CN207711282U - A kind of injection mould convenient for exhaust - Google Patents
A kind of injection mould convenient for exhaust Download PDFInfo
- Publication number
- CN207711282U CN207711282U CN201721924160.0U CN201721924160U CN207711282U CN 207711282 U CN207711282 U CN 207711282U CN 201721924160 U CN201721924160 U CN 201721924160U CN 207711282 U CN207711282 U CN 207711282U
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- CN
- China
- Prior art keywords
- exhaust
- lower template
- die holder
- cavity
- cope plate
- 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)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of injection moulds convenient for exhaust, it is related to injection mold field, its key points of the technical solution are that upper die holder, cope plate, lower template and lower die holder, cope plate is installed below the upper die holder, the cope plate is bonded away from the one side of upper die holder with lower template, the lower template is mounted on away from the one side of cope plate on lower die holder, the lower template is equipped with gas vent, the gas vent is set to the one side that lower template is bonded with cope plate, the lower template includes exhaust threaded hole, the exhaust threaded hole is located on the side of lower template, the lower template includes exhaust duct, the exhaust duct is set to the inside of lower template, one end of the exhaust duct air inlet is communicated in gas vent, one end of the exhaust duct outlet is communicated in exhaust threaded hole.The utility model advantage is as follows：With good exhaust performance, in time by cavity gas be discharged, avoid aggregation gas for molding plastic generate not to influences improve be molded plastic quality.
Description
Technical field
The utility model is related to injection mold field, more particularly to a kind of injection moulds convenient for exhaust.
Background technology
With the innovation of industry, the promotion of technology makes China's die industry have development with rapid changepl. never-ending changes and improvements, Die Industry
Based on the low-end product of beginning, gradually to the product transformation for producing high estimated value, as corresponding mating production equipment, mold
Itself has also obtained mating upgrading.
Currently, Authorization Notice No. be CN204076668U Chinese patent disclose a kind of injection mould, it include moving platen,
Solid plate, push plate, guide post, sprue puller, pours mouth at cover half mounting plate, and solid plate is bonded with cover half mounting plate, pours mouth positioned at fixed
On mold mounting plate, solid plate is provided with cavity, and cavity one end is equipped with through-hole, and through-hole is communicated with mouth is poured, push plate and solid plate phase
Even, through-hole is equipped among push plate, sprue puller is embedded in through-hole, and it is core that sprue puller, which is embedded in cavity one end, injection molding machine when work
The colloid for projecting molten state enters completion molding in cavity from mouth is poured.
Although above-mentioned injection mould can complete the molding of part, the exhaust of injection mould is bad, may induce molding
Defect.
Utility model content
The purpose of this utility model is to provide a kind of injection mould of exhaust, the advantage is that exhaust performance is good.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of injection mould convenient for exhaust, including upper die holder, cope plate, lower template and lower die holder, under the upper die holder
Side is equipped with cope plate, and the cope plate is bonded away from the one side of upper die holder with lower template, and the lower template is away from cope plate
It is mounted on lower die holder on one side, the lower template is equipped with gas vent, and the gas vent is set to what lower template was bonded with cope plate
On one side, the lower template includes exhaust threaded hole, and the exhaust threaded hole is located on the side of lower template, and the lower template includes
There are exhaust duct, the exhaust duct to be set to the inside of lower template, one end of the exhaust duct air inlet is communicated in gas vent, the row
One end of air flue outlet is communicated in exhaust threaded hole.
By using above-mentioned technical proposal, presence when injection molding inside cavity has the colloid of air or molten state cold
But gas is released in solidification, and the gas in mold cavity avoids gas from being mixed into melt by being discharged in exhaust duct outwardly environment,
Cause occur the open defects such as bubble filamentary silver and dull in plastic.
Further setting：Lower template is equipped with bulb stopper installation cavity, and the bulb stopper installation cavity is set to the inside of gas vent, described
Bulb stopper installation cavity diameter is more than exhaust bore dia.
By using above-mentioned technical proposal, the required installation space of bulb stopper installation cavity is larger, has been used for ensureing the complete of ball
Clog gas vent entirely, will not there is a situation where because ball valve it is undersized can not seal vents occur.
Further setting：Exhaust bulb stopper is fixed in bulb stopper installation cavity.
By using above-mentioned technical proposal, exhaust bulb stopper is mainly used for avoiding improving the close of gas vent during exhaust
Feng Xing prevents the colloid of molten state from being flowed out through gas vent, only gas is allowed to be discharged.
Further setting：Exhaust threaded hole is threaded with connection mouth.
By using above-mentioned technical proposal, on the one hand exhaust threaded hole is threaded with connection mouth using the side being threadedly coupled
Formula makes being connected firmly for the two, another aspect connection mouth be convenient to be connected with extraneous air pump.
Further setting：Connection mouth is equipped with Airtight gasket with exhaust threaded hole junction.
By using above-mentioned technical proposal, Airtight gasket is mainly used for further strengthening the leakproofness of junction, avoids gas
Body is leaked in junction in extraneous working environment.
Further setting：Cope plate includes cavity plate, and the cavity plate is located at away from the one side center of upper die holder
In cavity.
By using above-mentioned technical proposal, the cavity plate and the non-integral setting of cope plate, cavity plate are detachably connected on
Cope plate, the cavity plate are provided with the cavity for accommodating plastic placement, when injection molding colloid from from cope plate using cavity plate
Among entering finally into cavity, it is cooled and shaped after filling cavity.
Further setting：Cavity plate is equipped with die joint, and the die joint surrounds the outer rim of cavity, and the die joint is provided with row
Air drain, the air discharge duct is around die joint.
By using above-mentioned technical proposal, the die joint is located at the outer fringe position of cavity, and exhaust is located at parting in a ring
On face, when plastic parts moulding, the portion gas in cavity enters in air discharge duct, and the convenient type intracavity gas in injection molding is arranged
Go out, plastic surface attachment vapour is avoided to reduce the quality of end cap part.
Further setting：The path cross sectional shape of exhaust duct is L-shaped.
By using above-mentioned technical proposal, the path cross sectional shape of exhaust duct is L-shaped, in the exhaust duct aeration of influence
The premise of energy improves the effect for preventing back flow of gas, avoids a large amount of back flow of gas hollow chamber, and " L " shape is simple in structure easily simultaneously
In processing.
In conclusion the utility model has the advantages that：
1. having good exhaust performance, the gas in cavity is discharged in time, avoids aggregation gas for molding modeling
Part generate not to influences improve be molded plastic quality；
2. having good air-tightness, gas pollutes workshop from being leaked in working environment in pipeline in the process of work
Workshop.
Description of the drawings
Fig. 1 is a kind of injection mould structural schematic diagram convenient for exhaust；
Fig. 2 is the structural schematic diagram of cope plate；
Fig. 3 is primarily used for embodying the cope plate schematic cross-sectional view of main running channel；
Fig. 4 is primarily used for embodying the cope plate schematic cross-sectional view of cooling liquid bath；
Fig. 5 is the structural schematic diagram of lower template；
Fig. 6 is primarily used for embodying the lower template schematic cross-sectional view of exhaust duct；
Fig. 7 is Lower die base structure schematic diagram.
In figure, 1, upper die holder；11, injection molding end；2, cope plate；21, cavity plate；211, cast gate；212, cavity plate fixed block；
22, die joint；221, air discharge duct；23, main running channel；231, discharge chamber；24, cooling liquid bath；241, liquid mouth；25, cavity plate positions
Chamber；3, lower template；31, core plate；311, core plate fixed block；312, thimble through-hole；32, gas vent；321, it is vented bulb stopper；
322, bulb stopper installation cavity；33, exhaust duct；34, it is vented threaded hole；341, connection mouth；342, Airtight gasket；35, centre hole；36、
Core plate positioning chamber；4, lower die holder；41, column is dominated；42, ejector retainner plate；421, thimble；422, guide post；423, spring.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment：It is a kind of convenient for exhaust injection mould, as shown in Figure 1, including upper die holder 1, cope plate 2, lower template 3 and under
The lower section of die holder 4, the upper die holder 1 is equipped with cope plate 2, and the cope plate 2 is pasted away from the one side of upper die holder 1 with lower template 3
It closes, the lower template 3 is mounted on away from the one side of cope plate 2 on lower die holder 4, and the injection molding is mainly used for being molded a plastic end
Lid.
As shown in Figure 1, the upper die holder 1 is equipped with injection molding end 11, the injection molding end 11 is located at the centre bit of 1 top surface of upper die holder
It sets, the injection molding end 11 is mainly used for coordinating with injection molding machine in injection molding, improves sealing performance, avoids hot melt adhesive from connection
Place's leakage.
In conjunction with Fig. 1 and Fig. 3, the cope plate 2 be equipped with main running channel 23, it is described through cope plate 2 and with the note of upper die holder 1
It moulds end 11 to be connected to, the main running channel 23 is equipped with discharge chamber 231 away from one end of upper die holder 1, and the inner wall of the discharge chamber 231 is in arc
Shape, the discharge chamber 231 are mainly used for the colloid that storage is flow backwards, prevent it from flowing back to injection molding machine along main running channel 23.
In conjunction with shown in Fig. 2 and Fig. 3, the cope plate 2 is provided with cavity plate positioning chamber 25 away from the one side center of upper die holder 1,
Cavity plate 21 is installed, the side broadside of the cavity plate 21 is fixed equipped with two pieces of cavity plates in the cavity plate positioning chamber 25
Block 212, the cavity plate 21 are fixed on by cavity plate fixed block 212 on cope plate 2.In the top surface of 21 cavity of the cavity plate
Heart position is provided with cast gate 211, and the cast gate 211 is connected with main running channel 23, and hot melt adhesive enters cavity from cast gate 211 when work.Institute
It states cavity plate 21 and is equipped with die joint 22, the die joint 22 surrounds the outer rim of cavity, and the die joint 22 is provided with air discharge duct 221,
Around die joint 22, mainly the convenient type intracavity gas in injection molding is discharged the air discharge duct 221 air discharge duct 221, keeps away
Exempting from plastic surface attachment vapour reduces the quality of end cap part.
In conjunction with shown in Fig. 2 and Fig. 4, the cope plate 2 includes cooling liquid bath 24, and the cooling liquid bath 24 is surrounded on cavity plate
21.The cooling liquid bath 24 is connected with liquid mouth 241, and the liquid mouth 241 is set to the side of cope plate 2, and the liquid mouth 241 is main
For cool down liquid bath 24 feed liquor and go out liquid.Since injection molding main process is the molten state colloid cooled and solidified of high temperature
Process, in this process along with it is highly exothermic the occurrence of, cause die main body temperature to increase then mold damage, on
Cooling liquid bath 24 is stated during injection molding, is contacted full of coolant liquid and with cavity plate 21, at this time in cavity plate 21
Heat is absorbed by coolant liquid, is circulated with coolant liquid take heat out of mold later, and heat aggregation is avoided to cause end cover surface
The appearance for generating spot corrosion situation makes forming part quality decline.
In conjunction with shown in Fig. 5 and Fig. 6, the top surface of the lower template 3 is provided with core plate positioning chamber 36, the core plate positioning chamber
Core plate 31 is installed in 36.The core plate 31 is equipped with core plate fixed block 311, and the core plate fixed block 311 passes through spiral shell
The fixed mode of bolt is connect with lower template 3, and the core plate 31 is located at the centre bit for the one side that lower template 3 is contacted with cope plate 2
It sets, the part of 31 protrusion of the core plate is embedded into when molding in the cavity of cavity plate 21.The core plate 31 is provided with
Several gas vents 32, the gas vent 32 are uniformly distributed in 31 edge of core plate.The gas vent 32 is internally provided with bulb stopper installation
The diameter of chamber 322, the bulb stopper installation cavity 322 is more than gas vent 32, and exhaust bulb stopper is fixed with inside the bulb stopper installation cavity 322
321, the effect of exhaust bulb stopper 321 is mainly in exhaust, in addition to gas has been difficult to avoid that molten state colloid is flowed to gas vent 32
Enter, it is only that gas enters gas vent 32 to be vented bulb stopper 321 at this time, and molten state colloid is prevented to enter 32 mold damage of gas vent.
In conjunction with shown in Fig. 5 and Fig. 6, the gas vent 32 is connected with exhaust duct 33, and the exhaust duct 33 is set to lower template 3
Inside, the path cross sectional shape of the exhaust duct 33 is L-shaped.One end of 33 air inlet of the exhaust duct connects with gas vent 32
Logical, one end of 33 outlet of the exhaust duct is connected with exhaust threaded hole 34, and the exhaust threaded hole 34 is located at the side of lower template 3
On.The exhaust threaded hole 34 is screwed and has connection mouth 341, and the connection mouth 341 is arranged with 34 junction of exhaust threaded hole
There are Airtight gasket 342, the Airtight gasket 342 to increase sealing performance, avoids occurring gas leakage dirt during exhaust
The case where contaminating working environment occurs.When work, the exhaust threaded hole 34 connects air pump by connection mouth 341, in mold cavity
Gas by being discharged in exhaust duct 33 outwardly environment, avoid gas from being mixed into melt, cause occur bubble filamentary silver in plastic
With the open defects such as dull.
In conjunction with shown in Fig. 1 and Fig. 7, the lower die holder 4 is located at one end that lower template 3 deviates from cope plate 2, the lower die holder 4
Equipped with several leading columns 41, the leading column 41 is inserted into 3 matched through-hole of lower template lower template 3 being fixed on lower die holder 4
On.The lower die holder 4 includes ejector retainner plate 42, and the one side that the ejector retainner plate 42 is right against lower template 3 is equipped with several thimbles 421,
Include several thimble through-holes 312 in the corresponding core plate 31, the thimble through-hole 312 is distributed in the side of 31 protrusion of core plate
Edge, the lower template 3 are provided with centre hole 35, and the centre hole 35 is penetrated through with 312 face of thimble through-hole.The ejector retainner plate 42 also wraps
Guide post 422 is included, the guide post 422 is arranged with spring 423, and the guide post 422 passes through in the through-hole of lower template 3, while spring 423
It contacts on the end face of lower template 3.When molding de- material, make ejector retainner plate 42 to lower template 3 from the driving of the die-sinking device of injection molding machine
Relative motion, thimble 421 is pierced by from the centre hole 35 of lower template 3 by molding part at this time ejects and mould from core plate 31
Tool separation, spring is connected to lower template 3 and ejector retainner plate 42 at this time, and the mechanical force after the completion of ejection on ejector retainner plate 42 removes, spring
423 drive ejector retainner plate 42 to reset.
The above embodiments are only the explanation to the utility model, are not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of injection mould convenient for exhaust, including upper die holder（1）, cope plate（2）, lower template（3）And lower die holder（4）, described
Upper die holder（1）Lower section cope plate is installed（2）, the cope plate（2）Away from upper die holder（1）One side and lower template（3）Patch
It closes, the lower template（3）Away from cope plate（2）One side be mounted on lower die holder（4）On, it is characterized in that：The lower template（3）If
There is gas vent（32）, the gas vent（32）It is set to lower template（3）With cope plate（2）The one side of fitting, the lower template（3）
Including being vented threaded hole（34）, the exhaust threaded hole（34）Positioned at lower template（3）Side on, the lower template（3）Including
There is exhaust duct（33）, the exhaust duct（33）It is set to lower template（3）Inside, the exhaust duct（33）One end of air inlet is connected to
In gas vent（32）, the exhaust duct（33）One end of outlet is communicated in exhaust threaded hole（34）.
2. a kind of injection mould convenient for exhaust according to claim 1, it is characterized in that：The lower template（3）Equipped with bulb stopper
Installation cavity（322）, the bulb stopper installation cavity（322）It is set to gas vent（32）Inside, the bulb stopper installation cavity（322）Diameter
More than gas vent（32）Diameter.
3. a kind of injection mould convenient for exhaust according to claim 2, it is characterized in that：The bulb stopper installation cavity（322）In
It is fixed with exhaust bulb stopper（321）.
4. a kind of injection mould convenient for exhaust according to claim 1, it is characterized in that：The exhaust threaded hole（34）Screw thread
It is connected with connection mouth（341）.
5. a kind of injection mould convenient for exhaust according to claim 4, it is characterized in that：The connection mouth（341）With exhaust
Threaded hole（34）Junction is equipped with Airtight gasket（342）.
6. a kind of injection mould convenient for exhaust according to claim 1, it is characterized in that：The cope plate（2）Including cavity
Plate（21）, the cavity plate（21）Positioned at away from upper die holder（1）One side center cavity in.
7. a kind of injection mould convenient for exhaust according to claim 6, it is characterized in that：The cavity plate（21）Equipped with parting
Face（22）, the die joint（22）Around the outer rim of cavity, the die joint（22）It is provided with air discharge duct（221）, the air discharge duct
（221）Around die joint（22）.
8. a kind of injection mould convenient for exhaust according to claim 1, it is characterized in that：The exhaust duct（33）Path cut
Face shape is L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721924160.0U CN207711282U (en) | 2017-12-30 | 2017-12-30 | A kind of injection mould convenient for exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721924160.0U CN207711282U (en) | 2017-12-30 | 2017-12-30 | A kind of injection mould convenient for exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207711282U true CN207711282U (en) | 2018-08-10 |
Family
ID=63054225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721924160.0U Expired - Fee Related CN207711282U (en) | 2017-12-30 | 2017-12-30 | A kind of injection mould convenient for exhaust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207711282U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110861272A (en) * | 2019-10-22 | 2020-03-06 | 刘大宇 | Plastic injection mold |
| CN114413033A (en) * | 2021-12-21 | 2022-04-29 | 南京壹诺吉医疗科技有限公司 | Oxygenerator, two-way valve seat thereof, forming die and forming method of two-way valve seat |
-
2017
- 2017-12-30 CN CN201721924160.0U patent/CN207711282U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110861272A (en) * | 2019-10-22 | 2020-03-06 | 刘大宇 | Plastic injection mold |
| CN114413033A (en) * | 2021-12-21 | 2022-04-29 | 南京壹诺吉医疗科技有限公司 | Oxygenerator, two-way valve seat thereof, forming die and forming method of two-way valve seat |
| CN114413033B (en) * | 2021-12-21 | 2023-12-26 | 南京壹诺吉医疗科技有限公司 | Oxygenerator, two-way valve seat thereof, forming die and forming method of two-way valve seat |
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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: 20180810 Termination date: 20211230 |