CN104038898A - Processing technique for speaker frame with a plurality of blanks - Google Patents

Processing technique for speaker frame with a plurality of blanks Download PDF

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Publication number
CN104038898A
CN104038898A CN201410290918.4A CN201410290918A CN104038898A CN 104038898 A CN104038898 A CN 104038898A CN 201410290918 A CN201410290918 A CN 201410290918A CN 104038898 A CN104038898 A CN 104038898A
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CN
China
Prior art keywords
millimeters
punching
mesopore
level
speaker frame
Prior art date
Application number
CN201410290918.4A
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Chinese (zh)
Inventor
唐豪
Original Assignee
梧州恒声电子科技有限公司
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Publication date
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 CN201410290918.4A priority Critical patent/CN104038898A/en
Publication of CN104038898A publication Critical patent/CN104038898A/en

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Abstract

The invention discloses a processing technique for a speaker frame with a plurality of blanks. The processing technique for the speaker frame with a plurality of blanks includes steps of cutting, blanking, stretching, punching, trimming, single pattern punching, ear hole punching and air hole punching. The processing technique for the speaker frame with a plurality of blanks is capable of precisely punching each blank.

Description

A kind of processing technology with the speaker frame of polyembryony part
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 polyembryony part.
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, when particularly in basin frame, the embryo number of packages amount of through hole type is too much, the location of how accurately controlling the size of embryo part and embryo part being set is a problem in the urgent need to address.
Summary of the invention
The object of the invention is to be applicable to a kind of processing technology of the speaker frame with polyembryony part of each embryo part of accurately punching press.
Technical scheme provided by the invention is: a kind of processing technology with the speaker frame of polyembryony part, comprises the following steps:
Step 1: sawing sheet, by shearing machine, at thickness, be on the cold-rolled carbon steel thin plate of 0.5 millimeter, cut one wide be 104 millimeters, length is the coiled strip of 1250 millimeters;
Step 2: Blanking, by Blanking mould, on described coiled strip, go out a diameter and be the circular raw material of 103 millimeters; And described circular raw material is stretched and becomes 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 4.5 millimeters, be highly the second level step of 17.5 millimeters, be highly the third level step of 3 millimeters;
Step 3: punching trimming, by punching edger rivet hole outside 1 mesopore of bottom surface punching of described first order step, 4 interior rivet holes and 4, and at four oval-shaped installing holes of the even punching of upper surface of described third level step; The diameter of described mesopore is 25 millimeters, the circle of described mesopore is positioned at the center of the bottom surface of described first order step, described interior rivet hole and the diameter of outer rivet hole are 4.2 ± 0.1 millimeters, the distance in the center of circle of the mesopore that described interior rivet hole distance is described is 15 ± 0.1 millimeters, and the distance in the center of circle of the mesopore that described outer rivet hole distance is described is 17 ± 0.1 millimeters; And by described punching edger by the upper surface punching of described third level step become one irregular square, described irregular be squarely formed by connecting from beginning to end by four identical circular arcs, the diameter of described circular arc is 113 millimeters, and the radian of described circular arc is 82 degree;
Step 4: the single flower of punching, by rushing Dan Huamo 4 single flowers of even punching on the inclined plane of described second level step;
Step 5: rush earhole, by rush earhole mould described wherein between two single flowers length of side of punching be the square earhole of 3.2 millimeters;
Step 6: rush air-vent, by rushing ventilative casement even 30 trapezoidal air-vents of punching on the inclined plane of described first order step, the top of described trapezoidal air-vent is 2 millimeters, is 2.5 millimeters below, and height is 2.8 millimeters.
In the processing technology of the above-mentioned speaker frame with polyembryony part, described step 6 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 6 completes.
In the processing technology of the above-mentioned speaker frame with polyembryony part, described Blanking mould is arranged on 40T punch press; Described punching edger is arranged on 40T punch press; The described Dan Huamo that rushes is arranged on 16T punch press; The described earhole mould that rushes is arranged on 10T punch press; The described ventilative casement that rushes is arranged on 10T punch press.
The present invention has adopted a mould to realize the punching press of mesopore, rivet hole, installing hole and frame, so the object of design is, the unconventional circle of upper surface due to the third level step of the related basin frame of this programme, but an irregularity is square, in order to reduce each embryo part problem due to the embryo part unbalance stress of square each through hole causing of irregularity in punching press, the error that reduces the punching press of embryo part, has improved dimensional accuracy and the positioning precision of the punching press of embryo part.
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 with the speaker frame of polyembryony part, comprises the following steps:
Step 1: sawing sheet, by shearing machine, at thickness, be on the cold-rolled carbon steel thin plate of 0.5 millimeter, cut one wide be 104 millimeters, length is the coiled strip of 1250 millimeters;
Step 2: Blanking, by Blanking mould, on described coiled strip, go out a diameter and be the circular raw material of 103 millimeters; And described circular raw material is stretched and becomes 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 4.5 millimeters, be highly the second level step 2 of 17.5 millimeters, be highly the third level step 3 of 3 millimeters;
Step 3: punching trimming, by punching edger rivet hole 6 outside 4,4 interior rivet holes 5 of 1 mesopore of bottom surface punching of described first order step 1 and 4, and at four oval-shaped installing holes 7 of the even punching of upper surface of described third level step 3; The diameter of described mesopore 4 is 25 millimeters, the circle of described mesopore 4 is positioned at the center of the bottom surface of described first order step 1, described interior rivet hole 5 and the diameter of outer rivet hole 6 are 4.2 ± 0.1 millimeters, the distance in the center of circle of the mesopore 4 that described interior rivet hole 5 distances are described is 15 ± 0.1 millimeters, and the distance in the center of circle of the mesopore 4 that described outer rivet hole 6 distances are described is 17 ± 0.1 millimeters; And by described punching edger by the upper surface punching of described third level step 3 become one irregular square, described irregular be squarely formed by connecting by four identical circular arcs, 8 head and the tail, the diameter of described circular arc 8 is 113 millimeters, and the radian of described circular arc 8 is 82 degree;
Step 4: the single flower of punching, by rushing Dan Huamo even 4 of punching on the inclined plane of described second level step 2, singly spend 9;
Step 5: rush earhole, by rush earhole mould described wherein two singly to spend length of side of punching between 9 be the square earhole 10 of 3.2 millimeters;
Step 6: rush air-vent, by rushing ventilative casement even 30 trapezoidal air-vents 11 of punching on the inclined plane of described first order step 1, the top of described trapezoidal air-vent 11 is 2 millimeters, is 2.5 millimeters below, and height is 2.8 millimeters.
Step 7: 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 6 completes.
In the present embodiment, described Blanking mould is arranged on 40T punch press; Described punching edger is arranged on 40T punch press; The described Dan Huamo that rushes is arranged on 16T punch press; The described earhole mould that rushes is arranged on 10T punch press; The described ventilative casement that rushes is arranged on 10T 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 (3)

