CN102665160B - Lead spot welding tooling and line spot welding method for sound films of loudspeakers - Google Patents
Lead spot welding tooling and line spot welding method for sound films of loudspeakers Download PDFInfo
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- CN102665160B CN102665160B CN201210165124.6A CN201210165124A CN102665160B CN 102665160 B CN102665160 B CN 102665160B CN 201210165124 A CN201210165124 A CN 201210165124A CN 102665160 B CN102665160 B CN 102665160B
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Abstract
The invention relates to a lead spot welding tooling and a lead spot welding method for sound films of loudspeakers. The lead spot welding tooling comprises a lower base and an upper press base. The upper end face of the lower base is provided with limit flanges and a boss. The boss is provided with a positioning hole. The inner wall of the positioning hole is provided with a positioning groove. An annular step surface for mounting a sound coil is arranged at the upper end of the boss. The upper press base comprises a first base body and a second base body inserted into the positioning hole. The diameter of the first base body is larger than the diameter of the positioning hole. The second base body is provided with a positioning insert matched with the positioning groove. Lead retaining support legs are arranged on two side walls of the first base body. The limit flanges are respectively provided with a lead clamping notch. Two leads of the sound coil are subjected to spot welding on a frame without mutual contact, are loosened sufficiently and cannot vibrate along with the sound films, so that breakage of the leads due to fatigue is effectively avoided, and the service life of products is prolonged. Further, the integral load of the sound films is reduced, the loudspeakers are better in pure tone and low in distortion, operation can be completed by only one person, work efficiency is improved and labor cost is reduced.
Description
Technical field
The invention belongs to technical field of electronic devices, be specifically related to the loud speaker in field of electronic devices, relate to more specifically a kind of sound film of loudspeaker dotted line frock and method.
Background technology
The dotted line mode of sound film is that two lead-in wires of voice coil loudspeaker voice coil are drawn from same point at present, and two lead-in wires are fixed on sound film with glue, use glue spots on sound film voice coil leads again, the shortcoming of this kind of dotted line mode is: because two voice coil leads are drawn from same point, two lead-in wires are in contact with one another, and after the long-term vibration friction of sound film, the insulating barrier on two lead-in wires is often spoilt, cause two leading-in conductor contacts to form short circuit, loud speaker just can sound, cannot use like this; Use glue spots on sound film voice coil leads, in the time of vibration, voice coil leads is followed sound film and is vibrated together simultaneously, is easy to cause the fatigue broken string of lead-in wire; And by voice coil loudspeaker voice coil by glue spots to sound film, increased the load of sound film, cause loud speaker pure tone decline, the distortion factor improve; Simultaneously this kind of dotted line mode need to just can complete by a large amount of artificial cooperations, and the shape of dotted line and glue quantity are completely by Artificial Control, are easy to cause the Quality Down of loud speaker.
Summary of the invention
For above-mentioned technical problem, the invention provides a kind of sound film of loudspeaker dotted line frock and method, it is by voice coil leads point on basin frame, and two lead-in wires are not in contact with one another, and loosen fully voice coil leads, lead-in wire is not along with the vibrations of sound film simultaneously, effectively prevented tired broken string, improved the useful life of product, and the overall load of sound film alleviates, make the pure tone of loud speaker better, distortion is less.
Realize technical scheme of the present invention as follows:
Sound film of loudspeaker dotted line frock, it comprises lower bottom base, is arranged on the upper pressure seat that lower bottom base up and down base coordinates; The upper surface of lower bottom base is provided with spacing rib protruding upward, middle part, upper surface at lower bottom base is provided with the upwards boss of jack-up, on this boss, offer location hole, the inwall of location hole offers location notch, is provided with the annular table terrace that voice coil loudspeaker voice coil is installed in the upper end of boss; Upper pressure seat comprises the first pedestal, and be arranged on the first pedestal lower surface for inserting the second pedestal of above-mentioned location hole, the first pedestal is greater than the aperture of location hole, on the second pedestal, be provided with the location inserted block coordinating with above-mentioned location notch, be provided with gear line leg in the two side of the first pedestal, on described spacing rib, be provided with clamp otch.
Described lower bottom base upper surface offers circular arc storage tank, and this circular arc storage tank is between spacing rib and boss.
In described circular arc storage tank, be provided with two reference columns, two reference columns are disposed on a side in circular arc storage tank.The lower surface of basin frame is provided with weld tabs, and the pad of weld tabs is positioned at the upper surface of basin frame, the effect of its circular arc storage tank is the weld tabs for placing basin frame lower surface, and two reference columns withstand on two weld tabs, in the time of spot welding, can provide support like this, also can prevent the rotation of basin frame simultaneously.
Described gear line leg is " 7 " font leg, and the lower folding end of " 7 " font leg tilts to the first pedestal direction.The top rail end of " 7 " font leg is connected on upper pressure seat, lower folding end keeps off line to two lead-in wires of voice coil loudspeaker voice coil, and because its lower folding end is for being obliquely installed, even after voice coil leads spot welding is fixing, upper pressure seat also can conveniently be extracted from lower bottom base, can not form impact to voice coil leads.
Described lower bottom base upper surface offers annular groove around boss.This annular groove is for putting the projection of basin frame lower surface.
Described gear line leg is provided with four, and it is respectively spaced the first leg, the second leg, the 3rd leg, the 4th leg, and the first leg, the second leg are positioned at a side of the first pedestal, and the 3rd leg, the 4th leg are positioned at the opposite side of the first pedestal.After basin frame, voice coil loudspeaker voice coil, voice coil leads and upper pressure seat are in place, two weld tabs on basin frame are between the second leg, the 3rd leg, spot welding machine spots weld voice coil loudspeaker voice coil two lead-in wires corresponding weld tabs from the second leg, the 3rd leg, and between the first leg, the second leg and between the 3rd leg, the 4th leg, adopt glue that one section, two lead-in wire of voice coil loudspeaker voice coil is cemented in respectively basin frame, thereby firmly voice coil leads is fixed on basin frame.
Described spacing rib is provided with two, and the confined planes of two spacing ribs is on same circle, and described clamp otch is arranged on wherein on a spacing rib.Leaving certain gaps uncovered by the economic plan between two spacing ribs, is convenient to pick and place basin frame; And in the time that circular basin frame is placed on lower bottom base, by the confined planes of two spacing ribs, it is carried out spacing, thereby basin frame can not left and right, move forward and backward.
Described boss is round boss, and location hole is circular location hole, and the first pedestal, the second pedestal are cylindrical pedestal.
Sound film of loudspeaker point line method, it comprises the following steps,
Step 1: coordinating of the confined planes by basin frame external diameter and lower bottom base upper limit rib, basin frame is tentatively installed on lower bottom base, the reference column on lower bottom base withstands weld tabs on basin frame and forms and support;
Step 2: voice coil loudspeaker voice coil is enclosed within on the positioning boss of lower bottom base central authorities, two lead ends of voice coil loudspeaker voice coil are drawn through the both sides of the upper direction basin frame of basin frame;
Step 3: the reference column of upper pressure seat is injected in the location hole at lower bottom base middle part, the draw-in groove that fixture block on its reference column is aimed in location hole inserts, after upper pressure seat is in place, the gear line leg lower end on upper pressure seat is pressed on basin frame, and basin frame is fixed between lower bottom base and upper pressure seat;
Step 4: two lead-in wires of voice coil loudspeaker voice coil are drawn from the periphery of gear line leg respectively, and snap in respectively in clamp otch corresponding on spacing rib, such two lead-in wires are the weld tabs solder joint of correspondence top process from basin frame respectively;
Step 5: adopt welding machine between gear line leg, the welding section of two lead-in wires to be welded to corresponding weld tabs, after welding completes, take off upper pressure seat, then take out basin frame and complete, wait for the dotted line of next voice coil loudspeaker voice coil.
In above-mentioned steps four, gear line leg is four, is respectively arranged with two in the both sides of upper pressure seat, and between gear line leg, interval arranges, and in the time of spot welding, spot welding machine goes between voice coil loudspeaker voice coil two to be a little welded in corresponding weld tabs between gear line leg like this.
In above-mentioned steps five, before or after the welding section of two lead-in wires is welded to corresponding weld tabs by employing welding machine, adopt glue that two lead-in wires are bonded at respectively on basin frame.The interval of same glue between gear line leg is bonded at lead-in wire basin frame.
