CN205915614U - Earphone tail shelves injection mold - Google Patents
Earphone tail shelves injection mold Download PDFInfo
- Publication number
- CN205915614U CN205915614U CN201620966194.5U CN201620966194U CN205915614U CN 205915614 U CN205915614 U CN 205915614U CN 201620966194 U CN201620966194 U CN 201620966194U CN 205915614 U CN205915614 U CN 205915614U
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- mould
- lower mould
- tail shelves
- earphone
- 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.)
- Expired - Fee Related
Links
- 238000002347 injection Methods 0.000 title claims abstract description 47
- 239000007924 injection Substances 0.000 title claims abstract description 47
- 238000001746 injection moulding Methods 0.000 claims description 18
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 abstract 3
- 239000004033 plastic Substances 0.000 abstract 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 5
- 238000012797 qualification Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an earphone tail shelves injection mold, correspond the last mould that sets up including the lower mould and with the lower mould, trap tube seat and the last set tube seat that have the longitudinal symmetry setting on lower mould and one side that last mould was laminated mutually respectively, the cover tube seat looks lock of going up of trapping the tube seat and corresponding constitutes the cover tube hole unanimous with earphone sleeve pipe shape, the cover still has on the tube hole and waits the consistent tail shelves of tail shelves shape of moulding plastics chamber, its characterized in that includes still that detachable installs sleeve pipe positioning seat between lower mould and the last mould, have on the sleeve pipe positioning seat and overlap the intraductal consistent contact pin of heart yearn diameter, the sleeve pipe positioning seat is fixed in the time of between lower mould and the last mould, the contact pin with the cover tube hole sets up with one heart, and runs through the tail shelves chamber of moulding plastics. The utility model has the advantages of can carry out the tail shelves to the earphone sleeve pipe moulds plastics to prevent that set pipe orifice is out of shape, simple structure, convenient operation is favorable to improving work efficiency.
Description
Technical field
This utility model is related to earphone production technical field, in particular to a kind of earphone tail shelves injection mold.
Background technology
In recent years, with the development of smart mobile phone, the screen of mobile phone is increasing, and the tonequality of mobile phone is also become better and better, and makes
Obtain increasing people to select using smart mobile phone viewing movie and video programs or appreciate song, earphone just becomes the indispensable companion that goes on a journey
Companion.After viewing movie and video programs or appreciation song, smart mobile phone is mainly used in conversing, and can normally answer for convenience of people
Phone, common handset earphone line is additionally provided with a mike and answers switch.The mike of earphone and answer switch
Integrated one end of circuit board and earphone cord are welded and fixed on circuit boards, meanwhile, are provided with microphone case outside circuit board.For
Avoid the earphone cord on circuit board to pull, it usually needs to be molded tail shelves on the earphone cord at circuit board two ends, tail shelves have
There is the groove being available for microphone case snapping.So, the two ends of microphone case snap onto on the earphone cord tail shelves of two ends respectively,
So that the power of pullling acting on earphone cord is finally applied on microphone case, it is to avoid the earphone cord on circuit board is pulled off,
Thus improving the service life of earphone.
Existing earphone cord when producing, typically first injection plug part, then earphone heart yearn is divided into left and right two-way, then
Sleeve pipe on heart yearn, and sleeve pipe and earphone main line part are carried out injection fixation；The other end note of a last sleeve pipe wherein
Mould tail shelves.Need during the injection of tail shelves first to determine the position of tail shelves injection with measurer, be then molded again, due to sleeve pipe generally
Constant linear of diameter, sleeve pipe can be moved in injection mold so that the position of tail shelves injection is susceptible to deviation, finally
Cause earphone cord length violation close dimensional requirement and whole piece earphone is scrapped.For this reason, inventor considers first to be molded on sleeve pipe tail
Then the sleeve pipe other end is carried out being cropped to specific length by shelves, then sleeve-penetrating and noted sleeve pipe with earphone main line part
Mould fixation.So, injection-moulding position need not be considered during the injection of tail shelves, reduce the work difficulty of tail shelves injection, can conveniently control ear
The length of machine line, improves the qualification rate of earphone.But, when first sleeve pipe is entered with the injection of end of line shelves, how to ensure the endoporus of sleeve pipe not
Deform, being easy to heart yearn poling becomes problem demanding prompt solution.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: how to provide a kind of energy
Enough tail shelves injection is carried out to earphone sleeve pipe, and prevent casing tube internal hole deformation, simple, the easy to operate earphone tail shelves injection mould of structure
Tool.
