CN207841945U - Injection mold - Google Patents
Injection mold Download PDFInfo
- Publication number
- CN207841945U CN207841945U CN201820170798.8U CN201820170798U CN207841945U CN 207841945 U CN207841945 U CN 207841945U CN 201820170798 U CN201820170798 U CN 201820170798U CN 207841945 U CN207841945 U CN 207841945U
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- product
- cavity
- core
- injection mold
- parting line
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- 238000002347 injection Methods 0.000 title claims abstract description 31
- 239000007924 injection Substances 0.000 title claims abstract description 31
- 239000011159 matrix material Substances 0.000 claims abstract description 32
- 238000001746 injection moulding Methods 0.000 claims abstract description 9
- 238000004826 seaming Methods 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 15
- 230000000007 visual effect Effects 0.000 abstract description 14
- 238000004381 surface treatment Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000005498 polishing Methods 0.000 description 6
- 239000003973 paint Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000015607 signal release Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The disclosure is directed to a kind of injection molds, including：Swaging die, core die and at least two side forms, the enclosing of at least two side forms are set between swaging die and core die；Swaging die includes cavity, and core die includes core, and the inner wall of at least two side forms includes matrix cavity, and the molded surface of matrix cavity is adapted to the molded surface of cavity and core；Cavity, core and whole matrix cavity are collectively formed the injection molding space for molded article, and the seaming position of matrix cavity and cavity is the parting line position of product, so that the parting line of product is located at the inside of the largest contours line of product.The disclosure by the side form of injection mold make the parting line of product be located at product largest contours line inside, visual occlusion can be carried out to the parting line of the short side positioned at product by being formed by art designing line by surface treatment, eliminate grinding process, process time is saved, processing efficiency is improved, and reduces processing cost.
Description
Technical field
This disclosure relates to technical field of mold more particularly to a kind of injection mold.
Background technology
Domestic smart mobile phone market is gradually saturated, and numerous product designs just use traditional plastic cement material and realize at a low price, and
It takes into account object U.S., promote product level, and metallic paint and art designing line (the i.e. day of all-metal rear shell mobile phone are taken in appearance definition
Line signal release mark construct) design concept, achieve the effect that imitative metal rear shell visual sense.So in order to realize metal material
As appearance of fine quality, it is also necessary to the abundant combination of product design and manufacturing process.
The die sinking design of traditional plastic cellphone rear shell is that parting line is defined on product largest contours position, by polishing side
Formula removes surrounding parting line burr, and because needing the parting line on four sides of polishing, perimeter is longer, therefore the time of polishing is longer, increases cost.
Utility model content
The purpose of the present disclosure is to provide a kind of injection molds, can improve the processing efficiency of mobile phone shell, and reduction is processed into
This.
The embodiment of the present disclosure provides a kind of injection mold, including：Swaging die, core die and at least two side forms, it is described
The enclosing of at least two side forms is set between the swaging die and the core die；The swaging die includes cavity, the core
Mould includes core, and the inner wall of at least two side form includes matrix cavity, the molded surface of the matrix cavity and the cavity
And the molded surface of the core is adapted to；The cavity, the core and whole matrix cavities are collectively formed and are used for
The seaming position of the injection molding space of molded article, the matrix cavity and the cavity is the parting line position of product, so that product
Parting line be located at product largest contours line inside.
Optionally, the product is rectangular configuration, and the quantity of the side form is two, and the side form is L-type structure.
Optionally, the product is rectangular configuration, and the quantity of the side form is four, corresponds respectively to the four of the product
The position of a side wall is arranged.
Optionally, arbitrary three in four side forms are integrally formed.
Optionally, the side surface of the product is curved surfaces, and the molded surface of the matrix cavity is and the arc table
The corresponding arc molded surface in face.
Optionally, the inner wall of the matrix cavity is embedded with the pin that part protrudes from the matrix cavity, in product
Side wall is molded perforative side opening.
The technical scheme provided by this disclosed embodiment can include the following benefits：
By above-described embodiment it is found that the disclosure changes the parting line position of product by the side form of injection mold, make product
Parting line in move on to product largest contours line inside, then by surface treatment be formed by art designing line to being located at product
The parting line of short side carry out visual occlusion, eliminate and grinding process, section carried out to the parting line of the short side positioned at product
About process time, processing efficiency is improved, and reduce processing cost.
It should be understood that above general description and following detailed description is only exemplary and explanatory, not
The disclosure can be limited.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is a kind of structural schematic diagram of injection mold shown according to an exemplary embodiment.
Fig. 2 is a kind of mutually spliced structural representation of each component of injection mold shown according to an exemplary embodiment
Figure.
Fig. 3 is the schematic diagram with injection mold after a kind of product shown according to an exemplary embodiment is molded.
Fig. 4 be shown according to an exemplary embodiment a kind of product molding after with injection mold showing in the case where overlooking visual angle
It is intended to.
Fig. 5 is a kind of stereoscopic schematic diagram of product by injection molded shown according to an exemplary embodiment.
Fig. 6 is a kind of stereoscopic schematic diagram of the side form of injection mold shown according to an exemplary embodiment.
Fig. 7 is a kind of flow chart of the processing method of the shell of mobile device shown according to an exemplary embodiment.
Fig. 8 is the stereoscopic schematic diagram after a kind of product polishing shown according to an exemplary embodiment.
Fig. 9 is a kind of article surface shown according to an exemplary embodiment treated stereoscopic schematic diagram.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
The disclosure provides a kind of injection mold, can improve the processing efficiency of mobile phone shell, reduces processing cost.With reference to
Attached drawing describes to the injection mold of the disclosure in detail.In the absence of conflict, in following embodiment and embodiment
Feature can be combined with each other.
Shown in Figure 1, the embodiment of the present disclosure provides a kind of injection mold, including：Swaging die 10, core die 20 and extremely
Few two side forms 30, the enclosing of at least two side form 30 is set between the swaging die 10 and the core die 20, in Fig. 1
Part side form 30 is not shown.The swaging die 10 includes cavity 11, and the core die 20 includes core 21, at least two side
The inner wall of mould 30 includes matrix cavity 31, the molded surface of the matrix cavity 31 and the cavity 11 and the core 21 at
Type surface is adapted to.
Shown in Figure 2, the cavity 11, the core 21 and whole matrix cavities 31 are collectively formed for being molded
The injection molding space 40 of product 90.Shown in Fig. 3 to Fig. 5, outer end face and the cavity 11 of the matrix cavity 31 of the side form 30
Seaming position 50 be product 90 parting line 91 position so that the parting line 91 of product 90 is located at the largest contours of product 90
The inside of line 92.
By above-described embodiment it is found that the disclosure changes the position of the parting line 91 of product 90 by the side form 30 of injection mold
It sets, makes the inside for moving on to the largest contours line of product 90 in the parting line 91 of product 90, be then formed by by surface treatment
Art designing line carries out visual occlusion to the parting line 91 of the short side positioned at product 90, eliminates to the short side positioned at product 90
Parting line 91 carries out grinding process, has saved process time, has improved processing efficiency, and reduce processing cost.
In an optional embodiment, the product 90 is rectangular configuration, and the quantity of the side form 30 is four, respectively
Corresponding to the position setting of four side walls of the product 90.That is, the position of four side forms 30 corresponds respectively to product 90
Four side walls, and then be enclosed jointly for injection molding with the core 21 of the cavity of swaging die 10 11 and core die 20
The injection molding space 40 of product 90.Four corner of product 90 are spliced to form corresponding mold cavity configuration jointly by four side forms 30
33, any one mold cavity configuration 33 can be a separately formed on a side form 30, can also be on two side forms 30 respectively
The part for forming the mold cavity configuration 33, by the way that the mutually splicing of the two side forms 30 is obtained the complete mold cavity configuration 33.
In one embodiment, arbitrary three in four side forms 30 are integrally formed, that is, 30 one of wherein three side forms at
Type is U-shaped structure, another side form 30 is located at the seal location of the U-shaped structure.Certainly, in other embodiments, the side form
30 quantity may be two, and the side form 30 is L-type structure.Or four side forms 30 are integrally formed two-by-two, form two L
Type structure.Two L-type structures are mutually spliced, equally can be common with the cavity 11 of swaging die 10 and the core 21 of core die 20
It is enclosed the injection molding space 40 for injection molding product 90.
In an optional embodiment, the side surface of the product 90 is curved surfaces, the matrix cavity of the side form 30
31 molded surface is arc molded surface corresponding with the curved surfaces, and then is molded with corresponding construction shape side
The product 90 of wall.Certainly, the molded surface of the matrix cavity 31 of the side form 30 can be according to the shape of the side surface of the product 90
The actual conditions of shape are converted accordingly.
Shown in Figure 6, in an optional embodiment, the inner wall of the matrix cavity 31 of the side form 30 is embedded with part
The pin 32 of the matrix cavity 31 is protruded from, the pin 32 is used to be molded perforative side opening 93 in the side wall of product 90.Product
90 side opening 93 may include it is one or more in earpiece holes, Kato hole, key hole, power hole and sound outlet hole, correspondingly,
Position and structure of the inner wall of the matrix cavity 31 of the side form 30 of the injection mold according to the side opening to be processed 93 of the product 90
Shape is embedded with corresponding position and the pin 32 of planform.In the example shown in Fig. 6, institute there are two being formed on the side form 30
State mold cavity configuration 33.
Since the processing request of product side opening does not allow bore edges to have the angles R (i.e. fillet).The processing scheme of traditional side opening
Be that side opening is molded using mold and the integrally formed mode of pin, need to process using electrode discharge, and due to pin with
The root of mold junction carries nature fillet, therefore this mode can cause holes of products edge left with nature fillet 0.1mm
It has no idea to ensure the sharp edge effect that bore edges are absolute because slight long-pending oil can also amplify visual effect after baking vanish in the right side.In order to ensure
Bore edges have the stereo visual effect of sharp edge effect, it will usually CNC (Computer numerical are individually carried out after product baking vanish
Control, numerically-controlled machine tool) processing, to realize that bore edges have the stereo visual effect of sharp edge effect.But CNC processes product one week
Used time of hole position be about 4 minutes/piece, process time and of high cost, while CNC handling eases cause baking vanish layer to collapse paint along hole edge
And notch occur leads to bad order, reduces product yield.
The injection mold of the disclosure is embedded with by the inner wall of the matrix cavity 31 in the side form 30 described in partly protruding from
The pin 32 of matrix cavity 31, since pin 32 is assembled in a manner of embedded splicing with side form 30, pin 32
Seam crossing with side form 30 is completely consistent with the side opening shape of product, will not cause the fillet problem of bore edges, is ensured
The side opening of product has the stereo visual effect of sharp edge effect.In addition CNC processing is also eliminated, processing cost is saved.
It is shown in Figure 7, a kind of a kind of mobile device of the injection mold provided using the embodiment of the present disclosure is provided
Shell processing method, the processing method includes the following steps：
Step S11：In conjunction with shown in Fig. 4 and Fig. 5, the product 90 of shell to be processed is rectangular configuration, is implemented by the disclosure
The product 90 for the injection mold injection molding shell that example provides, makes the parting line 91 of product 90 be located at the largest contours line of product 90
92 inside.Mobile device described in the disclosure can be one kind in mobile phone, tablet computer or palm PC.
Step S12：In conjunction with shown in Fig. 8, grinding process, example are carried out to the parting line 91 of the long side positioned at the product 90
Such as sand sponge is used to polish, and then removes the parting line 91 of the long side positioned at product 90.It is of course also possible to pass through other machineries
The mode of polishing or polishing carries out grinding process to the parting line 91 of the long side positioned at product 90.
Step S13：Paint baking is carried out to form baking vanish layer to the surface of the product 90.Baking vanish layer can be to product 90
Surface play a protective role, and can be needed to use different baking vanish colors according to technique, and then it is different to make shell realize
The appearance of color.
Step S14：In conjunction with shown in Fig. 9, the surface of the product 90 is surface-treated to form art designing line 94, it is described
In art designing line 94 will be coated on positioned at the parting line 91 of the short side of the product 90, vision screening can be carried out to the parting line 91
Gear.The product 90 can be surface-treated by way of laser carving to form the art designing line 94.Wherein, it is located at described
The edge of the parting line 91 of the short side of product 90 is 0~2mm at a distance from the edge of the art designing line 94 of respective side.At this
In embodiment, it is located at the edge of the edge of the parting line 91 of the short side of the product 90 and the art designing line 94 of respective side
Distance is 0.05mm.
It should be noted that the injection mold of the disclosure can be configured to：By the matrix cavity of the side form 30
31 are designed to the parting line 91 so that short side of the product 90 with the seaming position of the cavity 11 of the swaging die 10
It moves towards consistent with the art designing line 94 to be processed, so that the art designing line 91 and the parting line 91 of the short side of product 90 is reached
To the visual effect being mutually parallel, the appearance to make shell reach more attractive.
Step S15：93 forming processes of side opening are carried out to the product 90 by the side form 30 of the injection mold, so that institute
It states pin 32 and forms corresponding side opening 93 in the side wall of the product 90.Wherein, the inner wall root of the matrix cavity 31 of the side form 30
It is embedded with corresponding pin 32 according to the position and shape of the side opening to be processed 93 of the product 90.
Since the processing request of product side opening does not allow bore edges to have the angles R (i.e. fillet).The processing scheme of traditional side opening
Be that side opening is molded using mold and the integrally formed mode of pin, need to process using electrode discharge, and due to pin with
The root of mold junction carries nature fillet, therefore this mode can cause holes of products edge left with nature fillet 0.1mm
It has no idea to ensure the sharp edge effect that bore edges are absolute because slight long-pending oil can also amplify visual effect after baking vanish in the right side.In order to ensure
Bore edges have the stereo visual effect of sharp edge effect, it will usually CNC (Computer numerical are individually carried out after product baking vanish
Control, numerically-controlled machine tool) processing, to realize that bore edges have the stereo visual effect of sharp edge effect.But CNC processes product one week
Used time of hole position be about 4 minutes/piece, process time and of high cost, while CNC handling eases cause baking vanish layer to collapse paint along hole edge
And notch occur leads to bad order, reduces product yield.
Processing and forming is carried out to the shell of mobile device using the injection mold of the disclosure, by the recessed of the side form 30
The inner wall of die cavity 31 is embedded with part and protrudes from the pin 32 of the matrix cavity 31, since pin 32 is with side form 30 with embedded
What the mode of splicing was assembled, therefore pin 32 is completely consistent with the side opening shape of product with the seam crossing of side form 30
, the fillet problem of bore edges will not be caused, ensure that the side opening of product has the stereo visual effect of sharp edge effect.In addition also remove from
CNC processing, saves processing cost.
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice disclosure disclosed herein
Its embodiment.The disclosure is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and includes the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (6)
1. a kind of injection mold, which is characterized in that including：Swaging die, core die and at least two side forms, described at least two
Side form enclosing is set between the swaging die and the core die；The swaging die includes cavity, and the core die includes type
Core, the inner wall of at least two side form include matrix cavity, the molded surface of the matrix cavity and the cavity and described
The molded surface of core is adapted to；The cavity, the core and whole matrix cavities are collectively formed for molded article
Injection molding space, the seaming position of the matrix cavity and the cavity is the parting line position of product, so that the parting line of product
Positioned at the inside of the largest contours line of product.
2. injection mold according to claim 1, which is characterized in that the product is rectangular configuration, the number of the side form
Amount is two, and the side form is L-type structure.
3. injection mold according to claim 1, which is characterized in that the product is rectangular configuration, the number of the side form
Amount is four, corresponds respectively to the position setting of four side walls of the product.
4. injection mold according to claim 3, which is characterized in that arbitrary three in four side forms are integrated into
Type.
5. injection mold according to claim 1, which is characterized in that the side surface of the product is curved surfaces, described
The molded surface of matrix cavity is arc molded surface corresponding with the curved surfaces.
6. injection mold according to claim 1, which is characterized in that the inner wall of the matrix cavity is embedded with part and protrudes from
The pin of the matrix cavity is molded perforative side opening for the side wall in product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820170798.8U CN207841945U (en) | 2018-01-31 | 2018-01-31 | Injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820170798.8U CN207841945U (en) | 2018-01-31 | 2018-01-31 | Injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207841945U true CN207841945U (en) | 2018-09-11 |
Family
ID=63414094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820170798.8U Active CN207841945U (en) | 2018-01-31 | 2018-01-31 | Injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207841945U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109571871A (en) * | 2018-11-21 | 2019-04-05 | Oppo（重庆）智能科技有限公司 | The manufacturing method of compression mould, the shell of electronic device, electronic device and shell |
| CN110091471A (en) * | 2018-01-31 | 2019-08-06 | 北京小米移动软件有限公司 | Injection mold, the shell of mobile device and its processing method |
| CN110253380A (en) * | 2019-06-04 | 2019-09-20 | Oppo广东移动通信有限公司 | Shell machining method, shell and electronic equipment |
-
2018
- 2018-01-31 CN CN201820170798.8U patent/CN207841945U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091471A (en) * | 2018-01-31 | 2019-08-06 | 北京小米移动软件有限公司 | Injection mold, the shell of mobile device and its processing method |
| CN109571871A (en) * | 2018-11-21 | 2019-04-05 | Oppo（重庆）智能科技有限公司 | The manufacturing method of compression mould, the shell of electronic device, electronic device and shell |
| CN110253380A (en) * | 2019-06-04 | 2019-09-20 | Oppo广东移动通信有限公司 | Shell machining method, shell and electronic equipment |
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