CN215849352U - Injection mold of double-colored button - Google Patents
Injection mold of double-colored button Download PDFInfo
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- CN215849352U CN215849352U CN202121696163.XU CN202121696163U CN215849352U CN 215849352 U CN215849352 U CN 215849352U CN 202121696163 U CN202121696163 U CN 202121696163U CN 215849352 U CN215849352 U CN 215849352U
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- cavity
- mold
- runner
- auxiliary
- injection
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- 238000002347 injection Methods 0.000 title claims abstract description 43
- 239000007924 injection Substances 0.000 title claims abstract description 43
- 239000003292 glue Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000001746 injection moulding Methods 0.000 description 10
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection mold of a double-color key, which comprises a front mold and a rear mold, wherein a front mold core is arranged in the front mold, a rear mold core is arranged in the rear mold, a first cavity is arranged on the front mold core, a second cavity is formed on the rear mold core corresponding to the first cavity, the first cavity and the second cavity jointly enclose an injection mold cavity capable of forming the double-color key, the double-color key comprises a plurality of key main bodies and connecting pieces used for connecting the key main bodies, the injection mold cavity comprises a main body cavity for forming the key main bodies and a connecting cavity for forming the connecting pieces, an auxiliary runner cavity for forming an auxiliary ejection water outlet piece is also formed between the front mold core and the rear mold core in a matched and enclosed manner, the auxiliary runner cavity is communicated with the main body cavity, the front die core is provided with a glue injection runner communicated with the auxiliary runner cavity, and the rear die is provided with an ejection mechanism for ejecting the formed double-color key and the auxiliary ejection outlet piece. The injection mold ensures that the key main body of the double-color key has a complete appearance surface, and meets the requirements of users.
Description
Technical Field
The utility model relates to the field of injection molds, in particular to an injection mold for a double-color key.
Background
The double-color injection molding refers to that two kinds of plastics with different colors and different types are mostly matched by a soft plastic and a hard plastic, and the two kinds of plastics are organically combined together to form a complete product by performing injection molding according to a certain sequence through a double-color injection molding machine. Two-color injection molds are used for the injection molding process.
The existing electronic products basically need to assemble keys, the keys are mostly made of plastics, and the surfaces of the keys made of plastics often need to present some indication parts of images, numbers or characters, so the key products need to present at least two colors to distinguish the key main body from the indication parts, and the existing manufacturing scheme basically adopts separate injection molding, and then the formed indication parts are combined with the key main body in a bonding or embedding way. The manufacturing process of the double-color key is complex, the production efficiency is low, and the qualification rate of products is relatively low.
The two-color key shown in fig. 1-2 comprises a one-color key body 1 and a two-color connecting piece 2, wherein fig. 1 is the front surface of the key, and fig. 2 is the back surface of the key; the color key body 1 is an appearance surface and is made of hard glue, and if the color key body is directly ejected out, the appearance of the color key body is influenced, so that the appearance is influenced; the bicolor connecting piece 2 plays a role in connection and positioning, is soft rubber and cannot be used for ejection, so that the problem that how to eject the glue inlet point of the bicolor key of the loudspeaker box and the injection molding is solved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a double-color injection mold of a double-color key, so as to solve the problems mentioned in the background art.
The purpose of the utility model is realized by adopting the following technical scheme:
an injection mold of a double-color key comprises a front mold and a rear mold, a front mold core is arranged in the front mold, a rear die core is arranged in the rear die, the front die core is provided with a first die cavity, the rear die core is provided with a second die cavity corresponding to the first die cavity, the first cavity and the second cavity enclose an injection molding cavity capable of molding a double-color key, the double-color key comprises a plurality of key main bodies and a connecting piece used for connecting the key main bodies, the injection molding cavity comprises a main body cavity for molding the key body and a connecting cavity for molding the connecting piece, the front die core and the rear die core are also matched and enclosed to form an auxiliary flow passage cavity for forming an auxiliary ejection water outlet piece, the auxiliary runner cavity is communicated with the main body cavity, the front die core is provided with a glue injection runner communicated with the auxiliary runner cavity, and the rear die is provided with an ejection mechanism for ejecting the formed double-color key and the auxiliary ejection outlet piece.
Further, supplementary ejecting mouth of a river spare includes vertical section and with the vertical section vertical connection's horizontal segment, supplementary runner chamber is including the shaping vertical runner chamber of vertical section and the shaping horizontal runner chamber of horizontal segment, horizontal runner chamber with the main part chamber communicates with each other, vertical runner chamber with the injecting glue runner communicates with each other.
Further, every main part chamber all is connected with two auxiliary flow channel chambeies, and two auxiliary flow channel chambeies with the main part chamber sets up as the central axis symmetry, injecting glue runner and one of them auxiliary flow channel chamber intercommunication, the contralateral other auxiliary flow channel chamber is used for the exhaust.
Furthermore, a glue inlet communicated with the glue injection runner is formed in the vertical runner cavity of one of the auxiliary runner cavities.
