CN207825408U - A kind of three plate thin entry nozzle injection molds - Google Patents
A kind of three plate thin entry nozzle injection molds Download PDFInfo
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- CN207825408U CN207825408U CN201820042699.1U CN201820042699U CN207825408U CN 207825408 U CN207825408 U CN 207825408U CN 201820042699 U CN201820042699 U CN 201820042699U CN 207825408 U CN207825408 U CN 207825408U
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- template
- plate
- nozzle injection
- entry nozzle
- fluid passage
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Abstract
The utility model discloses a kind of three plate thin entry nozzle injection molds, it is related to technical field of mold, its key points of the technical solution are that including cope plate, middle template and lower template, the middle template is located at the lower section of cope plate, the lower template is set to the lower section of middle template, wherein three surrounds cavity jointly, and cooling fluid passage, the cooling fluid passage circulating type chamber are equipped with inside every piece of cope plate, middle template and lower template template.The utility model has the advantages that：Good cooling performance in time outwardly shifts heat from cavity, extends the service life of mold；Heating degree is uniform in cavity, and the case where avoiding hot-spot occurs, and causes mold local deformation, influences molding precision.
Description
Technical field
The utility model is related to technical field of mold, more particularly to a kind of three plate thin entry nozzle injection molds.
Background technology
Three plate injection molds as a kind of common industrial production tool, be widely used in aerospace, boats and ships heavy industry and
Among the industrial circles such as precise electronic, three plate injection molds since it has a ripe technology, molded part quantity is more, it is high-quality,
Precision is high, deep to be liked by producer.
Currently, the Chinese patent of Publication No. CN205326142U discloses a kind of thin gate mould of three template dies, it includes
Upper code die face plate, water gap plate, master mold A plates, male model B plates, square iron, lower code baffle plate, ceiling panel and Ejector Retainer Plate, the mother
Mould A plates are movably set in the lower section of water gap plate；The male model B plates are installed on the square iron, and the square iron is installed on lower code
On baffle plate；The male model B plates are set to the lower section of master mold A plates.
Injection molding can substantially be divided into 6 stages：Molding, injecting glue, pressurize, cooling, die sinking, demoulding, above-mentioned existing skill
Art mold is not easy outwardly to shift, partial heat can be transferred in template, be led when carrying out cooling procedure in the heat in cavity
Cause mold own temperature excessively high, long-term overheat reduces the service life of mold.
Utility model content
The purpose of this utility model is to provide a kind of three plate thin entry nozzle injection molds, and good cooling performance in time will be warm
Amount is outwardly shifted from cavity, extends the service life of mold.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of three plate thin entry nozzle injection molds, including cope plate, middle template and lower template, the middle template are located at cope plate
Lower section, the lower template is set to the lower section of middle template, and wherein three surrounds cavity jointly, the cope plate, middle template and
Cooling fluid passage, the cooling fluid passage circulating type chamber are equipped with inside every piece of template of lower template.
By using above-mentioned technical proposal, after the course of work for completing pressurize, into the cold flow for lacking entire mold, this
When coolant liquid is added in cooling fluid passage in each plate of cope plate, middle template and lower template simultaneously, for entire cavity
It is cooling, and cooling fluid passage is distributed in three parts of cavity upper, middle and lower, on the one hand ensure entire cavity heating degree be it is uniform,
The case where avoiding hot-spot occurs；On the other hand the radiating efficiency for improving entire mold, avoids heat that from cannot dissipating damage in time
Bad mold extends the service life of mold.
Further setting：Cope plate is set there are two the first liquid injecting mouth, and first liquid injecting mouth is set to one of cope plate
Side, and be connected to cooling fluid passage.
By using above-mentioned technical proposal, coolant liquid is injected into from first liquid injecting mouth in cooling fluid passage when cooling,
Cooling fluid passage middle ring absorbed heat simultaneously around one week, the outflow completion cyclic process from another first liquid injecting mouth.
Further setting：Cope plate is equipped with several thin mouths of a river, and the thin mouth of a river is located at the first liquid injecting mouth or so two sides
Face.
By using above-mentioned technical proposal, the thin mouth of a river is closed during the work time, prevents coolant liquid from cooling fluid passage
Middle outflow；When cooling procedure is completed, opens remaining coolant liquid in thin mouth of a river cooling fluid passage and be discharged from the thin mouth of a river.
Further setting：Second liquid injecting mouth, second liquid injecting mouth and cooling there are two being set on one side of middle template
Fluid passage is connected to.
By using above-mentioned technical proposal, coolant liquid is injected into from second liquid injecting mouth in cooling fluid passage when cooling,
Cooling fluid passage middle ring absorbed heat simultaneously around one week, the outflow completion cyclic process from another second liquid injecting mouth.
Further setting：Third liquid injecting mouth, the third liquid injecting mouth and cooling there are two being set on one side of lower template
Fluid passage is connected to.
By using above-mentioned technical proposal, coolant liquid is injected into from a third liquid injecting mouth in cooling fluid passage when cooling,
Cooling fluid passage middle ring absorbed heat simultaneously around one week, the outflow completion cyclic process from another third liquid injecting mouth.
Further setting：Cope plate is connected with upper mould fixed plate, and the upper mould fixed plate is located at the top of cope plate, described
The upper surface of upper mould fixed plate is equipped with injection molding end.
By using above-mentioned technical proposal, upper mould fixed plate is mainly as the connection structure of cope plate and injection molding machine, injecting glue
When, the raw material of molten state injects this mold from injection molding end.
Further setting：Upper mould fixed plate is equipped with guide post, and several cyclic annular liquid baths are provided on the guide post.
By using above-mentioned technical proposal, guide post is mainly used for connecting upper mould fixed plate and cope plate, because for convenience of installation
Various components, relative motion can occur at work for also each component, so lubricant can be added in a mold, liquid bath is main
Flowing for being convenient to lubricant.
Further setting：Lower template is equipped with several thimble through-holes.
By using above-mentioned technical proposal, thimble through-hole can be passed through for thimble, and in the course of work of demoulding, thimble is worn
It crosses thimble through-hole and is pierced by lower template and eject molded part.
Further setting：Lower die holder is connected with below lower template, the one side that the lower die holder is directed toward lower template is equipped with
Several ejector retainner plate fixed columns.
By using above-mentioned technical proposal, work is one end that lower die holder is fixed on injection molding machine, and ejector retainner plate fixed column is main
Installation for being convenient to ejector retainner plate.
Further setting：Lower die holder is connected with ejector retainner plate by ejector retainner plate fixed column, and the ejector retainner plate is equipped with several tops
Needle.
By using above-mentioned technical proposal, thimble contacts at the bottom surface of molded part when demoulding, and after the completion of die sinking, thimble is under
Template is moved to cope plate direction, while by molded part from mold ejection.
In conclusion the utility model has the advantages that：
1. good cooling performance in time outwardly shifts heat from cavity, the service life of mold is extended；
2. heating degree is uniform in cavity, the case where avoiding hot-spot, occurs, and causes mold local deformation, influences
Molding precision.
Description of the drawings
Fig. 1 is the structural schematic diagram of three plate thin entry nozzle injection molds；
Fig. 2 is the structural schematic diagram of cope plate；
Fig. 3 is the structural schematic diagram of middle template；
Fig. 4 is the structural schematic diagram of lower template；
Fig. 5 is the configuration schematic diagram of ejector retainner plate and lower die holder.
In figure, 1, upper mould fixed plate；11, die shank；12, injection molding end；13, guide post；131, liquid bath；2, upper die plate；3, on
Template；31, mounting hole；32, the first locating convex block；34, cavity；341, spot pouring mouth；35, cooling fluid passage；351, the first liquid injecting mouth；
352, the thin mouth of a river；4, middle template；41, cavity；42, the second liquid injecting mouth；43, the first positioning square hole；44, the second locating convex block；5、
Lower template；51, guide post is connected；52, thimble through-hole；53, third liquid injecting mouth；6, ejector retainner plate；61, thimble；62, ejector retainner plate guide post；
63, elastic component；64, through-hole；7, lower die holder；71, link block；72, ejector retainner plate fixed column.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical parts are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
Embodiment 1：A kind of three plate thin entry nozzle injection molds, as shown in Figure 1, include mainly cope plate 3, middle template 4 and under
Template 5, the cope plate 3, middle template 4 and lower template 5 are integrally mounted by the cooperation of guide pillars and bushes, cope plate 3, middle mould
Plate 4 and lower template 5 surround cavity 34, and cavity 34 is mainly used for carrying out the molding of plastic.
Wherein the top of cope plate 3 is equipped with upper mould fixed plate 1, and the side of the upper mould fixed plate 1 is equipped with several die shanks
11, die shank 11 is mainly used for being convenient to mold on injection molding machine with injection molding machine cooperation.The upper mould fixed plate 1 deviates from upper mold
The one side of plate 3 is equipped with injection molding end 12, and the raw material of molten state enters mold from injection molding end 12.Upper mould fixed plate 1 is equipped with four guide posts
13, several annular liquid flumes 131 are provided on the surface of the guide post 13, and in installation mold, guide post 13 is coated with lubricating oil and is convenient to cover
If installation, liquid bath 131 are mainly convenient to the flowing of lubricating oil.
Upper die plate 2 is equipped between cope plate 3 and upper mould fixed plate 1,2 one side of upper die plate is for preventing cope plate 3
It with 1 direct collision of upper mould fixed plate, on the other hand plays and assists heat-insulated effect, avoid excessive heat transfer solid to upper mold
On fixed board 1.
In conjunction with shown in Fig. 1 and Fig. 2, cope plate 3 is equipped with several mounting holes 31, and mounting hole 31 is mainly used for matching with guide post 13
It closes, cope plate 3 is set on guide post 13.The one side of template 4 is equipped with several first locating convex blocks 32 during cope plate 3 is directed toward,
First locating convex block 32 is mainly used for improving the positioning accuracy between template.
Cope plate 3 is equipped with cavity 34, and the top surface upper annular of cavity 34 is distributed with several spot pouring mouths 341, when plastic parts moulding,
Raw material flows into cavity 34 from spot pouring mouth 341.Cope plate 3 is internally provided with cooling fluid passage 35, and cooling fluid passage 35 divides around cavity 34
Cloth.First liquid injecting mouth 351 there are two being set on one side of cope plate 3, is provided with positioned at 351 or so two sides of the first liquid injecting mouth
Several thin mouths of a river 352, the thin mouth of a river 352 are equipped with internal thread, and the first liquid injecting mouth 351 and the thin mouth of a river 352 are all connected to cooling fluid passage 35.
Coolant liquid is injected into from first liquid injecting mouth 351 in cooling fluid passage 35 when work, is flowed from another first liquid injecting mouth 351
Go out and complete cyclic process, while the thin mouth of a river 352 is to fill in closed, coolant liquid will not be flowed out from the thin mouth of a river 352；When completing work
The thin mouth of a river 352 is opened, the coolant liquid in cooling fluid passage 35 is discharged through the thin mouth of a river 352.
In conjunction with shown in Fig. 1 and Fig. 3, middle template 4 is equipped with cavity 41, and cooling fluid passage 35 is surrounded with around cavity 41, cold
But fluid passage 35 is set to the inside of middle template 4.Wherein a side of middle template 4 is equipped with the second liquid injecting mouth 42, the second fluid injection
Mouth 42 is connected to cooling fluid passage 35, and coolant liquid is injected into from the second liquid injecting mouth 42 in cooling fluid passage 35.
The one side that middle template 4 is bonded cope plate 3 is equipped with several first positioning square holes 43, during the first positioning square hole 43 is located at
Template 4 is bonded the one side with cope plate 3, and the first locating convex block 32 of cope plate 3 is embedded into the first positioning square hole 43 at this time, has
Conducive to further increasing the precision of cooperation.Middle template 4 is bonded several second locating convex blocks 44 in the one side of lower template 5, in use
It states identical mode and lower template 5 coordinates.
In conjunction with shown in Fig. 1 and Fig. 4, lower template 5 is equipped with several connection guide posts 51, and middle template can be inserted in connection guide post 51
Two pieces of templates are connected in through-hole on 4.The inside of lower template 5 also is provided with cooling fluid passage 35, and a side of lower template 5 is equipped with
Third liquid injecting mouth 53, third liquid injecting mouth 53 are connected to cooling fluid passage 35.The middle part of lower template 5 is equipped with several thimble through-holes 52.Three
35 one side of cooling fluid passage is designed in block template ensures that 34 heating degree of entire cavity is uniform, avoids the feelings of hot-spot
Condition occurs；On the other hand the radiating efficiency for improving entire mold, avoids heat that from cannot dissipating mold damage in time.
Referring to figure 1 and figure 5, the lower section of lower template 5 is equipped with lower die holder 7, and lower die holder 7 is set on one side close to lower template 5
There are link block 71 and ejector retainner plate fixed column 72, link block 71 to be located at the both wings position of ejector retainner plate fixed column 72, opened on link block 71
There is through-hole to be convenient to connect with lower template 5.
Ejector retainner plate 6 is installed on lower die holder 7, several through-holes 64 are provided on ejector retainner plate 6, ejector retainner plate fixed column 72 can be inserted
Into through-hole 64, ejector retainner plate 6 is connect with lower die holder 7.Ejector retainner plate 6 is equipped with several thimbles 61, top close to the one side of lower template 5
Needle 61 can pass through the thimble through-hole 52 in lower template 5, thimble 61 to be mainly used for being molded the ejection of plastic.
Ejector retainner plate 6 is equipped with several ejector retainner plate guide posts 62, and ejector retainner plate guide post 62 is located at the surrounding of thimble 61, ejector retainner plate guide post
Elastic component 63 is arranged on 62, elastic component 63 is in impaction state when thimble 61 is withstood, and elastic component 63 resets after the completion of ejection
Thimble 61 is driven 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 (10)
1. a kind of three plate thin entry nozzle injection molds, including cope plate（3）, middle template（4）And lower template（5）, the middle template（4）
Positioned at cope plate（3）Lower section, the lower template（5）It is set to middle template（4）Lower section, wherein three surrounds cavity jointly
（34）, it is characterized in that：The cope plate（3）, middle template（4）And lower template（5）Cooling fluid passage is equipped with inside every piece of template
（35）, the cooling fluid passage（35）Around cavity（34）.
2. a kind of three plates thin entry nozzle injection mold according to claim 1, it is characterized in that：The cope plate（3）Equipped with two
A first liquid injecting mouth（351）, first liquid injecting mouth（351）It is set to cope plate（3）A side, and with cooling fluid passage
（35）Connection.
3. a kind of three plates thin entry nozzle injection mold according to claim 2, it is characterized in that：The cope plate（3）It is equipped with
Several thin mouths of a river（352）, the thin mouth of a river（352）Positioned at the first liquid injecting mouth（351）Two sides in left and right.
4. a kind of three plates thin entry nozzle injection mold according to claim 1, it is characterized in that：The middle template（4）One
Second liquid injecting mouth there are two being set on side（42）, second liquid injecting mouth（42）With cooling fluid passage（35）Connection.
5. a kind of three plates thin entry nozzle injection mold according to claim 1, it is characterized in that：The lower template（5）One
Third liquid injecting mouth there are two being set on side（53）, the third liquid injecting mouth（53）With cooling fluid passage（35）Connection.
6. a kind of three plates thin entry nozzle injection mold according to claim 1, it is characterized in that：The cope plate（3）It is connected with
Upper mould fixed plate（1）, the upper mould fixed plate（1）Positioned at cope plate（3）Top, the upper mould fixed plate（1）Upper surface
Equipped with injection molding end（12）.
7. a kind of three plates thin entry nozzle injection mold according to claim 6, it is characterized in that：The upper mould fixed plate（1）If
There is guide post（13）, the guide post（13）On be provided with several cyclic annular liquid baths（131）.
8. a kind of three plates thin entry nozzle injection mold according to claim 1, it is characterized in that：The lower template（5）It is equipped with
Several thimble through-holes（52）.
9. a kind of three plates thin entry nozzle injection mold according to claim 8, it is characterized in that：The lower template（5）Lower section
It is connected with lower die holder（7）, the lower die holder（7）It is directed toward lower template（5）One side be equipped with several ejector retainner plate fixed columns（72）.
10. a kind of three plates thin entry nozzle injection mold according to claim 9, it is characterized in that：The lower die holder（7）Pass through top
Needle plate fixed column（72）It is connected with ejector retainner plate（6）, the ejector retainner plate（6）It is equipped with several thimbles（61）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820042699.1U CN207825408U (en) | 2018-01-10 | 2018-01-10 | A kind of three plate thin entry nozzle injection molds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820042699.1U CN207825408U (en) | 2018-01-10 | 2018-01-10 | A kind of three plate thin entry nozzle injection molds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207825408U true CN207825408U (en) | 2018-09-07 |
Family
ID=63392475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820042699.1U Expired - Fee Related CN207825408U (en) | 2018-01-10 | 2018-01-10 | A kind of three plate thin entry nozzle injection molds |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207825408U (en) |
-
2018
- 2018-01-10 CN CN201820042699.1U patent/CN207825408U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20180907 Termination date: 20220110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |