CN104038890A - Processing technique for speaker frame with octagonal framework - Google Patents

Processing technique for speaker frame with octagonal framework Download PDF

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Publication number
CN104038890A
CN104038890A CN201410289628.8A CN201410289628A CN104038890A CN 104038890 A CN104038890 A CN 104038890A CN 201410289628 A CN201410289628 A CN 201410289628A CN 104038890 A CN104038890 A CN 104038890A
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CN
China
Prior art keywords
flower
millimeters
punching
ear
auris dextra
Prior art date
Application number
CN201410289628.8A
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Chinese (zh)
Inventor
冯玉权
Original Assignee
梧州恒声电子科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 梧州恒声电子科技有限公司 filed Critical 梧州恒声电子科技有限公司
Priority to CN201410289628.8A priority Critical patent/CN104038890A/en
Publication of CN104038890A publication Critical patent/CN104038890A/en

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Abstract

The invention discloses a processing technique for a speaker frame with an octagonal framework. The processing technique for the speaker frame with the octagonal framework includes steps of cutting, blanking, stretching, trimming, punching, left ear pattern punching, right ear pattern punching, single pattern punching and ear hole punching. The processing technique for the speaker frame with the octagonal framework is capable of precisely punching the octagonal framework and precisely locating the punched single pattern.

