CN206406378U - A kind of running gate system of multiple flow passages - Google Patents
A kind of running gate system of multiple flow passages Download PDFInfo
- Publication number
- CN206406378U CN206406378U CN201720057380.1U CN201720057380U CN206406378U CN 206406378 U CN206406378 U CN 206406378U CN 201720057380 U CN201720057380 U CN 201720057380U CN 206406378 U CN206406378 U CN 206406378U
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- CN
- China
- Prior art keywords
- runner
- sprue
- solid plate
- mold frame
- top mold
- 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.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model is related to injection mold technical field, in particular disclose a kind of running gate system of multiple flow passages, including top mold frame, solid plate and moving platen, also include the first sprue for transporting molten material, at least one first runner and at least one second runner for shunting fused materials, the sprue is through the top mold frame, one end of the sprue is connected with the nozzle of injection machine, the other end of the sprue is connected with the first runner, first runner includes being arranged at end face of the solid plate close to top mold frame, one end of first runner is connected with the second runner, second runner is through the solid plate, described second runner one end is connected with die cavity, beneficial effect：Enter die cavity by sizing material direction is changed by runner positioned at the sizing material of mold center, for glue position uneven thickness in die cavity, by glue-feeder design in the thicker place of sizing material, be conducive to sizing material to be full of die cavity, improve glue part qualification rate.
Description
Technical field
The utility model is related to injection mold technical field, in particular discloses a kind of running gate system of multiple flow passages.
Background technology
Injection mold is the tooling device used in plastic injection moulding process, and it is mainly used in molded thermoplastic's system
Product.Injection mold is made up of moving platen and solid plate two large divisions, and moving platen is arranged on the moving platen plate of injector, solid plate
On the solid plate plate of injector, dynamic, solid plate is closed under injector driving before injection, forms die cavity and cast is
System, it is all that plastic melt injects die cavity by running gate system that injector, which will have been plastified, after cooled and solidified, is moved, solid plate is opened,
Mould emptier releases plastic cement, completes the injection moulding action of a workpiece.
The running gate system of injection mold be plastic cement molten mass after the nozzle of injector comes out, reach die cavity before in mould
Middle flowed through passage, wherein, cast gate is the important feature in running gate system, for the plastic parts of symmetric form, running gate system
Runner distribution is little full of die cavity influence on sizing material, but for the plastic parts of asymmetrical type, existing running channel design then can be right
Sizing material produces harmful effect full of die cavity, when the wall thickness difference of plastic is larger, the stream of irrational running channel design influence sizing material
Dynamic property, difficulty or ease ensure to be filled with whole die cavity, influence product qualification rate.
The content of the invention
In order to overcome shortcoming and defect present in prior art, the purpose of this utility model is to provide a kind of multiple flow passages
Running gate system.
To achieve the above object, the running gate system of a kind of multiple flow passages of the present utility model, including top mold frame and top mold frame connect
The solid plate and moving platen connect, the technical characteristic that the utility model is different from prior art is：Also include being used for transporting molten thing
The first sprue, at least one first runner and at least one second runner for shunting fused materials of material, it is described
Sprue is connected through the top mold frame, one end of the sprue with the nozzle of injection machine, the other end of the sprue
Connected with the first runner, first runner includes being arranged at end face of the solid plate close to top mold frame, first shunting
The one end in road is connected with the second runner, second runner through the solid plate, described second runner one end with
Die cavity is connected, and first runner is four.
Further, first runner is oval, the upper end of the oval central shaft and the solid plate
Face is overlapped.
Further, second runner is four.
Further, in addition to the first thermal insulation board for being arranged between top mold frame and solid plate, first thermal insulation board is set
The second sprue run through up and down is equipped with, the two ends of second sprue are respectively communicated with the first sprue and the first runner.
Further, in addition to the slag well of the solid plate is arranged at, the slag well is located at the master of injection molding machine nozzle
On axis, the slag well is connected with the first runner.
The beneficial effects of the utility model：By the running gate system of the utility model structure, by positioned at the glue of mold center
Material changes sizing material direction by runner and enters die cavity, for glue position uneven thickness, especially asymmetrically distributed plastic cement in die cavity
Part shaping is extremely important, meets the asymmetrically distributed forming plastic pieces condition of wall thickness.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is runner system facade distribution schematic diagram of the present utility model；
Fig. 3 is runner system plane distribution schematic diagram of the present utility model.
Reference includes：
1-top mold frame, 2-solid plate, 3-moving platen
4-the first sprue the 42-the second runner of the 41-the first runner
The sprue of the thermal insulation board of 43-slag well 5-the first 6-the second.
Embodiment
For the ease of the understanding of those skilled in the art, further is made to the utility model with reference to embodiment and accompanying drawing
Explanation, the content that embodiment is referred to not to it is of the present utility model limit.
Refer to Fig. 1 and Fig. 2, a kind of running gate system of multiple flow passages of the present utility model, including top mold frame 1, solid plate 2 and
Moving platen 3, in addition to the first sprue 4 for transporting molten sizing material, for shunt melting sizing material at least one first point
Runner 41 and at least one second runner 42, the sprue 4 through the top mold frame 1, one end of the sprue 4 with
The nozzle connection of injection machine, the other end of the sprue 4 is connected with the first runner 41, and first runner 41 includes setting
End face of the solid plate 2 close to top mold frame 1 is placed in, one end of first runner 41 is connected with the second runner 42, described
Two runners 42 are connected through the solid plate 2, described one end of second runner 42 with die cavity.
In the present embodiment, top mold frame 1 is provided with the first sprue 4, the first sprue runs through top mold frame 1 about 4, fixed
The upper surface of template 3 is provided with the first runner 41 of elliptical slot, and the second runner run through up and down is provided with solid plate 3
42, the second runner 42 is arranged in the elliptical slot of the first runner 41, and melting sizing material enters first by the first sprue 4
Runner 41, subsequently enters the second runner 42, finally enters die cavity.
By the running gate system of the utility model structure, sizing material direction will be changed by runner positioned at the sizing material of mold center
Into die cavity, for glue position uneven thickness in die cavity, especially asymmetrically distributed forming plastic pieces are extremely important, meet wall thickness
Asymmetrically distributed forming plastic pieces condition.
Fig. 2 and Fig. 3 are referred to, first runner 41 is four, and second runner 42 is four.
In the present embodiment, specifically, first runner 41 is oval, the oval central point with it is described fixed
The upper surface of template 2 is overlapped.
Referring to Fig. 1, also including the first thermal insulation board 5 being arranged between top mold frame 1 and solid plate 2, described first is heat-insulated
Plate 5 is provided with the second sprue 6 run through up and down, and the two ends of second sprue 6 are respectively communicated with the first sprue 4 and first
Runner 41.
In the present embodiment, the first thermal insulation board 5 is additionally provided with, the first thermal insulation board 5 is arranged between top mold frame 1 and solid plate 2,
Reduce the transmission of heat between top mold frame 1 and solid plate 2, using the temperature constant state of solid plate 2, keep sizing material full of die cavity into
Type temperature.
Referring to Fig. 2, also including the slag well 43 for being arranged at the solid plate 2, the slag well 43 sprays positioned at injection machine
On the main shaft of mouth, the slag well 43 is connected with the first runner 41, and the sizing material for initially entering running gate system is referred to as cold burden,
Once into die cavity, influenceing formed product effect, this part sizing material enters slag well 43, it is to avoid shadow of the unqualified sizing material to product
Ring.
Above content is only preferred embodiment of the present utility model, for one of ordinary skill in the art, according to this reality
With new thought, it will change in specific embodiments and applications, this specification content should not be construed as
To limitation of the present utility model.
Claims (5)
1. a kind of running gate system of multiple flow passages, including top mold frame（1）With top mold frame（1）The solid plate of connection（2）And moving platen
（3）, it is characterised in that also including the first sprue for transporting molten material（4）, for shunt fused materials at least one
Individual first runner（41）And at least one second runner（42）；
The sprue（4）Through the top mold frame（1）, the sprue（4）One end connected with the nozzle of injection machine, institute
State sprue（4）The other end and the first runner（41）Connection；
First runner（41）Including being arranged at solid plate（2）Close to top mold frame（1）End face, first runner
（41）One end and the second runner（42）Connection；
Second runner（42）Through the solid plate（2）, second runner（42）One end is connected with die cavity；
First runner（41）For four.
2. the running gate system of multiple flow passages according to claim 1, it is characterised in that：First runner（41）In ellipse
Shape, the oval central point and the solid plate（2）Upper surface overlap.
3. the running gate system of multiple flow passages according to claim 2, it is characterised in that：Second runner（42）For four
It is individual.
4. the running gate system of multiple flow passages according to claim 1, it is characterised in that：Also include being arranged at top mold frame（1）With
Solid plate（2）Between the first thermal insulation board（5）, first thermal insulation board（5）It is provided with the second sprue run through up and down（6）,
Second sprue（6）Two ends be respectively communicated with the first sprue（4）And first runner（41）.
5. the running gate system of multiple flow passages according to claim 1, it is characterised in that：Also include being arranged at the solid plate
（2）Slag well（43）, the slag well（43）On the main shaft of injection molding machine nozzle, the slag well（43）With first point
Runner（41）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720057380.1U CN206406378U (en) | 2017-01-18 | 2017-01-18 | A kind of running gate system of multiple flow passages |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720057380.1U CN206406378U (en) | 2017-01-18 | 2017-01-18 | A kind of running gate system of multiple flow passages |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206406378U true CN206406378U (en) | 2017-08-15 |
Family
ID=59555758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720057380.1U Expired - Fee Related CN206406378U (en) | 2017-01-18 | 2017-01-18 | A kind of running gate system of multiple flow passages |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206406378U (en) |
-
2017
- 2017-01-18 CN CN201720057380.1U patent/CN206406378U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170815 Termination date: 20200118 |