Furthermore, the front mold is provided with an injection molding nozzle communicated with the glue injection runner.
Furthermore, a thimble flow channel is arranged in the rear mold core and is aligned with the auxiliary flow channel cavity, and the ejection mechanism comprises an ejection thimble which penetrates through the thimble flow channel to eject the molded double-color key and the auxiliary water ejection outlet piece together.
Compared with the prior art, the utility model has the beneficial effects that:
in the utility model, an auxiliary flow channel cavity for forming the auxiliary ejection water outlet piece is formed by matching and enclosing the front mold core and the rear mold core, the formed auxiliary ejection water outlet piece is ejected out through the ejection mechanism, and the two-color key is driven to be ejected out while the auxiliary ejection water outlet piece is ejected out, so that the two-color key and the auxiliary ejection water outlet piece are ejected out together; after ejection, the auxiliary water ejection port part on the double-color key is removed, so that the key body of the double-color key is ensured to have a complete appearance surface, and the user requirements are met.
Drawings
FIG. 1 is a schematic diagram of a prior art dual-color key, showing the front side of the key;
FIG. 2 is a second schematic diagram of a prior art dual-color key, showing the reverse side of the key;
FIG. 3 is a schematic view of an injection mold for a two-color key provided in the present invention;
FIG. 4 is a schematic diagram of a rear mold core of an injection mold for a two-color key according to the present invention;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a cross-sectional view taken at B-B of FIG. 5;
FIG. 7 is a cross-sectional view of a front core of an injection mold for a dual-color key according to the present invention;
FIG. 8 is a schematic view of a dual-color key manufactured by the injection mold of the present invention, wherein the key is a front surface;
FIG. 9 is a second schematic view of a two-color key manufactured by using the injection mold of the present invention, wherein the key is a reverse side;
in the figure: 1. a key body; 2. a connecting member; 3. an auxiliary top outlet piece; 4. a front mold; 5. a front mold core; 51. a first cavity; 52. injecting glue runner; 6. a rear mold; 7. a rear mold core; 71. a second cavity; 8. an auxiliary runner cavity; 81. a glue inlet; 9. a thimble flow channel; 10. ejecting a thimble; 11. a thimble panel; 12. and a thimble bottom plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," "one," "another," and the like are used to distinguish similar elements, and these terms and other similar terms are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. Corresponding reference numerals are used throughout the figures to indicate corresponding or corresponding elements (e.g., elements identified as "1 XX" and "2 XX" are structurally identical and functionally similar).
As shown in fig. 3-9, the injection mold for a dual-color key provided by the present invention comprises a front mold 4 and a rear mold 6, a front mold core 5 is arranged in the front mold 4, a rear mold core 7 is arranged in the rear mold 6, the front mold core 5 is provided with a first mold cavity 51, the rear mold core 7 is provided with a second mold cavity 71 corresponding to the first mold cavity 51, the first mold cavity 51 and the second mold cavity 71 jointly enclose an injection mold cavity capable of forming a dual-color key, the dual-color key comprises a plurality of key main bodies 1 and a connecting piece 2 for connecting the plurality of key main bodies 1, the injection mold cavity comprises a main body cavity for forming the key main bodies 1 and a connecting cavity for forming the connecting piece 2, an auxiliary flow channel cavity 8 for forming an auxiliary top water outlet piece 3 is further cooperatively enclosed between the front mold core 5 and the rear mold core 7, the auxiliary flow channel cavity 8 is communicated with the main body cavity, the front mold core 5 is provided with a glue injection runner 52 communicated with the auxiliary runner cavity 8, and the rear mold 6 is provided with an ejection mechanism for ejecting the molded double-color key and the auxiliary ejection outlet component 3.
In the utility model, an auxiliary flow channel cavity 8 for forming the auxiliary ejection water outlet piece 3 is formed by matching and enclosing the front mold core 5 and the rear mold core 7, the formed auxiliary ejection water outlet piece 3 is ejected out through an ejection mechanism, and the two-color key is driven to be ejected out by the way while the auxiliary ejection water outlet piece 3 is ejected out, so that the two-color key and the auxiliary ejection water outlet piece 3 are ejected out together; after ejection, the auxiliary ejection outlet piece 3 on the double-color key is removed, so that the key body 1 of the double-color key is ensured to have a complete appearance surface, and the requirements of users are met.
As a preferred embodiment, the auxiliary top water outlet member 3 includes a vertical section and a horizontal section vertically connected to the vertical section, the auxiliary runner cavity 8 includes a vertical runner cavity for forming the vertical section and a horizontal runner cavity for forming the horizontal section, the horizontal runner cavity is communicated with the main body cavity, and the vertical runner cavity is communicated with the glue injection runner 52.
As a preferred embodiment, two auxiliary runner cavities 8 are connected to each main body cavity, the two auxiliary runner cavities 8 are symmetrically arranged with the main body cavity as a central axis, the glue injection runner 52 is communicated with one of the auxiliary runner cavities 8, and the other auxiliary runner cavity 8 on the opposite side is used for exhausting air.
In a preferred embodiment, the vertical flow channel cavity of one of the auxiliary flow channel cavities 8 is formed with a glue inlet 81 communicated with the glue injection flow channel 52.
In this embodiment, be connected with two auxiliary flow channel chambeies 8 at every main part chamber, the auxiliary flow channel chamber 8 of one side can be formed with into jiao kou 81 and communicate with each other with injecting glue runner 52, and the auxiliary flow channel chamber 8 to the face side plays drainage and exhaust effect, produces the convection current when making injection moulding, and the product surface can not have the bad phenomenon of outward appearance such as weld line and gas line, has solved the problem that the gas trapping can lead to bad conditions such as weld line to appear on the product outward appearance surface, guarantees that the product has complete outward appearance.
In a preferred embodiment, the front mold 4 is provided with an injection nozzle communicated with the glue injection runner 52.
As a preferred embodiment, a thimble flow channel 9 is disposed in the rear mold core 7, the thimble flow channel 9 is aligned with the auxiliary flow channel cavity 8, the ejection mechanism includes an ejection thimble 10, and the ejection thimble 10 penetrates through the thimble flow channel 9 to eject the molded two-color key and the auxiliary ejection outlet 3 together. Specifically, the ejection mechanism further comprises an ejector pin panel 11 and an ejector pin bottom plate 12, one end of an ejection ejector pin 10 is connected with the ejector pin panel 11, and the other end of the ejection pin 10 penetrates through the rear mold 6 and extends into the ejector pin flow channel 9.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (6)
1. An injection mold for a double-color key is characterized by comprising a front mold (4) and a rear mold (6), wherein a front mold core (5) is arranged in the front mold (4), a rear mold core (7) is arranged in the rear mold (6), the front mold core (5) is provided with a first mold cavity (51), the rear mold core (7) is provided with a second mold cavity (71) corresponding to the first mold cavity (51), the first mold cavity (51) and the second mold cavity (71) jointly enclose an injection mold cavity capable of forming the double-color key, the double-color key comprises a plurality of key main bodies (1) and connecting pieces (2) used for connecting the plurality of key main bodies (1), the injection mold cavity comprises a main body cavity for forming the key main bodies (1) and a connecting cavity for forming the connecting pieces (2), an auxiliary flow channel (8) used for forming auxiliary top water outlet pieces (3) is further formed between the front mold core (5) and the rear mold core (7) in a matched and enclosed manner, the auxiliary runner cavity (8) is communicated with the main body cavity, the front mold core (5) is provided with a glue injection runner (52) communicated with the auxiliary runner cavity (8), and the rear mold (6) is provided with an ejection mechanism for ejecting the molded double-color key and the auxiliary ejection outlet piece (3).
2. An injection mold for two-color keys according to claim 1, wherein the auxiliary top water outlet member (3) comprises a vertical section and a horizontal section vertically connected with the vertical section, the auxiliary runner cavity (8) comprises a vertical runner cavity for forming the vertical section and a horizontal runner cavity for forming the horizontal section, the horizontal runner cavity is communicated with the main body cavity, and the vertical runner cavity is communicated with the glue injection runner (52).
3. An injection mold for a dual-color key according to claim 2, wherein each main body cavity is connected with two auxiliary runner cavities (8), the two auxiliary runner cavities (8) are symmetrically arranged by taking the main body cavity as a central axis, the glue injection runner (52) is communicated with one auxiliary runner cavity (8), and the other auxiliary runner cavity (8) at the opposite side is used for exhausting.
4. An injection mold for a two-color key according to claim 3, wherein the vertical runner cavity of one of the auxiliary runner cavities (8) is formed with a glue inlet (81) communicating with the glue injection runner (52).
5. An injection mold for two-color keys according to claim 1, characterized in that the front mold (4) is provided with an injection nozzle communicating with the glue injection runner (52).
6. The injection mold for the dual-color key according to claim 1, wherein a thimble flow channel (9) is provided in the rear mold core (7), the thimble flow channel (9) is aligned with the auxiliary flow channel cavity (8), the ejection mechanism comprises an ejection thimble (10), and the ejection thimble (10) penetrates through the thimble flow channel (9) to eject the molded dual-color key and the auxiliary ejection outlet (3) together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121696163.XU CN215849352U (en) | 2021-07-23 | 2021-07-23 | Injection mold of double-colored button |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121696163.XU CN215849352U (en) | 2021-07-23 | 2021-07-23 | Injection mold of double-colored button |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215849352U true CN215849352U (en) | 2022-02-18 |
Family
ID=80331546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121696163.XU Active CN215849352U (en) | 2021-07-23 | 2021-07-23 | Injection mold of double-colored button |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215849352U (en) |
-
2021
- 2021-07-23 CN CN202121696163.XU patent/CN215849352U/en active Active
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