CN219505228U

CN219505228U - Forming die of plastic part with inclined plane and back-off

Info

Publication number: CN219505228U
Application number: CN202320366777.4U
Authority: CN
Inventors: 许苏章; 陈灿
Original assignee: Zhongshan Fenghua Die Plastic Rubber Co ltd
Current assignee: Zhongshan Fenghua Die Plastic Rubber Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-08-11
Anticipated expiration: 2033-03-02

Abstract

The utility model provides a forming die of a plastic part with an inclined plane and a back-off, which comprises a front die assembly and a back die assembly, wherein the front die assembly comprises a panel, a front template and a front die core, and the back die assembly comprises a back die core, a back template and a bottom plate; the front die assembly is provided with a molding assembly, the molding assembly comprises a shovel base and a molding block, the molding block is used for molding an inclined plane and a back-off on the plastic part, and the shovel base can drive the molding block to be separated from the molded plastic part. According to the utility model, the inclined plane and the inverted buckle on the plastic part are formed by arranging the forming block, and the forming block is driven by the shovel belt to demould, so that the forming block cannot interfere with the plastic part when the forming block is separated from the plastic part, and the quality of the demoulded plastic part is ensured.

Description

Forming die of plastic part with inclined plane and back-off

Technical Field

The utility model relates to the field of moulds, in particular to a forming mould for a plastic part with an inclined plane and a back-off.

Background

The mold is known as a master in the industry and is an important tool for producing plastic parts. The inclined plane and the back-off are simultaneously arranged on part of the plastic parts, the common die structure is difficult to be demolded during demolding, and the quality of the plastic parts after demolding is poor.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art.

The utility model provides a forming die of a plastic part with an inclined plane and a back-off, which comprises a front die assembly and a back die assembly, wherein the front die assembly comprises a panel, a front template and a front die core, and the back die assembly comprises a back die core, a back template and a bottom plate; the forming assembly comprises a shovel base and a forming block, wherein the forming block is used for forming an inclined plane and a back-off on a plastic part, and the shovel base can drive the forming block to be separated from the formed plastic part.

According to some embodiments of the utility model, the upper end of the shovel base is fixedly connected with the panel, a sliding groove is formed in one side of the shovel base, and a sliding protrusion matched with the sliding groove is arranged on the forming block.

According to some embodiments of the utility model, the two sides of the molding block are provided with limiting grooves, the front mold core is provided with a pressing block, the pressing block is provided with limiting protrusions, and the limiting protrusions are slidably connected in the limiting grooves.

According to some embodiments of the utility model, the limit groove is at an angle of inclination consistent with the bottom surface of the molding block.

According to some embodiments of the utility model, the front mold core is provided with a mounting space for mounting the pressing block.

According to some embodiments of the utility model, the rear mold assembly is provided with a first slide block assembly and a second slide block assembly for molding the side shape of the plastic part.

According to some embodiments of the utility model, the front mold assembly is provided with an inclined guide rod for driving the first slide block assembly and the second slide block assembly to be demolded.

The utility model has at least the following technical effects:

1. according to the forming die for the plastic piece with the inclined surface and the inverted buckle, the inclined surface and the inverted buckle on the plastic piece are formed through the forming block, and the forming block is moved by the shovel belt to be demoulded, so that the forming block cannot interfere with the plastic piece when the forming block is separated from the plastic piece, and the quality of the plastic piece after demoulded is ensured.

2. According to the forming die for the plastic part with the inclined plane and the inverted buckle, the front die core is provided with the installation space for installing the pressing block. After the pressing block is installed, the upper surface of the pressing block is flush with the upper surface of the front die core, so that the die has a compact structure and occupies smaller space.

Drawings

FIG. 1 is an overall schematic of an embodiment of the present utility model;

FIG. 2 is a schematic view of a front module assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a rear module assembly according to one embodiment of the present utility model;

FIG. 4 is a schematic illustration of an embodiment of the present utility model with parts removed entirely;

FIG. 5 is a schematic view of a shovel base according to one embodiment of the present utility model;

FIG. 6 is a schematic diagram of a molding block according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram of a briquette according to an embodiment of the utility model.

Reference numerals: panel 100, inclined guide bar 110, front mold plate 200, front mold core 300, installation space 310, rear mold core 400, rear mold plate 500, bottom plate 600, molding assembly 700, shovel base 710, sliding groove 711, molding block 720, sliding protrusion 721, limiting groove 722, press block 800, limiting protrusion 810, first slider assembly 900, and second slider assembly 910.

Detailed Description

The following description is provided with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the disclosure as defined in the claims and their equivalents. The description includes various specific details to aid in understanding, but these details should be regarded as merely exemplary. Accordingly, one of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the present disclosure. In addition, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

The terms and words used in the following description and claims are not limited to literal meanings, but are only used by the inventors to enable a clear and consistent understanding of the disclosure. Thus, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present disclosure are provided for illustration only and not for the purpose of limiting the disclosure as defined by the appended claims and their equivalents.

It is to be understood that the singular form "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component surface" includes reference to one or more such surfaces.

The terms "having," "can have," "including," or "can include" as used in various embodiments of the present disclosure indicate the presence of a corresponding function, operation, element or the like disclosed, but are not limited to additional one or more functions, operations, elements or the like.

Furthermore, it should be understood that the terms "comprises" or "comprising," when used in various embodiments of the present disclosure, are intended to specify the presence of stated features, integers, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, operations, elements, components, or groups thereof.

As shown in fig. 1 to 7, the present utility model provides a molding die for plastic parts with inclined surfaces and reverse fasteners, comprising a front die assembly and a rear die assembly, wherein the front die assembly comprises a panel 100, a front die plate 200 and a front die core 300, and the rear die assembly comprises a rear die core 400, a rear die plate 500 and a bottom plate 600; the front mold assembly is provided with a molding assembly 700, the molding assembly 700 comprises a shovel base 710 and a molding block 720, the molding block 720 is used for molding an inclined plane and a back-off on a plastic part, and the shovel base 710 can drive the molding block 720 to be separated from the molded plastic part. According to the utility model, the forming block 720 is arranged to form the inclined plane and the inverted buckle on the plastic part, and the shovel base 710 drives the forming block 720 to demould, so that the forming block 720 cannot interfere with the plastic part when separating from the plastic part, and the quality of the demoulded plastic part is ensured.

The specific demolding process of the mold is as follows: the front panel 100 is separated from the front mold plate 200, the front mold plate 200 is separated from the rear mold plate 500 after the front panel 100 is separated from the front mold plate 200 by a preset distance, and finally the ejector pins on the rear mold assembly eject the plastic parts.

In some embodiments, the upper end of the shovel base 710 is fixedly connected to the panel 100, a sliding groove 711 is provided on one side of the shovel base 710, and a sliding protrusion 721 matching the sliding groove 711 is provided on the molding block 720. The lower section of the molding block 720 is used for molding the back-off on the plastic part, the bottom surface is used for molding the inclined surface on the plastic part, when the panel 100 is separated from the front template 200, the sliding protrusion 721 slides along the sliding groove 711, and the sliding protrusion 721 and the sliding groove 711 are obliquely arranged, so that the molding block 720 is separated from the back-off of the plastic part first; when the front and rear templates 200 and 500 are separated, the molding block 720 is separated from the inclined surface of the plastic part.

In some embodiments, limiting grooves 722 are formed on two sides of the molding block 720, a pressing block 800 is arranged on the front mold core 300, limiting protrusions 810 are arranged on the pressing block 800, and the limiting protrusions 810 are slidably connected in the limiting grooves 722. When the sliding protrusion 721 slides along the sliding groove 711, the limiting groove 722 also slides along the limiting protrusion 810, so that the molding block 720 is separated from the undercut of the plastic part.

In some embodiments, to ensure that the molding block 720 does not interfere with the plastic part, the quality of the plastic part is ensured, and the inclination angle of the limiting groove 722 is consistent with the inclination angle of the bottom surface of the molding block 720.

In some embodiments, the front mold 300 is provided with a mounting space 310 in which the pressing block 800 is mounted. The installation space 310 is provided for conveniently installing the pressing block 800, and after the pressing block 800 is installed, the upper surface of the pressing block 800 is flush with the upper surface of the front mold core, so that the mold has a compact structure and occupies a smaller space.

In some embodiments, the rear mold assembly is provided with a first slider assembly 900 and a second slider assembly 910 for molding the side shape of the plastic part. The first slider assembly 900 and the second slider assembly 910 are provided to mold the hole sites and patterns on the sides of the plastic part. The first and second slider assemblies 900 and 910 are disengaged from the plastic when the front and rear templates 200 and 500 are disengaged. Specifically, the front mold assembly is provided with an inclined guide rod 110 for driving the first and second slider assemblies 900 and 910 to be released. The first slider assembly 900 and the second slider assembly 910 are driven by the inclined guide rod 110 to separate from the plastic part.

The foregoing is a further detailed description of the utility model in connection with specific embodiments, and it is not intended that the utility model be limited to such description. It will be apparent to those skilled in the art that several simple deductions or substitutions can be made without departing from the spirit of the utility model.

Claims

1. Forming die of plastic part with inclined plane and back-off, its characterized in that: the front mold assembly comprises a panel (100), a front mold plate (200) and a front mold core (300), and the rear mold assembly comprises a rear mold core (400), a rear mold plate (500) and a bottom plate (600); the forming assembly (700) is arranged on the front die assembly, the forming assembly (700) comprises a shovel base (710) and a forming block (720), the forming block (720) is used for forming an inclined plane and a back-off on a plastic part, and the shovel base (710) can drive the forming block (720) to be separated from the formed plastic part.

2. The molding die for the plastic part with the inclined surface and the back-off according to claim 1, wherein: the upper end of the shovel base (710) is fixedly connected with the panel (100), a sliding groove (711) is formed in one side of the shovel base (710), and a sliding protrusion (721) matched with the sliding groove (711) is arranged on the forming block (720).

3. The molding die for the plastic part with the inclined surface and the back-off according to claim 2, wherein: limiting grooves (722) are formed in two sides of the forming block (720), a pressing block (800) is arranged on the front die core (300), limiting protrusions (810) are arranged on the pressing block (800), and the limiting protrusions (810) are slidably connected in the limiting grooves (722).

4. The molding die for the plastic part with the inclined surface and the back-off according to claim 3, wherein: the limit groove (722) is consistent with the inclination angle of the bottom surface of the forming block (720).

5. The molding die for the plastic part with the inclined surface and the back-off according to claim 3, wherein: the front die core (300) is provided with an installation space (310) for installing the pressing block (800).

6. The molding die for the plastic part with the inclined surface and the back-off according to claim 1, wherein: the rear mold assembly is provided with a first sliding block assembly (900) and a second sliding block assembly (910) for forming the side surface shape of the plastic part.

7. The molding die for the plastic part with the inclined surface and the back-off as set forth in claim 6, wherein: the front die assembly is provided with an inclined guide rod (110) for driving the first sliding block assembly (900) and the second sliding block assembly (910) to be demolded.