CN110154316A - Injection mold - Google Patents
Injection mold Download PDFInfo
- Publication number
- CN110154316A CN110154316A CN201910515252.0A CN201910515252A CN110154316A CN 110154316 A CN110154316 A CN 110154316A CN 201910515252 A CN201910515252 A CN 201910515252A CN 110154316 A CN110154316 A CN 110154316A
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- CN
- China
- Prior art keywords
- protrusion
- injection
- template
- metalwork
- raw material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
This application provides a kind of injection molds, comprising: the first template and the second template.The first half chambers are provided in first template.It is provided with the second half chambers in second template, the first half chambers and the second half chamber structure forming cavities.The protrusion of strip, the injection molding edge setting of raised adjacent metal part are provided in the cavity wall of the second half chambers.Injection mold provided by the present application, in injection moulding process, the injection raw material of flowing strikes in protrusion, it can reduce the flowing velocity of high spot injection raw material, injection raw material is set slowly to be full of the injection molding edge of metalwork, so as to avoid between metalwork and the second template because the impact force of injection raw material generate gap due to caused by burr, and then it can be improved the qualification rate of product, effectively avoid the defect ware even generation of waste product, reduce the processing cost in later period, it ensure that the total quality of injecting products, reduce the manufacturing cost of product, create good economic benefit, with wide applicability, improve the competitiveness of product in market.
Description
Technical field
The application relates to technical field of mold, in particular to a kind of injection mold.
Background technique
The application belongs to the relevant technologies relevant to the application for the description of background technique, be only used for explanation and just
In the application content for understanding the application, it should not be construed as applicant and be specifically identified to or estimate applicant being considered the application for the first time
The prior art for the applying date filed an application.
Injection mold is a kind of processing method used when producing certain complex-shaped components in batches, is mainly used in industry
Field, the process of injection mold are that the injection raw material of heated thawing is injected die cavity by high pressure, after cooling and solidifying, are shaped
Product.
In the related technology, in metalwork injection moulding process, hardware is put into when being molded in mold, due to hardware and plastic cement
Mold is radian breaking sealing, has the presence of machining tolerance between the two to keep radian breaking not tight, injects in injection molding
Directly liquidate hardware and plastic cement die face sealing glue position of pressure generates peeling force and is slightly separated to form gap, is easy in the gap
The burr of product surface is formed, so-called burr refers to the nonuseable part that product edge position has more, because the part having more usually has
Point hurts hand, so being called batch cutting edge of a knife or a sword, is referred to as flash, overlap, overflow edge.This is very high for product appearance surface quality requirements
Sophisticated product will cause any undesirable influence, cause a large amount of the defect ware even generation of waste product, strong influence product
Quality causes the waste of raw material, improves the production cost of product.
Summary of the invention
The embodiment of the present application provides a kind of injection mold, for being molded to metalwork, comprising: the first template, institute
It states and is provided with the first half chambers in the first template；And second template, it is provided with the second half chambers in second template, described first
Half chamber and the second half chamber structure forming cavity, the protrusion of strip is provided in the cavity wall of the second half chamber, and the protrusion is adjacent
The injection molding edge of the metalwork is arranged.
Injection mold provided by the present application, in injection moulding process, the injection raw material of flowing is struck in protrusion, can reduce
Injection raw material can reduce the flowing velocity of high spot injection raw material to the impact force of metalwork, keep injection raw material slow
Injection molding edge full of metalwork can be improved the qualification rate of product, and then can reduce production so as to avoid the formation of batch cutting edge of a knife or a sword
The manufacturing cost of product, improves the competitiveness of product in market.
Optionally, the outer surface of the protrusion is arc.
Optionally, the height of the protrusion is 0.025mm~0.075mm.
Optionally, the height of the protrusion is 0.05mm.
Optionally, the width of the protrusion is 0.1mm~0.2mm.
Optionally, the width of the protrusion is 0.15mm.
Optionally, the distance between the protrusion and the injection molding edge of the metalwork are 0.05mm~0.1mm.
Optionally, the distance between the protrusion and the injection molding edge of the metalwork are 0.075mm.
Optionally, the junction between the protrusion and second template is arc transition.
Optionally, second template is an integral structure with the protrusion.
The additional aspect and advantage of the application will become obviously in following description section, or the practice for passing through the application
Recognize.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the application will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of an embodiment of herein described injection mold；
Fig. 2 is the broken section structural schematic diagram of herein described injection mold；
Fig. 3 is the broken section structural schematic diagram of structure shown in Fig. 2 and metalwork cooperation；
Fig. 4 is the enlarged structure schematic diagram of one embodiment of the portion A in Fig. 3；
Fig. 5 is the enlarged structure schematic diagram of another embodiment in the portion A in Fig. 3.
Wherein, the corresponding relationship between the appended drawing reference and component names of Fig. 1 to Fig. 5 are as follows:
First template 10, the second template 20, the second half chambers 21, protrusion 30, metalwork 40.
Specific embodiment
It is with reference to the accompanying drawing and specific real in order to be more clearly understood that the above objects, features, and advantages of the application
Mode is applied the application is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
Many details are explained in the following description in order to fully understand the application, still, the application may be used also
To be implemented using other than the one described here other modes, therefore, the protection scope of the application is not by described below
Specific embodiment limitation.
Following the discussion provides multiple embodiments of the application.Although each embodiment represents the single combination of application,
But the application difference embodiment can replace, or merge combination, therefore the application is it is also contemplated that comprising documented identical
And/or all possible combinations of different embodiments.Thus, if one embodiment includes A, B, C, another embodiment includes B
With the combination of D, then the application also should be regarded as including the every other possible combined realities of one or more containing A, B, C, D
Example is applied, although the embodiment may not have specific literature record in the following contents.
As shown in Figure 1, Figure 2 and Figure 3, injection mold provided by the embodiments of the present application includes: the first template 10 and second
Template 20.
The first half chambers are provided in first template 10.
It is provided with the second half chambers 21 in second template 20, the first half chambers and the second half 21 structure forming cavities of chamber.The second half chambers 21
Cavity wall on be provided with the protrusion 30 of strip, the injection molding edge setting of raised 30 adjacent metal parts 40.
Injection mold provided by the present application, in injection moulding process, the injection raw material of flowing is struck in protrusion 30, can be dropped
The flowing velocity of injection raw material at low raised 30 can reduce injection raw material to 40 impact force of metalwork, keep injection raw material slow
The slow injection molding edge full of metalwork 40, so as to avoid the impact between metalwork 40 and the second template 20 because of injection raw material
Power generate gap and caused by burr, and then can be improved the qualification rate of product, effectively avoid the defect ware even production of waste product
It is raw, the processing cost in later period is reduced, ensure that the total quality of injecting products, reduces the manufacturing cost of product, is created
Good economic benefit has been made, there is wide applicability, improve the competitiveness of product in market.
As shown in figure 4, the outer surface of protrusion 30 is arc in one embodiment of the application.
In this embodiment, the outer surface of raised 30 arcs plays drainage, after injection raw material strikes protrusion 30,
The injection molding edge of metalwork 40 is flowed to along the outer surface of protrusion 30, on the one hand, can make injection raw material more smoothly full of metal
The injection molding edge of part 40, can guarantee the quality of product, avoid the formation of injection defect；On the other hand, buffering is further functioned as
Effect, makes injection raw material slowly be full of the injection molding edge of metalwork 40, so as to avoid metalwork 40 and the second template 20 it
Between due to the impact force of injection raw material generates gap caused by burr, and then can be improved the qualification rate of product, effectively avoid
The defect ware even generation of waste product.
As shown in figure 4, the height H of protrusion 30 is 0.025mm~0.075mm in one embodiment of the application.
In this embodiment, on the one hand, the height H of protrusion 30 is less than 0.025mm, and the height of protrusion 30 is too low, protrusion 30
The flow velocity of injection raw material can not be reduced well, i.e., cannot reduce injection raw material well to 40 impact force of metalwork, thus
The burr for making generation gap between metalwork 40 and the second template 20 and being formed.On the other hand, the height H of protrusion 30 is greater than
The height of 0.075mm, protrusion 30 are too high, after injection raw material is around protrusion 30, cannot fill between full raised 30 and metalwork 40
Space, lead to the formation of injection defect.The height H of protrusion 30 can effectively drop in 0.025mm~0.075mm
Low injection raw material makes injection raw material slowly be full of the injection molding edge of metalwork 40 40 impact force of metalwork, so as to avoid
Between metalwork 40 and the second template 20 due to the impact force of injection raw material generates gap caused by burr, and then can be improved production
The qualification rate of product effectively avoids the defect ware even generation of waste product, reduces the processing cost in later period, ensure that injecting products
Total quality, reduce the manufacturing cost of product, create good economic benefit, have wide applicability, mention
The high competitiveness of product in market.In the alternative embodiment of the application, the height H of protrusion 30 is 0.05mm.
As shown in figure 4, the width D of protrusion 30 is 0.1mm~0.2mm in one embodiment of the application.
In this embodiment, on the one hand, the width D of protrusion 30 is less than 0.1mm, and protrusion 30 is too thin, and injection raw material is around excess convexity
The distance for playing 30 outer surface is shorter, can not reduce the flow velocity of injection raw material well, i.e., it is former cannot to reduce injection molding well
Material is to 40 impact force of metalwork, thus the burr for making generation gap between metalwork 40 and the second template 20 and being formed.Another party
Face, the width D of protrusion 30 are greater than 0.2mm, and protrusion 30 is too thick, and injection raw material is longer around the distance of the outer surface of protrusion 30, note
The flow velocity for moulding raw material is slower, cannot fill the space between full raised 30 and metalwork 40, lead to the formation of injection defect.Protrusion
30 width D can effectively can reduce injection raw material to 40 impact force of metalwork, keep injection molding former in 0.1mm~0.2mm
Material slowly be full of metalwork 40 injection molding edge, so as to avoid between metalwork 40 and the second template 20 because of injection raw material
Impact force generate gap and caused by burr, and then can be improved the qualification rate of product, effectively avoid defect ware even waste product
Generation, reduce the processing cost in later period, ensure that the total quality of injecting products, reduce the manufacturing of product at
This, creates good economic benefit, has wide applicability, improves the competitiveness of product in market.In the application can
It selects in embodiment, the width D of protrusion 30 is 0.15mm.
As shown in figure 4, in one embodiment of the application, the distance between the injection molding edge of protrusion 30 and metalwork 40
L is 0.05mm~0.1mm.
In this embodiment, on the one hand, distance L is less than 0.05mm between protrusion 30 and the injection molding edge of metalwork 40, convex
It plays that the distance between 30 and the edge of metalwork 40 L are smaller, influences the cooperation of the second template 20 and metalwork 40, lead to moulding
It is easy to appear defect.On the other hand, distance L is greater than 0.1mm, protrusion 30 and gold between protrusion 30 and the injection molding edge of metalwork 40
The distance between edge of category part 40 is larger, i.e., the space between protrusion 30 and metalwork 40 is larger, and injection raw material is around protrusion
After 30, since the space between protrusion 30 and metalwork 40 is larger, the flow velocity of injection raw material be will increase, and protrusion 30 can not be fine
Reduction injection raw material flow velocity, i.e., cannot reduce injection raw material well to 40 impact force of metalwork, to make metalwork 40
The burr for generating gap between the second template 20 and being formed.The distance between protrusion 30 and the injection molding edge of metalwork 40 L exist
In 0.05mm~0.1mm, it can effectively can reduce injection raw material to 40 impact force of metalwork, fill injection raw material slowly
The injection molding edge of full metalwork 40, so as to avoid the impact force generation between metalwork 40 and the second template 20 because of injection raw material
Gap and caused by burr, and then can be improved the qualification rate of product, effectively avoid the defect ware even generation of waste product, reduce
The processing cost in later period, ensure that the total quality of injecting products, reduces the manufacturing cost of product, create good
Economic benefit, have wide applicability, improve the competitiveness of product in market.It is convex in the alternative embodiment of the application
Playing the distance between 30 and the injection molding edge of metalwork 40 L is 0.075mm.
As shown in figure 5, the junction between protrusion 30 and the second template 20 is circular arc in one embodiment of the application
Transition.
In this embodiment, it avoids and forms wedge angle between protrusion 30 and the second template 20, on the one hand, make injection raw material more
Transition portion between the full protrusion 30 of good filling and the second template 20, to improve the qualification rate of product.On the other hand, it keeps away
The stress for having exempted from protrusion 30 and 20 transition portion of the second template is concentrated, to improve the company between protrusion 30 and the second template 20
Intensity is connect, ensure that the use reliability of product, and then increases the service life of product.
