CN115195053A - Novel rear mold core pulling structure - Google Patents

Novel rear mold core pulling structure Download PDF

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Publication number
CN115195053A
CN115195053A CN202210772437.1A CN202210772437A CN115195053A CN 115195053 A CN115195053 A CN 115195053A CN 202210772437 A CN202210772437 A CN 202210772437A CN 115195053 A CN115195053 A CN 115195053A
Authority
CN
China
Prior art keywords
product
core pulling
mounting panel
fixed block
slider
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
CN202210772437.1A
Other languages
Chinese (zh)
Inventor
邝志辉
唐林丁
陈建国
贺超
王云玉
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.)
GAC Component Co Ltd
Original Assignee
GAC Component 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 GAC Component Co Ltd filed Critical GAC Component Co Ltd
Priority to CN202210772437.1A priority Critical patent/CN115195053A/en
Publication of CN115195053A publication Critical patent/CN115195053A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B29C45/332—Mountings or guides therefor; Drives therefor
    • 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
    • B29C45/4005—Ejector constructions; Ejector operating mechanisms
    • B29C45/401—Ejector pin constructions or mountings
    • 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
    • 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
    • B29C2045/338—Mould parts with combined axial and transversal movements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention discloses a novel rear mold core pulling structure which comprises a movable mold plate, wherein a first mounting plate, a second mounting plate and a fixed mold plate are sequentially overlapped on the movable mold plate, a product accommodating cavity is formed between the first mounting plate and the second mounting plate, a core pulling body of a first hole site for molding a product is movably arranged on the first mounting plate up and down, an ejector rod assembly of a second hole site for molding the product is arranged in the product accommodating cavity of the second mounting plate, and a linkage assembly for synchronizing the movement of the ejector rod assembly to drive the movement of the core pulling body is further arranged in the product accommodating cavity. The novel rear die core pulling structure can effectively solve the problem that a long deep hole with a buckle structure of a product part structure is difficult to demould; specifically, the ejector rod assembly and the core-pulling body are in linkage design, so that the ejector rod assembly is firstly separated from a product, and then the core-pulling body is subjected to demolding, the product cannot be damaged by pulling, the product quality is ensured, and the injection molding efficiency is effectively improved.

Description

Novel rear mold core pulling structure
Technical Field
The invention relates to the technical field of core-pulling structures, in particular to a novel rear mold core-pulling structure.
Background
The existing shifter panel product has a long deep hole and a buckled opponent part mounting structure, and the product also relates to other complex structures, such as a radial buckling structure at the position of the long deep hole, so that a sliding block and a special ejection mechanism are required to be arranged for conventional structural die opening, and the existing common structure on the market can not be subjected to die stripping, so that a forming structure needs to be redesigned, and a structure capable of meeting the surface quality needs to be designed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a novel rear mold core pulling structure which can ensure that a mandril component and a core pulling body are separated from a product together after molding, the product cannot be damaged by pulling, and the product quality is ensured.
The purpose of the invention is realized by adopting the following technical scheme:
the utility model provides a novel back mould structure of loosing core, includes the movable mould board, it is equipped with first mounting panel, second mounting panel and fixed die plate to fold in proper order on the movable mould board, first mounting panel with the product has between the second mounting panel and holds the chamber, the body of loosing core that is used for the first hole site of shaping product is provided with of activity from top to bottom on the first mounting panel, the second mounting panel is located the product holds the ejector pin subassembly that the intracavity was provided with the second hole site that is used for the shaping product, the product holds the intracavity and still is provided with and is used for the synchronization the ejector pin subassembly motion is with the drive the linkage subassembly of the motion of the body of loosing core.
Furthermore, the ejector rod assembly comprises two sliding block fixing blocks movably arranged in the product accommodating cavity, two sliding block ejector rods used for forming second hole sites of products are respectively arranged on the opposite sides of the sliding block fixing blocks, two guide rod assemblies are fixedly arranged on the second mounting plate, and the two guide rod assemblies can drive the two sliding block fixing blocks to horizontally move in opposite directions in a one-to-one correspondence mode when moving upwards along with the second mounting plate.
Further, the guide rod component comprises a guide rod fixing block fixedly arranged on the second mounting plate, a guide rod extending into the slider fixing block is fixedly arranged on the guide rod fixing block, the guide rod is connected with the slider fixing block in a sliding mode and is obliquely distributed in the slider fixing block, and when the second mounting plate moves upwards, the guide rod provides acting force in the horizontal direction of the slider fixing block to drive the slider fixing block to move horizontally.
Furthermore, the linkage component is movably arranged on the core-pulling sliding block in the product accommodating cavity, one end of the core-pulling sliding block is fixedly connected with the sliding block fixing block, and the other end of the core-pulling sliding block is connected with the core-pulling body in a sliding mode through an inclined plane and is used for driving the core-pulling body to move up and down.
Furthermore, an inclined groove is formed in the core pulling sliding block, the inclined surface is located at the bottom of the inclined groove, guide blocks are arranged on the inner side walls of the inclined groove, guide grooves matched with the guide blocks are formed in the two sides of the core pulling body respectively, and a limit stop is further arranged at the low end of the inclined groove.
Furthermore, an ejector pin bottom plate and an ejector pin panel are sequentially stacked on the movable template, the ejector pin bottom plate and the ejector pin panel are located between the movable template and the first mounting plate, and square bars used for determining the length of the ejector pin stroke are further arranged on the movable template.
Furthermore, a hot runner plate is arranged between the second mounting plate and the fixed die plate.
Compared with the prior art, the invention has the beneficial effects that:
the novel rear die core pulling structure can effectively solve the problem that a long deep hole with a buckle structure of a product part structure is difficult to demould;
specifically, through the linkage design of the ejector rod assembly and the core-pulling body, the ejector rod assembly is firstly separated from a product, and then the core-pulling body is used for demolding, so that the product cannot be damaged by pulling, the product quality is ensured, and the injection molding efficiency is effectively improved.
Drawings
FIG. 1 is a schematic cross-sectional view of a novel rear mold core-pulling structure according to the present invention;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1;
fig. 3 is a schematic structural diagram of the product in fig. 1 and 2.
In the figure: 10. the hot runner mold comprises a movable mold plate, 20 parts of a first mounting plate, 30 parts of a second mounting plate, 40 parts of a fixed mold plate, 50 parts of a product, 60 parts of a core pulling body, 71 parts of a sliding block fixing block, 72 parts of a sliding block ejector rod, 731 parts of a guide rod fixing block, 732 parts of a guide rod, 81 parts of a core pulling sliding block, 811 parts of a chute, 812 parts of a guide block, 90 parts of an ejector pin bottom plate, 100 parts of an ejector pin panel, 110 parts of a square gold and 120 parts of a hot runner plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
1-3, including the movable mould board 10, it is equipped with first mounting panel 20 to stack in proper order on the movable mould board 10, second mounting panel 30, hot runner plate 120 and fixed die plate 40, it holds the chamber to have the product between first mounting panel 20 and the second mounting panel 30, what can move about from top to bottom on the first mounting panel 20 is provided with the body 60 of loosing core that is used for the first hole site of shaping product 50, second mounting panel 30 is located the product and holds the ejector pin subassembly that the intracavity was provided with the second hole site that is used for shaping product 50, still be provided with the linkage subassembly that is used for synchronous ejector pin subassembly motion in order to drive the body 60 motion of loosing core in the product holds the intracavity. Through the ejector rod assembly and the core-pulling body 60 linkage design, the ejector rod assembly is firstly separated from the product 50, and then the core-pulling body 60 is used for demolding, so that the product 50 cannot be damaged by pulling, the quality of the product 50 is ensured, and the injection molding efficiency is effectively improved.
On the basis of the structure, the ejector rod assembly comprises two slider fixing blocks 71 movably arranged in the product accommodating cavity, the opposite sides of the two slider fixing blocks 71 are respectively provided with a slider ejector rod 72 for forming a second hole position of a product, the second mounting plate 30 is fixedly provided with two guide rod assemblies, the two guide rod assemblies can drive the two slider fixing blocks 71 to horizontally move in opposite directions in a one-to-one correspondence manner when moving upwards along with the second mounting plate 30, as a preferred embodiment, the guide rod assembly comprises a guide rod fixing block 731 fixedly arranged on the second mounting plate 30, a guide rod 732 extending into the slider fixing block 71 is fixedly arranged on the guide rod fixing block 731, the guide rod 732 is connected with the slider fixing block 71 in a sliding manner and is obliquely distributed in the slider fixing block 71, and when the second mounting plate 30 moves upwards, the guide rod 732 applies a horizontal acting force to the slider fixing block 71 to drive the slider fixing block 71 to horizontally move. Thus, the two slide block fixing blocks 71 horizontally move in opposite directions under the action of the two guide rods 732, and the two slide block push rods 72 are all pulled out of the product 50 along with the mold opening.
On the basis of the structure, the linkage assembly is movably arranged on the core pulling slide block 81 in the product accommodating cavity, one end of the core pulling slide block 81 is fixedly connected with the slide block fixing block 71, the other end of the core pulling slide block is connected with the core pulling body 60 in a sliding mode through an inclined plane and used for driving the core pulling body 60 to move up and down, as a preferred implementation mode, an inclined groove 811 is formed in the core pulling slide block 81, the inclined plane is located at the bottom of the inclined groove 811, guide blocks 812 are respectively arranged on the opposite inner side walls of the inclined groove 811, guide grooves matched with the guide blocks 812 are respectively formed in two sides of the core pulling body 60, and a limit stop is further arranged at the low end of the inclined groove 811.
On the basis of the above structure, the movable mold plate 10 is sequentially stacked with the ejector pin base plate 90 and the ejector pin panel 100, the ejector pin base plate 90 and the ejector pin panel 100 are located between the movable mold plate 10 and the first mounting plate 20, and the movable mold plate 10 is further provided with the square metal 110 for determining the length of the ejector pin stroke.
The mold closing state is as shown in fig. 1, after the injection molding is completed, mold opening is performed, at this time, the mold is separated under the action of a machine platform, namely, the first mounting plate 20 and the second mounting plate 30 are separated, the two slide block fixing blocks 71 horizontally move in opposite directions under the action of the two guide rods 732, the two slide block ejector rods 72 are completely separated from the product 50 along with the mold opening, the core pulling slide block 81 moves rightwards under the drive of one of the slide block fixing blocks 71, at this time, the core pulling body 60 performs core pulling downwards under the drive of the core pulling slide block 81 to separate from the product 50, finally, the product 50 is completely ejected by the ejector pins after separating from the product 50, the whole mold opening motion is completed, and when the mold closing is completed, the mold closing can be completed by resetting reversely.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (7)

1. The utility model provides a novel back mould structure of loosing core which characterized in that: including the movable mould board, it is equipped with first mounting panel, second mounting panel and fixed die plate to fold in proper order on the movable mould board, first mounting panel with the product has between the second mounting panel and holds the chamber, the body of loosing core that is used for the first hole site of shaping product that is provided with of activity from top to bottom on the first mounting panel, the second mounting panel is located the product holds the ejector pin subassembly that the intracavity was provided with the second hole site that is used for the shaping product, the product holds the intracavity and still is provided with and is used for the synchronization ejector pin subassembly motion is in order to drive the linkage subassembly of the body motion of loosing core.
2. The novel rear mold core pulling structure of claim 1, characterized in that: the ejector pin subassembly include two activities set up in the product holds the slider fixed block of intracavity, two the opposite side of slider fixed block is provided with the slider ejector pin that is used for the second hole site of shaping product respectively, the fixed two guide bar subassemblies that are provided with on the second mounting panel, two guide bar subassemblies are following during the second mounting panel upward movement, can the one-to-one drive two slider fixed block toward opposite direction horizontal migration.
3. The novel rear mold core pulling structure of claim 2, characterized in that: the guide rod subassembly including fixed set up in guide rod fixed block on the second mounting panel, the fixed guide rod that extends to on the guide rod fixed block in the slider fixed block that is provided with, the guide rod with slider fixed block sliding connection, and the slope distributes in the slider fixed block, during the second mounting panel upward movement, the guide rod gives slider fixed block horizontal direction's effort, in order to drive slider fixed block horizontal migration.
4. A novel rear mold core pulling structure according to claim 2 or 3, characterized in that: the linkage subassembly for the activity set up in the slider of loosing core of product holding intracavity, the one end of the slider of loosing core with slider fixed block fixed connection, the other end with the body of loosing core passes through inclined plane sliding connection, is used for the drive the body of loosing core up-and-down motion.
5. The novel rear mold core pulling structure of claim 4, wherein: the core pulling device is characterized in that the core pulling slide block is provided with an inclined groove, the inclined surface is located at the bottom of the inclined groove, the opposite inner side walls of the inclined groove are respectively provided with a guide block, two sides of the core pulling body are respectively provided with a guide groove matched with the guide blocks, and the lower end of the inclined groove is also provided with a limit stop.
6. The novel rear mold core pulling structure of claim 1, characterized in that: the movable mould plate is sequentially overlapped with a thimble base plate and a thimble panel, the thimble base plate and the thimble panel are located between the movable mould plate and the first mounting plate, and a square bar used for determining the length of the thimble stroke is further arranged on the movable mould plate.
7. The novel rear mold core pulling structure according to claim 1, characterized in that: and a hot runner plate is also arranged between the second mounting plate and the fixed template.
CN202210772437.1A 2022-06-30 2022-06-30 Novel rear mold core pulling structure Pending CN115195053A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210772437.1A CN115195053A (en) 2022-06-30 2022-06-30 Novel rear mold core pulling structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210772437.1A CN115195053A (en) 2022-06-30 2022-06-30 Novel rear mold core pulling structure

Publications (1)

Publication Number Publication Date
CN115195053A true CN115195053A (en) 2022-10-18

Family

ID=83577797

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210772437.1A Pending CN115195053A (en) 2022-06-30 2022-06-30 Novel rear mold core pulling structure

Country Status (1)

Country Link
CN (1) CN115195053A (en)

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