CN112757557A - Stepped ejection structure of injection mold for automobile door plate handle framework - Google Patents

Stepped ejection structure of injection mold for automobile door plate handle framework Download PDF

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Publication number
CN112757557A
CN112757557A CN202110081154.8A CN202110081154A CN112757557A CN 112757557 A CN112757557 A CN 112757557A CN 202110081154 A CN202110081154 A CN 202110081154A CN 112757557 A CN112757557 A CN 112757557A
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CN
China
Prior art keywords
plate
cavity
core
product
mold
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
CN202110081154.8A
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Chinese (zh)
Inventor
胡卫民
肖惠平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taizhou Huangyan Xingtai Plastic Mold Co ltd
Original Assignee
Taizhou Huangyan Xingtai Plastic Mold Co ltd
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 Taizhou Huangyan Xingtai Plastic Mold Co ltd filed Critical Taizhou Huangyan Xingtai Plastic Mold Co ltd
Priority to CN202110081154.8A priority Critical patent/CN112757557A/en
Publication of CN112757557A publication Critical patent/CN112757557A/en
Pending legal-status Critical Current

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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
    • B29C45/14Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • 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
    • 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
    • B29C45/2681Moulds with rotatable mould parts
    • 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
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • 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
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/44Removing or ejecting moulded articles for undercut articles
    • 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
    • B29C2045/2683Plurality of independent mould cavities in a single mould
    • B29C2045/2685Plurality of independent mould cavities in a single mould filled with different materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/30Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005Body finishings
    • B29L2031/3029Handgrips

Abstract

The invention provides a stepped ejection structure of an injection mold of a handle framework of an automobile door panel, which comprises a cavity fixing plate, a hot runner plate, a cavity ejector rod panel, a cavity plate, a core ejector rod panel and a core fixing plate, wherein the core fixing plate is connected to an injection molding machine through a rotary workbench, and a soft rubber side product cavity and a hard rubber side product cavity are symmetrically arranged between the core plate and the cavity plate from left to right; after the injection molding mold of the hard rubber side product is opened, the rotary workbench drives the core plate to rotate 180 degrees, and then the mold is closed to perform soft rubber side injection molding; a sliding block, a core insert and a core pulling oil cylinder are obliquely arranged in the core plate, and the core pulling action is realized before the product on the soft rubber side is ejected, so that the subsequent soft rubber product is ejected conveniently; and a stepped push pipe and an integral inclined ejector block are arranged in the core plate, and a soft rubber product is ejected out after the mold is opened. The invention has the advantages that the soft rubber and the hard rubber parts of the automobile door plate handle framework are injected in the same pair of dies, the production efficiency is high, and the product quality is good.

Description

Stepped ejection structure of injection mold for automobile door plate handle framework
Technical Field
The invention relates to an injection mold, in particular to a step-by-step ejection structure of an injection mold for a handle framework of an automobile door panel.
Background
Automobile door plant handle skeleton product includes the ebonite part in the middle of and the flexible glue part of cladding in the ebonite outside, adopt two pairs of moulds to produce at present usually, mould plastics out the ebonite product with a pair of mould earlier, take out the ebonite skeleton product after the die sinking, put into the flexible glue mould with the ebonite skeleton product again, carry out the flexible glue cladding and mould plastics, because the ebonite product need be installed again after the cooling and mould plastics on the flexible glue mould, efficiency is extremely low, and the ebonite product can not do the accurate positioning when putting into the flexible glue mould, the flexible glue cladding product that can lead to every to mould plastics out has certain deviation, influence product quality.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a step-by-step ejection structure of an injection mold for a handle framework of an automobile door panel, which adopts a mode of ejecting a pair of molds step by step to inject a handle framework product of the automobile door panel, and has novel structure and high injection efficiency.
The technical scheme is that the step-by-step ejection structure of the injection mold of the automobile door plate handle framework comprises a cavity fixing plate, a hot runner plate, a cavity ejector rod panel, a cavity plate, a core ejector rod panel and a core fixing plate, wherein the core fixing plate is connected to an injection molding machine through a rotary workbench, a soft rubber side product cavity and a hard rubber side product cavity are symmetrically arranged between the core plate and the cavity plate in the left-right direction, a hard rubber side hot runner system is correspondingly arranged at the hard rubber side product cavity, a soft rubber side hot runner system is correspondingly arranged at the soft rubber side product cavity, an inclined ejection block mechanism and a straight ejection block mechanism are arranged in the cavity plate, a cavity side ejection oil cylinder for pushing the cavity ejector rod panel to perform ejection motion is connected to the outer side of the cavity plate, and the cavity ejector rod panel drives the inclined ejection block mechanism to loose cores and eject out; after the injection molding mold of the hard rubber side product is opened, the rotary workbench drives the core plate to rotate 180 degrees, and then the mold is closed to perform soft rubber side injection molding; a sliding block, a core insert and a core pulling oil cylinder are obliquely arranged in the core plate, and the core pulling action is realized before the product on the soft rubber side is ejected, so that the subsequent soft rubber product is ejected conveniently; and a stepped push pipe and an integral inclined ejector block are arranged in the core plate, and a soft rubber product is ejected out after the mold is opened.
Preferably, a cavity supporting column is arranged between the cavity fixing plate and the cavity plate.
Preferably, a cavity plate supporting plate is arranged between the hot runner plate and the cavity plate, and a heat insulation plate is arranged between the cavity plate supporting plate and the cavity plate.
Preferably, a mold leg is arranged between the core plate and the core fixing plate, and a heat insulation plate is arranged between the mold leg and the core plate.
According to the invention, the soft rubber and the hard rubber parts of the automobile door panel handle framework are injected in the same pair of dies, the product does not need to be taken out, the production efficiency is high, and the quality of the injected product is good.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view of another embodiment of the present invention;
FIG. 3 is a schematic view of the structure of the cavity side of the present invention;
FIG. 4 is a schematic structural diagram of the product of the present invention after injection molding of the hard glue;
FIG. 5 is a schematic view of the structure of the product after injection molding of soft gum on the surface of the ebonite product of the invention;
FIG. 6 is a schematic structural view of the lifter block mechanism according to the present invention;
FIG. 7 is a schematic structural view of the straight ejector block mechanism of the present invention;
wherein: 1-a cavity fixing plate; 2-hot runner plate; 3-a cavity ejector rod panel; 4-cavity plate; 5, a core plate; 6-core ejector pin panel; 7, fixing a core; 8-a flexible glue side product cavity; 9-hard rubber side product cavity; 10-a glue side heat flow channel system; 11-soft gum side hot runner system; 12-a slanted ejecting block mechanism; 13-straight ejector block mechanism; 14-ejecting an oil cylinder from the side of the cavity; 15-a slide block; 16-core insert; 17-core pulling oil cylinder; 18-step push pipe; 19-integral inclined ejector block; 20-a cavity support column; 21-cavity plate pallet; 22-a heat insulation plate; 23-mould leg.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 7, the invention provides a step-by-step ejection structure of an injection mold for a handle framework of an automobile door panel, which comprises a cavity fixing plate 1, a hot runner plate 2, a cavity ejector rod panel 3, a cavity plate 4, a core plate 5, a core ejector rod panel 6 and a core fixing plate 7, the core fixing plate 7 is connected to an injection molding machine through a rotary workbench, a soft rubber side product cavity 8 and a hard rubber side product cavity 9 are symmetrically arranged between the core plate 5 and the cavity plate 4 in the left-right direction, a hard glue side heat runner system 10 is correspondingly arranged at the position of the hard glue side product cavity 9, a soft glue side heat runner system 11 is correspondingly arranged at the position of the soft glue side product cavity 8, an inclined ejector block mechanism 12 and a straight ejector block mechanism 13 are arranged in the cavity plate 4, a cavity side ejection oil cylinder 14 for pushing the cavity ejector rod panel 3 to perform ejection motion is connected to the outer side of the cavity plate 4, and the cavity ejector rod panel 3 drives the inclined ejector block mechanism 12 to loose core and eject out before the mold is opened; after the injection molding mold of the hard rubber side product is opened, the rotary workbench drives the core plate 5 to rotate 180 degrees, and then the mold is closed to perform soft rubber side injection molding; a slide block 15, a core insert 16 and a core pulling oil cylinder 17 are obliquely arranged in the core plate 5, and the core pulling action is realized before the product on the soft rubber side is ejected, so that the subsequent soft rubber product is ejected conveniently; a stepped push pipe 18 and an integral inclined ejector block 19 are arranged in the core plate 5, and a soft rubber product is ejected after the mold is opened.
Preferably, a cavity supporting column 20 is arranged between the cavity fixing plate 1 and the cavity plate 4.
Preferably, a cavity plate supporting plate 21 is arranged between the hot runner plate 2 and the cavity plate 4, and a heat insulation plate 22 is arranged between the cavity plate supporting plate 21 and the cavity plate 4.
Preferably, a mold leg 23 is arranged between the core plate 5 and the core fixing plate 7, and a heat insulation plate 22 is arranged between the mold leg 23 and the core plate 5.
The working process of the invention is as follows: referring to the attached drawing, the left side is a ebonite side product cavity, the right side is a soft gum side product cavity, firstly, the mold is closed, an inclined ejector block mechanism 12 and a straight ejector block mechanism 13 in a cavity plate 4 are reset, the cavity plate 4 and a core plate 5 are closed, injection molding is carried out in the ebonite side product cavity, the inclined ejector block mechanism 12 and the straight ejector block mechanism 13 are ejected after the ebonite product is injected, the cavity plate 4 and the core plate 5 are opened, a core fixing plate 7 and the core plate 6 are rotated 180 degrees by a rotary workbench, so that a core on the ebonite side is rotated to the cavity on the soft gum side, and as the core part of the product on the soft gum side and the ebonite side on the core plate 5 is the same, the mold can still be matched for use after the mold is closed. And then the core plate 5 and the cavity plate 4 are assembled, the soft rubber part of the product is injected on the soft rubber side, and the hard rubber part of the product is still injected on the hard rubber side. After the injection molding of the product on the soft rubber side is finished, the inclined ejector block mechanism 12 and the straight ejector block mechanism 13 are ejected, the die cavity plate 4 and the core plate 5 are opened, then the core-pulling oil cylinder 17 moves, the core insert 16 is ejected through the slide block 15, then the ejection mechanism in the core plate 5 ejects the soft rubber product through the stepped push pipe 18 and the integral inclined ejector block 19, and the product which is taken out is a finished product. And then continuously repeating the action of rotating the core fixing plate 7 and the core plate 6 by 180 degrees by rotating the working table, and performing cyclic injection molding in such a way, thereby finally realizing the rapid and efficient injection molding of the automobile door plate handle framework product.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change or modification made to the above embodiments according to the technical principle of the present invention still falls within the scope of the technical solution of the present invention.

Claims (4)

1. The utility model provides an ejecting structure of car door plant handle skeleton injection mold substep which characterized in that: comprises a cavity fixing plate (1), a hot runner plate (2), a cavity ejector rod panel (3), a cavity plate (4), a core plate (5), a core ejector rod panel (6) and a core fixing plate (7), wherein the core fixing plate (7) is connected to an injection molding machine through a rotary worktable, a soft rubber side product cavity (8) and a hard rubber side product cavity (9) are symmetrically arranged between the core plate (5) and the cavity plate (4) in a left-right mode, a hard rubber side hot runner system (10) is correspondingly arranged at the position of the hard rubber side product cavity (9), a soft rubber side hot runner system (11) is correspondingly arranged at the position of the soft rubber side product cavity (8), an inclined ejector block mechanism (12) and a straight ejector block mechanism (13) are arranged in the cavity plate (4), and a cavity side ejection oil cylinder (14) for pushing the cavity ejector rod panel (3) to perform ejection motion is connected to the outer side of the cavity plate (4), before the mold is opened, the cavity ejector rod panel (3) drives the inclined ejector block mechanism (12) to loose and eject; after the hard rubber side product injection molding mold is opened, the workbench is rotated to drive the core plate (5) to rotate 180 degrees, and then the mold is closed to perform soft rubber side injection molding; a sliding block (15), a core insert (16) and a core pulling oil cylinder (17) are obliquely arranged in the core plate (5), and the core pulling action is realized before the product on the soft rubber side is ejected, so that the subsequent soft rubber product is ejected conveniently; a stepped push pipe (18) and an integral inclined ejector block (19) are arranged in the core plate (5), and a soft rubber product is ejected after the mold is opened.
2. The stepped ejection structure of the injection mold for the handle framework of the automobile door panel according to claim 1, characterized in that: and a cavity supporting column (20) is arranged between the cavity fixing plate (1) and the cavity plate (4).
3. The stepped ejection structure of the injection mold for the handle framework of the automobile door panel according to claim 1, characterized in that: a cavity plate supporting plate (21) is arranged between the hot runner plate (2) and the cavity plate (4), and a heat insulation plate (22) is arranged between the cavity plate supporting plate (21) and the cavity plate (4).
4. The stepped ejection structure of the injection mold for the handle framework of the automobile door panel according to claim 1, characterized in that: and a mold leg (23) is arranged between the core plate (5) and the core fixing plate (7), and a heat insulation plate (22) is arranged between the mold leg (23) and the core plate (5).
CN202110081154.8A 2021-01-21 2021-01-21 Stepped ejection structure of injection mold for automobile door plate handle framework Pending CN112757557A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110081154.8A CN112757557A (en) 2021-01-21 2021-01-21 Stepped ejection structure of injection mold for automobile door plate handle framework

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110081154.8A CN112757557A (en) 2021-01-21 2021-01-21 Stepped ejection structure of injection mold for automobile door plate handle framework

Publications (1)

Publication Number Publication Date
CN112757557A true CN112757557A (en) 2021-05-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110081154.8A Pending CN112757557A (en) 2021-01-21 2021-01-21 Stepped ejection structure of injection mold for automobile door plate handle framework

Country Status (1)

Country Link
CN (1) CN112757557A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115195016A (en) * 2022-06-13 2022-10-18 常州新泉汽车零部件有限公司 Double-material injection mold interior decoration production process for automobile interior decoration rolling door

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115195016A (en) * 2022-06-13 2022-10-18 常州新泉汽车零部件有限公司 Double-material injection mold interior decoration production process for automobile interior decoration rolling door
CN115195016B (en) * 2022-06-13 2023-10-13 常州新泉汽车零部件有限公司 Production process for inner decoration of double-material injection mold of automobile inner decoration roller shutter door

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