CN110103409A - A kind of multilayer hot runner plastic injection mould - Google Patents

A kind of multilayer hot runner plastic injection mould Download PDF

Info

Publication number
CN110103409A
CN110103409A CN201810099282.3A CN201810099282A CN110103409A CN 110103409 A CN110103409 A CN 110103409A CN 201810099282 A CN201810099282 A CN 201810099282A CN 110103409 A CN110103409 A CN 110103409A
Authority
CN
China
Prior art keywords
plate
flow path
hot
hot flow
runner
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.)
Pending
Application number
CN201810099282.3A
Other languages
Chinese (zh)
Inventor
不公告发明人
Original Assignee
程华伟
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 程华伟 filed Critical 程华伟
Priority to CN201810099282.3A priority Critical patent/CN110103409A/en
Publication of CN110103409A publication Critical patent/CN110103409A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/2602Mould construction elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/27Sprue channels Runner channels or runner nozzles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/27Sprue channels Runner channels or runner nozzles
    • B29C45/2737Heating or cooling means therefor

Abstract

The present invention provides a kind of multilayer hot runner plastic injection moulds;For under normal circumstances, single-layer type hot runner manifold is relatively difficult to the control requirement changed in 1 degree of temperature range, thus, devise better temperature control hot runner manifold and its hot flow path building and matched die structure of hot runner;Mold includes die carrier structure component, molding assembly, hot flow path component;Mold hot flow mouth uses needle valve control mode, can be according to needing to be balanced pouring type control to the injection molding between die cavity.

Description

A kind of multilayer hot runner plastic injection mould
Technical field
The present invention relates to injection mold mechanism design field, specially a kind of multilayer hot runner plastic injection mould.
Background technique
In injection mold, more injection-moulded plastic can be saved by being poured using hot flow path to product, can accomplish nothing Waste material injection molding production, but when injection-moulded plastic flows in hot runner mould, it is difficult to accomplish to do molten plastic effective temperature control System must design special sensibility hot runner structure to be poured to product if the demanding plastics of temperature sensitive degree, Under normal circumstances, single-layer type hot runner manifold is relatively difficult to the control requirement changed in 1 degree of temperature range, it is then desired to set Count better temperature control hot runner manifold and its hot flow path building and matched die structure of hot runner.
Summary of the invention
Technical problem to be solved by the present invention lies in a kind of multilayer hot runner plastic injection mould is provided, mold design is reasonable, Hot runner mechanism is compact-sized, the operation is stable, securely and reliably, easy-to-use;In order to solve the above-mentioned prior art problems, of the invention Using following scheme: a kind of multilayer hot runner plastic injection mould, including it is sprue bush, locating ring, cast gate sheath, hot flow path, upper heat-insulated Plate, panel, hot flow path cavity plate, heat-insulating cushion block, hot runner gate, cavity plate, type chamber mold insert, core plate, type core mold insert, ejector retainner plate are led Column, thimble cover board, thimble push plate, Guided Ejection Bushing, bottom plate, lower thermal insulation board, support column, release link, release link spring, hot flow path Electric-controlled box, hot flow path upper plate, plug, plywood positioning pin, plate, hot flow path lower plate, runner plug, elastic pad, product in hot flow path Thimble, runner mandril, push rod, support block, hot runner gate.
Preferably, the mold die carrier structure component includes upper thermal insulation board, panel, hot flow path cavity plate, cavity plate, type core Plate, bottom plate, lower thermal insulation board, support column, support block;Upper thermal insulation board, panel, hot flow path cavity plate, cavity plate are fastened by screw and are combined The cover half part of mold is constituted together;The space that hot flow path cavity plate is constituted is for installing the double-deck hot runner manifold;Cavity plate is used for Fixed chamber mold insert;Upper thermal insulation board is used to be isolated the heat transfer of panel and fixed die plate of injection molding machine;Core plate, bottom plate, lower thermal insulation board, mould Foot fits together the dynamic model part for constituting mold by screw fastening;Lower thermal insulation board is for completely cutting off bottom plate and mold injection molding used Heat transfer between motor-driven template;Support column is used to enhance the intensity of core plate.
Preferably, the mold molding assembly includes type chamber mold insert, type core mold insert;Type chamber mold insert, type core mold insert are constituted The forming part of product, one shares 12 groups, and each group of type chamber mold insert, type core mold insert are respectively arranged in mould by screw fastening In the cavity plate of tool, core plate.According to a kind of multilayer hot runner plastic injection mould of claim, the mould ejection component includes Ejector retainner plate guide post, thimble cover board, thimble push plate, Guided Ejection Bushing, release link, release link spring, product thimble, runner mandril, Push rod;After thimble cover board, thimble push plate are combined by screw fastening, installed by Guided Ejection Bushing, ejector retainner plate guide post In on bottom plate, for installing the parts such as product thimble, runner mandril, push rod, release link, release link spring;Release link, release link Rollback of the spring for thimble cover board, thimble push plate resets.
Preferably, the mold hot flow component includes sprue bush, locating ring, cast gate sheath, hot flow path electric-controlled box, heat Runner upper plate, plug, plywood positioning pin, plate, hot flow path lower plate, runner plug, elastic pad, hot runner gate in hot flow path;Cast gate Set is installed on hot flow path upper plate, and for docking injection molding machine nozzle plastics stream, locating ring is installed on panel, is being infused for mold Installation on molding machine solid plate;Cast gate sheath prevents injection molding machine nozzle stream from sputtering;Hot flow path electric-controlled box is installed on hot flow path chamber On the outside of plate, for controlling the open and close control and temperature control modulation of each hot runner gate;In hot flow path upper plate, hot flow path under plate, hot flow path Split fits together after plate opens up half round runner respectively, forms compound hot runner manifold, inside sets two layers of hot flow path road, first layer For the distribution of stream, the second layer is used for the charging of each point of hot runner gate;Runner plug for the stifled tight of vertical run, plug For the stifled tight of horizontal run, the two is all set to the end of runner, and elastic pad is installed between hot runner manifold and template, plays The effect of the heat exchange between hot runner manifold and template is isolated;Plywood positioning pin is for plate, hot-fluid in hot flow path upper plate, hot flow path The contraposition of road lower plate is installed;Hot runner gate for dividing docking between hot flow path and die cavity on hot runner manifold, for die cavity into Row injection molding.
Preferably, the mold hot flow mouth uses needle valve control mode, it can be according to needing between die cavity Injection molding is balanced pouring type control.
In the present invention: the technical issues of multilayer hot runner plastic injection mould solves is: single-layer pipeline formula hot flow path is difficult to ± 1 DEG C of control of molten plastic, and control temperature when multiple cast gates is difficult to balance, the beneficial effect reached is: energy Realization accurately controls more pouring heat runner mouths, and temperature deviation is ± 0.2 DEG C, and the outlet pressure of each hot runner gate can also obtain It is balanced to preferable, the pressure difference between each hot runner gate is no more than ± 0.5MPa.
In the present invention: the technical issues of hot flow path component parts solve is: molten plastic flows to respectively with being unable to temperature-controllable It is a to divide hot runner gate, and pressure is difficult to balance, the beneficial effect reached is: can will open into the temperature control of each point of hot flow path At ± 0.2 DEG C,.
In the present invention: the technical issues of die carrier structure component parts solve is: the installation of hot runner manifold and heat-insulating problem reach To beneficial effect be: can be effectively reduced between hot runner manifold and mould template heat conduction.
The present invention is whole, compared to the prior art the uncontrollable problem of single layer hot runner manifold temperature, the beneficial effect is that: The temperature control capability of hot runner manifold can be significantly improved, the balance between the stability and cavity of multi-cavity injection pressure is promoted.
Detailed description of the invention
Fig. 1 mold side sectional view;
Fig. 2 mold front sectional view.
Specific embodiment
Fig. 1-2 show related description figure of the present invention;Specific embodiment is, as shown in Figure 1 and Figure 2, a kind of Multi-layer thermal Runner injection molding die, including sprue bush 1, locating ring 2, cast gate sheath 3, hot flow path 4, upper thermal insulation board 5, panel 6, hot flow path cavity plate 7, heat-insulating cushion block 8, hot runner gate 9, cavity plate 10, type chamber mold insert 11, core plate 12, type core mold insert 13, ejector retainner plate guide post 14, top Needle cover plate 15, thimble push plate 16, Guided Ejection Bushing 17, bottom plate 18, lower thermal insulation board 19, support column 20, release link 21, release link bullet Spring 22, hot flow path electric-controlled box 23, hot flow path upper plate 24, plug 25, plywood positioning pin 26, plate 27, hot flow path lower plate in hot flow path 28, runner plug 29, elastic pad 30, product thimble 31, runner mandril 32, push rod 33, support block 34, hot runner gate 35.
The mold die carrier structure component includes upper thermal insulation board 5, panel 6, hot flow path cavity plate 7, cavity plate 10, core plate 12, bottom plate 18, lower thermal insulation board 19, support column 20, support block 34;Upper thermal insulation board 5, panel 6, hot flow path cavity plate 7, cavity plate 10 pass through The cover half part for constituting mold is combined in screw fastening;The space that hot flow path cavity plate 7 is constituted is for installing the double-deck hot flow path Plate;Cavity plate 10 is used for fixed chamber mold insert 11;Upper thermal insulation board 5 is used to be isolated the heat transfer of panel 6 Yu fixed die plate of injection molding machine;Type core Plate 12, bottom plate 18, lower thermal insulation board 19, support block 34 fit together the dynamic model part for constituting mold by screw fastening;Under it is heat-insulated Plate is used for the heat transfer completely cut off between Injection Motor Template used in bottom plate 18 and mold;Support column 20 is for enhancing the strong of core plate 12 Degree.
The mold molding assembly includes type chamber mold insert 11, type core mold insert 13;Type chamber mold insert 11, type core mold insert 13, which are constituted, to be produced The forming part of product, one shares 12 groups, and each group of type chamber mold insert 11, type core mold insert 13 are respectively arranged in by screw fastening In the cavity plate 10 of mold, core plate 12.
The mould ejection component include ejector retainner plate guide post 14, thimble cover board 15, thimble push plate 16, Guided Ejection Bushing 17, Release link 21, release link spring 22, product thimble 31, runner mandril 32, push rod 33;Thimble cover board 15, thimble push plate 16 pass through After screw fastening is combined, it is installed on bottom plate 18 by Guided Ejection Bushing 17, ejector retainner plate guide post 14, for installing product The parts such as thimble 31, runner mandril 32, push rod 33, release link 21, release link spring 22;Release link 21, release link spring 22 are used It is resetted in the rollback of thimble cover board 15, thimble push plate 16.
The mold hot flow component includes sprue bush 1, locating ring 2, cast gate sheath 3, hot flow path electric-controlled box 23, hot flow path Upper plate 24, plug 25, plywood positioning pin 26, plate 27, hot flow path lower plate 28, runner plug 29, elastic pad 30, hot-fluid in hot flow path Road mouth 35;Sprue bush 1 is installed on hot flow path upper plate 24, and for docking injection molding machine nozzle plastics stream, locating ring 2 is installed on panel On 6, for installation of the mold on fixed die plate of injection molding machine;Cast gate sheath 3 prevents injection molding machine nozzle stream from sputtering;Hot flow path is automatically controlled Box 23 is installed on 7 outside of hot flow path cavity plate, for controlling the open and close control and temperature control modulation of each hot runner gate;Hot flow path upper plate 24, plate 27 in hot flow path, split fits together after hot flow path lower plate 28 opens up half round runner respectively, form compound hot flow path Plate inside sets two layers of hot flow path road, and first layer is used for the distribution of stream, and the second layer is used for the charging of each point of hot runner gate;Runner is stifled First 29 for the stifled tight of vertical run, plug 25 for the stifled tight of horizontal run, the two is all set to the end of runner, elastic Pad 30 is installed between hot runner manifold and template, plays the role of the heat exchange being isolated between hot runner manifold and template;Plywood is fixed Contraposition installation of the position pin 26 for plate 27, hot flow path lower plate 28 in hot flow path upper plate 24, hot flow path;Hot runner gate 35 is used for hot-fluid Divide docking between hot flow path and die cavity on guidance tape, for being molded to die cavity.
The mold hot flow mouth uses needle valve control mode, can be flat according to needing to carry out the injection molding between die cavity The pouring type that weighs controls.
The application method of the mold includes the following steps that in actual work, the course of work of mechanism is divided into following step It is rapid:
1) mold is closed, and molten plastic is injected the stream in hot flow path composite plate by alignment sprue bush 1 by injection molding machine nozzle In road, the temperature in computer heating control runner plate is carried out to hot runner manifold by each line end of hot flow path electric-controlled box (23), then, is melted Melt plastics to flow through hot runner gate (35) and inject each die cavity, carries out formed product;
2) injection molding finishes, and mold is opened, and Injection Motor Template driven mold dynamic model retreats, and injection molding machine mandril pushes product top Needle (31), runner mandril (32) eject product from type core mold insert (13), realize the complete demoulding of product;
3) it resets, when reset, mold actions are opposite with die sinking movement.
Specific embodiment described herein is only an example for the spirit of the invention, the neck of technology belonging to the present invention The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.

