CN104780495A - Assembling fixture and assembling method for square iron and coil of moving iron unit - Google Patents
Assembling fixture and assembling method for square iron and coil of moving iron unit Download PDFInfo
- Publication number
- CN104780495A CN104780495A CN201510176380.9A CN201510176380A CN104780495A CN 104780495 A CN104780495 A CN 104780495A CN 201510176380 A CN201510176380 A CN 201510176380A CN 104780495 A CN104780495 A CN 104780495A
- Authority
- CN
- China
- Prior art keywords
- coil
- square iron
- iron
- induction coil
- support plate
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 269
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 116
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000006698 induction Effects 0.000 claims abstract description 72
- 239000003292 glue Substances 0.000 claims description 20
- 238000010009 beating Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 230000007547 defect Effects 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 abstract 2
- 230000037431 insertion Effects 0.000 abstract 2
- 238000004026 adhesive bonding Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- General Induction Heating (AREA)
Abstract
The invention discloses an assembling fixture and an assembling method for a square iron and a coil of a moving iron unit, and belongs to the field of tooling and fixtures. The assembling fixture for the square iron and the coil of the moving iron unit comprises a base plate for mounting and locating the square iron and a carrier plate for mounting and locating the induction coil, wherein the base plate and the carrier plate are matched through an insertion groove and an insertion bump, so that the location is accurate; the square iron and the induction coil can be located and connected accurately to overcome the defects that a fixed core which is assembled in a penetrating manner is difficult to take down and the coil is easy to damage; the square iron and the induction coil are easy to take down after being fixed, so that the percent of pass of products is improved, the manufacturing efficiency is improved, and mass production is facilitated. The invention further discloses an assembling method for the square iron and the coil of the moving iron unit. The special fixture is utilized to locate the induction coil and the square iron, so that the location is accurate; the square iron and the induction coil combined by spot gluing, so that the product is easy to take down after being baked and cured, the flow line production is implemented, the production efficiency and the quality of the product are improved greatly.
Description
Technical field
The present invention relates to a kind of making tool and manufacture method of dynamic iron unit, more particularly, relate to assembled fixture and the assemble method of a kind of dynamic iron unit square iron and coil.
Background technology
Dynamic iron unit has that soundproof effect is good, volume is little, sensitivity advantages of higher, has been widely used in earphone and audio amplifier.Compared with moving-coil unit, the frequency response curve of dynamic iron unit is more stable, and uses the earphone of dynamic iron unit more to contribute to protecting hearing.The magnetic driving mechanism of dynamic iron unit is primarily of compositions such as balanced armature, square iron (yoke), induction coil and permanent magnets, permanent magnet is symmetricly set in square iron, form the oscillation space of balanced armature, balanced armature is through the centre of two permanent magnets, one end is provided with induction coil, and one end connects vibrating diaphragm by conductive bar.Dynamic iron unit volume is very little, and internal structure is comparatively complicated, and therefore the making of dynamic iron unit comparatively bothers, and production efficiency and rate of finished products are all lower.
In the manufacturing process of dynamic iron unit, need square iron and induction coil to assemble to be bonded together, as shown in Figure 5, traditional mode is determined on core 8 by the induction coil 5 made and the square iron 7 that welded permanent magnet through one, the joint face of induction coil 5 and square iron 7 arranges adhesive glue 6, after overbaking, then makes induction coil 5 and square iron 7 be fixed with one.Adopt aforesaid way assembling induction coil and square iron, on the one hand, due to induction coil 5, square iron 7 and to determine core 8 all very little, induction coil 5 and square iron 7 are sleeved on determine on core 8 very difficult; On the other hand, adhesive glue 6 is determined core 8 and is taken off very difficult after solidifying, the induction coil 5 that connected and square iron 7 not only can be made again to depart from, and induction coil 5 also can be caused to damage, and defect rate is high, production efficiency is also very low, and the labour intensity of workman is also comparatively large, and cost of labor is high.
Summary of the invention
1. invent the technical problem that will solve
The object of the invention is to the deficiency that packaging efficiency is low, defect rate is high overcoming existing dynamic iron unit square iron and coil, assembled fixture and the assemble method of a kind of dynamic iron unit square iron and coil are provided, adopt technical scheme of the present invention, utilize special fixture to locate induction coil and square iron respectively, glue of then square iron and the line of induction being punctuated combines, after square iron and induction coil are connected firmly, be easy to take off, not only increase conforming product rate, and improve make efficiency, be convenient to realize mass production.
2. technical scheme
For achieving the above object, technical scheme provided by the invention is:
The assembled fixture of a kind of dynamic iron unit square iron of the present invention and coil, comprise base plate and support plate, described base plate offers one or more than one horizontal inserting groove and one or more than one longitudinal inserting groove, described horizontal inserting groove is mutually vertical with longitudinal inserting groove, described horizontal inserting groove and the crossover location of longitudinal inserting groove are provided with insert holddown groove, insert is provided with in described insert holddown groove, be provided with the mold insert for locating square iron in the middle of described insert, the height that described mold insert exceeds insert end face is less than the height of square iron; Described support plate is provided with the horizontal inserting projection and longitudinal inserting projection that match with above-mentioned horizontal inserting groove and longitudinal inserting groove respectively, the middle part of described support plate is provided with the coil location core for locating induction coil, and the height that described coil location core exceeds support plate baseplane is less than the height of induction coil; When the horizontal inserting projection arranged on described support plate, longitudinal inserting projection match with the horizontal inserting groove that described base plate is arranged, longitudinal inserting groove, described coil location core is relative with described mold insert position, and the square iron after described insert end face to the distance and combination of support plate baseplane and the height of induction coil adapt.
Further, the quantity of described support plate is equal with the mold insert quantity that base plate is arranged.
Further, described insert holddown groove is rectangle, and is provided with circumferential notch on four angles of rectangle.
Further, the height that described mold insert exceeds insert end face is not less than 2/3 of the height of square iron; The height that described coil location core exceeds support plate baseplane is not less than 2/3 of the height of induction coil.
Further, the end of described mold insert and coil location core is equipped with chamfering.
Further, described horizontal inserting groove is provided with two, and described longitudinal inserting groove is provided with three.
The assemble method of a kind of dynamic iron unit square iron of the present invention and coil, comprises the following steps:
A permanent magnet is fixed on square iron inside by ();
B the square iron being provided with permanent magnet is installed on above-mentioned base plate by (), make square iron be set on mold insert; The induction coil that coiling is good is installed on above-mentioned support plate, makes induction coil be set on coil location core;
C () plays glue on the contact-making surface of mounted square iron and induction coil, and be installed on base plate by support plate, and the glue face of beating of square iron and induction coil is involutory;
D () toasts the tool be assembled into by base plate and support plate in step (c), take out after glue curing;
E () removes support plate, the square iron be assembled into one and induction coil are taken off.
Further, the concrete steps in step (a) are: square iron and permanent magnet are located, and adopt spot welding tentatively fixing, then adopt the mode of some glue square iron and permanent magnet to be fixed.
3. beneficial effect
Adopt technical scheme provided by the invention, compared with existing known technology, there is following remarkable result:
(1) assembled fixture of a kind of dynamic iron unit square iron of the present invention and coil, it comprises for installing the base plate of location square iron and the support plate for installing location induction coil, base plate and support plate are matched by inserting groove and inserting projection, accurate positioning, square iron and induction coil are accurately located by connecting, overcome penetration type assembling to determine core and take off the shortcoming such as difficulty, fragile coil, square iron and induction coil are easy to take off after fixing, not only increase conforming product rate, and improve make efficiency, be convenient to realize mass production;
(2) assembled fixture of a kind of dynamic iron unit square iron of the present invention and coil, the quantity of its support plate is equal with the mold insert quantity that base plate is arranged, preferred horizontal inserting groove is provided with two, longitudinal inserting groove is provided with three, namely every block base plate can place 6 prescription iron, comprehensive worker assembles and glue baking-curing time, can the reasonable distribution time, significantly enhance productivity;
(3) assembled fixture of a kind of dynamic iron unit square iron of the present invention and coil, its insert holddown groove is rectangle, and circumferential notch is provided with on four angles of rectangle, not only can facilitate the dismounting of insert, and the assembling and positioning of support plate and base plate can be facilitated, the location of square iron and coil is more accurately facilitated;
(4) assembled fixture of a kind of dynamic iron unit square iron of the present invention and coil, the height that its mold insert exceeds insert end face is not less than 2/3 of the height of square iron; The height that coil location core exceeds support plate baseplane is not less than 2/3 of the height of induction coil, while ensure that square iron and coil are easy to take off, also ensures after square iron and coil are installed not tilt, ensure that product quality;
(5) assembled fixture of a kind of dynamic iron unit square iron of the present invention and coil, the end of its mold insert and coil location core is equipped with chamfering, facilitates the installation of square iron and coil;
(6) assemble method of a kind of dynamic iron unit square iron of the present invention and coil, special fixture is utilized to locate induction coil and square iron respectively, accurate positioning, then glue of square iron and the line of induction being punctuated combines, after baking-curing, product is easy to take off, and achieves production line balance, and production efficiency and product quality are increased dramatically.
