CN207240744U - A kind of foam pump check valve flexible glue multiaspect vented mould - Google Patents
A kind of foam pump check valve flexible glue multiaspect vented mould Download PDFInfo
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- CN207240744U CN207240744U CN201721242960.4U CN201721242960U CN207240744U CN 207240744 U CN207240744 U CN 207240744U CN 201721242960 U CN201721242960 U CN 201721242960U CN 207240744 U CN207240744 U CN 207240744U
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- exhaust
- air discharge
- discharge duct
- injection
- mold insert
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Abstract
The utility model discloses a kind of foam pump check valve flexible glue multiaspect vented mould, including injection upper mold and injection lower die, preceding mould mold insert, model core before being provided with the preceding mould mold insert are provided with the injection upper mold；One end of the preceding model core towards the injection lower die is provided with exhaust mold insert, and the exhaust mold insert includes installation top and exhaust bottom；The contact surface of the injection upper mold and the injection lower die is the first die joint, the contact surface of the side of the preceding model core and the preceding mould mold insert is the second die joint, the contact surface of the side of the exhaust bottom and the injection lower die is three parting line, the top surface of the exhaust bottom and the contact surface of the preceding model core are tetrad segregation types face, and first die joint, second die joint, the three parting line and the tetrad segregation types face are both provided with parting air discharge duct.The problems such as the utility model can avoid check valve flexible glue that the thin viscous flow of the bad, glue of exhaust occurs when being molded.
Description
Technical field
A kind of flexible glue valve film molding mold technical field is the utility model is related to, particularly a kind of foam pump check valve flexible glue
Multiaspect vented mould.
Background technology
Usual mould structure design relation is to the molding effect of product, the convenience of mould practicality and ease for maintenance etc.；
Plastics spring vacuum foam pumps, and is the foam pump product that a kind of cylinder body, spring and ripple pearl are an integral structure, wherein foam pump list
It is the core component of foam pump product to valve flexible glue, decides foam quality quality；The key function of foam pump check valve flexible glue
Structure is inner ring and the unidirectional ultra-thin flexible glue valve film of outer ring, encloses one-way air inlet outside and reversely seals gas effect, inside encloses and unidirectionally go out
Gas reversely seals gas effect, it is desirable to which the thick uniformly soft middle band of texture of glue is tough, 0.15 millimeter of thickness, and shaping is extremely difficult.In the prior art
Foam pump check valve flexible glue molding die used by exhaust mode there was only two deflation areas, ultra-thin functional areas are often walked
The problems such as glue is uneven, discontented, trace, can not normal volume production.
The content of the invention
For overcome the deficiencies in the prior art, the utility model provides a kind of foam pump check valve flexible glue multiaspect exhaust mould
Tool, the problems such as can avoiding check valve flexible glue that the thin viscous flow of the bad, glue of exhaust occurs when being molded.
Technical solution is used by the utility model solves its technical problem：
A kind of foam pump check valve flexible glue multiaspect vented mould, including injection upper mold and injection lower die, the injection upper mold
On be provided with before mould mold insert, model core before being provided with the preceding mould mold insert；It is characterized in that：The preceding model core is described in
One end of injection lower die is provided with exhaust mold insert, and the exhaust mold insert includes installation top and the exhaust of truncated cone of cylinder
Bottom, the outside diameter of the exhaust bottom are from top to bottom gradually reduced, and the installation top and the exhaust bottom are coaxially disposed, institute
The upper end outside diameter for stating exhaust bottom is more than the outside diameter on the installation top；The contact surface of the injection upper mold and the injection lower die
For the first die joint, the contact surface of the side of the preceding model core and the preceding mould mold insert is the second die joint, the exhaust bottom
The contact surface of the side in portion and the injection lower die be three parting line, the top surface for being vented bottom and the preceding model core
Contact surface is tetrad segregation types face, first die joint, second die joint, the three parting line and the tetrad segregation types
Face is both provided with parting air discharge duct.
Further as above-mentioned technical proposal is improved, and the depth of the parting air discharge duct is 0.01 millimeter.
Further as above-mentioned technical proposal is improved, and the bottom surface of the exhaust bottom is provided with the first path air discharge duct,
The side on the installation top is provided with alternate path air discharge duct, and the side of the preceding model core is provided with third path exhaust
Groove；The vertical exhaust channel axially through the preceding model core and the exhaust mold insert is further included, and perpendicular to axially penetrating through
The horizontal exhaust path of the preceding model core and the exhaust mold insert, the alternate path air discharge duct and third path exhaust
Groove connects the horizontal exhaust path, and vertical exhaust described in the first path air discharge duct and the horizontal exhaust communication is logical
Road.
