CN105946184B - A kind of running gate system of injection mold - Google Patents
A kind of running gate system of injection mold Download PDFInfo
- Publication number
- CN105946184B CN105946184B CN201610486305.7A CN201610486305A CN105946184B CN 105946184 B CN105946184 B CN 105946184B CN 201610486305 A CN201610486305 A CN 201610486305A CN 105946184 B CN105946184 B CN 105946184B
- Authority
- CN
- China
- Prior art keywords
- runner
- section
- release
- sprue
- glue
- 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.)
- Active
Links
- 238000002347 injection Methods 0.000 title claims abstract description 15
- 239000007924 injection Substances 0.000 title claims abstract description 15
- 239000003292 glue Substances 0.000 claims abstract description 47
- 238000009792 diffusion process Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 46
- 238000004513 sizing Methods 0.000 abstract description 42
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229940025703 topical product Drugs 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
-
- 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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- 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
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2703—Means for controlling the runner flow, e.g. runner switches, adjustable runners or gates
- B29C45/2704—Controlling the filling rates or the filling times of two or more mould cavities by controlling the cross section or the length of the runners or the gates
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Coating Apparatus (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of running gate systems of injection mold, including die main body, the road Zhu Jiao, sprue, runner, release packet and connection runner and the overlap joint bridge for discharging packet；The road Zhu Jiao is built in die main body vertically, and sprue, runner, release Bao Jun are built in die main body；Sprue one end is connected to the lower end in the road Zhu Jiao, and the other end is connected to runner；The side that close runner is wrapped in release is connected to by the overlap joint bridge with runner, is discharged and is wrapped the side far from runner equipped with being connected to part die cavity into glue section, sprue, runner, release wrap and is connected to S-shaped runway into glue section.The present invention makes sizing material flow through sprue with sinuous portion, runner, release packet and into glue section, and by with inner wall before overlap joint bridge, discharge after the shock reflection of packet inner wall in S first class diameter into glue, to reach release runner stress, slow down sizing material into glue flow velocity, enables sizing material gently into the effect in part die cavity.
Description
Technical field
The invention belongs to Design and Manufacture of Plastic Injection Mould technical field more particularly to a kind of running gate systems of injection mold.
Background technique
Injection mold is a kind of tool for producing plasthetics；Also plasthetics complete structure and accurate dimension are to confer to
Tool.Injection molding is a kind of processing method used when producing certain complex-shaped components in batches, refers specifically to melt heated
Material die cavity is injected by high pressure, after cooling and solidifying, obtain formed products.
Although the structure of mold is due to the type of plastics variety and performance, the shape of plastic products and structure and injector
May be ever-changing Deng different, but basic structure is consistent.Mold is mainly by running gate system, thermoregulating system, molding zero
Part and constitutional detail composition.Wherein running gate system and forming part be with the direct contact portion of plastics, and with plastics and product and
Variation is most complicated in mold, variation maximum, it is desirable that processing finish and the highest part of precision.
Running gate system is also known as flow passage system, it is to lead to plastic melt by one group of charging that nozzle of injector guides type chamber into
Road is usually made of sprue, runner, cast gate and cold slug well.It is directly related to the Forming Quality and production of plastic products
Efficiency.
In existing running gate system, sprue, runner etc. are straight channel, flow velocity of plastic melt during into glue
Fastly, larger into the impact force in forming part die cavity, it be easy to cause, especially some product thicknesses unevenness uneven into glue
Even, topical product thickness far beyond the product of average thickness die casting system, according to existing running gate system into glue side
Formula, it is difficult to ensure that product quality, causes production process greatly to waste.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide a kind of running gate systems of injection mold, delay
The impact force of sizing material is rushed, sizing material flow velocity is gentle, uniform into glue.
The purpose of the present invention is implemented with the following technical solutions：
A kind of running gate system of injection mold, including die main body, the road Zhu Jiao, sprue, runner, release packet and be connected to
The overlap joint bridge of runner and release packet；The road Zhu Jiao is built in die main body vertically, and sprue, discharges built in Bao Jun runner
In die main body；Sprue one end is connected to the lower end in the road Zhu Jiao, and the other end is connected to runner；Release is wrapped close to runner
Side be connected to runner by the overlap joint bridge, the side of the separate runner of release packet equipped be connected to part die cavity into
Glue section, sprue, runner, release wrap and are connected to S-shaped runway into glue section.
Preferably, sprue has sinuous portion, and the master close to runner is lower than close to the sprue one end in the road Zhu Jiao
Runner one end.
Preferably, the overlap joint bridge has the first front end rigion and first rear end section opposite with the first front end rigion, before first
End section and the first rear end section are hollow structure and are interconnected, and the first rear end section is connected to runner, the first front end rigion overlap joint
Surface is wrapped in release, the first front end rigion lower surface offers the glue-feeder being connected to release packet.
Preferably, the first rear end section area of section that the overlap joint bridge is connected to runner is less than runner area of section.
Preferably, described that there is the second front end rigion and second rear end section opposite with the second front end rigion into glue section, before second
End section and the second rear end section are hollow structure and are interconnected；Second rear end section is overlapped on the upper surface of release packet, following table
Face offers the gum outlet being connected to release packet；Second front end rigion accesses in part die cavity.
Preferably, described to wrap that overlapped into glue section and release packet overlapped position and overlap joint bridge position is diagonally right with discharging
It answers.
Preferably, second front end rigion into glue section access part die cavity is in the horn-like of diffusion.
Compared with prior art, the beneficial effects of the present invention are：
The release packet being connected to runner is arranged in the present invention, and stress of the sizing material in runner can be made to be released, will be led
Runner is set as irregular bending runway, and sizing material can be buffered after so that sizing material is flowed through sprue into the flow velocity of glue, sizing material is allowed to exist
There is certain buffering in runner, sizing material flow velocity is uniform, in addition, making dropping into glue speed for sizing material in the horn-like of diffusion into glue section
It is low, achieve the effect that gently into glue；The present invention is easier just solved when being molded debugging to be produced because product thickness is uneven
The bad orders defects such as raw product surface reprints books in a reduce format, product colloidal sol mark, product surface ripple, reduce material loss, are promoted
Production efficiency solves production technology and debugs the injection molding problem that cann't be solved.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the invention.
Fig. 2 is partial enlargement structural representation at the A in Fig. 1.
Fig. 3 is the schematic diagram that the present invention is flowed into glue part.
In figure：1, die main body；2, the road Zhu Jiao；3, sprue；4, runner；5, bridge is overlapped；51, the first front end rigion；52,
Glue-feeder；53, the first rear end section；6, release packet；7, into glue section；71, the second rear end section；72, gum outlet；73, the second front end rigion；
8, part die cavity；9, sinuous portion.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention：
The running gate system of the injection mold as shown in Fig. 1~2, including die main body 1, the road Zhu Jiao 2, sprue 3, runner
4, the overlap joint bridge 5 of release packet 6 and connection runner 4 and release packet 6；The road Zhu Jiao 2 is built in vertically in die main body 1, sprue
3, runner 4, release packet 6 are built in die main body 1；3 one end of sprue is connected to the lower end in the road Zhu Jiao 2, the other end with
Runner 4 is connected to；Release packet 6 is connected to by the overlap joint bridge 5 with runner 4 close to the side of runner 4, and release packet 6 is separate
The side of runner 4 be equipped be connected to part die cavity 8 into glue section 7, sprue 3, runner 4, release wrap 6 and into glue sections 7
It is connected to S-shaped runway.
The runner designed using the present invention, the upper port in the road Zhu Jiao 2 inject sizing material, and sizing material flows through the road Zhu Jiao 2, sprue
Enter runner 4 after 3, and flowed into release packet 6 from the overlap joint bridge 5 on runner 4, sizing material flows through the road Zhu Jiao 2,3 and of sprue
Runner 4, it is S-shaped into glue route, be effectively reduced sizing material into glue flow velocity, can reduce secondly, sizing material enters in release packet 6
Sizing material into glue laminated power, sizing material is discharged in the stress generated close to flow path wall because cooling velocity is fast with this, last sizing material is to put down
Slow flow velocity flows into part die cavity 8 from into glue section 7, is uniformly filled in part die cavity 8, completes into glue.
Further, sprue 3 has sinuous portion 9, and 3 one end of sprue close to the road Zhu Jiao 2 is lower than close to runner 4
3 one end of sprue, to flow through the road the Zhu Jiao faster sizing material of 2 flow velocity when flowing through sinuous portion 9, by lower sprue
The climbing of 3 one end flows to higher 3 one end of sprue, and for buffering sizing material into the flow velocity of glue, the sizing material flow velocity after flowing through sprue 3 is flat
It is slow.
Further, the overlap joint bridge 5 has the first front end rigion 51 and first rear end section 53 opposite with the first front end rigion 51,
First front end rigion 51 and the first rear end section 53 are hollow structure and are interconnected, and the first rear end section 53 is connected to runner 4, the
One front end rigion 51 is overlapped on 6 upper surfaces of release packet, and 51 lower surface of the first front end rigion offers the glue-feeder being connected to release packet 6
52；As shown in figure 3, when keeping the sizing material of very fast flow velocity to flow into the of overlap joint bridge 5 from runner 4 first when flowing through overlap joint bridge 5
It in one rear end section 53, then collides on 51 inner wall of the first front end rigion of overlap joint bridge 5, is then reflected through 51 inner wall of the first front end rigion
Sizing material afterwards is by 52 directive of glue-feeder release 6 inner walls of packet, and after multiple reflections, sizing material not only has full of entire release packet 6
Effect has buffered the flow velocity of sizing material, and discharge packet 6 reduce sizing material into glue laminated power, discharge sizing material close to flow path wall because of cooling
The stress that speed is fast and generates.
Further, 53 area of section of the first rear end section that the overlap joint bridge 5 is connected to runner 4 is less than 4 section of runner
Area, it is 4 area of section of runner that the present embodiment, which chooses 53 area of section of the first rear end section that overlap joint bridge 5 is connected to runner 4,
One third, acceleration pressurization can be carried out to sizing material, make sizing material collide overlap joint bridge 5 preceding inner wall, sizing material is broken up, glue is avoided
Material flows facing one direction.
It is further, described that there is the second front end rigion 73 and second rear end section 71 opposite with the second front end rigion 73 into glue section 7,
Second front end rigion 73 and the second rear end section 71 are hollow structure and are interconnected；Second rear end section 71 is overlapped on release packet 6
Upper surface, lower surface offer the gum outlet 72 being connected to release packet 6；Second front end rigion 73 accesses in part die cavity 8, release
Glue in packet 6 is impinged upon by gum outlet 72 on 71 inner wall of the second rear end section of glue section 7, can not only be broken up sizing material,
And the flow velocity of sizing material can be buffered, with gentle flow velocity even into part die cavity 8 when making sizing material by into glue section 7.
Further, described to wrap 6 overlapped that position is diagonal with discharging into glue section 7 and 6 overlapped position of release packet and overlap joint bridge 5
It is corresponding, extend the flow path of sizing material, so that sizing material sufficiently discharges stress.
Further, described to access the second front end rigion 73 in part die cavity 8 in the horn-like of diffusion into glue section 7, make sizing material
Entered in part die cavity 8 in the form of diffusion, with reduce sizing material into glue speed, achieve the effect that gently into glue.
As shown in figure 3, sizing material flows through sprue 3 with sinuous portion 9, runner 4, release packet 6 and into glue section
7, and by inner wall with overlap joint 5 first front end rigion 51 of bridge, release 6 inner walls of packet and into 71 inner wall of the second rear end section of glue section 7
Shock reflection, make sizing material flows through track in S shape, to reach release sizing material runner stress, slows down sizing material into glue flow velocity, makes glue
Material can gently enter the effect in part die cavity 8.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection scope of the claims in the present invention
Within.
Claims (6)
1. a kind of running gate system of injection mold, it is characterised in that：Including die main body, the road Zhu Jiao, sprue, runner, release
It puts packet and is connected to the overlap joint bridge of runner and release packet；The road Zhu Jiao is built in die main body vertically, and sprue, is released runner
Bao Jun is put to be built in die main body；Sprue one end is connected to the lower end in the road Zhu Jiao, and the other end is connected to runner；Release packet
It is connected to by the overlap joint bridge with runner close to the side of runner, release is wrapped the side far from runner and is equipped with and part mould
Chamber connection into glue section, sprue, runner, release packet and be connected to S-shaped runway into glue section；
Sprue has sinuous portion, and sprue one end close to the road Zhu Jiao is lower than close to sprue one end of runner.
2. the running gate system of injection mold according to claim 1, it is characterised in that：The overlap joint bridge has the first front end
Section and first rear end section opposite with the first front end rigion, the first front end rigion and the first rear end section are hollow structure and mutually interconnect
Logical, the first rear end section is connected to runner, and the first front end rigion is overlapped on release and wraps surface, and the first front end rigion lower surface offers
The glue-feeder being connected to release packet.
3. the running gate system of injection mold according to claim 2, it is characterised in that：The overlap joint bridge is connected to runner
The first rear end section area of section be less than runner area of section.
4. the running gate system of injection mold according to claim 1, it is characterised in that：It is described that there is the second front end into glue section
Section and second rear end section opposite with the second front end rigion, the second front end rigion and the second rear end section are hollow structure and mutually interconnect
It is logical；Second rear end section is overlapped on the upper surface of release packet, and lower surface offers the gum outlet being connected to release packet；Second front end
In section access part die cavity.
5. the running gate system of injection mold according to claim 1, it is characterised in that：It is described to be overlapped into glue section and release packet
Position wrap that overlapped that position is diagonally corresponding with overlap joint bridge and release.
6. the running gate system of injection mold according to claim 4, it is characterised in that：It is described to access part die cavity into glue section
The second interior front end rigion is horn-like in diffusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486305.7A CN105946184B (en) | 2016-06-24 | 2016-06-24 | A kind of running gate system of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486305.7A CN105946184B (en) | 2016-06-24 | 2016-06-24 | A kind of running gate system of injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105946184A CN105946184A (en) | 2016-09-21 |
| CN105946184B true CN105946184B (en) | 2018-11-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610486305.7A Active CN105946184B (en) | 2016-06-24 | 2016-06-24 | A kind of running gate system of injection mold |
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| Country | Link |
|---|---|
| CN (1) | CN105946184B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827317B (en) * | 2017-02-22 | 2019-07-02 | 佛山市顺德区百年科技有限公司 | Molding mold cavity step processing method and injection mold |
| CN107791460B (en) * | 2017-11-24 | 2024-02-20 | 浙江赛豪实业有限公司 | Injection mold with built-in mixed flow |
| CN111391240A (en) * | 2019-11-05 | 2020-07-10 | 宁波贝隆精密模塑有限公司 | Accurate injection mold of cell-phone camera base |
| CN113715270A (en) * | 2021-08-31 | 2021-11-30 | 惠州市盈旺精密技术有限公司 | Advance gluey component and have its mould and injection molding machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0457166A2 (en) * | 1990-05-17 | 1991-11-21 | Jobst Ulrich Gellert | Injection molding cast manifold |
| CN101927554A (en) * | 2009-06-26 | 2010-12-29 | 鸿富锦精密工业（深圳）有限公司 | Die |
| CN102935698A (en) * | 2012-11-08 | 2013-02-20 | 凡嘉科技（无锡）有限公司 | One-model-dual-cavity runner structure of polystyrene product |
| CN204914438U (en) * | 2015-05-27 | 2015-12-30 | 东莞市三梯模具有限公司 | Train transparent cover casting mold |
| CN205735838U (en) * | 2016-06-24 | 2016-11-30 | 广州新晖汽车零部件有限公司 | A kind of running gate system of injection mold |
-
2016
- 2016-06-24 CN CN201610486305.7A patent/CN105946184B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0457166A2 (en) * | 1990-05-17 | 1991-11-21 | Jobst Ulrich Gellert | Injection molding cast manifold |
| CN101927554A (en) * | 2009-06-26 | 2010-12-29 | 鸿富锦精密工业（深圳）有限公司 | Die |
| CN102935698A (en) * | 2012-11-08 | 2013-02-20 | 凡嘉科技（无锡）有限公司 | One-model-dual-cavity runner structure of polystyrene product |
| CN204914438U (en) * | 2015-05-27 | 2015-12-30 | 东莞市三梯模具有限公司 | Train transparent cover casting mold |
| CN205735838U (en) * | 2016-06-24 | 2016-11-30 | 广州新晖汽车零部件有限公司 | A kind of running gate system of injection mold |
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| Publication number | Publication date |
|---|---|
| CN105946184A (en) | 2016-09-21 |
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