Description

A kind of processing technology with the speaker frame of octagon framework
Technical field
The present invention relates to a kind of manufacture field of stereo set, particularly a kind of processing technology with the speaker frame of octagon framework.
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 there is non-circular framework and have difficulty by traditional a punching press or casting.
Summary of the invention
The object of this invention is to provide the processing technology that is applicable to accurately to rush octagon framework and can accurately locates single speaker frame of spending of punching.
Technical scheme provided by the invention is: a kind of processing technology with the speaker frame of octagon framework, comprises the following steps:
Step 1: sawing sheet, by banding machine cut one wide be the coiled strip of 117 millimeters;
Step 2: blank stretches, by blank stretching die, in described coiled strip upper punch, making at least one length of side is the square stock of 117 millimeters, and described square stock punching press is become to bowl-shape semi-finished product, described bowl-shape semi-finished product from bottom to top internal diameter increase successively, described bowl-shape semi-finished product are comprised of three grades of steps from bottom to top, three grades of described steps comprise be highly the first order step of 7.9~8.5 millimeters, be highly the second level step of 15.1~15.5 millimeters, be highly the third level step of 2.9~3.3 millimeters;
Step 3: edge-cutting and hole-punching, by trimming and piercing die, the upper surface of described third level step is struck out as by four long limits and four octagons that minor face forms, described long limit is 87~88 millimeters, described minor face is 7~8 millimeters, described long limit and minor face alternately connect to form octagon, by trimming and piercing die, in the bottom surface punching of described first order step, go out 1 mesopore, 8 rivet holes also go out 4 installing holes in the upper surface punching of described third level step, the center of circle of described mesopore is the center of the bottom surface of described first order step, the diameter of described mesopore is 29.7 millimeters, described rivet hole is evenly distributed on described mesopore around, the diameter of described rivet hole is 4.3 millimeters, the distance of center circle of described rivet hole is 21 ± 0.1 millimeters from the distance in the center of circle of described mesopore, described installing hole is distributed on the inner side of described minor face, and described installing hole is oval,
Step 4: rush left ear flower, by rushing left ear flower mould left ear flower of punching on described second level step; Described left ear flower is convex shape, and the left side of described left ear flower is protuberance, and right side is wide portion, and the height of the protuberance of described left ear flower is 9.7 millimeters, and the height of the wide portion of described left ear flower is 10.9 millimeters;
Step 5: rush auris dextra flower, by rushing auris dextra flower mould at auris dextra flower of right side punching of described left ear flower; Described auris dextra flower is convex shape, and the right side of described auris dextra flower is protuberance, and left side is wide portion, and the height of the protuberance of described auris dextra flower is 9.7 millimeters, and the height of the wide portion of described auris dextra flower is 10.9 millimeters;
Step 6: the single flower of punching, by rushing Dan Huamo at two single flowers of opposite punching of described left ear flower and auris dextra flower;
Step 7: rush earhole, by rushing earhole mould earhole of punching between the wide portion of described left ear flower and the wide portion of auris dextra flower, described earhole is the square of 3.5 millimeters of the length of sides.
In the processing technology of the above-mentioned speaker frame with octagon framework, described step 7 is also carried out surface treatment step after finishing, the color zinc of inside and outside spray trivalent chromium 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 with octagon framework, after described surface treatment step finishes, also carry out packaging step, 2 layers of environment protecting paper of outer surface parcel that described packaging step is the speaker frame that obtains after described surface treatment step completes.
In the processing technology of the above-mentioned speaker frame with octagon framework, described blank stretching die is arranged on 40T punch press; Described trimming and piercing die is arranged on 63T punch press; The described ear flower mould that rushes is arranged on 25T punch press; Described first Dan Huamo that rushes is arranged on 25T punch press; Described second Dan Huamo that rushes is arranged on 25T punch press; The described earhole mould that rushes is arranged on 16T punch press.
In the present invention, this programme is applicable to have the speaker frame of quadra, different from the speaker frame of traditional circular frame, the present invention adopts the repeatedly mode of one-shot streamline, has improved the precision of punching press and will shorten process time as far as possible, further, in order to prepare octagon framework, the present invention has adopted the step of blank stretching and punching trimming, and preparation has the speaker frame of octagon framework, and machining accuracy is high, preparation method is simple.Further, in order to improve the punching precision of asymmetric single flower, this programme adopts the repeatedly method of one-shot of shock wave, effectively improves the precision of the single flower of punching.In order to improve the impact of earhole on magnetic flux, by rushing ear flower mould and rushing auris dextra flower mould the part of the ear flower of earhole both sides is widened, make magnetic flux balanced.
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;
Fig. 3 is the B-B 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 shown in Figure 1 to Figure 3, a kind of processing technology with the speaker frame of octagon framework, comprises the following steps:
Step 1: sawing sheet, by banding machine cut one wide be the coiled strip of 117 millimeters;
Step 2: blank stretches, by blank stretching die, in described coiled strip upper punch, making at least one length of side is the square stock of 117 millimeters, and described square stock punching press is become to bowl-shape semi-finished product, described bowl-shape semi-finished product from bottom to top internal diameter increase successively, described bowl-shape semi-finished product are comprised of three grades of steps from bottom to top, three grades of described steps comprise be highly the first order step 1 of 7.9~8.5 millimeters, be highly the second level step 2 of 15.1~15.5 millimeters, be highly the third level step 3 of 2.9~3.3 millimeters; Wherein, the diameter of the lower surface of first order step is 57.4 millimeters, and the maximum gauge of the upper surface of first order step is 73.6 millimeters, and the maximum gauge of the upper surface of described second level step is 90 millimeters;
Step 3: edge-cutting and hole-punching, by trimming and piercing die, the upper surface of described third level step is struck out as by four long limits 4 and four octagons that minor face 5 forms, described long limit 4 is 87~88 millimeters, described minor face 5 is 7~8 millimeters, described long limit 4 and minor face 5 alternately connect to form octagon, by trimming and piercing die, in the bottom surface punching of described first order step 1, go out 1 mesopore 6, 8 rivet holes 7 also go out 4 installing holes 9 in the upper surface punching of described third level step 3, the center of circle of described mesopore 6 is the center of the bottom surface of described first order step 1, the diameter of described mesopore 6 is 29.7 millimeters, described rivet hole 7 is evenly distributed on described mesopore 6 around, the diameter of described rivet hole 7 is 4.3 millimeters, the distance of center circle of described rivet hole 7 is 21 ± 0.1 millimeters from the distance in the center of circle of described mesopore 6, described installing hole 9 is distributed on the inner side of described minor face 5, and described installing hole 9 is oval, after trimming, the maximum gauge of the upper surface of third level step 3 is 90.4 millimeters,
Step 4: rush left ear and spend 8, spend 8 by rushing left ear flower mould left ear of punching on described second level step 2; Described left ear spends 8 for convex shape, and it is protuberance that described left ear is spent 8 left side, and right side is wide portion, and the height of the protuberance 10 of described left ear flower is 9.7 millimeters, and the height of the wide portion 11 of described left ear flower is 10.9 millimeters;
Step 5: rush auris dextra and spend 12, spend auris dextra of right side punching of 8 to spend 12 by rushing auris dextra flower mould at described left ear; Described auris dextra spends 12 for convex shape, and it is protuberance that described auris dextra is spent 12 right side, and left side is wide portion, and the height of the protuberance 13 of described auris dextra flower is 9.7 millimeters, and the height of the wide portion 14 of described auris dextra flower is 10.9 millimeters;
Step 6: punching singly spends 15, by rush Dan Huamo described left ear spend 8 and auris dextra spend 12 two of opposite punching singly to spend 15;
Step 7: rush earhole 16, by rushing earhole mould earhole 16 of punching between the wide portion 11 of described left ear flower and the wide portion 14 of auris dextra flower, described earhole 16 is the square of 3.5 millimeters of the length of sides.
Step 8: surface treatment step, the color zinc of inside and outside spray trivalent chromium that described surface treatment step is the speaker frame that obtains after described step 7 completes.
Step 9: packaging step, 2 layers of environment protecting paper of outer surface parcel that described packaging step is the speaker frame that obtains after described surface treatment step completes.
In the present embodiment, described blank stretching die is arranged on 40T punch press; Described trimming and piercing die is arranged on 63T punch press; The described left ear flower mould that rushes is arranged on 25T punch press; The described auris dextra flower mould mould that rushes is arranged on 25T punch press; The described Dan Huamo that rushes is arranged on 25T 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 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 (4)

