CN205522294U - Vacuum type thin wall injection moulding mould admits air brokenly in bottom side position - Google Patents
Vacuum type thin wall injection moulding mould admits air brokenly in bottom side position Download PDFInfo
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- CN205522294U CN205522294U CN201620360510.4U CN201620360510U CN205522294U CN 205522294 U CN205522294 U CN 205522294U CN 201620360510 U CN201620360510 U CN 201620360510U CN 205522294 U CN205522294 U CN 205522294U
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- vacuum breaker
- air inlet
- pin body
- pin
- bottom side
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Abstract
The utility model relates to a vacuum type thin wall injection moulding mould admits air brokenly in bottom side position, it inlays the mould body that needle and upper end were equipped with die cavity and core including broken vacuum, broken vacuum is inlayed the needle and is inlayed needle body and spacing ka tai including what connect from top to bottom, spacing card platform bottom is equipped with side position inlet port, side position inlet port is " L ", and the first vertical spacing ka tai that runs through, penetrate again and inlay inside the needle body bottom, then transversely outwards wear out, the bottom of mould body be equipped with and break the vacuum inlay to should and the vertical mounting hole that runs through the core, the vertical insert the installation hole of needle is inlayed in broken vacuum, and it is fixed through spacing ka tai, inlay needle body's the top end and the top end parallel and level of core, compared with the prior art, the utility model discloses the product uses easy operation, and it is more convenient that production and processing, installation are dismantled, the maintenance is changed, and production efficiency is higher, and broken vacuum effect is better, and life is longer, and the input cost is low, and the plastic products of production level smoothly, more pleasing to the eye more.
Description
Technical field
This utility model relates to mould applications, particularly relates to a kind of injection mold.
Background technology
Thin-wall injection molding die is generally used for producing forming thin-walled plastic.At present, thin-walled is being produced
During plastic, in order to make the product can the smoothly demoulding, it will usually before a mold the bottom of mould and after
The top of mould installs air pins (valve) additional, and it overcomes spring force to open valve by the air pressure of air inlet,
Thin wall plastic products can be departed from smoothly for the vacuum that expellant gas destroys between thin wall plastic products and mould
Mould, as shown in Figure 1.
But in actual use, the air pins demoulding has the disadvantage in that
1, spring reset is unstable, is very easy to block and causes into glue, and fault rate is high；
2, air pins (valve) is short for service life, need to often change, and maintenance cost is high, and impact produces
Efficiency；
3, air pins (valve) needs interference fit when installing, and often changes easy damaged mould, shortens
Die life, and affect thin wall plastic products outward appearance.
Utility model content
Technical problem to be solved in the utility model is to provide that a kind of vacuum breaker is effective, failure rate is low,
Service life length, production and maintenance cost is low, produce the most smooth bottom attractive in appearance of thin wall plastic products
Side coil air inlet vacuum breaker formula thin-wall injection molding die.
The technical scheme that this utility model solves above-mentioned technical problem is as follows:
A kind of bottom side orientation air inlet vacuum breaker formula thin-wall injection molding die, it includes die ontology and breaks
Vacuum pin, the upper end of described die ontology is provided with the die cavity for injection mo(u)lding and core, described core
Being positioned at described die cavity, described vacuum breaker pin includes spacing chuck and pin body, described pin body
The top of bottom and described spacing chuck fixing be connected or one-body molded, the sectional area of described pin body
Less than the sectional area of described spacing chuck, the bottom of described spacing chuck is provided with side coil air inlet, described
Side coil air inlet is in " L ", and first vertically runs through described spacing chuck, then penetrates described pin body
Bottom inner portion, the most laterally outward pass, the bottom of described die ontology is provided with inlays with described vacuum breaker
For the installing hole answered, described installing hole vertically runs through described core, and described vacuum breaker pin vertically inserts
In described installing hole, and fixed with described installing hole by described spacing chuck, the top of described pin body
End surface is concordant with the top end face of described core.