Accompanying drawing explanation
Fig. 1 is that the assembled fixture of a kind of dynamic iron unit square iron of the present invention and coil splits structural representation;
Fig. 2 is the structural representation of the base plate in the present invention;
Fig. 3 is the structural representation of the support plate in the present invention;
Fig. 4 is the A-A direction sectional structure schematic diagram in Fig. 3;
Fig. 5 is the assembling mode schematic diagram of square iron of the prior art and coil.
Label declaration in schematic diagram:
1, base plate; 11, horizontal inserting groove; 12, longitudinal inserting groove; 13, insert holddown groove; 2, insert; 3, mold insert, 4, support plate; 41, horizontal inserting projection; 42, longitudinal inserting projection; 43, coil location core; 5, induction coil; 6, adhesive glue; 7, square iron; 8, core is determined.
Embodiment
For understanding content of the present invention further, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
Shown in composition graphs 1 to Fig. 4, a kind of dynamic iron unit square iron of the present embodiment and the assembled fixture of coil, comprise base plate 1 and support plate 4, and base plate 1 is for installing location square iron, and support plate 4 is for installing location induction coil.Wherein, as shown in Figure 2, base plate 1 offers one or more than one horizontal inserting groove 11 and one or more than one longitudinal inserting groove 12, horizontal inserting groove 11 is mutually vertical with longitudinal inserting groove 12, form the grid structure of rectangular array arrangement, horizontal inserting groove 11 is provided with insert holddown groove 13 with the crossover location of longitudinal inserting groove 12, insert 2 is provided with in insert holddown groove 13, the mold insert 3 for locating square iron is provided with in the middle of insert 2, mold insert 3 is a rod-like members, be plugged in the through hole that insert 2 is arranged, the height that mold insert 3 exceeds insert 2 end face is less than the height of square iron.As shown in Figure 3 and Figure 4, support plate 4 is provided with the horizontal inserting projection 41 and longitudinal inserting projection 42 that match with above-mentioned horizontal inserting groove 11 and longitudinal inserting groove 12 respectively, namely the width of horizontal inserting projection 41 equals or slightly larger than the width of horizontal inserting groove 11, and the width of longitudinal inserting projection 42 equals or slightly larger than the width of longitudinal inserting groove 12; The middle part of support plate 4 is provided with the coil location core 43 for locating induction coil, and the height that coil location core 43 exceeds support plate 4 baseplane is less than the height of induction coil; When the horizontal inserting projection 41 that support plate 4 is arranged, longitudinal inserting projection 42 match with the horizontal inserting groove 11 that base plate 1 is arranged, longitudinal inserting groove 12, coil location core 43 is relative with mold insert 3 position, and the square iron after insert 2 end face to the distance and combination of support plate 4 baseplane and the height of induction coil adapt.The square iron of the present embodiment and the assembled fixture of coil, utilize cooperatively interacting of inserting groove and inserting projection, realize the automatic location of coil location core 43 and mold insert 3, thus square iron and induction coil are accurately located, make the assembling of square iron and induction coil more efficient and convenient, overcome the assembling of traditional penetration type to determine core and take off the shortcoming such as difficulty, fragile coil, square iron and induction coil are easy to take off after fixing, not only increase conforming product rate, and improve make efficiency, be convenient to realize mass production.
In addition, the quantity of support plate 4 is equal with mold insert 3 quantity that base plate 1 is arranged.As shown in Figure 2, as preferred version of the present invention, horizontal inserting groove 11 in the present embodiment is provided with two, longitudinal inserting groove 12 is provided with three, namely mold insert 3 arranges six on base plate 1, once can assemble six prescription iron and induction coils, considers worker assembles and glue baking-curing time, can the reasonable distribution time, significantly enhance productivity.In addition, the conveniently assembling and positioning of support plate 4 and base plate 1, insert holddown groove 13 in the present embodiment is rectangle, and circumferential notch is provided with on four angles of rectangle, this circumferential notch not only can facilitate the dismounting of insert 2, and support plate 4 and the assembling and positioning of base plate 1 can be facilitated, the location of square iron and coil is more accurately facilitated.The height exceeding insert 2 end face due to mold insert 3 is less than the height of square iron, the height that coil location core 43 exceeds support plate 4 baseplane is less than the height of induction coil, but in order to ensure that square iron and induction coil do not tilt after installing, in the present embodiment, the height that mold insert 3 exceeds insert 2 end face is not less than 2/3 of the height of square iron, the height that coil location core 43 exceeds support plate 4 baseplane is not less than 2/3 of the height of induction coil, so both can ensure that square iron and induction coil were easy to take off, can also guarantee that square iron and induction coil do not tilt after installing, ensure that product quality.Further, for the ease of the installation of square iron and induction coil, the end of mold insert 3 and coil location core 43 is equipped with chamfering.
A kind of dynamic iron unit square iron of the present embodiment and the assemble method of coil, comprise the following steps:
A permanent magnet is fixed on square iron inside by (); Be specially, square iron and permanent magnet are located, and adopt spot welding tentatively fixing, then adopt the mode of some glue square iron and permanent magnet to be fixed;
B the square iron being provided with permanent magnet is installed on above-mentioned base plate 1 by (), make square iron be set on mold insert 3; The induction coil that coiling is good is installed on above-mentioned support plate 4, makes induction coil be set on coil location core 43;
C () plays glue on the contact-making surface of mounted square iron and induction coil, and be installed on base plate 1 by support plate 4, and the glue face of beating of square iron and induction coil is involutory;
D () toasts the tool be assembled into by base plate 1 and support plate 4 in step (c), take out after glue curing;
E () removes support plate 4, the square iron be assembled into one and induction coil are taken off.
A kind of dynamic iron unit square iron of the present embodiment and the assemble method of coil, the location of square iron and induction coil no longer relies on determines core through square iron and induction coil, square iron after assembling and induction coil are when taking off, coil location core 43 reduces with the interference of mold insert 3 pairs of induction coils and square iron, adopt this mode dismantled respectively up and down, product is taken off more convenient, induction coil can not be damaged and destroy the square iron and induction coil that have assembled, improve conforming product rate, be applicable to mass production line balance, production efficiency and product quality are increased dramatically.
The assembled fixture of a kind of dynamic iron unit square iron of the present invention and coil and assemble method, special fixture is utilized to locate induction coil and square iron respectively, then glue of square iron and the line of induction being punctuated combines, after square iron and induction coil are connected firmly, be easy to take off, not only increase conforming product rate, and improve make efficiency, be convenient to realize mass production.
Below be schematically described the present invention and execution mode thereof, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, without creatively designing the frame mode similar to this technical scheme and embodiment, all should protection scope of the present invention be belonged to.
Claims (8)
1. the assembled fixture of a dynamic iron unit square iron and coil, it is characterized in that: comprise base plate (1) and support plate (4), described base plate (1) offers one or more than one horizontal inserting groove (11) and one or more than one longitudinal inserting groove (12), described horizontal inserting groove (11) is mutually vertical with longitudinal inserting groove (12), described horizontal inserting groove (11) is provided with insert holddown groove (13) with the crossover location of longitudinal inserting groove (12), insert (2) is provided with in described insert holddown groove (13), the mold insert (3) for locating square iron is provided with in the middle of described insert (2), the height that described mold insert (3) exceeds insert (2) end face is less than the height of square iron, described support plate (4) is provided with the horizontal inserting projection (41) and longitudinal inserting projection (42) matched with above-mentioned horizontal inserting groove (11) and longitudinal inserting groove (12) respectively, the middle part of described support plate (4) is provided with the coil location core (43) for locating induction coil, and the height that described coil location core (43) exceeds support plate (4) baseplane is less than the height of induction coil, when the horizontal inserting groove (11) that the horizontal inserting projection (41) arranged when described support plate (4) is upper, longitudinal inserting projection (42) are above arranged with described base plate (1), longitudinal inserting groove (12) are matched, described coil location core (43) is relative with described mold insert (3) position, and the square iron after described insert (2) end face to the distance and combination of support plate (4) baseplane and the height of induction coil adapt.
2. the assembled fixture of a kind of dynamic iron unit square iron according to claim 1 and coil, is characterized in that: the quantity of described support plate (4) is equal with upper mold insert (3) quantity arranged of base plate (1).
3. the assembled fixture of a kind of dynamic iron unit square iron according to claim 1 and 2 and coil, is characterized in that: described insert holddown groove (13) is rectangle, and be provided with circumferential notch on four angle of rectangle.
4. the assembled fixture of a kind of dynamic iron unit square iron according to claim 3 and coil, is characterized in that: the height that described mold insert (3) exceeds insert (2) end face is not less than 2/3 of the height of square iron; The height that described coil location core (43) exceeds support plate (4) baseplane is not less than 2/3 of the height of induction coil.
5. the assembled fixture of a kind of dynamic iron unit square iron according to claim 4 and coil, is characterized in that: described mold insert (3) and the end of coil location core (43) are equipped with chamfering.
6. the assembled fixture of a kind of dynamic iron unit square iron according to claim 5 and coil, is characterized in that: described horizontal inserting groove (11) is provided with two, and described longitudinal inserting groove (12) is provided with three.
7. an assemble method for dynamic iron unit square iron and coil, is characterized in that, comprise the following steps:
A permanent magnet is fixed on square iron inside by ();
B the square iron being provided with permanent magnet is installed on the base plate (1) described in claim 1 to 6 any one by (), make square iron be set on mold insert (3); The induction coil that coiling is good is installed on the support plate (4) described in claim 1 to 6 any one, makes induction coil be set on coil location core (43);
C () plays glue on the contact-making surface of mounted square iron and induction coil, and be installed on base plate (1) by support plate (4), and the glue face of beating of square iron and induction coil is involutory;
D () toasts the tool be assembled into by base plate (1) and support plate (4) in step (c), take out after glue curing;
E () removes support plate (4), the square iron be assembled into one and induction coil are taken off.
8. the assemble method of a kind of dynamic iron unit square iron according to claim 7 and coil, it is characterized in that: the concrete steps in step (a) are: square iron and permanent magnet are located, and adopt spot welding tentatively fixing, then adopt the mode of some glue square iron and permanent magnet to be fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510176380.9A CN104780495B (en) | 2015-04-14 | 2015-04-14 | A kind of assembled fixture and assemble method of dynamic iron unit square iron and coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510176380.9A CN104780495B (en) | 2015-04-14 | 2015-04-14 | A kind of assembled fixture and assemble method of dynamic iron unit square iron and coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104780495A true CN104780495A (en) | 2015-07-15 |
| CN104780495B CN104780495B (en) | 2018-04-10 |
Family
ID=53621675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510176380.9A Active CN104780495B (en) | 2015-04-14 | 2015-04-14 | A kind of assembled fixture and assemble method of dynamic iron unit square iron and coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104780495B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201267056Y (en) * | 2008-10-13 | 2009-07-01 | 施正仁 | Off-line combined tool-smelting module |
| CN202093976U (en) * | 2011-05-09 | 2011-12-28 | 东莞奇力新电子有限公司 | Positioning tool fixing device for inductance component soldering tin |
| CN103067836A (en) * | 2012-12-25 | 2013-04-24 | 苏州恒听电子有限公司 | Moving-iron unit with integrate conduction rod and preparation method of integrate conduction rod |
| CN103552173A (en) * | 2013-10-29 | 2014-02-05 | 贵州新安航空机械有限责任公司 | Forming mold with embedding blocks |
| CN203901639U (en) * | 2014-06-13 | 2014-10-29 | 怀宁县鑫钜照明电器有限公司 | Insert embedded type injection molding die |
| CN204119519U (en) * | 2014-07-28 | 2015-01-21 | 浙江毅林电子有限公司 | A kind of loud speaker assembly tool |
| CN204465871U (en) * | 2015-04-14 | 2015-07-08 | 常州阿木奇声学科技有限公司 | The assembled fixture of a kind of dynamic iron unit square iron and coil |
-
2015
- 2015-04-14 CN CN201510176380.9A patent/CN104780495B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201267056Y (en) * | 2008-10-13 | 2009-07-01 | 施正仁 | Off-line combined tool-smelting module |
| CN202093976U (en) * | 2011-05-09 | 2011-12-28 | 东莞奇力新电子有限公司 | Positioning tool fixing device for inductance component soldering tin |
| CN103067836A (en) * | 2012-12-25 | 2013-04-24 | 苏州恒听电子有限公司 | Moving-iron unit with integrate conduction rod and preparation method of integrate conduction rod |
| CN103552173A (en) * | 2013-10-29 | 2014-02-05 | 贵州新安航空机械有限责任公司 | Forming mold with embedding blocks |
| CN203901639U (en) * | 2014-06-13 | 2014-10-29 | 怀宁县鑫钜照明电器有限公司 | Insert embedded type injection molding die |
| CN204119519U (en) * | 2014-07-28 | 2015-01-21 | 浙江毅林电子有限公司 | A kind of loud speaker assembly tool |
| CN204465871U (en) * | 2015-04-14 | 2015-07-08 | 常州阿木奇声学科技有限公司 | The assembled fixture of a kind of dynamic iron unit square iron and coil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104780495B (en) | 2018-04-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102892063B (en) | Multiple driver transducer with symmetrical magnetic circuits and symmetric coil circuit | |
| CN203747990U (en) | Loudspeaker | |
| CN104202710A (en) | Production process of speaker | |
| CN103561371A (en) | Assembly process for post-installation magnetic circuit of loudspeaker | |
| CN204465871U (en) | The assembled fixture of a kind of dynamic iron unit square iron and coil | |
| CN102665160B (en) | Lead spot welding tooling and line spot welding method for sound films of loudspeakers | |
| CN204291381U (en) | Loud speaker module | |
| CN204518057U (en) | The diaphragm structure of panel speaker | |
| CN201629837U (en) | Coaxial loudspeaker | |
| CN205946151U (en) | Coaxial horn | |
| CN104780495A (en) | Assembling fixture and assembling method for square iron and coil of moving iron unit | |
| CN103152689A (en) | Horn basin frame for improving voice coil concentricity and manufacture method for horn | |
| CN203851418U (en) | Shielding case for circuit board | |
| CN202663536U (en) | Built-in television full frequency speaker | |
| CN204013955U (en) | A kind of audio amplifier | |
| CN107548013B (en) | A kind of voice coil importing fixture | |
| CN104785930A (en) | Manufacturing jig and manufacturing method for moving-iron unit square iron | |
| CN204291368U (en) | Microspeaker | |
| CN203279108U (en) | Multiple-point excitation source loudspeaker clamp | |
| CN207010964U (en) | A kind of magnetic circuit structure for loudspeaker for reducing distortion | |
| CN208001212U (en) | Stator assembles universal fixturing | |
| CN201332499Y (en) | Novel audio frequency converter | |
| CN104202709A (en) | Method for assembling voice diaphragm of loudspeaker | |
| CN105352706A (en) | Test standard plate and preparation method thereof | |
| CN204145743U (en) | Loudspeaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240430 Address after: 712000 South side of Cuixigou Village Committee, Yangling Street, Yangling Demonstration Zone, Xianyang City, Shaanxi Province Patentee after: Shaanxi Amuqi Intelligent Electroacoustic Technology Co.,Ltd. Country or region after: China Address before: 213000 gounan industrial concentration area, HUTANG Town, Wujin District, Changzhou City, Jiangsu Province (No. 256, Mingxin Middle Road) Patentee before: CHANGZHOU AMT Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |