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 PDFInfo
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- 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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- plate
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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
- B29C45/14—Injection 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
- B29C45/1418—Injection 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
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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
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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
- B29C45/2681—Moulds with rotatable mould parts
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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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
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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
- B29C2045/2683—Plurality of independent mould cavities in a single mould
- B29C2045/2685—Plurality of independent mould cavities in a single mould filled with different materials
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- 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
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/3029—Handgrips
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
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
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).
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)
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| CN (1) | CN112757557A (en) |
Cited By (1)
| 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 |
-
2021
- 2021-01-21 CN CN202110081154.8A patent/CN112757557A/en active Pending
Cited By (2)
| 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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