Claims (5)

1. a kind of multilayer hot runner plastic injection mould, including sprue bush (1), the locating ring (2), cast gate sheath (3), hot flow path (4), upper thermal insulation board (5), panel (6), hot flow path cavity plate (7), heat-insulating cushion block (8), hot runner gate (9), cavity plate (10), type chamber Mold insert (11), core plate (12), type core mold insert (13), ejector retainner plate guide post (14), thimble cover board (15), thimble push plate (16), top Needle plate guide sleeve (17), bottom plate (18), lower thermal insulation board (19), support column (20), release link (21), release link spring (22), hot-fluid Road electric-controlled box (23), hot flow path upper plate (24), plug (25), plywood positioning pin (26), plate (27), hot flow path lower plate in hot flow path (28), runner plug (29), elastic pad (30), product thimble (31), runner mandril (32), push rod (33), support block (34), hot-fluid Road mouth (35);The mold die carrier structure component includes upper thermal insulation board (5), panel (6), hot flow path cavity plate (7), cavity plate (10), core plate (12), bottom plate (18), lower thermal insulation board (19), support column (20), support block (34);Upper thermal insulation board (5), panel (6), hot flow path cavity plate (7), cavity plate (10) combine the cover half part for constituting mold by screw fastening;Hot flow path chamber The space that plate (7) is constituted is for installing the double-deck hot runner manifold;Cavity plate (10) is used for fixed chamber mold insert (11);Upper thermal insulation board (5) for the heat transfer of panel (6) and fixed die plate of injection molding machine to be isolated;Core plate (12), bottom plate (18), lower thermal insulation board (19), support block (34) dynamic model part for constituting mold is fitted together by screw fastening;Lower thermal insulation board is for completely cutting off bottom plate (18) and mold institute With the heat transfer between Injection Motor Template;Support column (20) is used to enhance the intensity of core plate (12);The mold molding assembly Including type chamber mold insert (11), type core mold insert (13);The forming part of type chamber mold insert (11), type core mold insert (13) composition product, one Share 12 groups, each group of type chamber mold insert (11), type core mold insert (13) are respectively arranged in the type chamber of mold by screw fastening On plate (10), core plate (12).
2. a kind of multilayer hot runner plastic injection mould according to claim 1, the mould ejection component include ejector retainner plate guide post (14), Thimble cover board (15), thimble push plate (16), Guided Ejection Bushing (17), release link (21), release link spring (22), product thimble (31), runner mandril (32), push rod (33);After thimble cover board (15), thimble push plate (16) are combined by screw fastening, It is installed on bottom plate (18) by Guided Ejection Bushing (17), ejector retainner plate guide post (14), for installing product thimble (31), runner top The parts such as bar (32), push rod (33), release link (21), release link spring (22);Release link (21), release link spring (22) are used for The rollback reset of thimble cover board (15), thimble push plate (16).
3. a kind of multilayer hot runner plastic injection mould according to claim 1, the mold hot flow component includes sprue bush (1), determines Position circle (2), cast gate sheath (3), hot flow path electric-controlled box (23), hot flow path upper plate (24), plug (25), plywood positioning pin (26), Plate (27), hot flow path lower plate (28), runner plug (29), elastic pad (30), hot runner gate (35) in hot flow path;Sprue bush (1) It is installed on hot flow path upper plate (24), for docking injection molding machine nozzle plastics stream, locating ring (2) is installed on panel (6), is used for Installation of the mold on fixed die plate of injection molding machine;Cast gate sheath (3) prevents injection molding machine nozzle stream from sputtering;Hot flow path electric-controlled box (23) It is installed on the outside of hot flow path cavity plate (7), for controlling the open and close control and temperature control modulation of each hot runner gate;Hot flow path upper plate (24), plate (27) in hot flow path, split fits together after hot flow path lower plate (28) opens up half round runner respectively, form compound Hot runner manifold inside sets two layers of hot flow path road, and first layer is used for the distribution of stream, and the second layer is used for the charging of each point of hot runner gate; Runner plug (29) for the stifled tight of vertical run, plug (25) for the stifled tight of horizontal run, the two is all set to runner End, elastic pad (30) are installed between hot runner manifold and template, play the heat exchange between isolation hot runner manifold and template Effect;Contraposition of the plywood positioning pin (26) for plate (27), hot flow path lower plate (28) in hot flow path upper plate (24), hot flow path is pacified Dress;Hot runner gate (35) is for dividing docking between hot flow path and die cavity on hot runner manifold, for being molded to die cavity.
4. a kind of multilayer hot runner plastic injection mould according to claim 1, the mold hot flow mouth uses needle valve control mode, It can be according to needing to be balanced pouring type control to the injection molding between die cavity.
5. the application method of multilayer hot runner plastic injection mould.
CN201810099282.3A 2018-02-01 2018-02-01 A kind of multilayer hot runner plastic injection mould Pending CN110103409A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810099282.3A CN110103409A (en) 2018-02-01 2018-02-01 A kind of multilayer hot runner plastic injection mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810099282.3A CN110103409A (en) 2018-02-01 2018-02-01 A kind of multilayer hot runner plastic injection mould

Publications (1)

Publication Number Publication Date
CN110103409A true CN110103409A (en) 2019-08-09

Family

ID=67483183

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810099282.3A Pending CN110103409A (en) 2018-02-01 2018-02-01 A kind of multilayer hot runner plastic injection mould

Country Status (1)

Country Link
CN (1) CN110103409A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110625897A (en) * 2019-09-30 2019-12-31 苏州奥斯姆热流道科技有限公司 Improvement of service life of PFA plastic raw material hot runner of automobile battery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110625897A (en) * 2019-09-30 2019-12-31 苏州奥斯姆热流道科技有限公司 Improvement of service life of PFA plastic raw material hot runner of automobile battery

Similar Documents

Publication Publication Date Title
CN101088738A (en) Open loop pressure control for injection molding
CN108688080A (en) A kind of line position hot mouth injection mold
CN102596533B (en) A method and system for operating an injection molding machine
CN202088402U (en) One-mould one-cavity hot runner injection mould
CN102922671A (en) Resin transfer moulding mold and resin transfer moulding molding system
CN101746026A (en) Needle-valve order hot runner injection molding method
CN107984703A (en) A kind of new-energy automobile lamp holder and its manufacture method
CN110103409A (en) A kind of multilayer hot runner plastic injection mould
CN102069567A (en) Spring valve type gate hot runner
CN108454025A (en) A kind of manufacturing method of plastic products
CN101244621B (en) Rubber injection moulding cold flow path
CN108556279A (en) A kind of multi-cavity line position hot runner plastic injection mould
CN206446051U (en) An a kind of pipe injection molding channel structure
CN206242405U (en) The needle valve gate mechanism of engineering wallboard injection mold
CN202137903U (en) Glue injection mould with temperature measuring hole
CN202029330U (en) Hot runner mold and hot runner device
CN209426049U (en) Injection mold is prepared applied to household electrical appliances functions shell
CN201169038Y (en) Rubber injecting molded cold runner
CN202640669U (en) Hot flow passage mold adopting guide tube forming
CN207736657U (en) First three quarter window of one kind or so deckboard
CN206465367U (en) A kind of Novel integrated injection machine
CN105799124A (en) Cold runner device of liquid silicon rubber injection mold
CN105150464A (en) Injection die with heat insulating runner
CN202213151U (en) Glue injection die runner
CN213227304U (en) Sandwich injection molding assembly for injection mold

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190809