CN106827386A - Injection mold glue sealing structure - Google Patents
Injection mold glue sealing structure Download PDFInfo
- Publication number
- CN106827386A CN106827386A CN201710188962.8A CN201710188962A CN106827386A CN 106827386 A CN106827386 A CN 106827386A CN 201710188962 A CN201710188962 A CN 201710188962A CN 106827386 A CN106827386 A CN 106827386A
- Authority
- CN
- China
- Prior art keywords
- injection mold
- metal insert
- pin
- punch
- cavity plate
- 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.)
- Pending
Links
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
- B29C45/2608—Mould seals
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
This application discloses a kind of injection mold glue sealing structure; it includes the punch-pin, cavity plate and the metal insert that cooperate, be provided with the punch-pin or/and the cavity plate outwardly, extend linearly and with the seal convexity of the metal insert compression fit.The application can thoroughly solve the problems, such as that containing surface quality metal insert not high and metal insert the product of the sealing excessive glue at metal insert need to be participated in.
Description
Technical field
The application is related to injection mold field, and in particular to a kind of injection mold glue sealing structure.
Background technology
Injection moulding is a kind of commercial run for producing plastic cement products, is also up to the present in all production plastic cement
Most extensive and efficiency highest is used in the commercial run of product.Injection molding process is main complete by injection machine and injection mold
Into.
Shown in reference picture 1, the structure of injection mold from the point of view of most rough, can by injection mold be divided into cavity plate 2 with it is convex
1 two parts of mould.There is hollow region between cavity plate and punch-pin, for filling plastic cement with forming plastic cement product, this is hollow
Region is referred to as " die cavity ".The general principle of injection moulding is to be heated to plastic material more than its fusing point to melt it, and makes to melt
The plastic cement for melting is filled to die cavity b by runner a, treats that melt plastic cement is cooled down and solidified, and just forms the modeling of predetermined shape and size
Glue product.The die cavity of injection mold is at least combined and formed by two parts of cavity plate and punch-pin, so necessary between mold cavity component
There is the mating surface of close contact, die cavity is sealed, it is to avoid melt plastic cement overflows die cavity, and this is referred to as " sealing ".Mold cavity component it
Between the plane that contacts with each other or curved surface referred to as " sealing position ".
For the injection mold for producing conventional plastic product, sealing position must be by more accurate machining, to ensure envelope
Surface roughness, shape and the fit tolerance of glue position, reach the requirement that melt plastic cement can be fully sealed.However, some are produced
There are following several features in product：1st, metal insert is contained；2nd, metal insert participates in sealing；3rd, the surface quality of metal insert is not
Height, it is difficult to be fitted close with the face of other parts and seal die cavity.
Illustrated with the battery container of lead-acid accumulator.Metal positive and negative electrode terminal, some of which are generally carried on such product
Positive and negative electrode terminal is formed by gravity casting, thus its surface quality is very low, is extremely difficult to the requirement of sealing.The present invention is for solving
Certainly produce the sealing problem of the injection mold of such product.
Shown in reference picture 2 and Fig. 3, in figure there is certain gap in cavity plate 2 with the mating surface of metal insert 3, so as to cause liquid
The melt plastic cement of state is easy to be overflowed from the gap.
The content of the invention
The purpose of the application is：For producing containing surface quality metal insert not high, and metal insert participates in sealing
Product injection mold, do not changing plastic cement products structure, secondary operation metal insert, is not changed without or optimizes metal insert
Production technology on the premise of, by optimizing the partial structurtes of injection mold, prevent product excessive glue, run the problem of glue, and propose
A kind of injection mold glue sealing structure.
In order to achieve the above object, the technical scheme of the application is：
A kind of injection mold glue sealing structure, including punch-pin, cavity plate and the metal insert for cooperating, the punch-pin or/
Be provided with the cavity plate outwardly, extend linearly and with the seal convexity of the metal insert compression fit.
In some preferred embodiments of the application, it is convex that the punch-pin and the cavity plate are provided with the sealing
Rise.
In the other preferred embodiment of the application, the seal convexity is integrally formed at the punch-pin or the cavity plate
On.
In the other preferred embodiment of the application, the top of the seal convexity short transverse is tip.
In the other preferred embodiment of the application, the cross section of the seal convexity is triangular structure, and should
The a line of triangular structure is formed on the punch-pin or the cavity plate.
In the other preferred embodiment of the application, the cross section of the seal convexity is isosceles triangular structure, and
The drift angle of the isosceles triangular structure is perpendicularly oriented to the metal insert.
The beneficial effect of the application is：The application is provided with what metal insert coordinated on the punch-pin or cavity plate of injection mold
Seal convexity, for the note for containing the metal insert and metal insert surface quality product not high that need to participate in sealing for producing
Mould, it is not necessary to change plastic cement products structure, not secondary operation metal insert, is changed without or optimizes the production work of metal insert
Skill, but by improving glue sealing structure original on injection mold, thus solve product at metal insert excessive glue, run asking for glue
Topic.
Brief description of the drawings
Fig. 1 is the structure diagram of existing injection mold；
Fig. 2 is the schematic diagram of existing injection mold glue sealing structure；
Fig. 3 is the E positions enlarged drawing of Fig. 2；
Fig. 4 is the schematic diagram of injection mold glue sealing structure in the embodiment of the present application；
Fig. 5 is the F positions enlarged drawing of Fig. 4.
Wherein：A- runners, b- die cavities, c- sealings position, d- plastic cement, 1- punch-pin, 2- cavity plates, 3- metal inserts, 4- sealings are convex
Rise.
Specific embodiment
The application is described in further detail below by specific embodiment combination accompanying drawing.The application can be with various
Different forms is realized, however it is not limited to implementation method described by the present embodiment.The purpose of detailed description below is provided
It is easy for becoming apparent from present disclosure thorough explanation, the words of the wherein indicating position such as upper and lower, left and right is only pin
To shown structure in respective figure for position.
However, those skilled in the art may be aware that one or more detail description can be by
Omit, or can also be using other methods, component or material.In some instances, some implementation methods are not described
Or be not described later in detail.
Additionally, technical characteristic described herein, technical scheme can also in one or more embodiments arbitrarily closing
Suitable mode is combined.For a person skilled in the art, it is easy to understand with provided herein is embodiment relevant method
Step or operation order can also change.Therefore, any order in drawings and Examples is merely illustrative purposes, not secretly
Show requirement in a certain order, require unless expressly stated according to a certain order.
It is herein part institute serialization number itself, such as " first ", " second " etc. are only used for the object described by distinguishing,
Without any order or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, including directly and
It is indirectly connected with (connection).
Fig. 4 and Fig. 5 show a specific embodiment of this injection mold glue sealing structure of the application, with traditional sealing
Structure identical is that the glue sealing structure also includes the punch-pin 1, cavity plate 2 and the metal insert 3 that cooperate.
The key improvements of the present embodiment be wholely set on the cavity plate 2 outwardly and linear extend
, while seal convexity 4 with the compression fit of the metal insert 3.
Seal convexity 4 linearly extends, and refers to the string configuration that projection is linear, and it can be with according to actual needs
It is curvilinear structures, linear structure or meander line structure.
Here seal convexity 4 and cavity plate 2 are set and are structure as a whole, rather than split type fixed structure, be on the one hand for
Ensure the connective stability between seal convexity 4 and cavity plate 2, prevent the seal convexity 4 from being come off from cavity plate；On the other hand it is to protect
Card seal convexity 4 and the sealing of the junction of cavity plate 2, melt plastic cement is overflowed from therebetween when preventing practical application.
Shown in reference picture 5, the surface irregularity of metal insert 3, and the seal convexity 4 set on cavity plate 2 is pressed to and cut
The surface of metal insert, makes the cooperation of cavity plate 2 and metal insert 3 go out to be fully sealed, so that effectively blocking melt plastic cement d's overflows
Go out.
The top of the short transverse of seal convexity 4 is arranged to tip by the present embodiment, during practical application, the point of the seal convexity
The surface of the tangential metal insert 3 as cutting edge is held, sealing coordinates, so as to be further ensured that between cavity plate 2 and metal insert 3
Sealing.
It is specific that the cross section of above-mentioned seal convexity 4 is triangular structure in the present embodiment, and the triangular structure
A line is formed on cavity plate 2.One drift angle of triangular structure is above-mentioned cutting-edge structure.
Further, the cross section of seal convexity 4 is isosceles triangular structure, and the isosceles triangle in the present embodiment
The drift angle (tip) of structure vertical (and non-inclined) points to metal insert 3, so further improves the end of seal convexity 4
The ability on incision metal insert 3 surface.
It should be noted that because of the particularity of the present embodiment, without setting the sealing coordinated with metal insert 3 on punch-pin 1
Projection, therefore above-mentioned seal convexity 4 is provided with Fig. 4 and Fig. 5 only on cavity plate 2.And in some other embodiments, Wo Menke
Seal convexity only can be also provided with the corresponding site of punch-pin 1 according to actual needs, it is close between punch-pin and metal insert to strengthen
Feng Xing；It is likely to that seal convexity can be respectively provided with the corresponding component of punch-pin 1 and cavity plate 2, to improve cavity plate, punch-pin and metal simultaneously
Sealing between inserts.
Above content is to combine the further description that specific embodiment is made to the application, it is impossible to assert this Shen
Specific implementation please is confined to these explanations.For the application person of an ordinary skill in the technical field, do not taking off
On the premise of conceiving from the application, some simple deduction or replace can also be made.
Claims (6)
1. a kind of injection mold glue sealing structure, including punch-pin (1), cavity plate (2) and the metal insert (3) for cooperating, it is special
Levy and be, be provided with the punch-pin (1) or/and the cavity plate (2) outwardly, extend linearly and with the gold
Belong to the seal convexity (4) of inserts (3) compression fit.
2. injection mold glue sealing structure as claimed in claim 1, it is characterised in that the punch-pin (1) and described recessed
Mould (2) is provided with the seal convexity (4).
3. injection mold glue sealing structure as claimed in claim 1, it is characterised in that the seal convexity (4) is integrally formed
In on the punch-pin (1) or the cavity plate (2).
4. injection mold glue sealing structure as claimed in claim 1, it is characterised in that seal convexity (4) short transverse
Top for tip.
5. the injection mold glue sealing structure that claim 4 is stated, it is characterised in that the cross section of the seal convexity (4) is three
Angular structure, and a line of the triangular structure is formed on the punch-pin (1) or the cavity plate (2).
6. the injection mold glue sealing structure that such as claim 5 is stated, it is characterised in that the cross section of the seal convexity (4) is
Isosceles triangular structure, and the drift angle of the isosceles triangular structure is perpendicularly oriented to the metal insert (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710188962.8A CN106827386A (en) | 2017-03-27 | 2017-03-27 | Injection mold glue sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710188962.8A CN106827386A (en) | 2017-03-27 | 2017-03-27 | Injection mold glue sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106827386A true CN106827386A (en) | 2017-06-13 |
Family
ID=59129601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710188962.8A Pending CN106827386A (en) | 2017-03-27 | 2017-03-27 | Injection mold glue sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106827386A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367048A (en) * | 2017-08-31 | 2017-11-21 | 广东美的制冷设备有限公司 | grid filter screen and air conditioner |
| CN108544719A (en) * | 2018-05-14 | 2018-09-18 | 诺兰特移动通信配件（北京）有限公司 | Rubber injection mold method containing metal insert and mold |
| CN108582677A (en) * | 2018-06-07 | 2018-09-28 | 苏州好特斯模具有限公司 | Overflow-type injection mold |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203141756U (en) * | 2013-01-14 | 2013-08-21 | 东莞华清光学科技有限公司 | Glue overflow preventing structure of silica gel injection mould |
| CN204471725U (en) * | 2014-12-31 | 2015-07-15 | 深圳市鼎盛达模具发展有限公司 | The glue sealing structure of magnesium alloy plate injection moulding is put in mould |
| CN206011605U (en) * | 2016-08-30 | 2017-03-15 | 苏州埃博斯电气有限公司 | A kind of sealing structure of liquid silica gel injection |
-
2017
- 2017-03-27 CN CN201710188962.8A patent/CN106827386A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203141756U (en) * | 2013-01-14 | 2013-08-21 | 东莞华清光学科技有限公司 | Glue overflow preventing structure of silica gel injection mould |
| CN204471725U (en) * | 2014-12-31 | 2015-07-15 | 深圳市鼎盛达模具发展有限公司 | The glue sealing structure of magnesium alloy plate injection moulding is put in mould |
| CN206011605U (en) * | 2016-08-30 | 2017-03-15 | 苏州埃博斯电气有限公司 | A kind of sealing structure of liquid silica gel injection |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367048A (en) * | 2017-08-31 | 2017-11-21 | 广东美的制冷设备有限公司 | grid filter screen and air conditioner |
| CN108544719A (en) * | 2018-05-14 | 2018-09-18 | 诺兰特移动通信配件（北京）有限公司 | Rubber injection mold method containing metal insert and mold |
| CN108544719B (en) * | 2018-05-14 | 2023-12-22 | 诺兰特移动通信配件（北京）有限公司 | Rubber injection molding method and mold containing metal inserts |
| CN108582677A (en) * | 2018-06-07 | 2018-09-28 | 苏州好特斯模具有限公司 | Overflow-type injection mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170613 |
|
| RJ01 | Rejection of invention patent application after publication |