Compared with prior art, the beneficial effects of the utility model are:
This utility model product has only to vertically insert bottom die ontology vacuum breaker pin in use
Installing hole, and by spacing chuck, vacuum breaker pin is stuck in installing hole location, with ensure pin this
The top end face of body is concordant with the top of core, and such air-flow can flow into pin originally from side coil air inlet
Gap between body bottom and die ontology, then between flowing between top and the die ontology of pin body
Gap, then from gap row to the top of core, makes the smooth break away from moulds body of the plastic after molding,
Not only using simple to operate, vacuum breaker is effective, and the thin wall plastic products flat smooth produced, more
Add attractive in appearance, be prevented effectively from employing valve inner ring and splice line and affect the situation of plastic outward appearance, and break
Vacuum pin is more prone to produce, install, demolition, repair, replacement convenient, both thoroughly solve to make
The problem being susceptible to fault by air pins (valve), is greatly improved production efficiency, reduces mould damage,
Extend die life, reduce again production and the maintenance cost of product.
On the basis of technique scheme, this utility model can also do following improvement.
As a kind of preferred implementation of the present utility model, described side coil air inlet is two, and right
Claim the bottom being distributed in described pin body.
Above-mentioned preferred version is used to provide the benefit that: ensureing production and processing complexity and putting into into
In the case of Ben, so design air inflow is more, and vacuum breaker effect is more preferable, advantageously in plastic product
The demoulding.
As another kind of preferred implementation of the present utility model, the surrounding sidewall of described pin body lower part
Being provided with the second cannelure, described side coil air inlet is connected with described second cannelure.
Above-mentioned preferred version is used to provide the benefit that: the convenient air-flow of existence of the second cannelure is from side
Orientation air inlet flows into the gap between bottom and the die ontology of pin body, then flows on pin body
Gap between portion and die ontology, auxiliary vacuum breaker effect is more preferable, advantageously in the plastic product demoulding.
As another kind of preferred implementation of the present utility model, the surrounding sidewall of described pin body upper part
It is provided with first annular groove, the sidewall of described pin body is vertically communicated with described first annular groove and institute
State the connectivity slot of the second cannelure.
Above-mentioned preferred version is used to provide the benefit that: the air-flow entered from side coil air inlet can be direct
Flow through the second cannelure, connectivity slot, first annular groove, hence into pin body upper part and die ontology
Between gap, auxiliary vacuum breaker effect is more preferable, advantageously in the plastic product demoulding.
As another kind of preferred implementation of the present utility model, described connectivity slot, described first annular groove
, " u "-shaped V-shaped with the cross sectional shape of described second cannelure or circular arc.
Above-mentioned preferred version is used to provide the benefit that: not only production and processing is simpler, and more square
Just air-flow passes through.
As another kind of preferred implementation of the present utility model, the top of described pin body is provided with laterally
The venthole run through, is provided with air feeding in center hole, described air feeding in center at the bottom centre of described spacing chuck
Hole is the most internal until being connected with described venthole through described spacing chuck vertically extending to described pin
Logical.
Above-mentioned preferred version is used to provide the benefit that: air-flow is possible not only to flow into edge from side coil air inlet
Gap between pin body lower part and die ontology, then flow between top and the die ontology of pin body
Gap, it is also possible to directly between center air inlet flows between pin body upper part and die ontology
Gap, then from gap row to the top of core, multiple intake method with the use of, air inflow is more, broken
Vacuum effectiveness is more preferable, advantageously in the plastic product demoulding.
As another kind of preferred implementation of the present utility model, described venthole and described first annular groove
It is connected.
Above-mentioned preferred version is used to provide the benefit that: venthole connects convenient gas with first annular groove
Flow and flow into the gap between pin body upper part and die ontology from venthole, then arrange to core from gap
Top, vacuum breaker effect is more preferable, advantageously in the plastic product demoulding.
As another kind of preferred implementation of the present utility model, described pin body is cylindrical or prism
Shape, described spacing chuck is in the round pie corresponding with described pin body or polygon pie.
Above-mentioned preferred version is used to provide the benefit that: not only production and processing is simple, and facilitates operation to make
With.
As another kind of preferred implementation of the present utility model, described pin body and described spacing chuck
Junction be positioned at the center, upper surface of described spacing chuck.
Above-mentioned preferred version is used to provide the benefit that: to operate with convenient.
As another kind of preferred implementation of the present utility model, described vacuum breaker pin is rivet-like.
Above-mentioned preferred version is used to provide the benefit that: not only production and processing is simpler, and more square
Just operate with.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art products side section；
Fig. 2 is the structural representation of this utility model product side section；
Fig. 3 is the structural representation that in Fig. 2, product overlooks face；
Fig. 4 is the perspective view of vacuum breaker pin in this utility model product；
Fig. 5 is the structural representation of vacuum breaker pin side section in this utility model product；
Fig. 6 is the structural representation of vacuum breaker pin opposite side section in this utility model product；
In accompanying drawing, the list of parts representated by each label is as follows:
1, die ontology, 2, die cavity, 3, core, 4, vacuum breaker pin, 5, spacing chuck, 6,
Pin body, 7, venthole, 8, air feeding in center hole, 9, first annular groove, 10, side coil air inlet
Hole, the 11, second cannelure, 12, connectivity slot.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for solving
Release this utility model, be not intended to limit scope of the present utility model.
Embodiment
As shown in Fig. 2-Fig. 6, a kind of bottom side orientation air inlet vacuum breaker formula thin-wall injection molding die, it
Including die ontology 1 and vacuum breaker pin 4, the side of described die ontology 1 is provided with for injection mo(u)lding
Die cavity 2 and core 3, described core 3 is positioned at described die cavity 2, and described vacuum breaker pin 4 includes
The top of spacing chuck 5 and pin body 6, the bottom of described pin body 6 and described spacing chuck 5
Fixing connection or one-body molded, the sectional area of described pin body 6 is less than the cross section of described spacing chuck 5
Long-pending, the bottom of described spacing chuck 5 is additionally provided with side coil air inlet 10, described side coil air inlet 10
In " L ", and first vertically run through described spacing chuck 5, then penetrate the bottom inner portion of described pin body 6,
The most laterally outward pass；
The bottom of described die ontology 1 is provided with the installing hole corresponding with described vacuum breaker pin 4, described peace
Described core 3 is vertically run through in dress hole, and described vacuum breaker pin 4 vertically inserts in described installing hole, and leads to
Cross described spacing chuck 5 to fix with described installing hole, the top end face of described pin body 6 and described type
The top end face of core 3 is concordant.
This utility model product has only to vertically insert at die ontology 1 end vacuum breaker pin 4 in use
The installing hole in portion, and by spacing chuck 5, vacuum breaker pin 4 is stuck in installing hole location, to ensure
Pin body 6 top end face is concordant with the top end face of core 3, and such air-flow can be from side coil air inlet
Hole 10 flows into the gap between pin body 6 bottom and die ontology 1, then flows to pin body 6
Gap between top and die ontology 1, then from gap row to the top of core 3, after making molding
Plastic smooth break away from moulds body 1.
The surrounding sidewall of described pin body 6 bottom is preferably provided the second cannelure 11, and makes described side
Position air inlet 10 is connected with described second cannelure 11, and convenient air-flow is from side coil air inlet 10
Flow into the gap between pin body 1 bottom and die ontology 1, then flow to pin body 6 top and mould
Gap between tool body 1, auxiliary vacuum breaker effect is more preferable, advantageously in the plastic product demoulding；
The surrounding sidewall on described pin body 6 top is preferably provided first annular groove 9, meanwhile, described edge
The described first annular groove 9 of vertically arranged connection and described second cannelure 11 on the sidewall of pin body 6
Connectivity slot 12, so can make from the air-flow of side coil air inlet 10 entrance directly through the second cannelure
11, connectivity slot 12, first annular groove 9, hence between pin body 6 top and die ontology 1
Gap, auxiliary vacuum breaker effect is more preferable, advantageously in the plastic product demoulding.
The top of described pin body 6 is preferably provided the venthole 7 extended transversely through, described spacing chuck 5
Bottom centre at air feeding in center hole 8 is set, described air feeding in center hole 8 is through described spacing chuck 5 also
Until being connected with described venthole 7 in vertically extending to described pin body 6, such air-flow not only may be used
First to flow into the gap between pin body 6 bottom and die ontology 1 from side coil air inlet 10, then
Flow to the gap between pin body 6 top and die ontology 1, it is also possible to directly from center air inlet 8
Flow into the gap between pin body 6 top and die ontology 1, then from gap row to the top of core 3
Portion, multiple intake method with the use of, air inflow is more, and vacuum breaker effect is more preferable, advantageously in moulding
Material product stripping；If making described venthole 7 be connected with described first annular groove 9, then air-flow is from center
The gap that air inlet 8 flows between pin body 6 top and die ontology 1 is convenient.
The cross sectional shape of described connectivity slot 12, described first annular groove 9 and described second cannelure 11 is
Good V-shaped, " u "-shaped or circular arc etc.；Described side coil air inlet 10 preferably two, and
It is symmetrically distributed in the bottom of described pin body 6；Described pin body 6 can cylindrical or prism-shaped
Etc. shape, described spacing chuck 5 can be in the round pie corresponding with described pin body 6 or polygon cake
Shape, described pin body 6 is fixing with described spacing chuck 5 to be connected or one-body molded, and described pin is originally
The junction of body 6 and described spacing chuck 5 is preferably located at the center, upper surface of described spacing chuck 5,
If described vacuum breaker pin 4 is in rivet-like, then effect is more preferable.
This utility model product can directly use, it is also possible to horizontal use, inversion use or tilt to use.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all
Within protection domain of the present utility model should be included in.
Claims (10)
1. a bottom side orientation air inlet vacuum breaker formula thin-wall injection molding die, it includes die ontology
(1), the upper end of described die ontology (1) is provided with the die cavity (2) for injection mo(u)lding and core (3),
Described core (3) is positioned at described die cavity (2), it is characterised in that it also includes vacuum breaker pin (4),
Described vacuum breaker pin (4) includes spacing chuck (5) and pin body (6), described pin body
(6) bottom is fixing with the top of described spacing chuck (5) to be connected or one-body molded, and described pin is originally
The sectional area of body (6) is less than the sectional area of described spacing chuck (5), described spacing chuck (5)
Bottom is provided with side coil air inlet (10), and described side coil air inlet (10) is in " L ", and first erects
To running through described spacing chuck (5), then penetrate the bottom inner portion of described pin body (6), then horizontal
To outwards passing, the bottom of described die ontology (1) is provided with corresponding with described vacuum breaker pin (4)
Installing hole, described installing hole vertically runs through described core (3), and described vacuum breaker pin (4) is vertically inserted
Enter in described installing hole, and fixed with described installing hole by described spacing chuck (5), described pin
The top end face of body (6) is concordant with the top end face of described core (3).
Air inlet vacuum breaker formula thin-wall injection molding die in bottom side orientation the most according to claim 1,
It is characterized in that, described side coil air inlet (10) is two, and is symmetrically distributed in described pin body
(6) bottom.
Air inlet vacuum breaker formula thin-wall injection molding die in bottom side orientation the most according to claim 1,
It is characterized in that, the surrounding sidewall of described pin body (6) bottom is provided with the second cannelure (11),
Described side coil air inlet (10) is connected with described second cannelure (11).
Air inlet vacuum breaker formula thin-wall injection molding die in bottom side orientation the most according to claim 3,
It is characterized in that, the surrounding sidewall on described pin body (6) top is provided with first annular groove (9), institute
State and on the sidewall of pin body (6), be vertically communicated with described first annular groove (9) and described second ring
The connectivity slot (12) of shape groove (11).
Air inlet vacuum breaker formula thin-wall injection molding die in bottom side orientation the most according to claim 4,
It is characterized in that, described connectivity slot (12), described first annular groove (9) and described second cannelure
(11) cross sectional shape is V-shaped, " u "-shaped or circular arc.
Air inlet vacuum breaker formula thin-wall injection molding die in bottom side orientation the most according to claim 4,
It is characterized in that, the top of described pin body (6) is provided with the venthole (7) extended transversely through, described
Air feeding in center hole (8), described air feeding in center hole (8) it is provided with at the bottom centre of spacing chuck (5)
Until giving vent to anger with described in described spacing chuck (5) vertically extending to described pin body (6)
Hole (7) is connected.
Air inlet vacuum breaker formula thin-wall injection molding die in bottom side orientation the most according to claim 6,
It is characterized in that, described venthole (7) is connected with described first annular groove (9).
8. note according to the bottom side orientation air inlet vacuum breaker formula thin-walled according to any one of claim 1-7
Molded mould, it is characterised in that described pin body (6) is in corresponding with described pin body (6)
Cylindric or prism-shaped, described spacing chuck (5) is in round pie or polygon pie.
Air inlet vacuum breaker formula thin-wall injection molding die in bottom side orientation the most according to claim 8,
It is characterized in that, described pin body (6) is positioned at described limit with the junction of described spacing chuck (5)
The center, upper surface of position chuck (5).
Air inlet vacuum breaker formula thin-walled injection moulding shaping mould in bottom side orientation the most according to claim 8
Tool, it is characterised in that described vacuum breaker pin (4) is in rivet-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620360510.4U CN205522294U (en) | 2016-04-25 | 2016-04-25 | Vacuum type thin wall injection moulding mould admits air brokenly in bottom side position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620360510.4U CN205522294U (en) | 2016-04-25 | 2016-04-25 | Vacuum type thin wall injection moulding mould admits air brokenly in bottom side position |
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| Publication Number | Publication Date |
|---|---|
| CN205522294U true CN205522294U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620360510.4U Active CN205522294U (en) | 2016-04-25 | 2016-04-25 | Vacuum type thin wall injection moulding mould admits air brokenly in bottom side position |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341122A (en) * | 2019-06-28 | 2019-10-18 | 金华市利盛塑模有限公司 | A kind of thin-walled multi-cavity plastic parts moulding mold |
| CN110341123A (en) * | 2019-06-28 | 2019-10-18 | 金华市利盛塑模有限公司 | A kind of thin-walled single-chamber shape part molding die |
| CN110355960A (en) * | 2019-06-28 | 2019-10-22 | 金华市利盛塑模有限公司 | A kind of block insert type demoulding mechanism |
| CN110355961A (en) * | 2019-06-28 | 2019-10-22 | 金华市利盛塑模有限公司 | A kind of side-blown demoulding mechanism of pin plug |
-
2016
- 2016-04-25 CN CN201620360510.4U patent/CN205522294U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341122A (en) * | 2019-06-28 | 2019-10-18 | 金华市利盛塑模有限公司 | A kind of thin-walled multi-cavity plastic parts moulding mold |
| CN110341123A (en) * | 2019-06-28 | 2019-10-18 | 金华市利盛塑模有限公司 | A kind of thin-walled single-chamber shape part molding die |
| CN110355960A (en) * | 2019-06-28 | 2019-10-22 | 金华市利盛塑模有限公司 | A kind of block insert type demoulding mechanism |
| CN110355961A (en) * | 2019-06-28 | 2019-10-22 | 金华市利盛塑模有限公司 | A kind of side-blown demoulding mechanism of pin plug |
| WO2020258680A1 (en) * | 2019-06-28 | 2020-12-30 | 郭秋盛 | Insert-type demolding mechanism |
| WO2020258681A1 (en) * | 2019-06-28 | 2020-12-30 | 郭秋盛 | Demolding mechanism having pin plug for side blowing |
| WO2020258679A1 (en) * | 2019-06-28 | 2020-12-30 | 郭秋盛 | Forming mold for thin-wall multi-cavity plastic part |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |