CN220261832U - Injection mold of multimedia sound part - Google Patents
Injection mold of multimedia sound part Download PDFInfo
- Publication number
- CN220261832U CN220261832U CN202322022401.4U CN202322022401U CN220261832U CN 220261832 U CN220261832 U CN 220261832U CN 202322022401 U CN202322022401 U CN 202322022401U CN 220261832 U CN220261832 U CN 220261832U
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- injection
- mold
- injection molding
- cavity
- multimedia sound
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- 238000002347 injection Methods 0.000 title claims abstract description 51
- 239000007924 injection Substances 0.000 title claims abstract description 51
- 238000001746 injection moulding Methods 0.000 claims abstract description 49
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
The utility model discloses an injection mold of a multimedia sound part, which comprises an upper mold, a lower mold, a core-pulling assembly and an ejection assembly, wherein the upper mold is provided with a groove; the lower die is provided with a profiling part corresponding to the groove and is used for being embedded into the groove to jointly define an injection cavity; the core pulling assembly is arranged on the side surface of the upper die and can extend into the injection cavity to be matched with injection molding when driven; the ejection assembly is arranged at the bottom of the lower die and extends into the injection cavity, and is used for ejecting the molded injection molding part from the profiling part. The utility model makes the demoulding difficulty of the injection molding piece after molding smaller, reduces working hours and improves production efficiency.
Description
Technical Field
The utility model relates to the technical field of molds, in particular to an injection mold for multimedia sound parts.
Background
The injection mold is a tool for producing plastic products, and specifically refers to injection molding of heated and melted plastic into a mold cavity by an injection molding machine under high pressure, and cooling and solidifying to obtain an injection molding; in the related art, the existing multimedia sound rear shell is generally formed by assembling a panel, and in the process of injection molding the sound rear shell, the molded injection molding piece is large in demolding difficulty, so that the working hour is long and the production efficiency is low.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems in the related art to some extent. To this end, an object of the present utility model is to provide an injection mold for a multimedia sound part, comprising:
an upper die, wherein the upper die is provided with a groove;
the lower die is provided with a profiling part corresponding to the groove and is used for being embedded into the groove to jointly define an injection cavity;
the core pulling assembly is arranged on the side surface of the upper die and can extend into the injection cavity to be matched with injection molding when driven;
and the ejection assembly is arranged at the bottom of the lower die and extends into the injection cavity, and is used for ejecting the molded injection molding part from the profiling part.
Preferably, the lower die has an annular groove disposed around the profiling portion, and the ejector assembly extends to be flush with the bottom of the annular groove.
Preferably, the core pulling assembly includes:
the cylinder is fixed on the side surface of the upper die;
one end of the connecting plate is connected with a cylinder rod of the cylinder;
the sliding block is fixed with the other end of the connecting plate and is in sliding connection with the air cylinder.
Preferably, the sliding part is arranged on the sliding block, and the sliding block is in sliding connection with the air cylinder through the sliding part.
Preferably, the upper die has a through hole penetrating into the groove, and the slider is slidably disposed in the through hole.
Preferably, the ejection assembly comprises:
the bottom plate is fixed at the bottom of the lower die;
the movable plate is movably arranged on the bottom plate and can be mutually close to or mutually far away from the lower die;
the ejection rod is arranged on the moving plate and extends into the injection molding cavity and is used for moving along with the moving plate to eject or retract in the injection molding cavity.
Preferably, the profiling part has two convex parts thereon, and the two convex parts are configured in a cylindrical shape.
Preferably, the injection molding device further comprises a top plate, wherein the top plate is arranged at the top of the upper die, and an injection molding channel communicated with the injection molding cavity is formed in the top plate.
The scheme of the utility model at least comprises the following beneficial effects:
according to the injection mold for the multimedia sound part, when the upper mold and the lower mold are close to each other, the groove and the profiling part can define the injection cavity, the core pulling assembly stretches into the injection cavity, meanwhile, the molten injection molding is injected into the injection cavity, the injection molding piece obtained after the injection molding piece is cooled and molded is fastened on the profiling part, and therefore the molded injection molding piece can be ejected from the profiling part through the ejection assembly, so that the demolding difficulty of the molded injection molding piece is smaller, the working hours are reduced, and the production efficiency is improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an injection mold for a multimedia sound part according to an embodiment of the present utility model;
fig. 2 is a cross-sectional view of an injection mold for a multimedia sound part provided in an embodiment of the present utility model;
fig. 3 is a structural exploded view of an injection mold for a multimedia sound part provided in an embodiment of the present utility model;
fig. 4 is a schematic structural view of an upper die and a core back assembly provided in an embodiment of the present utility model.
Reference numerals illustrate:
10. an upper die; 11. a groove; 20. a lower die; 21. a profiling part; 22. an injection cavity; 23. an annular groove; 24. a convex portion; 30. a core pulling assembly; 31. a cylinder; 32. a connecting plate; 33. a slide block; 331. a sliding part; 40. an ejection assembly; 41. a bottom plate; 42. a moving plate; 43. an ejector rod; 50. a top plate; 51. and (5) injection molding the channel.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present utility model and should not be construed as limiting the utility model, and all other embodiments, based on the embodiments of the present utility model, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The injection mold for a multimedia sound part according to an embodiment of the present utility model is described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 4, an injection mold for a multimedia sound part provided in an embodiment of the present utility model includes an upper mold 10, a lower mold 20, a core-pulling assembly 30, and an ejection assembly 40, where the upper mold 10 has a groove 11; the lower die 20 is provided with a profiling part 21 corresponding to the groove 11 and is used for being embedded into the groove 11 to jointly define an injection cavity 22; the core-pulling assembly 30 is arranged on the side surface of the upper die 10 and can extend into the injection cavity 22 to be matched with injection molding when driven; an ejector assembly 40 is provided at the bottom of the lower die 20 and extends into the injection cavity 22 for ejecting the molded injection molding from the profiling 21.
The upper mold 10 may be driven by driving the cylinder 31 or the like so that the upper mold 10 and the lower mold 20 may be close to or far from each other, the injection cavity 22 defined by the groove 11 and the profiling portion 21 may be an acoustic rear shell, and when the upper mold 10 and the lower mold 20 are far from each other, the molded injection is fastened to the profiling portion 21, and thus may be ejected by the ejection assembly 40.
According to the injection mold for the multimedia sound part, when the upper mold 10 and the lower mold 20 are close to each other, the groove 11 and the profiling part 21 can define the injection cavity 22, the core pulling assembly 30 stretches into the injection cavity 22, meanwhile, molten injection molding is injected into the injection cavity 22, the injection molding obtained after cooling and molding of the injection molding is fastened on the profiling part 21, and therefore the molded injection molding can be ejected from the profiling part 21 through the ejection assembly 40, so that the demolding difficulty of the injection molding after molding is smaller, the working hours are reduced, and the production efficiency is improved.
Referring to fig. 3, the lower die 20 has an annular groove 23, the annular groove 23 is disposed around the profiling 21, and the ejector assembly 40 extends to be flush with the bottom of the annular groove 23. Wherein, ring channel 23 can correspond to the edge of stereo set backshell, after injection molding, can assemble with the panel behind the stereo set through the edge that ring channel 23 corresponds to, from this, cooperate through ring channel 23 and profile modeling portion 21 for efficiency is higher in the injection molding process.
Further, the core-pulling assembly 30 comprises an air cylinder 31, a connecting plate 32 and a sliding block 33, wherein the air cylinder 31 is fixed on the side surface of the upper die 10; one end of the connecting plate 32 is connected with a cylinder 31 rod of the cylinder 31; the sliding block 33 is fixed to the other end of the connecting plate 32 and slidably connected to the cylinder 31.
In this embodiment, when the upper mold 10 and the lower mold 20 are close to each other, the driving slider 33 may be driven to enter the injection cavity 22, and after injection molding is completed, the driving slider 33 may be driven by the cylinder 31 to disengage from the injection cavity 22, thereby driving the upper mold 10 and the lower mold 20 away from each other and ejecting the injection molding from the profiling part 21 through the ejection assembly 40; it will be appreciated that the slider 33 may form a hole in the injection molded sound rear housing for use in assembling other components and the hole during subsequent assembly.
Alternatively, the slider 33 has a sliding portion 331 thereon, the slider 33 is slidably connected to the cylinder 31 through the sliding portion 331, the upper die 10 has a through hole penetrating into the groove 11, and the slider 33 is slidably provided in the through hole. Wherein, the sliding part 331 limits the sliding of the sliding block 33 in the through hole, so that the sliding block 33 is more stable and reliable when entering or exiting the injection molding cavity 22, and the whole structure is simpler.
Specifically, the ejector assembly 40 includes a bottom plate 41, a moving plate 42, and an ejector rod 43, where the bottom plate 41 is fixed to the bottom of the lower die 20; the moving plate 42 is movably provided on the bottom plate 41 and is movable toward and away from each other with respect to the lower die 20; an ejector rod 43 is provided on the moving plate 42 and extends into the injection cavity 22 for movement with the moving plate 42 to eject or retract within the injection cavity 22.
In this embodiment, when the injection molding is ejected, the moving plate 42 may be driven to move by the driving cylinder 31 or the like, so that the moving plate 42 and the bottom plate 41 are away from each other, and the ejector rod 43 is driven to move toward the injection molding cavity 22, so as to eject the injection molding from the profiling part 21; it will be appreciated that the ejector rod 43 may extend into the annular groove 23 and be flush with the bottom of the annular groove 23, so that the edge of the injection molding may be ejected during ejection, and the structure is simpler and the production efficiency is higher.
Alternatively, the profiling portion 21 has two projections 24 thereon, and the two projections 24 are configured cylindrically. The two protrusions 24 are corresponding to the back of the injection molding piece, so that after injection molding, the back of the injection molding piece contains holes corresponding to the two protrusions 24 for mounting the speaker, etc.
Further, a top plate 50 is further included, the top plate 50 is disposed on top of the upper mold 10, and an injection passage 51 communicating with the injection cavity 22 is provided on the top plate 50. Wherein, can be through the mode such as screw rod injection molding with the fused injection molding thing from injection molding passageway 51 injection molding intracavity 22 for injection molding efficiency is higher, and overall structure is simpler.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (8)
1. An injection mold for a multimedia sound part, comprising:
an upper die, wherein the upper die is provided with a groove;
the lower die is provided with a profiling part corresponding to the groove and is used for being embedded into the groove to jointly define an injection cavity;
the core pulling assembly is arranged on the side surface of the upper die and can extend into the injection cavity to be matched with injection molding when driven;
and the ejection assembly is arranged at the bottom of the lower die and extends into the injection cavity, and is used for ejecting the molded injection molding part from the profiling part.
2. The injection mold of claim 1 wherein said lower mold has an annular groove disposed around said contoured portion and said ejector assembly extends to be flush with the bottom of said annular groove.
3. The injection mold of a multimedia sound part according to claim 1, wherein the core pulling assembly comprises:
the cylinder is fixed on the side surface of the upper die;
one end of the connecting plate is connected with a cylinder rod of the cylinder;
the sliding block is fixed with the other end of the connecting plate and is in sliding connection with the air cylinder.
4. The injection mold of a multimedia sound part according to claim 3, wherein the slide block has a sliding portion thereon, and the slide block is slidably connected with the cylinder through the sliding portion.
5. An injection mold for a multimedia sound part according to claim 3, wherein the upper mold has a through hole penetrating into the recess, and the slider is slidably provided in the through hole.
6. The injection mold of a multimedia sound part of claim 1, wherein the ejection assembly comprises:
the bottom plate is fixed at the bottom of the lower die;
the movable plate is movably arranged on the bottom plate and can be mutually close to or mutually far away from the lower die;
the ejection rod is arranged on the moving plate and extends into the injection molding cavity and is used for moving along with the moving plate to eject or retract in the injection molding cavity.
7. The injection mold of a multimedia sound part according to claim 1, wherein the profiling portion has two protrusions thereon, and the two protrusions are configured in a cylindrical shape.
8. The injection mold of a multimedia sound part according to claim 1, further comprising a top plate disposed on top of the upper mold and having an injection passage therein in communication with the injection cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322022401.4U CN220261832U (en) | 2023-07-28 | 2023-07-28 | Injection mold of multimedia sound part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322022401.4U CN220261832U (en) | 2023-07-28 | 2023-07-28 | Injection mold of multimedia sound part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220261832U true CN220261832U (en) | 2023-12-29 |
Family
ID=89313204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322022401.4U Active CN220261832U (en) | 2023-07-28 | 2023-07-28 | Injection mold of multimedia sound part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220261832U (en) |
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2023
- 2023-07-28 CN CN202322022401.4U patent/CN220261832U/en active Active
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