CN109795078A - A kind of injection mold and its application method with overflowing well - Google Patents
A kind of injection mold and its application method with overflowing well Download PDFInfo
- Publication number
- CN109795078A CN109795078A CN201811648874.2A CN201811648874A CN109795078A CN 109795078 A CN109795078 A CN 109795078A CN 201811648874 A CN201811648874 A CN 201811648874A CN 109795078 A CN109795078 A CN 109795078A
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- flash
- overflowing well
- overflowing
- type chamber
- well
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Abstract
The present invention provides a kind of injection mold and its application method with overflowing well, injection mold includes the first mode, second mode and the type chamber formed between the two, injection mold further includes flash mandril, the overflowing well is provided on second mode, overflowing well is surrounded by the type chamber, meet of the overflowing well with type chamber in the intracavitary stream of type is connected, there is an ejection end on flash mandril, ejection end is located at the bottom of overflowing well and can protrude into overflowing well, the sectional area for the junction that overflowing well is connected with type chamber is less than the sectional area of part of the overflowing well far from junction, the setting of overflowing well can be such that the position of weld bond is passed into overflowing well, and because of the setting of the relative size of the sectional area of different location and flash mandril in overflowing well, the application method provided through the invention, it is broken conducive to flash from junction, it is such It is seldom to talk about the clout stayed on product.
Description
[technical field]
The present invention relates to injection mold technology more particularly to a kind of injection molds and its user with overflowing well
Method.
[background technique]
In injection mold production process, divide due to entering after type chamber to generate using multiple cast gates injection stream or stream
Stream, multiply stream can generate weld bond in meet after type chamber converges, and the presence of weld bond seriously affects product quality, separately
Outside, it in order to eliminate clout excessive present in process of producing product, needs more excisions to act, will affect production efficiency.
[summary of the invention]
The purpose of the present invention is to provide a kind of injection mold and its application method with overflowing well, passes through overflowing well
Setting eliminate the weld bond on product, and pass through the relative size and flash mandril of the sectional area of different location in overflowing well
Setting so that the clout stayed on product is few after the flash in overflowing well is pushed away, it is not necessary to do to clout more cut again
Except movement, production efficiency is improved.
Technical scheme is as follows: a kind of injection mold with overflowing well, including the first mode, the second mode,
The molding type chamber of feed streams is formed between first mode and the second mode, injection mold further includes flash mandril, second mould
Overflowing well is offered in benevolence, the overflowing well is surrounded by the type chamber, the remittance of the overflowing well and type chamber in the intracavitary stream of type
It is connected at conjunction, there is an ejection end on flash mandril, ejection end is located at the bottom of overflowing well and can protrude into overflowing well, flash
The sectional area for the junction that well is connected with type chamber is less than the sectional area of part of the overflowing well far from junction.
Further, overflowing well includes flash channel and flash cavity, flash channel communicate-type chamber and flash cavity.
Further, the area of section in flash channel is gradually reduced from flash cavity to type cavity direction.
Further, during Xiang Suoshu type chamber injection stream, first mode is located at second mode
Top.
A kind of application method of the injection mold with overflowing well, comprises the steps of
By injection molding machine by stream injection type chamber, stream is flowed into overflowing well after being full of type chamber by junction；
The product and the flash in overflowing well, the first mode and the second mode being located in type chamber are formed after stream solidification
Die sinking；
Flash mandril ejects the flash in overflowing well, and flash is separated from product.
The beneficial effects of the present invention are:
1, the setting of overflowing well can be such that the position of weld bond is passed into overflowing well, as long as first overflowing well when blanking
In flash first push away, separate flash with product, it will be able to make there is no weld bond, the flash in overflowing well on final product
After pushing away, the relative size of the sectional area of different location in overflowing well and flash mandril can be passed through there are clout on product
Setting, i.e. overflowing well and the sectional area of type chamber junction is small, and the sectional area for the part withstood by flash mandril is big, this is very
Be conducive to flash to be broken from junction, rather than be broken from other positions of flash, so being stayed on product after flash is pushed away
Clout is seldom.This has just achieved the purpose that eliminate weld bond and has reduced clout on product.
2, flash channel is obviously narrowed relative to flash cavity and type chamber, is formed in flash channel after the ejection of flash mandril
Flash is easy for being broken, and this structure is very beneficial for reducing the clout on product.
3, the structure that the area of section in flash channel is gradually reduced from flash cavity to type cavity direction is also for reduction
Stay in the clout on product.
4, the first mode is located at the top of the second mode, and overflowing well is surrounded by type chamber, and overflowing well is opened on the second mode,
This structure helps to make full use of on the second mode the space for being located at the intracavitary portion of type, because overflowing well is as a recessed portion,
Also achieved the purpose that save the second mode material, especially for the product of some frame-type, this is a kind of preferred structure.
[Detailed description of the invention]
Fig. 1 is the perspective view when present invention is in molding state with product；
Fig. 2 is the cross-sectional view of the A-A along Fig. 1；
Fig. 3 is the stereogram exploded view of the present invention and product (not pushing away flash)；
Fig. 4 is the perspective view of the second mode；
Fig. 5 is the perspective view of product and flash；
Fig. 6 is the perspective view without the injection mold of overflowing well；
Fig. 7 is the perspective view of product.
In the accompanying drawings, each appended drawing reference indicates:
1, the first mode；2, the second mode；3, type chamber；4, overflowing well；5, flash mandril；41, flash channel；42, flash
Cavity；100, product；200, flash；300, junction.
[specific embodiment]
The invention will be further described with embodiment with reference to the accompanying drawing.
Shown in Fig. 1 to Fig. 4, a kind of injection mold with overflowing well, injection mold includes the first mode 1, the second mode
2, the molding type chamber 3 of feed streams is formed between the first mode 1 and the second mode 2, stream forms product 100, product in type chamber 3
100 and flash 200 (can hereafter mention) relative position it is as shown in Figure 5.
Injection mold further includes flash mandril 5, and overflowing well 4 is provided on second mode 2, and the overflowing well 4 is described
Type chamber 3 is surrounded, and the meet of stream in type chamber 3 is connected the overflowing well 4 with type chamber 3, after stream injection type chamber 3, meeting
It is flowed along multiple directions, is eventually full of entire type chamber 3, this results in the stream of different directions to have meet, this converges
Place is exactly the position for generating weld bond, and if stream can continue to flowing at this time, the position of weld bond can be passed,
The setting of overflowing well 4 can be such that the position of weld bond is passed into overflowing well 4, if when blanking first in overflowing well 4 at
Solid flash 200 first pushes away, and separates flash 200 with product 100, it will be able to make do not have weld bond on final product 100.
There is an ejection end, ejection end is located at the bottom of overflowing well 4 and can protrude into overflowing well 4, protrudes on flash mandril 5
It is ejected therein at solid flash 200 in overflowing well 4, ejection end is overflow as some or all of 4 bottom of overflowing well
The sectional area for the junction 300 that material well 4 is connected with type chamber 3 is less than the sectional area of part of the overflowing well 4 far from junction 300,
Plane where sectional area herein just refers to the plane where the sectional area substantially parallel with the ejection direction of flash mandril 5, overflows
Material mandril 5 can withstand the flash 200 in overflowing well 4, since overflowing well 4 and the sectional area of 3 junction 300 of type chamber are small, i.e., this
The sectional area for locating the flash 200 formed is small, and the partial cross section product withstood by flash mandril 5 is big, i.e., overflowing well 4 is far from connection
The sectional area of the part at place 300 is big, after flash mandril 5 ejects, is very beneficial for flash 200 and is broken from junction 300, rather than
It is broken from other positions of flash 200, so the clout stayed on product 100 is seldom, remaining after flash is pushed away by flash mandril 5
Material is few just need not to do excision movement to clout again, improve production efficiency.
The application method of injection mold in the present embodiment with overflowing well is specific as follows:
By injection molding machine by stream injection type chamber 3, stream is flowed into overflowing well 4 after being full of type chamber 3 by junction 300；
The product 100 being located in type chamber 3 and the flash 200 in overflowing well 4, the first mode 1 are formed after stream solidification
It is opened with the second mode 2；
Flash mandril 5 ejects the flash 200 in overflowing well 4, and flash 200 is separated from product 100.Product is stayed at this time
Clout on 100 is seldom.
Fig. 6 shows a kind of perspective view of injection mold without overflowing well, can leave welding on product 100
Line.
In the present embodiment, overflowing well 4 includes flash channel 41 and flash cavity 42,41 communicate-type chamber 3 of flash channel with
Flash cavity 42, the interior flash 200 formed of flash cavity 42 is withstood by flash mandril 5, because flash channel 41 is relative to flash
Cavity 42 and type chamber 3 obviously narrow, and after flash mandril 5 ejects, the flash 200 formed in flash channel 41 is easy for being broken, this
Kind structure is very beneficial for reducing the clout on product 100.Further, the area of section in flash channel 41 is by flash cavity 42
It is gradually reduced to 3 direction of type chamber, such structure stays in the clout on product 100 also for reduction.
In the present embodiment, during Xiang Suoshu type chamber 3 injects stream, first mode 1 is located at second mould
The top of benevolence 2, this structure helps to make full use of on the second mode 2 space being located inside type chamber 3, because overflowing well 4 is made
For a recessed portion, also achieve the purpose that save 2 material of the second mode, especially for the product 100 of some frame-type, such as scheme
Shown in 7, this is a kind of preferred structure.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention
It encloses.
Claims (5)
1. a kind of injection mold with overflowing well, including the first mode (1) and the second mode (2), first mode (1) and
The molding type chamber (3) of feed streams is formed between second mode (2), it is characterised in that: injection mold further includes flash mandril
(5), it is provided with overflowing well (4) on second mode (2), the overflowing well (4) is surrounded by the type chamber (3), the flash
Meet of the well (4) with the type chamber (3) in the interior stream of the type chamber (3) is connected, and has a top on the flash mandril (5)
Outlet, the ejection end are located at the bottom of the overflowing well (4) and can protrude into the overflowing well (4), the overflowing well (4) with
The sectional area for the junction (300) that the type chamber (3) is connected is less than the portion of the separate junction (300) of the overflowing well (4)
The sectional area divided.
2. the injection mold according to claim 1 with overflowing well, it is characterised in that: the overflowing well (4) includes overflowing
Expect channel (41) and flash cavity (42), the flash channel (41) is connected to the type chamber (3) and the flash cavity (42).
3. the injection mold according to claim 2 with overflowing well, it is characterised in that: the flash channel (41) is cut
Face area is gradually reduced by flash cavity (42) Xiang Suoshu type chamber (3) direction.
4. according to claim 1 to the injection mold for having overflowing well described in 3 any one, it is characterised in that: Xiang Suoshu type
During chamber (3) injects stream, first mode (1) is located at the top of second mode (2).
5. a kind of application method of the injection mold with overflowing well as described in claim 1-4 is any, it is characterised in that: packet
Containing following steps:
By injection molding machine by stream injection type chamber (3), stream flows into overflowing well (4) by junction (300) afterwards full of type chamber (3)
In；
The flash (200) for forming the product (100) being located in type chamber (3) after stream solidification and being located in overflowing well (4), the first mould
Benevolence (1) and the second mode (2) die sinking；
Flash mandril (5) ejects the flash (200) in overflowing well (4), and flash (200) is separated from product (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811648874.2A CN109795078A (en) | 2018-12-30 | 2018-12-30 | A kind of injection mold and its application method with overflowing well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811648874.2A CN109795078A (en) | 2018-12-30 | 2018-12-30 | A kind of injection mold and its application method with overflowing well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109795078A true CN109795078A (en) | 2019-05-24 |
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ID=66558129
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811648874.2A Pending CN109795078A (en) | 2018-12-30 | 2018-12-30 | A kind of injection mold and its application method with overflowing well |
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| Country | Link |
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| CN (1) | CN109795078A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112045941A (en) * | 2019-06-06 | 2020-12-08 | 河南裕展精密科技有限公司 | Injection mould |
| WO2024032024A1 (en) * | 2022-08-09 | 2024-02-15 | 青岛海尔空调器有限总公司 | Injection molding product mold, injection molding product mold processing method and injection molded product |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204235829U (en) * | 2014-10-24 | 2015-04-01 | 宁波天龙电子股份有限公司 | A kind of mould of plastics of the flash structure with can automatically be separated |
| US20180065283A1 (en) * | 2016-09-06 | 2018-03-08 | Eric R. Peplinski | Metallic resin molding of annular components without visible knit line |
-
2018
- 2018-12-30 CN CN201811648874.2A patent/CN109795078A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204235829U (en) * | 2014-10-24 | 2015-04-01 | 宁波天龙电子股份有限公司 | A kind of mould of plastics of the flash structure with can automatically be separated |
| US20180065283A1 (en) * | 2016-09-06 | 2018-03-08 | Eric R. Peplinski | Metallic resin molding of annular components without visible knit line |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112045941A (en) * | 2019-06-06 | 2020-12-08 | 河南裕展精密科技有限公司 | Injection mould |
| WO2024032024A1 (en) * | 2022-08-09 | 2024-02-15 | 青岛海尔空调器有限总公司 | Injection molding product mold, injection molding product mold processing method and injection molded product |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190524 |
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| RJ01 | Rejection of invention patent application after publication |