As shown in figure 5, the second template 20 is an integral structure with protrusion 30 in one embodiment of the application.
In this embodiment, the second template 20 is an integral structure with protrusion 30, on the one hand, increases protrusion 30 and second
Bonding strength between template 20 to ensure that the use reliability of product, and then increases the service life of product.It is another
Aspect, the second template 20 and protrusion 30 can integrally casting shaping, the first template 10 can be mass, to improve the life of product
Efficiency is produced, the manufacturing cost of product is thereby reduced.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those skilled in the art, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.Here without exhaustion.And the protection model that obvious changes or variations extended from this are created still in the application
Among enclosing
In this application, term " first ", " second " are only used for the purpose described, are not understood to indicate or imply phase
To importance；Term " multiple " then refers to two or more, unless otherwise restricted clearly.In this application, " connection ",
Terms such as " fixations " shall be understood in a broad sense, for example, " connection " can be connected by conducting wire, can also be connected by signal.It is right
For those skilled in the art, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
The above is only the specific embodiment of the application, is made skilled artisans appreciate that or realizing this Shen
Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments in the case where not departing from the application, design or range.Therefore the application
It is not intended to be limited to the embodiments shown herein, but is met consistent with the principles and novel features disclosed herein
Widest scope.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of injection mold, for being molded to metalwork characterized by comprising
First template is provided with the first half chambers in first template；And
Second template, is provided with the second half chambers in second template, the first half chamber and the second half chamber structure forming cavity,
It is provided with the protrusion of strip in the cavity wall of the second half chamber, the injection molding edge setting of the adjacent metalwork of the protrusion.
2. injection mold according to claim 1, which is characterized in that
The outer surface of the protrusion is arc.
3. injection mold according to claim 1, which is characterized in that
The height of the protrusion is 0.025mm~0.075mm.
4. injection mold according to claim 3, which is characterized in that
The height of the protrusion is 0.05mm.
5. injection mold according to claim 1, which is characterized in that
The width of the protrusion is 0.1mm~0.2mm.
6. injection mold according to claim 5, which is characterized in that
The width of the protrusion is 0.15mm.
7. injection mold according to claim 1, which is characterized in that
The distance between the protrusion and the injection molding edge of the metalwork are 0.05mm~0.1mm.
8. injection mold according to claim 7, which is characterized in that
The distance between the protrusion and the injection molding edge of the metalwork are 0.075mm.
9. injection mold according to claim 1, which is characterized in that
Junction between the protrusion and second template is arc transition.
10. injection mold according to claim 1, which is characterized in that
Second template is an integral structure with the protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910515252.0A CN110154316A (en) | 2019-06-14 | 2019-06-14 | Injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910515252.0A CN110154316A (en) | 2019-06-14 | 2019-06-14 | Injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110154316A true CN110154316A (en) | 2019-08-23 |
Family
ID=67628943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910515252.0A Pending CN110154316A (en) | 2019-06-14 | 2019-06-14 | Injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110154316A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6416317U (en) * | 1987-07-17 | 1989-01-26 | ||
| JPH0241221A (en) * | 1988-08-01 | 1990-02-09 | Daikyo Inc | Double injection molding method |
| JP2011009589A (en) * | 2009-06-29 | 2011-01-13 | Towa Corp | Resin sealing die, and resin sealing method |
| CN102244991A (en) * | 2010-05-11 | 2011-11-16 | 三星电机株式会社 | Case of electronic device having antenna pattern embedde therein, and mold therefor and method of manufacturing thereof |
-
2019
- 2019-06-14 CN CN201910515252.0A patent/CN110154316A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6416317U (en) * | 1987-07-17 | 1989-01-26 | ||
| JPH0241221A (en) * | 1988-08-01 | 1990-02-09 | Daikyo Inc | Double injection molding method |
| JP2011009589A (en) * | 2009-06-29 | 2011-01-13 | Towa Corp | Resin sealing die, and resin sealing method |
| CN102244991A (en) * | 2010-05-11 | 2011-11-16 | 三星电机株式会社 | Case of electronic device having antenna pattern embedde therein, and mold therefor and method of manufacturing thereof |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190823 |
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| RJ01 | Rejection of invention patent application after publication |