CN111885480A - Preparation method of voice coil framework for waterproof paper tube loudspeaker - Google Patents
Preparation method of voice coil framework for waterproof paper tube loudspeaker Download PDFInfo
- Publication number
- CN111885480A CN111885480A CN202010703028.7A CN202010703028A CN111885480A CN 111885480 A CN111885480 A CN 111885480A CN 202010703028 A CN202010703028 A CN 202010703028A CN 111885480 A CN111885480 A CN 111885480A
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- CN
- China
- Prior art keywords
- glue
- voice coil
- lock30
- pipe
- thickness
- 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.)
- Pending
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- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000003292 glue Substances 0.000 claims abstract description 61
- 239000000463 material Substances 0.000 claims abstract description 60
- 239000000123 paper Substances 0.000 claims abstract description 17
- 239000002655 kraft paper Substances 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract 2
- 238000005096 rolling process Methods 0.000 claims description 21
- 230000001070 adhesive effect Effects 0.000 claims description 18
- 239000000853 adhesive Substances 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000001235 sensitizing effect Effects 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 238000009785 tube rolling Methods 0.000 description 2
- 239000002313 adhesive film Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/046—Construction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention provides a preparation method of a voice coil framework for a waterproof paper tube loudspeaker, which adopts raw materials such as kraft paper, pressure-sensitive printing CS110 glue, LOCK30 glue, SV-06 glue, SV-02 glue and the like; the two strip materials are adhered into a tubular shape in a spiral transmission mode by a production process combining LOCK30 glue and SV-06 glue and SV-02 glue, so that the tubular material is wider than a sheet material in application, and the prepared material is light in weight.
Description
Technical Field
The invention relates to the technical field of voice coil design, in particular to a preparation method of a voice coil framework for a waterproof paper tube loudspeaker.
Background
With the rapid development of consumer electronics, micro speakers are widely used in electronic devices such as mobile phones and notebook computers. The voice coil framework is one of important components in the loudspeaker, and mainly has the function of pushing the vibrating membrane to reciprocate back and forth under the action of a magnetic field so as to push surrounding air to move and emit sound waves. The voice coil framework has the characteristics of light weight and high specific strength so as to meet the requirements of long service life, easiness in vibration and the like. The material of the existing voice coil framework is usually paper, cloth, polymer or composite material.
The current requirements for the material of the voice coil framework are as follows: the material combination needs to be lighter and lighter, and the specific gravity of the paper material is the lightest among all selected materials, but the defects are that the paper is easy to absorb moisture, is not waterproof, is soft, has poor mechanical strength and is not easy to operate. Therefore, the market needs to develop a novel material to meet the development requirements of electronic products on the premise that the suitability, operability and power tolerance of the material meet the requirements.
Disclosure of Invention
The invention aims to provide a preparation method of a voice coil framework for a waterproof paper tube loudspeaker, which effectively solves the problems.
A preparation method of a voice coil framework for a waterproof paper tube loudspeaker comprises the following steps:
(1) selection of raw materials
Kraft paper, sensitizing printing CS110 glue, LOCK30 glue, SV-06 glue and SV-02 glue.
(2) Bonding raw material
a. A layer of kraft paper material with the thickness of 0.03mm is soaked in the sensitizing printing CS110 glue solution, after the soaking is completed, the kraft paper material is baked for 1 minute by a baking oven with the temperature of 180 ℃, and the kraft paper material can be rolled into a roll after the glue solution is baked.
b. And (b) flatly coating a mixed adhesive of LOCK30 glue and SV-06 glue with the thickness of 0.006mm on one surface of the material soaked with the CS110 glue in the step a, baking for 1 minute in a baking oven at the temperature of 160 ℃, and rolling into a coil after the glue is baked, wherein the material is A material.
c. Coating the mixed adhesive of LOCK30 glue and SV-06 glue with the thickness of 0.010mm on the front and back surfaces of kraft paper with the thickness of 0.03mm, baking for 1 minute in a baking oven with the temperature of 160 ℃, and rolling into a coil after the glue is baked, wherein the material is B material.
(3) Pipe making
a. Dividing the A, B material coated with the glue layer into small rolls with the width of 15mm or 20mm, and then hanging the rolls on a discharge shaft controlled by constant tension, wherein the size of the constant tension is adjusted to 17N.
b. The material A needs to be coated by SV-02 glue once again, the thickness of the glue layer is 0.002-0.004mm, then the material A passes through a constant temperature furnace with the length of 1.2 meters and the temperature of 150 ℃ at the running speed of 0.8 meter per minute to reach a pipe rolling rod, and the material B directly reaches the pipe rolling rod.
c. The two belts are driven by the belt pulley to rotate at a constant speed, force is applied to the tube rolling rod, the two layers of materials cling to the heated tube rolling rod and are spirally rolled out to form a tubular product.
d. After forming, when the set length is reached, the sensing device receives information and informs the controller, and the controller automatically cuts and discharges materials by controlling the cutting device.
The invention further comprises the following steps: the length of the baking oven in the step (2) is 4 meters.
The invention further comprises the following steps: the mixing ratio of the mixed adhesive in the step (2) is that the LOCK30 glue and the SV-07 glue are 3: 7.
The invention further comprises the following steps: and (4) the pipe rolling rod in the step (3) is in a hollow cylindrical shape, a hollow heating wire and heat conducting oil are arranged, the heating wire is electrified to generate heat in the pipe rolling process, and the heat conducting oil conducts the heat to the surface of the pipe rolling rod.
The invention has the beneficial effects
The invention provides a preparation method of a voice coil framework for a waterproof paper tube loudspeaker, which utilizes the waterproof and adhesive effects of a hard adhesive to ensure that a paper material has waterproof property, improves the adhesiveness between two layers of kraft paper and the heat resistance thereof by respectively coating a mixed adhesive of LOCK30 adhesive and SV-06 adhesive and SV-02 adhesive, and simultaneously bonds two strip-shaped materials into a tube by adopting a spiral transmission mode, wherein the tube-shaped materials are relative to sheet-shaped materials, the applied loudspeaker has wider range, and the prepared materials have light weight.
Detailed Description
The technical solution of the present invention will be described in detail by specific examples.
A preparation method of a voice coil framework for a waterproof paper tube loudspeaker comprises the following steps:
(1) selection of raw materials
Kraft paper, an extremely hard CS110 glue for sensitive printing, a LOCK30 glue with extremely strong adhesive force, a thermosetting SV-06 glue and a thermosetting SV-02 glue.
(2) Bonding raw material
a. Soaking a layer of kraft paper material with the thickness of 0.03mm in the sensitizing printing CS110 glue solution, baking for 1 minute by a baking oven with the temperature of 180 ℃ after the kraft paper material is completely soaked, and rolling into a roll after the glue solution is baked;
b. c, flatly coating a mixed adhesive of LOCK30 glue and SV-06 glue with the thickness of 0.006 on one surface of the material soaked with the CS110 glue in the step a, baking for 1 minute by using a baking oven with the temperature of 160 ℃, and rolling into a coil after the glue is baked, wherein the material is A;
c. coating the front and back surfaces of kraft paper with the thickness of 0.03 with mixed adhesive of LOCK30 glue and SV-06 glue with the thickness of 0.010mm, baking for 1 minute by a baking oven with the temperature of 160 ℃, and rolling into rolls after the glue is baked, wherein the material is material B;
(3) pipe making
a. Dividing the A, B material coated with the glue layer into small rolls with the width of 15mm or 20mm, and then hanging the rolls on a discharge shaft controlled by constant tension, wherein the size of the constant tension is adjusted to 17N;
b. the material A needs to be subjected to flat coating of SV-02 glue once, the thickness of the glue layer is 0.002-0.004mm, then the material A passes through a constant temperature furnace with the length of 1.2 meters and the temperature of 150 ℃ at the running speed of 0.8 meter per minute to reach a pipe rolling rod, and the material B directly reaches the pipe rolling rod;
c. the two belts are driven by the belt pulley to rotate at a constant speed, force is applied to the pipe rolling rod, the two layers of materials cling to the heated pipe rolling rod and are spirally rolled out to form a tubular product;
d. after forming, when the set length is reached, the sensing device receives information and informs the controller, and the controller automatically cuts and discharges materials by controlling the cutting device.
Preferably, the length of the oven in step (2) is 4 meters each.
Preferably, the mixing ratio of the mixed adhesive in the step (2) is that of LOCK30 glue to SV-07 glue is 3: 7.
Preferably, the pipe coiling rod in the step (3) is in a hollow cylindrical shape, a hollow heating wire and heat conduction oil are arranged, the heating wire is electrified to generate heat in the pipe coiling process, and the heat conduction oil conducts the heat to the surface of the pipe coiling rod.
Preferably, the adhesive films on the materials A and B are softened, activated and sticky when subjected to high temperature of 130-150 ℃, and are clung together under the action of external force; the two layers have no bubble separation defect, and the temperature resistance is as high as 180 ℃.
Preferably, the invention utilizes the waterproof and adhesive action of the hard adhesive to make the paper material have waterproof property, and simultaneously, the paper material is bonded with the hot-pressing transmission and the constant tension control and the like to form a tube by bonding the two strip-shaped materials in a spiral transmission mode, and the tube-shaped material is wider than the sheet-shaped material and has wider application range of the loudspeaker.
The invention is not limited to the above embodiments, but rather various modifications are possible within the scope of the invention, which is defined by the independent claims.
Claims (4)
1. A preparation method of a voice coil framework for a waterproof paper tube loudspeaker is characterized by comprising the following steps:
(1) selection of raw materials
Kraft paper, sensitizing printing CS110 glue, LOCK30 glue, SV-06 glue and SV-02 glue;
(2) bonding raw material
a. Soaking a layer of kraft paper material with the thickness of 0.03mm in the sensitizing printing CS110 glue solution, baking for 1 minute by a baking oven with the temperature of 180 ℃ after the kraft paper material is completely soaked, and rolling into a roll after the glue solution is baked;
b. c, flatly coating a mixed adhesive of LOCK30 glue and SV-06 glue with the thickness of 0.006mm on one surface of the material soaked with the CS110 glue in the step a, baking for 1 minute in a baking oven at the temperature of 160 ℃, and rolling into a coil after the glue is baked, wherein the material is A;
c. coating the mixed adhesive of LOCK30 glue and SV-06 glue with the thickness of 0.010mm on the front and back surfaces of kraft paper with the thickness of 0.03mm, baking for 1 minute in a baking oven with the temperature of 160 ℃, and rolling into a coil after the glue is baked, wherein the material is material B;
(3) pipe making
a. Dividing the A, B material coated with the glue layer into small rolls with the width of 15mm or 20mm, and then hanging the rolls on a discharge shaft controlled by constant tension, wherein the size of the constant tension is adjusted to 17N;
b. the material A needs to be subjected to flat coating of SV-02 glue once, the thickness of the glue layer is 0.002-0.004mm, then the material A passes through a constant temperature furnace with the length of 1.2 meters and the temperature of 150 ℃ at the running speed of 0.8 meter per minute to reach a pipe rolling rod, and the material B directly reaches the pipe rolling rod;
c. the two belts are driven by the belt pulley to rotate at a constant speed, force is applied to the pipe rolling rod, the two layers of materials cling to the heated pipe rolling rod and are spirally rolled out to form a tubular product;
d. after forming, when the set length is reached, the sensing device receives information and informs the controller, and the controller automatically cuts and discharges materials by controlling the cutting device.
2. The method for preparing a voice coil bobbin for a waterproof paper tube loudspeaker according to claim 1, wherein the length of the oven in the step (2) is 4 meters.
3. The method for preparing a voice coil bobbin for a waterproof paper tube loudspeaker according to claim 1, wherein the mixing ratio of the mixed adhesive in the step (2) is LOCK30 glue to SV-07 glue of 3: 7.
4. The method for manufacturing a voice coil bobbin for a waterproof paper tube speaker according to claim 1,
the pipe coiling rod in the step (3) is in a hollow cylindrical shape, a hollow heating wire and heat conduction oil are arranged, the heating wire is electrified to generate heat in the pipe coiling process, and the heat conduction oil conducts the heat to the surface of the pipe coiling rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010703028.7A CN111885480A (en) | 2020-07-21 | 2020-07-21 | Preparation method of voice coil framework for waterproof paper tube loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010703028.7A CN111885480A (en) | 2020-07-21 | 2020-07-21 | Preparation method of voice coil framework for waterproof paper tube loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111885480A true CN111885480A (en) | 2020-11-03 |
Family
ID=73155024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010703028.7A Pending CN111885480A (en) | 2020-07-21 | 2020-07-21 | Preparation method of voice coil framework for waterproof paper tube loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111885480A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08265896A (en) * | 1995-03-24 | 1996-10-11 | Matsushita Electric Ind Co Ltd | Voice coil bobbin |
| CN201352850Y (en) * | 2008-12-19 | 2009-11-25 | 尼开电机(上海)有限公司 | Practical loudspeaker voice coil |
| CN102595285A (en) * | 2012-02-27 | 2012-07-18 | 惠州市海韵电子有限公司 | Framework of speech coil and preparation method of framework |
| CN203212142U (en) * | 2013-05-11 | 2013-09-25 | 深圳市广南电子有限公司 | Pipe coiling machine with tension control device |
| CN103711410A (en) * | 2013-12-20 | 2014-04-09 | 河南永威安防股份有限公司 | Integrally-formed high-pressure single-sided decorative door panel and manufacturing method thereof |
| CN106003839A (en) * | 2016-05-31 | 2016-10-12 | 江苏骏源新材料有限公司 | Production method for fire-retardant and wear-resistant paper honeycomb cores |
| CN106049168A (en) * | 2016-06-03 | 2016-10-26 | 太尔胶粘剂(广东)有限公司 | Preparation method of fireproof facing paper |
| CN108221492A (en) * | 2017-12-28 | 2018-06-29 | 安徽荣泽科技有限公司 | A kind of environment protecting paper aluminum compound packing material preparation method |
| CN108989970A (en) * | 2018-06-27 | 2018-12-11 | 深圳市广南电子有限公司 | A kind of preparation method of composite heat resistance speech coil framework |
| CN209323891U (en) * | 2018-10-12 | 2019-08-30 | 中山市大自然木业有限公司 | A kind of paper wood composite finish floor |
| CN110670392A (en) * | 2019-10-14 | 2020-01-10 | 宿州速果信息科技有限公司 | Processing technology for producing refractory plate by modified kraft paper |
-
2020
- 2020-07-21 CN CN202010703028.7A patent/CN111885480A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08265896A (en) * | 1995-03-24 | 1996-10-11 | Matsushita Electric Ind Co Ltd | Voice coil bobbin |
| CN201352850Y (en) * | 2008-12-19 | 2009-11-25 | 尼开电机(上海)有限公司 | Practical loudspeaker voice coil |
| CN102595285A (en) * | 2012-02-27 | 2012-07-18 | 惠州市海韵电子有限公司 | Framework of speech coil and preparation method of framework |
| CN203212142U (en) * | 2013-05-11 | 2013-09-25 | 深圳市广南电子有限公司 | Pipe coiling machine with tension control device |
| CN103711410A (en) * | 2013-12-20 | 2014-04-09 | 河南永威安防股份有限公司 | Integrally-formed high-pressure single-sided decorative door panel and manufacturing method thereof |
| CN106003839A (en) * | 2016-05-31 | 2016-10-12 | 江苏骏源新材料有限公司 | Production method for fire-retardant and wear-resistant paper honeycomb cores |
| CN106049168A (en) * | 2016-06-03 | 2016-10-26 | 太尔胶粘剂(广东)有限公司 | Preparation method of fireproof facing paper |
| CN108221492A (en) * | 2017-12-28 | 2018-06-29 | 安徽荣泽科技有限公司 | A kind of environment protecting paper aluminum compound packing material preparation method |
| CN108989970A (en) * | 2018-06-27 | 2018-12-11 | 深圳市广南电子有限公司 | A kind of preparation method of composite heat resistance speech coil framework |
| CN209323891U (en) * | 2018-10-12 | 2019-08-30 | 中山市大自然木业有限公司 | A kind of paper wood composite finish floor |
| CN110670392A (en) * | 2019-10-14 | 2020-01-10 | 宿州速果信息科技有限公司 | Processing technology for producing refractory plate by modified kraft paper |
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