1. a processing technology with the speaker frame of polyembryony part, is characterized in that, comprises the following steps:
Step 1: sawing sheet, by shearing machine, at thickness, be on the cold-rolled carbon steel thin plate of 0.5 millimeter, cut one wide be 104 millimeters, length is the coiled strip of 1250 millimeters;
Step 2: Blanking, by Blanking mould, on described coiled strip, go out a diameter and be the circular raw material of 103 millimeters; And described circular raw material is stretched and becomes 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 4.5 millimeters, be highly the second level step of 17.5 millimeters, be highly the third level step of 3 millimeters;
Step 3: punching trimming, by punching edger rivet hole outside 1 mesopore of bottom surface punching of described first order step, 4 interior rivet holes and 4, and at four oval-shaped installing holes of the even punching of upper surface of described third level step; The diameter of described mesopore is 25 millimeters, the circle of described mesopore is positioned at the center of the bottom surface of described first order step, described interior rivet hole and the diameter of outer rivet hole are 4.2 ± 0.1 millimeters, the distance in the center of circle of the mesopore that described interior rivet hole distance is described is 15 ± 0.1 millimeters, and the distance in the center of circle of the mesopore that described outer rivet hole distance is described is 17 ± 0.1 millimeters; And by described punching edger by the upper surface punching of described third level step become one irregular square, described irregular be squarely formed by connecting from beginning to end by four identical circular arcs, the diameter of described circular arc is 113 millimeters, and the radian of described circular arc is 82 degree;
Step 4: the single flower of punching, by rushing Dan Huamo 4 single flowers of even punching on the inclined plane of described second level step;
Step 5: rush earhole, by rush earhole mould described wherein between two single flowers length of side of punching be the square earhole of 3.2 millimeters;
Step 6: rush air-vent, by rushing ventilative casement even 30 trapezoidal air-vents of punching on the inclined plane of described first order step, the top of described trapezoidal air-vent is 2 millimeters, is 2.5 millimeters below, and height is 2.8 millimeters.
2. the processing technology with the speaker frame of polyembryony part according to claim 1, it is characterized in that, described step 6 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 6 completes.
3. according to the processing technology of the speaker frame with polyembryony part described in claim 1~2 any one, it is characterized in that, described Blanking mould is arranged on 40T punch press; Described punching edger is arranged on 40T punch press; The described Dan Huamo that rushes is arranged on 16T punch press; The described earhole mould that rushes is arranged on 10T punch press; The described ventilative casement that rushes is arranged on 10T punch press.
CN201410290918.4A 2014-06-25 2014-06-25 Processing technique for speaker frame with a plurality of blanks CN104038898A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201410290918.4A CN104038898A (en) 2014-06-25 2014-06-25 Processing technique for speaker frame with a plurality of blanks

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CN104038898A true CN104038898A (en) 2014-09-10

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030103643A1 (en) * 2001-12-05 2003-06-05 Wen-Teng Yu Amplifier with improved structure
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
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030103643A1 (en) * 2001-12-05 2003-06-05 Wen-Teng Yu Amplifier with improved structure
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
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: "扬声器盆架拉伸模设计与调试", 《模具工业》 *

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Application publication date: 20140910

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