In order to solve above-mentioned technical problem, this utility model employs following technical scheme:
A kind of earphone tail shelves injection mold, the upper mould be correspondingly arranged including lower mould and with lower mould, described lower mould and upper mould
Trap tube seat and the upper bushing slot of setting symmetrical above and below be respectively provided with the side fitting, described trap tube seat and corresponding on
Bushing slot is interlocked and constitutes the collar aperture consistent with earphone sleeve-shaped；Also have on described sleeve pipe hole and tail shelves shape to be molded
The consistent tail shelves injection molding cavity of shape, described tail shelves injection molding cavity includes the lower impressions trapped on tube seat positioned at lower mould, and is located at upper
Upper impression on the upper bushing slot of mould；It is characterized in that, also include the set being detachably arranged between described lower mould and upper mould
Pipe positioning seat, described sleeve pipe positioning seat has the contact pin consistent with the core line diameter in sleeve pipe；Described sleeve pipe positioning seat is solid
When being scheduled between described lower mould and upper mould, described contact pin is arranged concentrically with described sleeve pipe hole, and runs through described tail shelves injection molding cavity.
Using said structure, due to being provided with the contact pin consistent with the core line diameter in sleeve pipe on sleeve pipe positioning seat,
Can be when tail shelves be molded, by contact pin plug-in-sleeve.Simultaneously as contact pin runs through the setting of tail shelves injection molding cavity.So that during injection,
Sleeve pipe will not deform because of injection pressure.Both can guarantee that the quality of injection, the sleeve pipe threading after injection can be made again convenient.
Said structure is simple, easy to operate.
As optimization, the upper surface of described lower mould has a projecting locating dowel, the lower surface of described upper mould have with
The location hole that described locating dowel is correspondingly arranged, the diameter of described location hole is consistent with the diameter of described locating dowel.
Using said structure, between upper die and lower die, setting locating dowel and location hole cooperation, can enable upper impression
Accurately it is fastened in lower impressions, thus forming complete tail shelves injection molding cavity, being conducive to improving the injection quality of tail shelves, improving and produce
The qualification rate of product.
As optimization, the upper surface of described lower mould and the lower surface of upper mould are all rectangular, and described locating dowel is provided with three,
And respectively at wherein three rectangular angular of upper surface of described lower mould；The lower surface of described upper mould is relative with described locating dowel
Position is answered to be provided with described location hole.
Using said structure, because locating dowel is provided with three, and it is located at wherein three rectangular angular of the upper surface of lower mould
Place, rectangular triangular arrangement；As such, it is possible to prevent the fastening direction of upper die and lower die from making a mistake, tail shelves are caused to be molded not
Qualified, be conducive to improving the qualification rate of product.
As optimization, the end of described locating dowel is in pyramid type.As such, it is possible to enable locating dowel quickly with location hole
Match, improve the speed of matched moulds, be conducive to improving injection work efficiency.
As optimization, described sleeve pipe hole has radially been placed equidistant many on the binding face with upper mould for the described lower mould
Individual, and a described tail shelves injection molding cavity is had on each described sleeve pipe hole.
As such, it is possible to once complete the tail shelves injection of multiple earphone cords, be conducive to improving injection work efficiency.
As optimization, described sleeve pipe positioning seat is the overall rectangular block in strip, and it is fixed that described contact pin is located at described sleeve pipe
Position seat on a longer side on, and along this side length direction be placed equidistant multiple；The quantity of described contact pin with
The quantity in described sleeve pipe hole is equal, and the distance of two neighboring described contact pin is equal with the distance in two neighboring described sleeve pipe hole；
It is respectively provided with along the rectangular channel perpendicular to described sleeve pipe hole direction insertion setting on the upper surface of described lower mould and the lower surface of upper mould,
The depth of described rectangular channel is the half of the lateral width that described contact pin is located, and the width of described rectangular channel is positioned with described sleeve pipe
Seat is consistent along the width of contact pin length direction；The rectangle trench bottom of described lower mould also has projecting alignment pin, described set
The pin-and-hole being matched with described alignment pin is had on pipe positioning seat, so that the pin-and-hole of described sleeve pipe positioning seat is enclosed within described alignment pin
When being fixed in the rectangular channel of lower mould, described contact pin can be arranged concentrically with corresponding collar aperture.
In sum, this utility model has and can carry out tail shelves injection to earphone sleeve pipe, and prevents casing tube internal hole from deforming,
Structure is simple, easy to operate, is conducive to the advantages of improve work efficiency.
Brief description
Fig. 1 is the structural representation of this utility model one embodiment.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
When being embodied as: as shown in figure 1, a kind of earphone tail shelves injection mold, including lower mould 1 and corresponding with lower mould 1 set
The upper mould 2 put, the side that described lower mould 1 is fitted with upper mould 2 is respectively provided with trap tube seat and the upper set of setting symmetrical above and below
Tube seat, described tube seat of trapping is interlocked with corresponding upper bushing slot and constitutes the collar aperture consistent with earphone sleeve-shaped；Described set
The tail shelves injection molding cavity consistent with tail shelves shape to be molded also is had on pore, described tail shelves injection molding cavity is included positioned at lower mould 1
The lower impressions trapped on tube seat, and be located at upper mould 2 upper bushing slot on upper impression, the depth of described lower impressions and upper impression
Unanimously；Also include the sleeve pipe positioning seat 3 being detachably arranged between described lower mould 1 and upper mould 2, on described sleeve pipe positioning seat 3
There is the contact pin consistent with the core line diameter in sleeve pipe；Described sleeve pipe positioning seat is fixed between described lower mould 1 and upper mould 2
When, described contact pin is arranged concentrically with described sleeve pipe hole, and runs through described tail shelves injection molding cavity.
Using said structure, due to being provided with the contact pin consistent with the core line diameter in sleeve pipe on sleeve pipe positioning seat,
Can be when tail shelves be molded, by contact pin plug-in-sleeve.Simultaneously as contact pin runs through the setting of tail shelves injection molding cavity.So that during injection,
Sleeve pipe will not deform because of injection pressure.Both can guarantee that the quality of injection, the sleeve pipe threading after injection can be made again convenient.
Said structure is simple, easy to operate.
During enforcement, the upper surface of described lower mould 1 has a projecting locating dowel, the lower surface of described upper mould 2 have with
The location hole that described locating dowel is correspondingly arranged, the diameter of described location hole is consistent with the diameter of described locating dowel.
Using said structure, between upper die and lower die, setting locating dowel and location hole cooperation, can enable upper impression
Accurately it is fastened in lower impressions, thus forming complete tail shelves injection molding cavity, being conducive to improving the injection quality of tail shelves, improving and produce
The qualification rate of product.
During enforcement, the upper surface of described lower mould 1 and the lower surface of upper mould 2 are all rectangular, and described locating dowel is provided with three,
And respectively at wherein three rectangular angular of upper surface of described lower mould 1；The lower surface of described upper mould 2 and described locating dowel phase
Correspondence position is provided with described location hole.
Using said structure, because locating dowel is provided with three, and it is located at wherein three rectangular angular of the upper surface of lower mould
Place, rectangular triangular arrangement；As such, it is possible to prevent the fastening direction of upper die and lower die from making a mistake, tail shelves are caused to be molded not
Qualified, be conducive to improving the qualification rate of product.
During enforcement, the end of described locating dowel is in pyramid type.As such, it is possible to enable locating dowel quickly with location hole phase
Cooperation, improves the speed of matched moulds, is conducive to improving injection work efficiency.
During enforcement, described sleeve pipe hole has radially been placed equidistant many on the binding face of described lower mould 1 and upper mould 2
Individual, and a described tail shelves injection molding cavity is had on each described sleeve pipe hole.
As such, it is possible to once complete the tail shelves injection of multiple earphone cords, be conducive to improving injection work efficiency.
During enforcement, described sleeve pipe positioning seat 3 is the overall rectangular block in strip, and described contact pin is located at described sleeve pipe and positions
Seat 3 on a longer side on, and along this side length direction be placed equidistant multiple；The quantity of described contact pin and institute
The quantity stating collar aperture is equal, and the distance of two neighboring described contact pin is equal with the distance in two neighboring described sleeve pipe hole；Institute
The rectangular channel being respectively provided with along perpendicular to described sleeve pipe hole direction insertion setting is stated on the upper surface of lower mould 1 and the lower surface of upper mould 2,
The depth of described rectangular channel is the half of the lateral width that described contact pin is located, and the width of described rectangular channel is positioned with described sleeve pipe
Seat 3 is consistent along the width of contact pin length direction；The rectangle trench bottom of described lower mould 1 also has projecting alignment pin, described
The pin-and-hole being matched with described alignment pin is had on sleeve pipe positioning seat 3, makes the pin-and-hole of described sleeve pipe positioning seat 3 be enclosed within described positioning
When being fixed on pin in the rectangular channel of lower mould 1, described contact pin can be arranged concentrically with corresponding collar aperture.
During concrete operations, made using following steps:
A, wire rod is carried out cutting according to dimensional requirement, and one end of the wire rod after cutting is welded on headset plug；
B, the headset plug being welded is carried out successively internal model injection and external mold injection；
C, peeled to the one end away from headset plug from the middle part of wire rod, and heart yearn is divided on request two strands；
D, sleeve pipe is sleeved on the contact pin of sleeve pipe positioning seat, then by sleeve pipe positioning seat be fixed on lower mould and upper mould it
Between, make sleeve pipe pass through collar aperture, then will plastify melt injection tail shelves injection molding cavity molding, and after the completion of injection, take out sleeve pipe, and from
The size starting to measure requirement at tail shelves carries out cutting；
E, respectively by two strands of heart yearns from one end threading away from tail shelves, and pass from tail shelves place end；Then to set
Carry out middle button internal model injection and middle button external mold injection successively at decortication in the middle part of pipe and wire rod.
Wherein, when heart yearn being passed through sleeve pipe, also comprise the steps, first with end being carried the iron wire of little crotch from tail shelves
Place end threading, and pass from the other end, then heart yearn is hung on the little crotch of iron wire, then by sleeve pipe to heart yearn side
To movement, finally it is enclosed within heart yearn.
The foregoing is only preferred embodiment of the present utility model, not with this utility model for limit, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., should be included in this utility model
Protection domain within.
Claims (6)
1. a kind of earphone tail shelves injection mold, the upper mould (2) be correspondingly arranged including lower mould (1) and with lower mould (1), described lower mould
(1) trap tube seat and the upper bushing slot of setting symmetrical above and below, described setting of casing are respectively provided with the side fitting with upper mould (2)
Groove is interlocked with corresponding upper bushing slot and constitutes the collar aperture consistent with earphone sleeve-shaped；Also have on described sleeve pipe hole and treat
The consistent tail shelves injection molding cavity of tail shelves shape of injection, described tail shelves injection molding cavity includes trapping on tube seat positioned at lower mould (1)
Lower impressions, and the upper impression on the upper bushing slot of upper mould (2)；It is characterized in that, also include being detachably arranged in described
Sleeve pipe positioning seat (3) between lower mould (1) and upper mould (2), described sleeve pipe positioning seat (3) has and the core line diameter in sleeve pipe
Consistent contact pin；When described sleeve pipe positioning seat is fixed between described lower mould (1) and upper mould (2), described contact pin and described set
Pore is arranged concentrically, and runs through described tail shelves injection molding cavity.
2. earphone tail shelves injection mold as claimed in claim 1 it is characterised in that the upper surface of described lower mould (1) have prominent
Go out the locating dowel of setting, the lower surface of described upper mould (2) has the location hole being correspondingly arranged with described locating dowel, described location hole
Diameter consistent with the diameter of described locating dowel.
3. earphone tail shelves injection mold as claimed in claim 2 is it is characterised in that the upper surface of described lower mould (1) and upper mould
(2) lower surface is all rectangular, and described locating dowel is provided with three, and is located at the upper surface of described lower mould (1) respectively wherein
At three rectangular angular；The lower surface of described upper mould (2) and described locating dowel opposite position are provided with described location hole.
4. earphone tail shelves injection mold as claimed in claim 2 is it is characterised in that the end of described locating dowel is in pyramid type.
5. earphone tail shelves injection mold as claimed in claim 1 it is characterised in that described sleeve pipe hole described lower mould (1) with
Radially it has been placed equidistant multiple on the binding face of upper mould (2), and a described tail has been had on each described sleeve pipe hole
Shelves injection molding cavity.
6. earphone tail shelves injection mold as claimed in claim 5 is it is characterised in that described sleeve pipe positioning seat (3) for overall is in
The rectangular block of strip, described contact pin is located on a longer side on described sleeve pipe positioning seat (3), and along this side
Length direction has been placed equidistant multiple；The quantity of described contact pin is equal with the quantity in described sleeve pipe hole, and two neighboring described slotting
The distance of pin is equal with the distance in two neighboring described sleeve pipe hole；On the lower surface of the upper surface of described lower mould (1) and upper mould (2)
It is respectively provided with along the rectangular channel perpendicular to described sleeve pipe hole direction insertion setting, the depth of described rectangular channel is that described contact pin is located
The half of lateral width, the width of described rectangular channel is consistent along the width of contact pin length direction with described sleeve pipe positioning seat (3)；Institute
The rectangle trench bottom stating lower mould (1) also has projecting alignment pin, and described sleeve pipe positioning seat (3) has and described positioning
Sell the pin-and-hole that matches, make the pin-and-hole of described sleeve pipe positioning seat (3) be enclosed within described alignment pin to be fixed on the rectangular channel of lower mould (1)
When middle, described contact pin can be arranged concentrically with corresponding collar aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620966194.5U CN205915614U (en) | 2016-08-29 | 2016-08-29 | Earphone tail shelves injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620966194.5U CN205915614U (en) | 2016-08-29 | 2016-08-29 | Earphone tail shelves injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205915614U true CN205915614U (en) | 2017-02-01 |
Family
ID=57869472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620966194.5U Expired - Fee Related CN205915614U (en) | 2016-08-29 | 2016-08-29 | Earphone tail shelves injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205915614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108495228A (en) * | 2018-06-21 | 2018-09-04 | 广东朝阳电子科技股份有限公司 | Enhance the earphone wire structure and preparation method thereof of cableties pulling force |
-
2016
- 2016-08-29 CN CN201620966194.5U patent/CN205915614U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108495228A (en) * | 2018-06-21 | 2018-09-04 | 广东朝阳电子科技股份有限公司 | Enhance the earphone wire structure and preparation method thereof of cableties pulling force |
| CN108495228B (en) * | 2018-06-21 | 2024-05-07 | 广东朝阳电子科技股份有限公司 | Earphone wire structure for enhancing wire buckle tension and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |