CN108819124A - Seal the injection mold of needle opening and closing heat flow passage sprue - Google Patents
Seal the injection mold of needle opening and closing heat flow passage sprue Download PDFInfo
- Publication number
- CN108819124A CN108819124A CN201810621785.2A CN201810621785A CN108819124A CN 108819124 A CN108819124 A CN 108819124A CN 201810621785 A CN201810621785 A CN 201810621785A CN 108819124 A CN108819124 A CN 108819124A
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- Prior art keywords
- plate
- envelope needle
- needle
- envelope
- cast gate
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- 238000002347 injection Methods 0.000 title claims abstract description 23
- 239000007924 injection Substances 0.000 title claims abstract description 23
- 238000009826 distribution Methods 0.000 claims abstract description 19
- 238000001746 injection moulding Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000003780 insertion Methods 0.000 claims abstract description 6
- 230000037431 insertion Effects 0.000 claims abstract description 6
- 238000010079 rubber tapping Methods 0.000 claims abstract description 4
- 230000004888 barrier function Effects 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 72
- 208000015943 Coeliac disease Diseases 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 239000010727 cylinder oil Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C2045/2683—Plurality of independent mould cavities in a single mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
- B29C45/281—Drive means therefor
- B29C2045/2813—Common drive means for several needle valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/24—Pipe joints or couplings
- B29L2031/243—Elbows
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of injection molds of envelope needle opening and closing heat flow passage sprue,Including tank plate,Sprue and oil cylinder on tank plate are set,Connect the envelope needle plate of oil cylinder lower end,Seal needle,Flow distribution plate and upper mold cavity plate,Envelope needle quantity is that multiple and top is connected on envelope needle plate,Flow manifold is provided in the flow distribution plate,It is connected at the top of flow manifold with sprue,Flow manifold bottom tapping goes out multiple subflow roads,Subflow is connected with nozzle in road,Nozzle bottom end is connected in the product type chamber cast gate at upper mold cavity plate,Envelope needle is inserted into nozzle and can stretch out from spray nozzle front end after passing through flow distribution plate,It is driven when the cylinder ejector and closes cast gate barrier material path flowing at the type chamber cast gate of envelope needle bottom end insertion upper mold cavity plate,Envelope needle, which is pulled upwardly at the type chamber cast gate for leaving upper mold cavity plate, when oil cylinder bounces back opens cast gate and makes the normal injection molding of the unimpeded holding of material path.The present invention avoids cutting material and polishes process, increases the quantity of product in a secondary mold, and save the cost improves production efficiency.
Description
Technical field
The present invention relates to a kind of for producing the injection mold of plastic pipe, is opened and closed hot flow path more particularly, to a kind of envelope needle
The injection mold of cast gate.
Background technique
Currently, the connecting component of plastic pipe is all made of injection molding manner production, a secondary mold single injection-molded can be produced
A plurality of shaped articles out, as shown in Figure 1.Injection mold is opened rear profile chamber and opens, the stream a in branch flow passage and sprue
It still connecting together after cooling with each shaped article b, takes out shaped article b in cavity, stream a is connected on product b at this time,
Then each shaped article b is disconnected from runner clout junction c using artificial or manipulator, product surface meeting after disconnection
The surface of a wound with out-of-flatness, as shown in Figure 2.Above-mentioned finished product separation process is time-consuming and laborious, and especially cost of labor can be very high, and produces
Product surface has the out-of-flatness surface of a wound；Also have using automatic manipulator and operate, equally improve cost, work efficiency drop.Such as
Fruit shaped article can directly produce injection molding sprue smooth qualified finished product after the completion of mold is once molded, and evade falling this
Cumbersome separation process will greatly improve working efficiency, reduce cost.
Summary of the invention
In view of the above-mentioned problems, the present invention is intended to provide a kind of envelope needle opening and closing heat flow passage sprue injection mold, by pair
The improvement of existing injection mold removes affluent-dividing so that forming smooth cast gate on product after the completion of the injection molding of pipe fitting connecting component
Stream a in road and sprue is avoided and is cut material and waste recovery process, save the cost, improves production efficiency.
The technical scheme is that a kind of injection mold of envelope needle opening and closing heat flow passage sprue, including tank plate, setting exist
Envelope needle plate, envelope needle, flow distribution plate and the upper mold cavity plate of sprue and oil cylinder, connection oil cylinder lower end piston rod on tank plate, institute
Stating envelope needle quantity is that multiple and top is connected on envelope needle plate, and flow manifold, flow manifold top are provided in the flow distribution plate
It is connected to sprue, flow manifold bottom tapping goes out multiple subflow roads, and nozzle, the nozzle bottom end are connected in the subflow road
It is connected in the product type chamber cast gate at upper mold cavity plate, the envelope needle is inserted into nozzle after passing through flow distribution plate and can be before nozzle
End is stretched out, and is driven when the cylinder ejector and is closed cast gate at the type chamber cast gate of envelope needle bottom end insertion upper mold cavity plate and obstruct material path stream
Dynamic, envelope needle, which is pulled upwardly at the type chamber cast gate for leaving upper mold cavity plate, when the oil cylinder bounces back opens cast gate and makes the unimpeded guarantor of material path
Hold normal injection molding.
Preferably, cavity block is connected at the center of upper mold cavity plate lower surface, the setting of type chamber cast gate is inlayed in type chamber
It in block, is corresponded at the upper mold cavity plate and is provided with nozzle putting hole at each type chamber cast gate, the nozzle lower part is located at spray
In mouth putting hole, it is opened and closed under the expanding-contracting action of oil cylinder in the type chamber cast gate that the envelope needle is inserted at cavity block after nozzle
Cast gate.
Preferably, envelope needle bottom end is taper, the type chamber cast gate internal diameter ruler of the envelope needle outer diameter and cavity block
It is very little to be adapted.
It preferably, further include heating device, the heating device makes the raw material in nozzle and flow distribution plate keep molten
State realizes normal injection molding.
Preferably, the envelope needle plate includes the envelope needle upper plate and envelope needle lower plate that the two is detachably connected, the oil cylinder piston
Bar lower end is connected on envelope needle upper plate, and the envelope needle insertion envelope pin hole and is pierced by envelope needle lower plate in plate top surface stepped hole under envelope needle
It is connected and fixed afterwards by sealing needle upper plate, the quantity of the envelope needle and the quantity of product type chamber are adapted.
Preferably, the oil cylinder, which is vertically embedded into, is mounted in tank plate, processes respectively at different height in the tank plate
There are oil inlet runner and fuel-displaced runner, oil inlet runner one end is connected to oil cylinder oil inlet hole, and the other end is connected on the outside of tank plate
It is connected to by oil pipe with hydraulic station after wall oil inlet, described fuel-displaced runner one end is connected to oil cylinder oil outlet, and the other end is connected to
It is connected to by oil pipe with hydraulic station after tank plate lateral wall oil outlet.
Preferably, the quantity of the oil cylinder is multiple, and the fuel feed hole of each oil cylinder is interconnected by the oil inlet runner, institute
It states fuel-displaced runner the oil outlet of each oil cylinder is interconnected, the oil inlet runner and fuel-displaced runner are formed by drilling processing,
The tank plate side wall drill hole is respectively connected with seal plug in addition to oil inlet and oil outlet.
Preferably, the quantity of the oil cylinder is four, and the position of four oil cylinders is horizontal and vertical symmetrical about tank plate.
Preferably, further include lower die cavity plate, complete normal injection molding after the lower die cavity plate and the molding of upper mold cavity plate.
The present invention is by the improvement to existing hot runner plastic injection mould, by the way that nozzle is arranged between flow distribution plate and cavity plate
With envelope needle, and control envelope needle movement come cut off the mode of type chamber cast gate inner flow passage make product be molded after the completion of on product not
Extra waste material can be generated, while making product cast gate smooth, the process for cutting material is avoided, has saved cost, improves production
Efficiency, in addition improvement of the invention increases production on same secondary mold so that the center between product is smaller away from what can be done
The quantity of product type chamber, and then product quantity is increased, while improving the service life of type chamber cast gate, it in addition also avoids multiple
The oil leakage phenomenon that seperated oil cylinder oil pipe arrangement generates.
Detailed description of the invention
Fig. 1 is that existing injection mold is molded by the schematic diagram of product structure come；
Fig. 2 is the schematic diagram that existing injection mold is molded by that the product come cuts finished product after material；
Fig. 3 is that the present invention is molded by the finished product structure schematic diagram come；
Fig. 4 is the structural schematic diagram after the present invention and the assembly of lower die cavity plate；
Fig. 5 is structural schematic diagram of the invention；
Fig. 6 is main view of the invention；
Fig. 7 is cross-sectional view of the Fig. 6 along the direction A-A；
Fig. 8 is cross-sectional view of the Fig. 6 along the direction B-B；
Fig. 9 is partial enlarged view when sealing needle near closed hollow ring cast gate in Fig. 8 at C；
Figure 10 is partial enlarged view when sealing stylus printer open form chamber cast gate in Fig. 8 at C；
Figure 11 is the attachment structure schematic diagram in the present invention at flow distribution plate；
Figure 12 is cross-sectional view of the Figure 11 along the direction D-D；
Figure 13 is cross-sectional view of the Figure 11 along the direction E-E；
Figure 14 is cross-sectional view of the Figure 11 along the direction F-F；
Figure 15 is the attachment structure schematic diagram at tank plate；
Figure 16 is cross-sectional view of the Figure 15 along the direction G-G；
Figure 17 is cross-sectional view of the Figure 15 along the direction H-H；
Wherein：1-tank plate；2-sprues；3-oil cylinders；4-envelope needle plates；5-envelope needles；6-flow distribution plates；7-upper model cavities
Plate；8-subflow roads；9-nozzles；10-cavity blocks；11-nozzle putting holes；12-heating devices；13-envelope needle upper plates；
14-envelope needle lower plates；15-oil inlet runners；16-fuel-displaced runners；17-oil inlets；18-oil outlets；19-seal plugs；
20-lower die cavity plates.
Specific embodiment
With reference to the accompanying drawing, invention is further described in detail.
As shown in Fig. 3 to Figure 17, the present invention provides a kind of injection molds of envelope needle opening and closing heat flow passage sprue, including oil cylinder
Plate 1, the sprue 2 being arranged on tank plate 1 and oil cylinder 3, the envelope needle plate 4 for connecting 3 lower end piston rod of oil cylinder, envelope needle 5, flow distribution plate
6 and upper mold cavity plate 7,5 quantity of envelope needle is that multiple and top is connected on envelope needle plate 4, is provided in the flow distribution plate 6 point
Runner is flowed, is connected to sprue 2 at the top of flow manifold, flow manifold bottom tapping goes out multiple subflow roads 8, in the subflow road 8
It is connected with nozzle 9, directly by being threaded into subflow road 8,9 bottom end of nozzle is connected at upper mold cavity plate 7 nozzle 9
In product type chamber cast gate, the envelope needle 5 is inserted into nozzle 9 and can stretch out from 9 front end of nozzle, the oil cylinder 3 after passing through flow distribution plate 6
It is driven when ejection and closes cast gate barrier material path flowing, the oil cylinder 3 at the type chamber cast gate of envelope 5 bottom end of needle insertion upper mold cavity plate 7
Needle 5 is sealed when retraction be pulled upwardly at the type chamber cast gate for leaving upper mold cavity plate 7 open cast gate and make the normal note of the unimpeded holding of material path
Modeling.Multiple envelope needles 5 are connected on same envelope needle plate 4 by the application, and drive envelope needle plate 4 to seal needle 5 to drive with oil cylinder 3,
In this way can by the spacing between product type chamber arrange it is smaller, be compared to existing oil cylinder it is one-to-one with product type chamber,
Due to needing to avoid interference with phenomenon between oil cylinder, the spacing between product type chamber is determined by the spacing between oil cylinder, and then is limited to
General minimum spacing is 100 or more between product type chamber, and this structure of the application produces same product, in same shape ruler
On very little mold, the spacing between product type chamber can be contracted to 30, increase considerably the effect of a multi-cavity mold, it can be with one
Secondary injection molding more products, improve production efficiency.
A preferred scheme, upper mold cavity plate 7 can be made into split type, and product type chamber region is individually done
At a cavity block 10, cavity block 10 is connected at 7 lower surface center of upper mold cavity plate, and the setting of type chamber cast gate is inlayed in type chamber
In block 10, is corresponded at the upper mold cavity plate 7 and be provided with nozzle putting hole 11 at each type chamber cast gate, 9 lower part of nozzle
In nozzle putting hole 11, the envelope needle 5 is inserted into the type chamber cast gate at cavity block 10 after passing through nozzle 9 in oil cylinder 3
Cast gate is opened and closed under expanding-contracting action.
Preferably, 5 bottom end of envelope needle is taper, in the type chamber cast gate of 5 outer diameter of envelope needle and cavity block 10
Diameter size is adapted, will envelope 5 bottom end of needle do it is tapered, during seal the near closed hollow ring cast gate repeatedly of needle 5, can to avoid seal needle
5 with cast gate friction and damage cast gate, extend the service life of mold.
It preferably, further include heating device 12, heating device 12 is a common component, the heating in injection mold
Device 12 to guarantee that the plastics in nozzle 9 are kept molten by always in heated condition in nozzle 9 and flow distribution plate 6, realize
Normal injection moulding process.
Preferably, envelope needle plate 4 is made into split type, facilitates the replacement of envelope needle 5, and the envelope needle plate 4 includes that the two is detachable
The envelope needle upper plate 13 and envelope needle lower plate 14 of connection, 3 piston-rod lower end of oil cylinder are connected on envelope needle upper plate 13, the envelope needle 5
Insertion is sealed pin hole and is connected and fixed after being pierced by envelope needle lower plate 14 by sealing needle upper plate 13, institute out of envelope 14 top surface stepped hole of needle lower plate
The quantity of the quantity and product type chamber of stating envelope needle 5 is adapted.
Preferably, integration module oil cylinder 3 and tank plate 1 being integrally formed, relatively existing oil cylinder are connected to oil
The mode of cylinder plate surface can reduce mould volume, while reduce the generation of pipeline leak phenomenon, and the oil cylinder 3 is vertically embedded into
It is mounted in tank plate 1, is machined with oil inlet runner 15 and fuel-displaced runner 16 respectively at different height in the tank plate 1, it is described
15 one end of oil inlet runner is connected to 3 fuel feed hole of oil cylinder, the other end be connected to after 1 lateral wall oil inlet 17 of tank plate by oil pipe with
Hydraulic station connection, described fuel-displaced 16 one end of runner are connected to 3 oil outlet of oil cylinder, and it is fuel-displaced that the other end is connected to 1 lateral wall of tank plate
It is connected to by oil pipe with hydraulic station after mouth 18.
Preferably, the quantity of the oil cylinder 3 is multiple, and the oil inlet runner 15 mutually interconnects the fuel feed hole of each oil cylinder 3
Logical, the oil outlet of each oil cylinder 3 is interconnected by the fuel-displaced runner 16, and the oil inlet runner 15 and fuel-displaced runner 16 pass through brill
Hole machined forms, and the 1 side wall drill hole of tank plate is respectively connected with seal plug 19 in addition to oil inlet 17 and oil outlet 18.
Preferably, the quantity of the oil cylinder 3 is four, and the position of four oil cylinders 3 is horizontal and vertical right about tank plate 1
Claim.
It preferably, further include lower die cavity plate 20, the lower die cavity plate 20 is completed normal after molding with upper mold cavity plate 7
Injection molding.
In use, the oil cylinder 3 of respective numbers is selected as needed, by connecting an oil inlet pipe at oil inlet 17,
A flowline is connected at oil outlet 18, the connection of all oil cylinders 3 and hydraulic station can be realized, and realizes all oil cylinders 3
It moves synchronously, in injection molding, 3 piston rod of oil cylinder is retracted, and the plastics of molten condition squeeze inflow from sprue 2, in flow distribution plate 6
Middle shunting simultaneously passes through in nozzle 9, realizes normal injection moulding process, and after the completion of injection molding, 3 piston rod of oil cylinder stretches out, driving envelope needle
Plate 4 moves downward, and envelope 5 front end of needle is driven to enter at the type chamber cast gate at cavity block 10, realizes that envelope needle 5 is blocked at type chamber cast gate
And closed type chamber cast gate, realize the closing of material path, in the die sinking of upper and lower mould mold, due to being closed state at type chamber cast gate, because
Waste material is not present in this product, avoids the process for cutting material, so that being molded by the product come is finished product, takes out product rear mold
Molding, control 3 piston rod of oil cylinder retract, and envelope 5 bottom of needle is left in the type chamber cast gate at cavity block 10, and material path keeps unimpeded shape
State continues to be molded work, loop back and forth like this, whole process is convenient and efficient, high production efficiency, high yield rate.
The above is only better embodiment of the invention, not makes any form of restriction to invention, it is all according to
According to technical principle any simple modification, equivalent variations or modification made to the above embodiment of the invention, the present invention is still fallen within
In the range of technical solution.
Claims (9)
1. a kind of injection mold of envelope needle opening and closing heat flow passage sprue, it is characterised in that：Including tank plate（1）, be arranged in tank plate
（1）On sprue（2）And oil cylinder（3）, connection oil cylinder（3）The envelope needle plate of lower end piston rod（4）, envelope needle（5）, flow distribution plate（6）
With upper mold cavity plate（7）, the envelope needle（5）Quantity is that multiple and top is connected to envelope needle plate（4）On, the flow distribution plate（6）It is interior
It is provided with flow manifold, flow manifold top and sprue（2）Connection, flow manifold bottom tapping go out multiple subflow roads（8）, institute
State subflow road（8）Inside it is connected with nozzle（9）, the nozzle（9）Bottom end is connected to upper mold cavity plate（7）The product type chamber cast gate at place
It is interior, the envelope needle（5）Across flow distribution plate（6）After be inserted into nozzle（9）It is interior and can be from nozzle（9）Front end is stretched out, the oil cylinder（3）Top
Envelope needle is driven when out（5）Upper mold cavity plate is inserted into bottom end（7）Type chamber cast gate at close cast gate barrier material path flowing, the oil cylinder
（3）Needle is sealed when retraction（5）It is pulled upwardly and leaves upper mold cavity plate（7）Type chamber cast gate at open cast gate make the unimpeded holding of material path
Normal injection molding.
2. the injection mold of envelope needle opening and closing heat flow passage sprue according to claim 1, it is characterised in that：The upper model cavity
Plate（7）Lower surface is connected with cavity block at center（10）, the setting of type chamber cast gate is in cavity block（10）It is interior, the upper model cavity
Plate（7）Nozzle putting hole is provided at the corresponding each type chamber cast gate in place（11）, the nozzle（9）Lower part is located at nozzle putting hole
（11）It is interior, the envelope needle（5）Across nozzle（9）After be inserted into cavity block（10）In oil cylinder in the type chamber cast gate at place（3）It is flexible
Movement is lower to be opened and closed cast gate.
3. the injection mold of envelope needle opening and closing heat flow passage sprue according to claim 2, it is characterised in that：The envelope needle（5）
Bottom end is taper, the envelope needle（5）Outer diameter and cavity block（10）Type chamber cast gate internal diameter be adapted.
4. the injection mold of envelope needle opening and closing heat flow passage sprue according to claim 1, it is characterised in that：It further include heating dress
It sets（12）, the heating device（12）So that nozzle（9）And flow distribution plate（6）Interior raw material is kept molten by the normal note of realization
Modeling.
5. the injection mold of envelope needle opening and closing heat flow passage sprue according to claim 1, it is characterised in that：The envelope needle plate
（4）The envelope needle upper plate being detachably connected including the two（13）With envelope needle lower plate（14）, the oil cylinder（3）Piston-rod lower end is connected to
Seal needle upper plate（13）On, the envelope needle（5）From envelope needle lower plate（14）Insertion seals pin hole and is pierced by envelope needle lower plate in the stepped hole of top surface
（14）Pass through envelope needle upper plate afterwards（13）It is connected and fixed, the envelope needle（5）Quantity and product type chamber quantity be adapted.
6. the injection mold of envelope needle opening and closing heat flow passage sprue according to claim 1, it is characterised in that：The oil cylinder（3）
It is vertically embedded into and is mounted on tank plate（1）It is interior, the tank plate（1）Oil inlet runner is machined at interior different height respectively（15）With go out
Oil stream road（16）, the oil inlet runner（15）One end and oil cylinder（3）Fuel feed hole connection, the other end are connected to tank plate（1）Outside
Wall oil inlet（17）It is connected to afterwards by oil pipe with hydraulic station, the fuel-displaced runner（16）One end and oil cylinder（3）Oil outlet connection, separately
One end is connected to tank plate（1）Lateral wall oil outlet（18）It is connected to afterwards by oil pipe with hydraulic station.
7. injection mold integrated cylinder according to claim 6, it is characterised in that：The oil cylinder（3）Quantity be it is multiple,
The oil inlet runner（15）By each oil cylinder（3）Fuel feed hole be interconnected, the fuel-displaced runner（16）By each oil cylinder（3）'s
Oil outlet is interconnected, the oil inlet runner（15）With fuel-displaced runner（16）It is formed by drilling processing, the tank plate（1）Side
Wall drill hole removes oil inlet（17）And oil outlet（18）It is respectively connected with seal plug outside（19）.
8. injection mold integrated cylinder according to claim 7, it is characterised in that：The oil cylinder（3）Quantity be four,
Four oil cylinders（3）Position about tank plate（1）It is horizontal and vertical symmetrical.
9. injection mold integrated cylinder according to claim 1, it is characterised in that：It further include lower die cavity plate（20）, institute
State lower die cavity plate（20）With upper mold cavity plate（7）Normal injection molding is completed after molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810621785.2A CN108819124B (en) | 2018-06-15 | 2018-06-15 | Injection mold for closing hot runner gate by sealing needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810621785.2A CN108819124B (en) | 2018-06-15 | 2018-06-15 | Injection mold for closing hot runner gate by sealing needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108819124A true CN108819124A (en) | 2018-11-16 |
| CN108819124B CN108819124B (en) | 2024-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810621785.2A Active CN108819124B (en) | 2018-06-15 | 2018-06-15 | Injection mold for closing hot runner gate by sealing needle |
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| CN (1) | CN108819124B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109483816A (en) * | 2018-12-27 | 2019-03-19 | 东莞市誉铭新精密技术股份有限公司 | A kind of mobile phone plastic casing Shooting Technique and injection moulding apparatus |
| CN111546581A (en) * | 2020-05-28 | 2020-08-18 | 广东铭利达科技有限公司 | Pouring structure of hot runner mold |
| CN117507255A (en) * | 2023-11-15 | 2024-02-06 | 东莞市现代精工实业有限公司 | A divide liquid board forming die for thermal management system |
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| CN203622834U (en) * | 2013-12-06 | 2014-06-04 | 柳道万和(苏州)热流道系统有限公司 | Valve needle drive structure for hot runner system |
| CN203901649U (en) * | 2014-05-22 | 2014-10-29 | 台州市新立模塑有限公司 | Needle valve type cavity pouring gate of injection molding die |
| CN204844713U (en) * | 2015-08-21 | 2015-12-09 | 马斯特模具（昆山）有限公司 | MSC needle valve formula hot runner system |
| CN106346711A (en) * | 2016-09-23 | 2017-01-25 | 东莞市热恒注塑科技有限公司 | One-mouth hot runner system with multiple valve needles distributed at small intervals |
| CN208468943U (en) * | 2018-06-15 | 2019-02-05 | 牟宏飞 | Seal the injection mold of needle opening and closing heat flow passage sprue |
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| CN109483816A (en) * | 2018-12-27 | 2019-03-19 | 东莞市誉铭新精密技术股份有限公司 | A kind of mobile phone plastic casing Shooting Technique and injection moulding apparatus |
| CN111546581A (en) * | 2020-05-28 | 2020-08-18 | 广东铭利达科技有限公司 | Pouring structure of hot runner mold |
| CN117507255A (en) * | 2023-11-15 | 2024-02-06 | 东莞市现代精工实业有限公司 | A divide liquid board forming die for thermal management system |
| CN117507255B (en) * | 2023-11-15 | 2024-04-30 | 东莞市现代精工实业有限公司 | A divide liquid board forming die for thermal management system |
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