CN202781678U - Novel mould pouring structure - Google Patents
Novel mould pouring structure Download PDFInfo
- Publication number
- CN202781678U CN202781678U CN 201220463066 CN201220463066U CN202781678U CN 202781678 U CN202781678 U CN 202781678U CN 201220463066 CN201220463066 CN 201220463066 CN 201220463066 U CN201220463066 U CN 201220463066U CN 202781678 U CN202781678 U CN 202781678U
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- CN
- China
- Prior art keywords
- runner
- cavity
- sprue
- sprue channel
- branch
- 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 discloses a novel mould pouring structure comprising a main runner, a branch runner and a sprue runner for connecting the branch runner and a die cavity. The novel mould pouring structure is characterized in that the sprue runner is provided with an irregular cavity, and the wall surface of the cavity is provided with depressions or bulges. Through increasing the pipe wall area of the sprue runner, the instantaneous flow acceleration for glue introduction is slowed down, the impact pressure to part of the sprue runner during glue introduction is reduced, and a mould is prevented from deforming.
Description
Technical field
The utility model belongs to the Mould Machining field, specifically a kind of novel die casting structure.
Background technology
Cast gate claims again charging aperture, it is the narrow and small port between runner and the die cavity on the mould, also be the shortest and the smallest part, its effect is to make the material sizing material of melting produce acceleration when advancing die cavity, is conducive to be full of rapidly die cavity, cast gate plastics elder generation condensation after the moulding, with near closed hollow ring, prevent that molten plastic from flowing backwards, it is too fast to avoid cavity pressure to descend, so that produce shrinkage cavity or depression at goods, be convenient to make the solidifying material of cast to separate with goods after the moulding.The ox horn type that rectangle, cylindrical or convergent are arranged of sprue channel commonly used, runner be the cavity of rule variation substantially.But the situation that cast gate is easy to deform is worked as in the situation that the sizing material temperature is higher, the sizing material acceleration is large in existing cast gate design.In the process of carrying out double-material injection-molding, rear a kind of material is when advancing glue, and its instantaneous impulse force that sprays into die cavity also can impact distortion in type material before sometimes, produces the situation of dizzy line or depression.
Summary of the invention
Technical purpose of the present utility model provides a kind of defective that overcomes prior art, provides a kind of and can slow down into the new mould pours structure of glue acceleration, reduction glue mouth pressurized.
The technical solution of the utility model is:
A kind of the new mould pours structure comprises sprue, branch's runner and the sprue channel that is connected described branch runner and die cavity, it is characterized in that described sprue channel has irregular cavity, and the wall of described cavity is provided with depression or projection.
The middle part of described sprue channel is provided with one section buffering adapter cavity, the interface that arbitrary cross section of described buffering adapter cavity is connected with the branch runner greater than sprue channel at least.
The outer cooling water channel that is arranged with of described sprue channel.
Described depression and projection are curved surface shape or being combined to form for domatic and plane.
Behind the mould matched moulds, the beginning injection moulding, plastic cement enters the product die cavity through runner, begin to accelerate after colloid flows into sprue channel, irregular sprue channel has increased the compression area of runner cavity, and its high spot can play the effect that stops colloid, its recess or be called buffering area and can postpone colloid and go out flow and speed into glue point, when double-material injection-molding, reduced laggard material to the instantaneous impulse force of molded material, improve the yields of product.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
In order to illustrate the technical solution of the utility model and technical purpose, below in conjunction with the drawings and the specific embodiments the utility model is done further introduction.
As shown in the figure, a kind of the new mould pours structure, comprise sprue, branch's runner and the sprue channel 1 that is connected described branch runner and die cavity, described sprue channel 1 has irregular cavity, the wall of described cavity is provided with and caves in or projection, and described depression and projection are curved surface shape or being combined to form for domatic and plane.
As described in Figure 1, the middle part of described sprue channel 1 is provided with one section buffering adapter cavity, and described buffering adapter cavity is to being recessed on, after colloid enters, part colloid continues forward to flow, and another part then can be temporarily stored in the described buffering adapter cavity, reduces the impulse force of instantaneous plastic emitting.
Mould is at the outer cooling water channel that is arranged with of described sprue channel 1, and the heat of mould is in time passed, prevent mould in continuous process because of the accumulation of heat distortion.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. a new mould pours structure comprises sprue, branch's runner and the sprue channel that is connected described branch runner and die cavity, it is characterized in that described sprue channel has irregular cavity, and the wall of described cavity is provided with depression or projection.
2. a kind of the new mould pours structure according to claim 1 is characterized in that, the middle part of described sprue channel is provided with one section buffering adapter cavity, the interface that arbitrary cross section of described buffering adapter cavity is connected with the branch runner greater than sprue channel at least.
3. a kind of the new mould pours structure according to claim 2 is characterized in that, the outer cooling water channel that is arranged with of described sprue channel.
4. according to claim 1,2 or 3 described a kind of the new mould pours structures, it is characterized in that described depression and projection are curved surface shape or being combined to form for domatic and plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220463066 CN202781678U (en) | 2012-09-12 | 2012-09-12 | Novel mould pouring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220463066 CN202781678U (en) | 2012-09-12 | 2012-09-12 | Novel mould pouring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202781678U true CN202781678U (en) | 2013-03-13 |
Family
ID=47809007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220463066 Expired - Fee Related CN202781678U (en) | 2012-09-12 | 2012-09-12 | Novel mould pouring structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202781678U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814934A (en) * | 2012-09-12 | 2012-12-12 | 晟扬精密模具（昆山）有限公司 | Novel pouring structure for mould |
| WO2022127549A1 (en) * | 2020-12-16 | 2022-06-23 | Ningbo Geely Automobile Research & Development Co., Ltd. | Injection moulding apparatus and method to reduce velocity increase of flow front during injection moulding |
-
2012
- 2012-09-12 CN CN 201220463066 patent/CN202781678U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814934A (en) * | 2012-09-12 | 2012-12-12 | 晟扬精密模具（昆山）有限公司 | Novel pouring structure for mould |
| WO2022127549A1 (en) * | 2020-12-16 | 2022-06-23 | Ningbo Geely Automobile Research & Development Co., Ltd. | Injection moulding apparatus and method to reduce velocity increase of flow front during injection moulding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20130912 |