CN108495228B - Earphone wire structure for enhancing wire buckle tension and manufacturing method thereof - Google Patents
Earphone wire structure for enhancing wire buckle tension and manufacturing method thereof Download PDFInfo
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- CN108495228B CN108495228B CN201810643783.3A CN201810643783A CN108495228B CN 108495228 B CN108495228 B CN 108495228B CN 201810643783 A CN201810643783 A CN 201810643783A CN 108495228 B CN108495228 B CN 108495228B
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- knot
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- 230000002708 enhancing effect Effects 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 22
- 238000000576 coating method Methods 0.000 claims abstract description 22
- 238000001746 injection moulding Methods 0.000 claims description 18
- 238000000465 moulding Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1033—Cables or cables storage, e.g. cable reels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1058—Manufacture or assembly
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Headphones And Earphones (AREA)
Abstract
The invention discloses an earphone wire structure for enhancing wire buckle tension and a manufacturing method thereof, comprising TPE wires and PP wire buckles; the TPE wire is provided with a TPE outer cover and a core wire, one end of the TPE wire is exposed with a core wire exposed section, the core wire exposed section is knotted to form at least one core wire knot, the core wire exposed section is provided with an extension section connected with the core wire knot, the core wire knot is positioned between one end of the TPE wire and the extension section, and the cross-sectional area of the core wire knot is larger than that of the extension section; the PP wire buckle is formed and coated outside the TPE coating at one end of the core wire knot and the TPE wire; the PP wire buckle is respectively combined and fixed with the outer side face of the TPE outer cover at one end of the TPE wire, the end face of the TPE outer cover at one end of the TPE wire, the whole outer surface of the core wire knot and the outer side face of a part of the extension section; and, in the length extension direction of the TPE wire, the PP wire buckle is limited by the TPE outer end face of one end of the TPE wire and the whole outer surface of the core wire knot; therefore, the TPE wire rod has better stability, the tension of the TPE wire rod is enhanced, and the service life of the TPE wire rod is prolonged.
Description
Technical Field
The invention relates to the technology in the field of earphone wires, in particular to an earphone wire structure for enhancing wire buckle pulling force and a manufacturing method thereof.
Background
The existing TPE material wire is generally formed into a PP material wire button at a position 50mm away from the wire, then the outer coating of the wire is removed, and then core wire knotting operation is performed. The above method has the following defects: the wire buckle is directly formed, the wire buckle material is adhered to the TPE material wires, and then knotted, so that the tension of the wire buckle is small, and the market demand can not be met.
Accordingly, in the present application, the applicant has studied a structure of earphone wire for enhancing the tension of the wire buckle and a method for manufacturing the same to solve the above problems.
Disclosure of Invention
In view of the above, the present invention aims at overcoming the drawbacks of the prior art, and its primary objective is to provide an earphone wire structure for enhancing the tension of a wire buckle and a manufacturing method thereof, which has better stability, enhances the tension of a TPE wire, and prolongs the service life of the TPE wire.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
An earphone wire structure for enhancing tension of a wire buckle comprises a TPE wire and a PP wire buckle; the TPE wire is provided with a TPE outer cover and a core wire which is coated in the TPE outer cover, one end of the TPE wire is exposed with a core wire exposed section, the core wire exposed section is knotted to form at least one core wire knot, the core wire exposed section is provided with an extension section connected with the core wire knot, the core wire knot is positioned between one end of the TPE wire and the extension section, and the cross-sectional area of the core wire knot is larger than that of the extension section;
The PP wire buckle is formed and coated on the outer part of the TPE outer coating of one end of the core wire knot and one end of the TPE wire; the PP wire buckle is respectively combined and fixed with the outer side face of the TPE coating at one end of the TPE wire, the end face of the TPE coating at one end of the TPE wire, the whole outer surface of the core wire knot and the outer side face of a part of the extension section; and, in the length extension direction of the TPE wire, the PP thread is limited by the end face of the TPE coating at one end of the aforementioned TPE wire and the entire outer surface of the core thread knot.
As a preferable scheme, a positioning groove and/or a positioning convex part are formed on the outer surface of the PP thread buckle, an auxiliary buckle is secondarily formed outside the PP thread buckle, and the auxiliary buckle is positioned outside the positioning groove and/or the positioning convex part in a coating manner so as to form the combination fixation of the auxiliary buckle and the PP thread buckle; and the auxiliary buckle is combined and fixed with the outer side surface of the TPE outer cover of the TPE wire rod.
A manufacturing method of an earphone wire structure for enhancing wire buckle pulling force comprises the following steps:
(1) The preparation steps are as follows: firstly, preparing TPE wires and an injection molding die;
the TPE wire is provided with a TPE outer coating and a core wire which is coated in the TPE outer coating; peeling one end of the TPE wire so that a core wire exposed section is exposed at one end of the TPE wire, knotting the core wire exposed section to form at least one core wire knot, wherein the core wire exposed section is provided with an extension section connected with the core wire knot, and the core wire knot is positioned between one end of the TPE wire and the extension section;
The inside of the injection molding mold is provided with a TPE wire placing and positioning groove, a core wire placing and positioning groove and a PP wire buckle cavity, the transverse width of the TPE wire placing and positioning groove is larger than the groove width of the core wire placing and positioning groove, and the TPE wire placing and positioning groove and the core wire placing and positioning groove are respectively communicated with two ends of the PP wire buckle cavity;
(2) Paying-off: putting the prepared TPE wire into an injection molding die; the TPE wires are positioned in the corresponding TPE wire placing and positioning grooves, one end of each TPE wire, each core wire knot and part of the extending section are positioned in the PP wire buckle cavity, and the extending section of the exposed section of each core wire penetrates through the PP wire buckle cavity and is positioned in each core wire placing and positioning groove;
(3) And (3) forming: and filling PP material into the PP thread button cavity through injection molding to form the PP thread button.
As a preferable scheme, the injection molding die comprises an upper die and a lower die, wherein the lower die is provided with a first insert, a second insert and a lower molding cavity, the TPE wire placing and positioning groove is arranged on the first insert, the core wire placing and positioning groove is arranged on the second insert, and the PP wire buckle cavity is arranged between the first insert and the second insert;
the upper die is provided with an upper forming cavity, and when the upper die and the lower die are mutually buckled, the upper forming cavity and the lower forming cavity form the PP thread buckle cavity.
As a preferable scheme, the lower die is concavely provided with a first insert mounting groove, the first insert mounting groove extends along the length direction of the lower die and penetrates through the left end face and the right end face of the lower die, the first insert is arranged in the first insert mounting groove, and the left end and the right end of the first insert extend out of the left end and the right end of the lower die.
As a preferable scheme, the front side of the first insert is concavely provided with a main runner, the main runner extends upwards to form an inflow port and an outflow port respectively, the lower die is provided with an inflow port and a diversion runner, the inflow port is communicated with the main runner through the inflow port, and the main runner is communicated with the lower diversion runner through the outflow port.
Compared with the prior art, the invention has obvious advantages and beneficial effects, in particular:
The method is characterized in that the core wire is knotted and then is molded with the TPE coating to form the PP wire buckle, so that the tension of the TPE wire is enhanced, and the service life of the TPE wire is prolonged;
Secondly, an auxiliary buckle is secondarily formed outside the PP wire buckle, so that the reliability and the stability are better, and the tension of the TPE wire is further enhanced;
Finally, the left end and the right end of the first insert of the injection molding die extend out of the lower die, so that the convenience of die taking is improved, and a main runner is arranged on the first insert, so that the whole structure of the lower die is compact, the occupied space is reduced, and redundant waste materials can be cleaned in time after molding.
In order to more clearly illustrate the structural features and efficacy of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of an earphone wire structure according to an embodiment of the present invention;
Fig. 2 is an exploded view of an earphone wire structure according to an embodiment of the present invention;
Fig. 3 is a schematic cross-sectional view of an earphone wire structure according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a three-dimensional assembly structure of an injection mold according to an embodiment of the present invention;
Fig. 5 is a schematic view of a partial structure of an injection molding die (schematic earphone wire) according to an embodiment of the present invention;
Fig. 6 is a schematic view of a first insert structure of an injection mold according to an embodiment of the present invention.
The attached drawings are used for identifying and describing:
10. TPE wire 11, TPE coating
12. Core wire 121 and core wire knot
122. Extension section 20, PP wire buckle
201. Positioning groove 202 and positioning convex part
21. Auxiliary buckle 31, upper die
311. First insert 312, second insert
313. TPE wire rod placing and positioning groove 314 and main runner
315. The core wire is placed in the positioning groove 32 and the lower die.
Detailed Description
Referring to fig. 1 to 6, which show specific structures of an embodiment of the present invention, an earphone wire structure for enhancing a wire buckle tension includes a TPE wire 10 and a PP wire buckle 20, wherein:
Comprises TPE wires 10 and PP buttons 20; the TPE wire 10 has a TPE outer cover 11 and a core wire 12 wrapped in the TPE outer cover 11, one end of the TPE wire 10 is exposed with a core wire exposed section, the core wire exposed section is knotted to form at least one core wire knot 121, the core wire exposed section has an extension section 122 connected with the core wire knot 121, the core wire knot 121 is located between one end of the TPE wire 10 and the extension section 122, and the cross-sectional area of the core wire knot 121 is larger than that of the extension section 122;
The PP thread button 20 is formed and coated on the outside of the TPE coating 11 at one end of the core wire knot 121 and the TPE thread 10; the PP thread button 20 is respectively combined and fixed with the outer side surface of the TPE coating 11 at one end of the TPE wire 10, the end surface of the TPE coating 11 at one end of the TPE wire 10, the whole outer surface of the core thread knot 121, and the outer side surface of the partial extension 122; and, the PP thread 20 is limited to the end surface of the TPE cover 11 at one end of the TPE wire 10 and the entire outer surface of the core knot 121 in the length extension direction of the TPE wire 10.
In this embodiment, a positioning groove 201 and/or a positioning protrusion 202 are formed on the outer surface of the PP thread clamp 20, an auxiliary clamp 21 is secondarily formed on the outer portion of the PP thread clamp 20, and the auxiliary clamp 21 is positioned outside the positioning groove 201 and/or the positioning protrusion 202 in a coating manner so as to form a combined fixation of the auxiliary clamp 21 and the PP thread clamp 20; and the auxiliary buckle 21 is combined and fixed with the outer side surface of the TPE outer cover 11 of the TPE wire 10.
A manufacturing method of an earphone wire structure for enhancing wire buckle pulling force comprises the following steps:
(1) The preparation steps are as follows: firstly, preparing TPE wires 10 and an injection molding die;
the TPE wire 10 is provided with a TPE outer cover 11 and a core wire 12 which is coated in the TPE outer cover 11; peeling one end of the TPE wire 10 to expose a core exposed section of the TPE wire 10, knotting the core exposed section to form at least one core knot 121, wherein the core exposed section has an extension section 122 connected with the core knot 121, and the core knot 121 is located between one end of the TPE wire 10 and the extension section 122;
The inside of the injection molding mold is provided with a TPE wire placing and positioning groove 313, a core wire placing and positioning groove 315 and a PP wire buckle cavity, the transverse width of the TPE wire placing and positioning groove 313 is larger than the groove width of the core wire placing and positioning groove 315, and the TPE wire placing and positioning groove 313 and the core wire placing and positioning groove 315 are respectively communicated with two ends of the PP wire buckle cavity;
(2) Paying-off: placing the prepared TPE wire 10 into an injection molding mold; the TPE wire 10 is positioned in the corresponding TPE wire placement location groove 313, one end of the TPE wire 10, the core wire knot 121 and part of the extension 122 are all located in the PP wire button cavity, and the extension 122 of the exposed core wire is positioned in the core wire placement location groove 315 through the PP wire button cavity;
(3) And (3) forming: the PP thread-clasp cavity is filled with PP material by injection molding to form the PP thread-clasp 20.
In this embodiment, the injection molding mold includes an upper mold 31 and a lower mold 32, the lower mold 32 is provided with a first insert 311, a second insert 312 and a lower molding cavity, and the TPE wire positioning groove 313 is provided on the first insert 311. Preferably, a main runner 314 is concavely provided on the front side of the first insert 311, the main runner 314 is upwardly extended to form an inflow port and an outflow port, the lower mold 32 is provided with an inflow port and a split runner, the inflow port is communicated with the main runner 314 through the inflow port, and the main runner 314 is communicated with the lower split runner through the outflow port.
The core wire placing and positioning groove 315 is arranged on the second insert 312, and the PP wire buckle cavity is arranged between the first insert 311 and the second insert 312; the upper die 31 is provided with an upper molding cavity and a runner, the runner penetrates through the upper end surface and the lower end surface of the upper die 31 and is buckled with the lower die 32 as the upper die 31 and the lower die 32, the upper molding cavity and the lower molding cavity form the PP wire buckle cavity, and the lower end of the runner is opposite to the runner.
In this embodiment, the lower die 32 is concavely provided with a first insert mounting groove, the first insert mounting groove extends along the length direction of the lower die 32 and penetrates through the left and right end surfaces of the lower die 32, the first insert 311 is mounted in the first insert mounting groove, the left and right ends of the first insert 311 extend out of the left and right ends of the lower die 32, and the main runner 314 is hidden in the first insert mounting groove.
The design key point of the invention is that the core wire is knotted and then the core wire and the TPE coating are molded into the PP wire buckle together, so that the tension of the TPE wire is enhanced and the service life of the TPE wire is prolonged;
Secondly, an auxiliary buckle is secondarily formed outside the PP wire buckle, so that the reliability and the stability are better, and the tension of the TPE wire is further enhanced;
Finally, the left end and the right end of the first insert of the injection molding die extend out of the lower die, so that the convenience of die taking is improved, and a main runner is arranged on the first insert, so that the whole structure of the lower die is compact, the occupied space is reduced, and redundant waste materials can be cleaned in time after molding.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention are still within the scope of the technical solutions of the present invention.
Claims (4)
1. A manufacturing method of an earphone wire structure for enhancing wire buckle pulling force is characterized by comprising the following steps: the earphone wire structure for enhancing the tension of the wire buckle comprises TPE wires and PP wire buckles; the TPE wire is provided with a TPE outer cover and a core wire which is coated in the TPE outer cover, one end of the TPE wire is exposed with a core wire exposed section, the core wire exposed section is knotted to form at least one core wire knot, the core wire exposed section is provided with an extension section connected with the core wire knot, the core wire knot is positioned between one end of the TPE wire and the extension section, and the cross-sectional area of the core wire knot is larger than that of the extension section;
The PP wire buckle is formed and coated on the outer part of the TPE outer coating of one end of the core wire knot and one end of the TPE wire; the PP wire buckle is respectively combined and fixed with the outer side face of the TPE coating at one end of the TPE wire, the end face of the TPE coating at one end of the TPE wire, the whole outer surface of the core wire knot and the outer side face of a part of the extension section; and, in the length extension direction of the TPE wire, the PP wire buckle is limited by the end face of the TPE coating at one end of the TPE wire and the entire outer surface of the core wire knot;
the outer surface of the PP line buckle is provided with a positioning groove and/or a positioning convex part, an auxiliary buckle is secondarily formed outside the PP line buckle, and the auxiliary buckle is coated and positioned outside the positioning groove and/or the positioning convex part to form the combination fixation of the auxiliary buckle and the PP line buckle; the auxiliary buckle is combined and fixed with the outer side face of the TPE outer cover of the TPE wire rod;
the manufacturing method comprises the following steps:
(1) The preparation steps are as follows: firstly, preparing TPE wires and an injection molding die;
the TPE wire is provided with a TPE outer coating and a core wire which is coated in the TPE outer coating; peeling one end of the TPE wire so that a core wire exposed section is exposed at one end of the TPE wire, knotting the core wire exposed section to form at least one core wire knot, wherein the core wire exposed section is provided with an extension section connected with the core wire knot, and the core wire knot is positioned between one end of the TPE wire and the extension section;
The inside of the injection molding mold is provided with a TPE wire placing and positioning groove, a core wire placing and positioning groove and a PP wire buckle cavity, the transverse width of the TPE wire placing and positioning groove is larger than the groove width of the core wire placing and positioning groove, and the TPE wire placing and positioning groove and the core wire placing and positioning groove are respectively communicated with two ends of the PP wire buckle cavity;
(2) Paying-off: putting the prepared TPE wire into an injection molding die; the TPE wires are positioned in the corresponding TPE wire placing and positioning grooves, one end of each TPE wire, each core wire knot and part of the extending section are positioned in the PP wire buckle cavity, and the extending section of the exposed section of each core wire penetrates through the PP wire buckle cavity and is positioned in each core wire placing and positioning groove;
(3) And (3) forming: and filling PP material into the PP thread button cavity through injection molding to form the PP thread button.
2. The method for manufacturing the earphone wire structure for enhancing the tension of the wire buckle according to claim 1, wherein: the injection molding die comprises an upper die and a lower die, a first insert, a second insert and a lower molding cavity are arranged on the lower die, the TPE wire placing and positioning groove is formed in the first insert, the core wire placing and positioning groove is formed in the second insert, and the PP wire buckle cavity is formed between the first insert and the second insert;
the upper die is provided with an upper forming cavity, and when the upper die and the lower die are mutually buckled, the upper forming cavity and the lower forming cavity form the PP thread buckle cavity.
3. The method for manufacturing the earphone wire structure for enhancing the tension of the wire buckle according to claim 2, wherein: the lower die is concavely provided with a first insert mounting groove, the first insert mounting groove extends along the length direction of the lower die and penetrates through the left end face and the right end face of the lower die, the first insert is arranged in the first insert mounting groove, and the left end and the right end of the first insert extend out of the left end and the right end of the lower die.
4. The method for manufacturing the earphone wire structure for enhancing the tension of the wire buckle according to claim 2, wherein: the front side of the first insert is concavely provided with a main runner, the main runner extends upwards to form an inflow port and an outflow port respectively, the lower die is provided with an inflow port and a diversion runner, the inflow port is communicated with the main runner through the inflow port, and the main runner is communicated with the lower diversion runner through the outflow port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810643783.3A CN108495228B (en) | 2018-06-21 | 2018-06-21 | Earphone wire structure for enhancing wire buckle tension and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810643783.3A CN108495228B (en) | 2018-06-21 | 2018-06-21 | Earphone wire structure for enhancing wire buckle tension and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN108495228A CN108495228A (en) | 2018-09-04 |
| CN108495228B true CN108495228B (en) | 2024-05-07 |
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| CN201810643783.3A Active CN108495228B (en) | 2018-06-21 | 2018-06-21 | Earphone wire structure for enhancing wire buckle tension and manufacturing method thereof |
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