Adopt such scheme, by the lead-out wire mode of offshore shape, by two mutually non-touching drawing of lead-in wire of voice coil loudspeaker voice coil, short circuit, loud speaker tone-off that the mutual friction of having avoided going between causes; And by basin frame dotted line mode, by voice coil leads point, on basin frame, when having loosened voice coil leads fully, lead-in wire does not shake along with the vibrations of sound film, the fatigue broken string of having avoided lead-in wire to cause because of vibrations, the useful life of having improved product; And avoid lead-in wire to cement in that the load pure tone excessive and that cause that the glue on sound film causes sound film is bad, distortion is higher, the application of the invention, the overall load of sound film alleviates, and the pure tone of loud speaker is better, distortion is less, has improved the voice quality of loud speaker; Doing after long-time life experiment by 0.5W, sine wave, F0 frequency, show that common life-span of the mode on sound film is about 200 hours by voice coil leads point, and the loud speaker that adopts the present invention to complete is reaching 1000 hours useful life, the life-span significantly improves; The present invention only needs a people that basin frame, voice coil loudspeaker voice coil and lead-in wire thereof are installed between lower bottom base and upper pressure seat, just can carry out spot welding gluing, simple to operate, installs and retracts fast, has improved operating efficiency, has reduced recruitment cost.
Brief description of the drawings
Fig. 1 is the structural representation of dotted line frock of the present invention;
Fig. 2 is the structural representation of speaker frame, voice coil loudspeaker voice coil;
In figure, 1 is lower bottom base, 2 is upper pressure seat, 3 is the spacing rib of circular arc, 301 is the spacing rib of circular arc, 4 is confined planes, 401 is confined planes, 5 is breach, 6 is basin frame, 7 is boss, 8 is location hole, 9 is location notch, 10 is voice coil loudspeaker voice coil, 11 is annular table terrace, 12 is the first pedestal, 13 is the second pedestal, 14 is location inserted block, 15 is gear line leg, 16 is clamp otch, 161 is clamp otch, 17 is the lower folding end of leg, 18 is voice coil leads, 19 is the first leg, 20 is the second leg, 21 is the 3rd leg, 22 is the 4th leg, 23 is circular arc storage tank, 24 is reference column, 241 is reference column, 25 is annular groove, 26 is pad, 27 is glue bonding part.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
Referring to Fig. 1,2, sound film of loudspeaker dotted line frock, it comprises lower bottom base 1, is arranged on the upper pressure seat 2 that lower bottom base 1 up and down base coordinates; The upper surface of lower bottom base 1 is provided with two spacing ribs 3,301 of circular arc protruding upward, the spacing rib of circular arc is provided with two, the confined planes 4,401 of two spacing ribs of circular arc is on same circle, leaving certain gaps uncovered by the economic plan 5 between two spacing ribs of circular arc, be convenient to pick and place basin frame 6, and in the time that circular basin frame 6 is placed on lower bottom base 1, by two spacing ribs 3,301 of circular arc, it is carried out spacing, thereby basin frame can not left and right, move forward and backward; Clamp otch 16,161 is arranged on wherein on the spacing rib 3 of a circular arc; Middle part, upper surface at lower bottom base 1 is provided with the upwards boss 7 of jack-up, on this boss 7, offers location hole 8, and the inwall of location hole 8 offers location notch 9, is provided with the annular table terrace 11 that voice coil loudspeaker voice coil 10 is installed in the upper end of boss; Boss 7 is round boss, and location hole 8 is circular location hole;
Upper pressure seat 2 comprises the first pedestal 12, and is arranged on the first pedestal 12 lower surfaces and is integrated setting for the second pedestal 13, the first pedestals 12 and the second pedestal 13 that insert above-mentioned location hole 8, also can be for being welded; The first pedestal 12 is greater than the aperture of location hole 8, plays position-limiting action, and the first pedestal 12, the second pedestal 13 are cylindrical pedestal; On the second pedestal 13, be provided with and join the 9 location inserted block 14(that close with above-mentioned location notch and can certainly in circular location hole 8, guide vane end stop be set, on the second pedestal 13, be provided with the location notch coordinating with guide vane end stop), be provided with gear line leg 15 in the two side of the first pedestal 12, gear line leg 15 is " 7 " font leg, the lower folding end 17 of " 7 " font leg tilts to the first pedestal 12 directions, like this after voice coil leads spot welding is fixing, upper pressure seat 2 also can conveniently be extracted from lower bottom base 1, can't be on the voice coil loudspeaker voice coil 10 18 formation impacts that go between.
Wherein, gear line leg 15 is provided with four, it is respectively spaced the first leg 19, the second leg 20, the 3rd leg 21, the 4th leg 22, the first legs 19, the second leg 20 and is positioned at a side of the first pedestal 12, and the 3rd leg 21, the 4th leg 22 are positioned at the opposite side of the first pedestal.
Lower bottom base 1 upper surface offers circular arc storage tank 23, this circular arc storage tank is between the spacing rib of circular arc and boss 7, in circular arc storage tank, be provided with two reference columns 24,241, two reference columns are disposed on a side in circular arc storage tank, and reference column and lower bottom base are integrated and arrange or be welded; The lower surface of basin frame 6 is provided with weld tabs (not shown), and the pad 26 of weld tabs is positioned at the upper surface of basin frame 6, the effect of its circular arc storage tank is the weld tabs for placing basin frame 6 lower surfaces, two reference columns 24,241 withstand on two weld tabs, in the time of spot welding, can provide support like this, also can prevent the rotation of basin frame 6 simultaneously.Lower bottom base 1 upper surface offers annular groove 25 around boss 7.This annular groove 25 is for putting the projection (not shown) of basin frame 6 lower surfaces.
At basin frame 6, after voice coil loudspeaker voice coil 10 is installed on lower bottom base, voice coil leads is drawn from voice coil loudspeaker voice coil both sides, again upper pressure seat is assembled on lower bottom base, two voice coil leads are finally stuck in clamp otch along the lower limb of gear line leg outside, now the solder joint of two weld tabs on basin frame is positioned at the second leg, between the 3rd leg, spot welding machine is from the second leg, the 3rd leg spots weld voice coil loudspeaker voice coil two lead-in wires on corresponding solder joint, and from the first leg, between the second leg and the 3rd leg, between the 4th leg, adopt glue that two lead-in wires of voice coil loudspeaker voice coil are cemented in respectively to the glue bonding part 27 on basin frame, thereby firmly voice coil leads is fixed on basin frame, after having welded, just basin frame can be taken off together with voice coil loudspeaker voice coil.
Sound film of loudspeaker point line method, it comprises the following steps,
Step 1: by coordinating of the external diameter of basin frame and the confined planes of lower bottom base upper limit rib, basin frame is tentatively installed on lower bottom base, the weld tabs that the reference column on lower bottom base withstands on basin frame forms support, is convenient to spot welding;
Step 2: voice coil loudspeaker voice coil is enclosed within on the positioning boss of lower bottom base central authorities, offers the annular table terrace of location voice coil loudspeaker voice coil in positioning boss upper end, two lead ends of voice coil loudspeaker voice coil are drawn through the both sides of the upper direction basin frame of basin frame;
Step 3: the reference column of upper pressure seat is injected in the location hole at lower bottom base middle part, the draw-in groove that fixture block on its reference column is aimed in location hole inserts, upper pressure seat just can be installed on lower bottom base like this, after upper pressure seat is in place, gear line leg lower end on upper pressure seat is pressed on basin frame, thereby basin frame is securely fixed between lower bottom base and upper pressure seat;
Step 4: going between two of voice coil loudspeaker voice coil, draw the periphery of line leg and along keeping off the distribution of line leg, in the final clamp otch that snaps in respectively correspondence on spacing rib, such two lead-in wires pass through above the weld tabs solder joint of correspondence respectively from basin frame from keeping off respectively; Wherein keeping off line leg is four, is respectively arranged with two in the both sides of upper pressure seat, and between gear line leg, interval arranges, and in the time of spot welding, spot welding machine goes between voice coil loudspeaker voice coil two to be a little welded in corresponding weld tabs between gear line leg like this.
Step 5: adopt spot welding machine that the welding section of two lead-in wires is welded on corresponding weld tabs, after welding completes, take off upper pressure seat, then take out basin frame and complete, wait for the dotted line of next voice coil loudspeaker voice coil.Before or after the welding section of two lead-in wires is welded to corresponding weld tabs by employing welding machine, the interval of employing glue between gear line leg just two lead-in wires is bonded at respectively basin frame.By sound film, magnetic bowl, magnet steel pole piece on the basin frame glue taking off, complete the manufacture of whole loud speaker.
Utilize dotted line frock and method, voice coil leads is to symmetrical offshore shape draws, point is welded on the weld tabs on basin frame, when it fully loosens voice coil leads, voice coil leads can not shake with sound film, has effectively avoided tired broken string, has extended the useful life of voice coil loudspeaker voice coil and lead-in wire thereof, the short circuit tone-off of effectively having avoided two lead-in wire phase mutual friction and cause, and sound film load pure tone excessive and that cause is bad, distortion is higher.
Above-described is only one embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art at this, without departing from the concept of the premise of the invention, can also make improvement, but these all belongs to protection scope of the present invention.
Claims (9)
1. sound film of loudspeaker dotted line frock, is characterized in that: it comprises lower bottom base, is arranged on the upper pressure seat that lower bottom base up and down base coordinates; The upper surface of lower bottom base is provided with spacing rib protruding upward, middle part, upper surface at lower bottom base is provided with the upwards boss of jack-up, on this boss, offer location hole, the inwall of location hole offers location notch, is provided with the annular table terrace that voice coil loudspeaker voice coil is installed in the upper end of boss; Upper pressure seat comprises the first pedestal, and be arranged on the first pedestal lower surface for inserting the second pedestal of above-mentioned location hole, the first pedestal is greater than the aperture of location hole, on the second pedestal, be provided with the location inserted block coordinating with above-mentioned location notch, be provided with gear line leg in the two side of the first pedestal, on described spacing rib, be provided with clamp otch;
Described gear line leg is provided with four, and it is respectively spaced the first leg, the second leg, the 3rd leg, the 4th leg, and the first leg, the second leg are positioned at a side of the first pedestal, and the 3rd leg, the 4th leg are positioned at the opposite side of the first pedestal;
Lower surface at basin frame is provided with weld tabs, the upper surface of the pad of weld tabs in basin frame, after basin frame, voice coil loudspeaker voice coil are installed on lower bottom base, voice coil leads is drawn from voice coil loudspeaker voice coil both sides, again upper pressure seat is assembled on lower bottom base, two voice coil leads are stuck in clamp otch along the lower limb of gear line leg outside, the solder joint of two weld tabs on described basin frame, between the second leg, the 3rd leg, adopts glue that two lead-in wires of voice coil loudspeaker voice coil are cemented in respectively to the glue bonding part on basin frame between the first leg, the second leg and between the 3rd leg, the 4th leg.
2. sound film of loudspeaker dotted line frock according to claim 1, is characterized in that: described lower bottom base upper surface offers circular arc storage tank, this circular arc storage tank is between spacing rib and boss.
3. sound film of loudspeaker dotted line frock according to claim 2, is characterized in that: in described circular arc storage tank, be provided with two reference columns, two reference columns are disposed on a side in circular arc storage tank.
4. sound film of loudspeaker dotted line frock according to claim 1, is characterized in that: described gear line leg is " 7 " font leg, and the lower folding end of " 7 " font leg tilts to the first pedestal direction.
5. sound film of loudspeaker dotted line frock according to claim 1, is characterized in that: described lower bottom base upper surface offers annular groove around boss.
6. according to the sound film of loudspeaker dotted line frock described in any one in claim 1-5, it is characterized in that: described spacing rib is provided with two, the confined planes of two spacing ribs is on same circle, and described clamp otch is arranged on wherein on a spacing rib.
7. according to the sound film of loudspeaker dotted line frock described in any one in claim 1-5, it is characterized in that: described boss is round boss, location hole is circular location hole, and the first pedestal, the second pedestal are cylindrical pedestal.
8. sound film of loudspeaker point line method, is characterized in that: it comprises the following steps,
Step 1: by coordinating of basin frame external diameter and lower bottom base upper limit rib confined planes, basin frame is tentatively installed on lower bottom base, the reference column on lower bottom base withstands weld tabs on basin frame and forms and support;
Step 2: voice coil loudspeaker voice coil is enclosed within on the positioning boss of lower bottom base central authorities, two lead ends of voice coil loudspeaker voice coil are drawn through the both sides of the upper direction basin frame of basin frame;
Step 3: the reference column of upper pressure seat is injected in the location hole at lower bottom base middle part, the draw-in groove that fixture block on its reference column is aimed in location hole inserts, after upper pressure seat is in place, the gear line leg lower end on upper pressure seat is pressed on basin frame, and basin frame is fixed between lower bottom base and upper pressure seat;
Step 4: two lead-in wires of voice coil loudspeaker voice coil are drawn from the periphery of gear line leg respectively, and snap in respectively in clamp otch corresponding on spacing rib, such two lead-in wires are the weld tabs solder joint of correspondence top process from basin frame respectively; Now the solder joint of two weld tabs on basin frame is keeping off between the second leg of line leg, the 3rd leg;
Step 5: adopt welding machine from the second leg, the 3rd leg of gear line leg, voice coil loudspeaker voice coil two lead-in wires to be spoted weld corresponding solder joint, and adopt glue that two lead-in wires of voice coil loudspeaker voice coil are cemented in respectively to the glue bonding part basin frame between the first leg of gear line leg, the second leg and between the 3rd leg, the 4th leg, thereby firmly voice coil leads is fixed on basin frame, after welding completes, take off upper pressure seat, take out again basin frame and complete, wait for the dotted line of next voice coil loudspeaker voice coil.
9. sound film of loudspeaker point line method according to claim 8, is characterized in that: in above-mentioned steps five, before or after the welding section of two lead-in wires is welded to corresponding weld tabs by employing welding machine, adopt glue that two lead-in wires are bonded at respectively on basin frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210165124.6A CN102665160B (en) | 2012-05-24 | 2012-05-24 | Lead spot welding tooling and line spot welding method for sound films of loudspeakers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210165124.6A CN102665160B (en) | 2012-05-24 | 2012-05-24 | Lead spot welding tooling and line spot welding method for sound films of loudspeakers |
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| CN102665160B true CN102665160B (en) | 2014-07-30 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103731786B (en) * | 2013-12-23 | 2016-08-24 | 惠州市三协精密有限公司 | Resistor polarity for speaker detects and the device of automatically dotting automatically |
| CN105744458A (en) * | 2016-03-21 | 2016-07-06 | 湖南音品电子有限公司 | Loudspeaker processing unit and loudspeaker processing method |
| US10425756B2 (en) | 2017-03-29 | 2019-09-24 | Bose Corporation | Systems and methods for assembling an electro-acoustic transducer including a miniature voice coil |
| US10375495B2 (en) | 2017-03-29 | 2019-08-06 | Bose Corporation | Systems and methods for assembling an electro-acoustic transducer including a miniature voice coil |
| CN111432326A (en) * | 2020-04-30 | 2020-07-17 | 东莞天籁之音电声制品有限公司 | Loudspeaker tool |
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| JPS5851696A (en) * | 1981-09-24 | 1983-03-26 | Seiko Instr & Electronics Ltd | Dynamic speaker |
| CN201947421U (en) * | 2010-12-03 | 2011-08-24 | 深圳市冠旭电子有限公司 | Ear noise-reducing headphone |
| CN202587355U (en) * | 2012-05-24 | 2012-12-05 | 汉得利（常州）电子有限公司 | Wire spot-welding tool of sound film of loudspeaker |
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2012
- 2012-05-24 CN CN201210165124.6A patent/CN102665160B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5851696A (en) * | 1981-09-24 | 1983-03-26 | Seiko Instr & Electronics Ltd | Dynamic speaker |
| CN201947421U (en) * | 2010-12-03 | 2011-08-24 | 深圳市冠旭电子有限公司 | Ear noise-reducing headphone |
| CN202587355U (en) * | 2012-05-24 | 2012-12-05 | 汉得利（常州）电子有限公司 | Wire spot-welding tool of sound film of loudspeaker |
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