CN212259303U - Combined die for earphone charging box - Google Patents
Combined die for earphone charging box Download PDFInfo
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- CN212259303U CN212259303U CN202021159324.7U CN202021159324U CN212259303U CN 212259303 U CN212259303 U CN 212259303U CN 202021159324 U CN202021159324 U CN 202021159324U CN 212259303 U CN212259303 U CN 212259303U
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- profiling jig
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 30
- 238000010030 laminating Methods 0.000 abstract 1
- 238000005498 polishing Methods 0.000 description 13
- 238000001746 injection moulding Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The application provides an assembling die for earphone charging box, include mould benevolence and fix mould benevolence profile modeling tool on the surface, the surface of mould benevolence has the first die cavity that is used for forming the mesochite of earphone charging box, the opening part of the first die cavity of mould benevolence has first outer peripheral edge, the surface of profile modeling tool runs through and is provided with the second die cavity, the second die cavity orientation of profile modeling tool the one end opening part of mould benevolence has the second outer peripheral edge, the first outer peripheral edge of mould benevolence with the second outer peripheral edge of profile modeling tool coincides each other. This application makes the first outer periphery of the first die cavity of mould benevolence and the second outer periphery of the second die cavity of profile modeling tool coincide each other through with profile modeling tool fixed mounting and laminating on the surface of mould benevolence. The second outer periphery of the second cavity of the profiling jig can effectively protect the first outer periphery of the first cavity of the mold core, and the first outer periphery of the first cavity of the mold core is prevented from being excessively polished to form a fillet.
Description
Technical Field
The application belongs to the technical field of mold design and manufacturing, and particularly relates to a combined mold for an earphone charging box.
Background
The structure of earphone box that charges includes drain pan, mesochite and upper cover, has the cavity that is used for holding the earphone on the mesochite, mesochite fixed mounting is on the drain pan, and the upper cover then articulates on mesochite or drain pan, and the earphone of accomodating on the mesochite forms the lid to close. The bottom shell, the middle shell and the upper cover of the earphone are generally formed by injection molding through corresponding molds, and in order to enable the bottom shell, the middle shell and the upper cover of the earphone charging box to have corresponding round corners and sharp corners after the injection molding, the mold of the earphone charging box should also have corresponding round corners and sharp corners. For example, for the middle shell of the earphone, the edge of the middle shell needs to have a sharp corner after injection molding, so that the middle shell is mounted on the bottom shell and has better structural sealing performance; accordingly, in the corresponding mold structure, the structure of the mold for forming the edge of the middle shell is also required to have a favorable angle accordingly. In the prior art, the mold generally adopts manual grinding and polishing to form a fillet and a sharp corner of the mold, and the manual grinding and polishing easily causes excessive grinding and polishing of the mold, so that the fillet appears at the position of the mold with the sharp corner, thereby affecting the appearance quality of a product after injection molding.
Disclosure of Invention
An object of the embodiment of this application is to provide a assembling die for earphone box that charges to carry out manual burnishing and polishing to the mould among the solution prior art and cause the excessive technical problem of mould burnishing and polishing easily.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: the utility model provides an assembling die for earphone box that charges, includes mould benevolence and fixes mould benevolence profile modeling tool on the surface, the surface of mould benevolence has the first die cavity that is used for forming the mesochite of earphone box that charges, the opening part of the first die cavity of mould benevolence has first outer peripheral edge, the surface of profile modeling tool runs through and is provided with the second die cavity, the second die cavity orientation of profile modeling tool the one end opening part of mould benevolence has second outer peripheral edge, the first outer peripheral edge of mould benevolence with the second outer peripheral edge of profile modeling tool coincides each other.
Optionally, a positioning boss is arranged on the side wall of the second cavity of the profiling jig, a protrusion is arranged on the side wall of the first cavity of the mold core, and a positioning groove for the positioning boss to be embedded into is formed in the protrusion.
Optionally, the positioning boss of the profiling jig extends out of the second outer periphery of the second cavity of the profiling jig by 1mm to 2 mm.
Optionally, the surface of the mold core and the surface of the profiling jig are both provided with threaded holes, and the threaded holes of the mold core and the threaded holes of the profiling jig are in threaded fit with threaded connecting pieces.
Optionally, the surface of the mold core and the surface of the profiling jig are both provided with positioning holes, and the positioning holes of the mold core and the positioning holes of the profiling jig are matched with positioning pins in an inserting manner.
Optionally, the surface of the mold core is provided with a positioning hole, and the surface of the profiling jig is provided with a positioning pin which is in splicing fit with the positioning hole of the mold core.
Optionally, a size of an opening of the second cavity at one end away from the mold core is larger than a size of an opening of the second cavity at one end facing the mold core.
Optionally, the first cavity of the mold core and the second cavity of the profiling jig are both provided with two cavities.
Optionally, the profile modeling tool sets up to square, the screw hole on profile modeling tool's surface is provided with six, wherein four of profile modeling tool the screw hole sets up respectively four angles departments on profile modeling tool's surface, two other screw holes of profile modeling tool set up two of profile modeling tool between the second die cavity.
Optionally, the surface of the mold core is provided with a weight reduction groove.
The embodiment of the application has at least the following beneficial effects that the profiling jig is fixedly installed and attached to the surface of the mold core, so that the first outer peripheral edge of the first cavity of the mold core and the second outer peripheral edge of the second cavity of the profiling jig are overlapped with each other. In the process of polishing the first cavity of the mold core, the second outer periphery of the second cavity of the profiling jig can effectively protect the first outer periphery of the first cavity of the mold core, and the first outer periphery of the first cavity of the mold core is prevented from being excessively polished to form a fillet.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is an assembly schematic of an embodiment of the present application;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic cross-sectional view of an embodiment of the present application;
fig. 5 is an enlarged view at B in fig. 4.
Wherein, each mark in the figure is:
1. a mold core; 11. a first cavity; 12. a first outer peripheral edge; 13. a protrusion; 14. a positioning groove; 15. a weight reduction groove; 2. profiling fixtures; 21. a second cavity; 22. a second outer peripheral edge; 23. positioning the boss; 3. a threaded hole; 4. a threaded connection; 5. positioning holes; 6. and positioning the pin.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and operate, and thus are not to be construed as limiting the patent, and the specific meanings of the above terms will be understood by those skilled in the art according to specific situations. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
Referring to fig. 1 to 5, the present application provides a combination mold for an earphone charging box, including a mold core 1 and a profiling fixture 2 fixed on a surface of the mold core 1, the surface of the mold core 1 has a first cavity 11 for forming a middle shell of the earphone charging box, and an opening of the first cavity 11 of the mold core 1 has a first outer peripheral edge 12. The surface of the profiling fixture 2 is provided with a second cavity 21 in a penetrating manner, the second cavity 21 of the profiling fixture 2 is provided with a second outer peripheral edge 22 facing to an opening at one end of the mold core 1, and when the profiling fixture 2 is fixed on the surface of the mold core 1, the first outer peripheral edge 12 of the mold core 1 and the second outer peripheral edge 22 of the profiling fixture 2 are overlapped with each other.
In the embodiment of the application, the profiling jig 2 having the second cavity 21 is designed, and the profiling jig 2 is fixedly mounted and attached to the surface of the mold core 1, so that the first outer peripheral edge 12 of the first cavity 11 of the mold core 1 and the second outer peripheral edge 22 of the second cavity 21 of the profiling jig 2 are overlapped with each other. In the process of polishing the first cavity 11 of the mold core 1, the second outer periphery 22 of the second cavity 21 of the profiling jig 2 can effectively protect the due shape of the first outer periphery 12 of the first cavity 11 of the mold core 1, and the first outer periphery 12 of the first cavity 11 of the mold core 1 is prevented from being excessively polished to form a fillet, so that the fillet formed by the periphery of the middle shell of the earphone charging box after injection molding is prevented. In addition, in the injection molding production process of the mold insert 1, the first outer peripheral edge 12 of the first cavity 11 of the mold insert 1 can be protected by the profiling jig 2 repeatedly for the damaged or worn first cavity 11 of the mold insert 1, so that the maintenance of the mold insert 1 is effectively guaranteed.
In one embodiment, the side wall of the second cavity 21 of the profiling jig 2 is provided with a positioning boss 23, the side wall of the first cavity 11 of the mold core 1 is provided with a protrusion 13, the protrusion 13 is used for forming a strip-shaped groove at the edge of the middle shell during injection molding, the strip-shaped groove at the edge of the middle shell is used for installing a pivot, so that an upper cover of the earphone charging box can be hinged on the middle shell, and the protrusion 13 is provided with a positioning groove 14 for the positioning boss 23 to be embedded in. When the profiling jig 2 is fixed on the surface of the mold core 1, the positioning accuracy between the first cavity 11 and the second cavity 21 can be improved by the structural design that the positioning boss 23 of the profiling jig 2 is embedded into the positioning groove 14 of the mold core 1, and the first outer peripheral edge 12 of the mold core 1 and the second outer peripheral edge 22 of the profiling jig 2 can be completely overlapped.
In one embodiment, the positioning boss 23 of the profiling jig 2 extends out of the second outer peripheral edge 22 of the second cavity 21 of the profiling jig 2 by a distance of 1mm to 2mm (i.e. the dimension of a shown in fig. 5 is 1mm to 2 mm). The distance that the positioning boss 23 extends out of the second outer periphery 22 of the second cavity 21 of the profiling jig 2 can be understood as the length that the positioning boss 23 extends outwards, the length that the positioning boss 23 extends outwards is not too long, and 1mm to 2mm is the best, so as to avoid a polishing tool, so that the polishing tool can easily enter the first cavity 11 of the mold core 1, and the polishing effect of the first cavity 11 of the mold core 1 is improved.
In one embodiment, the surface of the mold core 1 and the surface of the profiling fixture 2 are both provided with threaded holes 3, and the threaded holes 3 of the mold core 1 and the threaded holes 3 of the profiling fixture 2 are in threaded fit with threaded connecting pieces 4. The screw thread 4 is inserted in the screw hole 3 of the copying jig 2 and the screw hole 3 of the mould core 1 in turn, so that the copying jig 2 is fixedly arranged on the surface of the mould core 1, and the structure is simple and the dismounting is convenient.
In one embodiment, the surface of the mold core 1 and the surface of the profiling fixture 2 are both provided with positioning holes 5, and the positioning holes 5 of the mold core 1 and the positioning holes 5 of the profiling fixture 2 are inserted and matched with positioning pins 6. When the profiling jig 2 is installed, the positioning pin 6 is inserted into the positioning hole 5 of the mold core 1, then the profiling jig 2 is placed on the surface of the mold core 1, the positioning hole 5 of the profiling jig 2 is sleeved on the positioning pin 6, the positioning precision between the mold core 1 and the profiling precision can be improved, the threaded connecting piece 4 can be ensured to be smoothly screwed into the threaded hole 3 of the profiling jig 2 and the threaded hole 3 of the mold core 1 when the threaded connecting piece 4 is installed, the positioning of the profiling jig 2 is more accurate, and the installation is more convenient.
In one embodiment, the surface of the mold core 1 is provided with a positioning hole 5, and the surface of the profiling jig 2 is provided with a positioning pin 6 inserted into and matched with the positioning hole 5 of the mold core 1. When the profiling jig 2 is installed, the positioning pins 6 on the surface of the profiling jig 2 are directly aligned to the positioning holes 5 on the surface of the mold core 1, and the positioning pins 6 of the profiling jig 2 are inserted into the positioning holes 5 of the mold core 1, so that the positioning accuracy between the mold core 1 and the profiling accuracy is improved, and the threaded connecting piece 4 can be ensured to be smoothly screwed into the threaded hole 3 of the profiling jig 2 and the threaded hole 3 of the mold core 1 in sequence when the threaded connecting piece 4 is installed, so that the profiling jig 2 is more accurately positioned and more convenient to install.
In one embodiment, the size of the opening of the second cavity 21 at the end away from the mold core 1 is larger than the size of the opening of the second cavity 21 at the end towards the mold core 1. That is, the opening of the second cavity 21 away from the mold core 1 is larger than the opening of the second cavity toward the mold core 1, so that the second cavity 21 is substantially trumpet-shaped, and a polishing tool can smoothly pass through the second cavity 21 and polish the first cavity 11, especially the sidewall of the first cavity 11.
In one embodiment, two first cavities 11 of the mold core 1 and two second cavities 21 of the profiling jig 2 are provided, that is, a middle shell of two earphone charging boxes can be arranged on one mold core 1, and one profiling jig 2 can also always polish and polish two first cavities 11 on one mold core 1, so that the utilization rate of the mold core 1 and the profiling jig 2 is improved.
In one embodiment, the profiling jig 2 is square, six threaded holes 3 are formed in the surface of the profiling jig 2, four threaded holes 3 of the profiling jig 2 are respectively formed in four corners of the surface of the profiling jig 2, and the other two threaded holes 3 of the profiling jig 2 are formed between two second cavities 21 of the profiling jig 2. The four threaded holes 3 at the four corners of the surface of the profiling jig 2 are respectively arranged, so that the profiling jig 2 and the die core 1 can be fixedly connected with each other to have high connection strength and are not easy to loosen; the two threaded holes 3 arranged between the two second cavities 21 of the profiling jig 2 can ensure that the middle part of the surface of the profiling jig 2 and the middle part of the surface of the die core 1 are also tightly attached. The position distribution of six screw holes 3 makes the surface of profiling jig 2 closely laminate with the surface of mould benevolence 1 after profiling jig 2 fixes on the surface of mould benevolence 1, ensures that first outer peripheral edge 12 of mould benevolence 1 and the second outer peripheral edge 22 of profiling jig 2 can laminate each other completely and coincide, prevents that the first outer peripheral edge 12 of mould benevolence 1 from appearing the sharp angle because of excessive burnishing and polishing, further improves the burnishing and polishing effect of the first die cavity 11 of mould benevolence 1.
In one embodiment, the surface of the mold core 1 is provided with a lightening groove 15 to lighten the weight of the mold core 1.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The utility model provides an assembling die for earphone box that charges, its characterized in that includes the mould benevolence and fixes mould benevolence profile modeling tool on the surface, the surface of mould benevolence has the first die cavity that is used for forming the mesochite of earphone box that charges, the opening part of the first die cavity of mould benevolence has first outer peripheral edge, the surface of profile modeling tool runs through and is provided with the second die cavity, the second die cavity orientation of profile modeling tool the one end opening part of mould benevolence has the second outer peripheral edge, the first outer peripheral edge of mould benevolence with the second outer peripheral edge of profile modeling tool coincides each other.
2. The assembling die for the earphone charging box according to claim 1, wherein a positioning boss is arranged on the side wall of the second cavity of the profiling jig, a protrusion is arranged on the side wall of the first cavity of the mold core, and a positioning groove for the positioning boss to be embedded into is formed in the protrusion.
3. The assembling die for the earphone charging box according to claim 2, wherein the positioning boss of the profiling jig protrudes out of the second outer peripheral edge of the second cavity of the profiling jig by 1mm to 2 mm.
4. The assembling die for the earphone charging box according to claim 1, wherein threaded holes are formed in the surface of the die core and the surface of the profiling jig, and threaded connecting pieces are matched with the threaded holes of the die core and the threaded holes of the profiling jig in a threaded manner.
5. The assembling die for the earphone charging box according to claim 1, wherein the surface of the die core and the surface of the profiling jig are both provided with positioning holes, and the positioning holes of the die core and the positioning holes of the profiling jig are matched with positioning pins in an inserting manner.
6. The assembling die for the earphone charging box according to claim 1, wherein a positioning hole is formed in the surface of the die core, and a positioning pin which is in inserted fit with the positioning hole of the die core is arranged on the surface of the profiling jig.
7. The combination mold of claim 1, wherein the dimension of the second cavity away from the opening of the mold core is greater than the dimension of the second cavity toward the opening of the mold core.
8. The assembling die for the earphone charging box according to claim 1, wherein two first cavities of the die core and two second cavities of the profiling jig are provided.
9. The combination die for the charging box of the earphone as claimed in claim 8, wherein the profiling jig is provided in a square shape, the threaded holes on the surface of the profiling jig are provided in six, four of the threaded holes of the profiling jig are respectively provided at four corners of the surface of the profiling jig, and the other two threaded holes of the profiling jig are provided between two of the second cavities of the profiling jig.
10. The assembling die for an earphone charging box according to claim 1, wherein a weight-reducing groove is formed on the surface of the die core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021159324.7U CN212259303U (en) | 2020-06-19 | 2020-06-19 | Combined die for earphone charging box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021159324.7U CN212259303U (en) | 2020-06-19 | 2020-06-19 | Combined die for earphone charging box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212259303U true CN212259303U (en) | 2020-12-29 |
Family
ID=73988001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021159324.7U Active CN212259303U (en) | 2020-06-19 | 2020-06-19 | Combined die for earphone charging box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212259303U (en) |
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2020
- 2020-06-19 CN CN202021159324.7U patent/CN212259303U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240207 Address after: 518000 mingfengda Industrial Park, Baoshan Road, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN ZHUOYUE BORUI TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 518000 mingfengda Industrial Park, Baoshan Road, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN MOFORT PRECISION TECHNOLOGY CO.,LTD. Country or region before: China |
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| TR01 | Transfer of patent right |