Further as above-mentioned technical proposal is improved, and the top surface of the injection upper mold is provided with preceding die face plate, before described
The bottom surface of die face plate is provided with the fourth passage air discharge duct of connection ambient atmosphere and the vertical exhaust channel.
Further as above-mentioned technical proposal is improved, the first path air discharge duct, the alternate path air discharge duct, institute
The depth for stating third path air discharge duct and the fourth passage air discharge duct is 0.5 millimeter.
Compared with prior art, the beneficial effects of the utility model are：
A kind of foam pump check valve flexible glue multiaspect vented mould provided by the utility model, the mould in mold injection molding
Gas is discharged rapidly from formation system by four exhaust passages in tool, is reduced briquetting pressure, is saved energy consumption and reach product
Expected Results；At the same time because parting surface structure controls the direction of burr growth, requirement of the product function to burr is reduced, is increased
The yield of formed product.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structure diagram of foam pump check valve flexible glue multiaspect vented mould described in the utility model；
Fig. 2 is the enlarged structure schematic diagram at A in Fig. 1.
Embodiment
Referring to figs. 1 to Fig. 2, Fig. 1 to Fig. 2 is the structure diagram of one specific embodiment of the utility model.
As shown in Figure 1 to Figure 2, under a kind of foam pump check valve flexible glue multiaspect vented mould, including injection upper mold 1 and injection
Mould 2, described be molded in upper mold 1 are provided with preceding mould mold insert 3, model core 4 before being provided with the preceding mould mold insert 3；The preceding model
One end of core 4 towards the injection lower die 2 is provided with exhaust mold insert, and the exhaust mold insert includes 5 He of installation top of cylinder
The exhaust bottom 6 of truncated cone, the outside diameter of the exhaust bottom 6 are from top to bottom gradually reduced, the installation top 5 and the row
Gas bottom 6 is coaxially disposed, and the upper end outside diameter of the exhaust bottom 6 is more than the outside diameter on the installation top 5；The injection upper mold 1
Contact surface with the injection lower die 2 is the first die joint 7, the contact of the side of the preceding model core 4 and the preceding mould mold insert 3
Face is the second die joint 8, and the contact surface of the side of the exhaust bottom 6 and the injection lower die 2 is three parting line 9, described
It is tetrad segregation types face 10 to be vented the top surface of bottom 6 and the contact surface of the preceding model core 4, first die joint 7, described second
Die joint 8, the three parting line 9 and the tetrad segregation types face 10 are both provided with parting air discharge duct.Specifically, the parting row
The depth of air drain is 0.01 millimeter.
As preference, the bottom surface of the exhaust bottom 6 is provided with the first path air discharge duct 11, the installation top 5
Side is provided with alternate path air discharge duct 12, and the side of the preceding model core 4 is provided with third path air discharge duct 13；Further include edge
The vertical exhaust channel 14 of the preceding model core 4 and the exhaust mold insert is axially penetrated through, and perpendicular to axially penetrating through the preceding mould
The horizontal exhaust path 15 of core 4 and the exhaust mold insert, the alternate path air discharge duct 12 and the third path air discharge duct
The 13 connection horizontal exhaust paths 15, the first path air discharge duct 11 connect described vertical with the horizontal exhaust path 15
Exhaust channel 14.Die face plate 17 before the top surface of the injection upper mold 1 is provided with, the bottom surface of the preceding die face plate 17 is provided with connection
The fourth passage air discharge duct 16 of ambient atmosphere and the vertical exhaust channel 14.Specifically, the first path air discharge duct 11, institute
The depth for stating alternate path air discharge duct 12, the third path air discharge duct 13 and the fourth passage air discharge duct 16 is 0.5 milli
Rice.
In injection molding, molten plastic is injected into formed product part, and air is squeezed rapidly from four exhausts point
The parting air discharge duct in type face enters the first path air discharge duct 11, alternate path air discharge duct 12 and third path exhaust
Groove 13, then the fourth passage air discharge duct 16 is entered by the horizontal exhaust path 15 and the vertical exhaust channel 14, finally
Escape into the ambient atmosphere outside mould.
As a kind of new exhaust structure, in injection moulding process, gas exit velocity is that general two accompany in mould, so that
Greatly reduce injection molding pressure, effectively reduce energy consumption and product is achieved the desired results；At the same time because parting surface structure controls
The direction of burr growth, reduces requirement of the product function to burr, adds the yield of formed product；Mould structure is simple,
It is easy to process, it is an important breakthrough of plastics spring foam pump production operation technological difficulties.
Above the preferable of the utility model is implemented to be illustrated, certainly, the utility model can also use with
The different form of the above embodiment, what those skilled in the art were made on the premise of without prejudice to spirit of the invention etc.
Same conversion or corresponding change, should all belong in the scope of protection of the utility model.
Claims (5)
1. a kind of foam pump check valve flexible glue multiaspect vented mould, including injection upper mold (1) and injection lower die (2), the injection
Preceding mould mold insert (3), model core (4) before being provided with the preceding mould mold insert (3) are provided with upper mold (1)；It is characterized in that：It is described
One end of preceding model core (4) towards the injection lower die (2) is provided with exhaust mold insert, and the exhaust mold insert includes the peace of cylinder
Portion (5) and the exhaust bottom (6) of truncated cone are loaded onto, the outside diameter of exhaust bottom (6) is from top to bottom gradually reduced, the peace
Load onto portion (5) and exhaust bottom (6) is coaxially disposed, the upper end outside diameter of exhaust bottom (6) is more than the installation top
(5) outside diameter；The injection upper mold (1) and the contact surface for being molded lower die (2) are the first die joint (7), the preceding model
The contact surface of the side of core (4) and the preceding mould mold insert (3) is the second die joint (8), the side of exhaust bottom (6) and institute
The contact surface for stating injection lower die (2) be three parting line (9), the top surface for being vented bottom (6) and the preceding model core (4)
Contact surface is tetrad segregation types face (10), first die joint (7), second die joint (8), the three parting line (9)
Parting air discharge duct is both provided with the tetrad segregation types face (10).
A kind of 2. foam pump check valve flexible glue multiaspect vented mould according to claim 1, it is characterised in that：The parting
The depth of air discharge duct is 0.01 millimeter.
A kind of 3. foam pump check valve flexible glue multiaspect vented mould according to claim 1, it is characterised in that：The exhaust
The bottom surface of bottom (6) is provided with the first path air discharge duct (11), and the side of installation top (5) is provided with alternate path exhaust
Groove (12), the side of the preceding model core (4) are provided with third path air discharge duct (13)；Further include axially through the preceding mould
The vertical exhaust channel (14) of core (4) and the exhaust mold insert, and perpendicular to axially penetrating through the preceding model core (4) and described
The horizontal exhaust path (15) of mold insert is vented, the alternate path air discharge duct (12) connects with the third path air discharge duct (13)
The horizontal exhaust path (15), the first path air discharge duct (11) and the horizontal exhaust path (15) connect described vertical
Exhaust channel (14).
A kind of 4. foam pump check valve flexible glue multiaspect vented mould according to claim 3, it is characterised in that：The injection
The top surface of upper mold (1) is provided with preceding die face plate (17), and the bottom surface of the preceding die face plate (17) is provided with connection ambient atmosphere and institute
State the fourth passage air discharge duct (16) of vertical exhaust channel (14).
A kind of 5. foam pump check valve flexible glue multiaspect vented mould according to claim 4, it is characterised in that：Described first
Path air discharge duct (11), the alternate path air discharge duct (12), the third path air discharge duct (13) and fourth passage row
The depth of air drain (16) is 0.5 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721242960.4U CN207240744U (en) | 2017-09-26 | 2017-09-26 | A kind of foam pump check valve flexible glue multiaspect vented mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721242960.4U CN207240744U (en) | 2017-09-26 | 2017-09-26 | A kind of foam pump check valve flexible glue multiaspect vented mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207240744U true CN207240744U (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721242960.4U Active CN207240744U (en) | 2017-09-26 | 2017-09-26 | A kind of foam pump check valve flexible glue multiaspect vented mould |
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| CN (1) | CN207240744U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109080081A (en) * | 2018-08-06 | 2018-12-25 | 常州星宇车灯股份有限公司 | A kind of structure improving polychrome mould product trapped gas |
| CN113146968A (en) * | 2021-02-08 | 2021-07-23 | 宁波舜邦模具科技有限公司 | Foam pump valve membrane structure and manufacturing method thereof |
-
2017
- 2017-09-26 CN CN201721242960.4U patent/CN207240744U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109080081A (en) * | 2018-08-06 | 2018-12-25 | 常州星宇车灯股份有限公司 | A kind of structure improving polychrome mould product trapped gas |
| CN113146968A (en) * | 2021-02-08 | 2021-07-23 | 宁波舜邦模具科技有限公司 | Foam pump valve membrane structure and manufacturing method thereof |
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