1. a processing technology with the speaker frame of octagon framework, is characterized in that, comprises the following steps:
Step 1: sawing sheet, by banding machine cut one wide be the coiled strip of 117 millimeters;
Step 2: blank stretches, by blank stretching die, in described coiled strip upper punch, making at least one length of side is the square stock of 117 millimeters, and described square stock punching press is become to bowl-shape semi-finished product, described bowl-shape semi-finished product from bottom to top internal diameter increase successively, described bowl-shape semi-finished product are comprised of three grades of steps from bottom to top, three grades of described steps comprise be highly the first order step of 7.9~8.5 millimeters, be highly the second level step of 15.1~15.5 millimeters, be highly the third level step of 2.9~3.3 millimeters;
Step 3: edge-cutting and hole-punching, by trimming and piercing die, the upper surface of described third level step is struck out as by four long limits and four octagons that minor face forms, described long limit is 87~88 millimeters, described minor face is 7~8 millimeters, described long limit and minor face alternately connect to form octagon, by trimming and piercing die, in the bottom surface punching of described first order step, go out 1 mesopore, 8 rivet holes also go out 4 installing holes in the upper surface punching of described third level step, the center of circle of described mesopore is the center of the bottom surface of described first order step, the diameter of described mesopore is 29.7 millimeters, described rivet hole is evenly distributed on described mesopore around, the diameter of described rivet hole is 4.3 millimeters, the distance of center circle of described rivet hole is 21 ± 0.1 millimeters from the distance in the center of circle of described mesopore, described installing hole is distributed on the inner side of described minor face, and described installing hole is oval,
Step 4: rush left ear flower, by rushing left ear flower mould left ear flower of punching on described second level step; Described left ear flower is convex shape, and the left side of described left ear flower is protuberance, and right side is wide portion, and the height of the protuberance of described left ear flower is 9.7 millimeters, and the height of the wide portion of described left ear flower is 10.9 millimeters;
Step 5: rush auris dextra flower, by rushing auris dextra flower mould at auris dextra flower of right side punching of described left ear flower; Described auris dextra flower is convex shape, and the right side of described auris dextra flower is protuberance, and left side is wide portion, and the height of the protuberance of described auris dextra flower is 9.7 millimeters, and the height of the wide portion of described auris dextra flower is 10.9 millimeters;
Step 6: the single flower of punching, by rushing Dan Huamo at two single flowers of opposite punching of described left ear flower and auris dextra flower;
Step 7: rush earhole, by rushing earhole mould earhole of punching between the wide portion of described left ear flower and the wide portion of auris dextra flower, described earhole is the square of 3.5 millimeters of the length of sides.
2. the processing technology with the speaker frame of octagon framework according to claim 1, it is characterized in that, described step 7 is also carried out surface treatment step after finishing, the color zinc of inside and outside spray trivalent chromium that described surface treatment step is the speaker frame that obtains after described step 7 completes.
3. the processing technology with the speaker frame of octagon framework according to claim 2, it is characterized in that, after described surface treatment step finishes, also carry out packaging step, 2 layers of environment protecting paper of outer surface parcel that described packaging step is the speaker frame that obtains after described surface treatment step completes.
4. according to the processing technology of the speaker frame with octagon framework described in claim 1~3 any one, it is characterized in that, described blank stretching die is arranged on 40T punch press; Described trimming and piercing die is arranged on 63T punch press; The described ear flower mould that rushes is arranged on 25T punch press; Described first Dan Huamo that rushes is arranged on 25T punch press; Described second Dan Huamo that rushes is arranged on 25T punch press; The described earhole mould that rushes is arranged on 16T punch press.
CN201410289628.8A 2014-06-25 2014-06-25 Processing technique for speaker frame with octagonal framework CN104038890A (en)

Priority Applications (1)

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CN201410289628.8A CN104038890A (en) 2014-06-25 2014-06-25 Processing technique for speaker frame with octagonal framework

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Application Number Priority Date Filing Date Title
CN201410289628.8A CN104038890A (en) 2014-06-25 2014-06-25 Processing technique for speaker frame with octagonal framework

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
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
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
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》 *

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Application publication date: 20140910