013-04-24 2013-08-28 吉林市航盛宏宇电子有限公司 Soldering lug locating and installing device of loudspeaker frame
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
林若森等: ""扬声器盆架拉深模设计与调试"", 《模具工业》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105170833A (en) * 2015-08-21 2015-12-23 黄重九 Precise-punching and stretching forming method for gear ring
CN105170833B (en) * 2015-08-21 2019-04-16 武汉华夏精冲技术有限公司 A kind of gear ring fine method of stretch forming

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Application publication date: 20140910