CN214239358U

CN214239358U - Injection molding forming die convenient for removing front adhesive film

Info

Publication number: CN214239358U
Application number: CN202021767090.4U
Authority: CN
Inventors: 谢锐
Original assignee: Shenzhen Dongchuang Technology Co Ltd
Current assignee: Shenzhen Dongchuang Technology Co Ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-09-21
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a conveniently remove injection molding forming die of pre-adhesive film, including forming die lower mould benevolence and department section of thick bamboo needle subassembly, forming die lower mould benevolence upper surface is provided with forming workpiece, department section of thick bamboo needle subassembly still includes a department section of thick bamboo and a department section of thick bamboo needle body, department section of thick bamboo needle body top fixedly connected with connects the back-off, department section of thick bamboo needle subassembly top is located inside forming die lower mould benevolence, department section of thick bamboo needle body top flushes with forming workpiece back, the department section of thick bamboo is inside to be seted up with the notch of department section of thick bamboo needle body matched type, it is the inverted trapezoid structure to connect the back-off. The utility model discloses in, go deep into the connection back of the body of department section of thick bamboo needle subassembly top to the thick 0.5mm of shaping work piece back meat, after the completion of moulding plastics, connect the back of the body of department section of thick bamboo needle subassembly during the mould die sinking and hold shaping work piece, make shaping work piece fix in forming die lower mould benevolence, when the needs drawing of patterns, only need upwards promote department section of thick bamboo needle body, make department section of thick bamboo needle body release shaping work piece from forming die lower mould benevolence in, simple structure, the system of being convenient for.

Description

Injection molding forming die convenient for removing front adhesive film

Technical Field

The utility model belongs to the technical field of injection moulding, specifically be a conveniently remove injection molding forming die of membrane before gluing.

Background

Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various designs and colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, suitability for the molding processing fields of mass production, products with complex shapes and the like, and the method can be used for stirring completely molten plastic materials by a screw at a certain temperature, injecting the plastic materials into a mold cavity by high pressure, cooling and solidifying to obtain molded products. The method is suitable for batch production of parts with complex shapes, and is one of important processing methods;

in the prior art, when an injection molding mold is opened, a dome or a flat top is used, the ejector pin is flush with the back surface of a product, and the ejector pin cannot play a role in assisting the product to be separated from a front mold during mold opening, so that the product is adhered to the front mold after the mold is opened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that when an injection molding mold in the prior art is opened, a dome or a flat top is used, a thimble is parallel and level with the back surface of a product, and the thimble cannot play a role in assisting the product to break away from a front mold during opening of the mold, so that the product is adhered to the front mold after opening of the mold, the injection molding mold is convenient to remove the adhered front film.

The utility model adopts the technical scheme as follows: the utility model provides a conveniently remove injection molding forming die of membrane before gluing, includes forming die lower mould benevolence and department section of thick bamboo needle subassembly, forming die lower mould benevolence upper surface is provided with the shaping work piece, department section of thick bamboo needle subassembly still includes a department section of thick bamboo and department section of thick bamboo needle body, department section of thick bamboo needle body top fixedly connected with connection back-off, department section of thick bamboo needle subassembly top is located inside the forming die lower mould benevolence.

In a preferred embodiment, the connecting reverse buckle is of a reverse trapezoidal structure and extends into the back of the formed workpiece to be 0.5mm thick, and when the mold is opened after the injection molding is completed, the connecting reverse buckle pulls the formed workpiece to fix the formed workpiece in the lower mold core of the forming mold.

In a preferred embodiment, the top of the ejector pin body is flush with the back of the formed workpiece.

In a preferred embodiment, the inside of the ejector sleeve is provided with a notch matched with the ejector sleeve needle body.

In a preferred embodiment, the ejector pin body is made of high-speed steel, the hardness is 58-60HRC, products are continuously ejected out of the die running at high speed, and the service life is prolonged.

In a preferred embodiment, the connecting reverse buckle and the ejector pin body are cast in one piece.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, go deep into the connection back of the body of department section of thick bamboo needle subassembly top to be detained and form work piece back meat thickness 0.5mm, after the completion of moulding plastics, connect the back of the body of the falling of detaining during the mould die sinking and hold form work piece, make form work piece fix in forming die lower mould benevolence.

2. The utility model discloses in, when the needs drawing of patterns, only need upwards promote department's section of thick bamboo needle body, make department's section of thick bamboo needle body release the shaping work piece from the mould lower mould benevolence in, simple structure is convenient for make.

Drawings

FIG. 1 is a schematic diagram of the structure of a mold for molding injection molding parts, which facilitates the removal of a front adhesive film;

FIG. 2 is a schematic structural view of A in the injection molding forming mold for conveniently removing the front adhesive film of the present invention;

fig. 3 is the utility model relates to a conveniently remove section view of department's section of thick bamboo needle subassembly among injection molding forming die of membrane before gluing.

The labels in the figure are: 1-forming a lower die core of a mold, 2-ejecting cylinder needle components, 3-forming workpieces, 4-ejecting cylinders, 5-ejecting cylinder needle bodies and 6-connecting back-off.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, an injection molding part forming mold convenient for removing a front adhesive film comprises a forming mold lower mold core 1 and a cylinder needle assembly 2, wherein a forming workpiece 3 is arranged on the upper surface of the forming mold lower mold core 1, the cylinder needle assembly 2 further comprises a cylinder 4 and a cylinder needle body 5, the top of the cylinder needle body 5 is flush with the back of the forming workpiece 3, a notch matched with the cylinder needle body 5 is formed in the cylinder 4, the cylinder needle body 5 is made of high-speed steel, the hardness is 58-60HRC, products are continuously ejected out of the mold running at high speed, the service life is prolonged, a connecting back-off button 6 and the cylinder needle body 5 are cast integrally, the top of the cylinder needle body 5 is fixedly connected with a connecting back-off button 6, the connecting back-off button 6 is of an inverted trapezoidal structure and extends into the back of the forming workpiece 3 to have a thickness of 0.5mm, after injection molding is completed, the connecting back-off button 6 pulls the forming workpiece 3 when the mold is opened, the forming workpiece 3 is fixed in the lower die core 1 of the forming die, the top of the ejector pin assembly 2 is positioned in the lower die core 1 of the forming die, and when the die is required to be removed, the ejector pin body 5 is only required to be pushed upwards, so that the ejector pin body 5 pushes the forming workpiece 3 out of the lower die core 1 of the forming die, and the forming die is simple in structure and convenient to manufacture.

The working principle is as follows: the connecting back-off button 6 at the top of the ejector sleeve needle component 2 is deeply inserted into the back of the formed workpiece 3 to be 0.5mm thick, after injection molding is completed, the connecting back-off button 6 pulls the formed workpiece 3 when the mold is opened, so that the formed workpiece 3 is fixed in the lower mold core 1 of the forming mold, and when demolding is needed, the ejector sleeve needle body 5 only needs to be pushed upwards, so that the ejector sleeve needle body 5 pushes the formed workpiece 3 out of the lower mold core 1 of the forming mold, and the ejector sleeve needle component is simple in structure and convenient to manufacture.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a conveniently remove injection molding forming die who glues preceding membrane, includes forming die lower mould benevolence (1) and department section of thick bamboo needle subassembly (2), its characterized in that: the upper surface of the lower die core (1) of the forming die is provided with a forming workpiece (3), the ejector sleeve needle assembly (2) further comprises an ejector sleeve (4) and an ejector sleeve needle body (5), the top of the ejector sleeve needle body (5) is fixedly connected with a connecting inverted buckle (6), and the top of the ejector sleeve needle assembly (2) is located inside the lower die core (1) of the forming die.

2. The mold for molding an injection molded part with easy release of a pre-adhesive film according to claim 1, wherein: the connecting reverse buckle (6) is of a reverse trapezoidal structure and extends into the back of the forming workpiece (3) to be 0.5mm thick.

3. The mold for molding an injection molded part with easy release of a pre-adhesive film according to claim 1, wherein: the top of the ejector pin body (5) is flush with the back of the forming workpiece (3).

4. The mold for molding an injection molded part with easy release of a pre-adhesive film according to claim 1, wherein: the ejector sleeve (4) is internally provided with a notch matched with the ejector sleeve needle body (5).

5. The mold for molding an injection molded part with easy release of a pre-adhesive film according to claim 1, wherein: the ejector pin body (5) is made of high-speed steel, and the hardness is 58-60 HRC.

6. The mold for molding an injection molded part with easy release of a pre-adhesive film according to claim 1, wherein: the connecting reverse buckle (6) and the ejector pin body (5) are cast integrally.