CN211968243U

CN211968243U - Injection mold for mounting seat of automobile rearview mirror

Info

Publication number: CN211968243U
Application number: CN201922487035.3U
Authority: CN
Inventors: 何志武
Original assignee: Suzhou Hillin Machinery Technology Co ltd
Current assignee: Suzhou Hillin Machinery Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-20
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an injection mold for an automobile rearview mirror mounting seat, which comprises a front mold, a rear mold and a top plate, wherein the front mold comprises a thimble and a drawing needle; the front die, the rear die and the top plate are arranged in a stacked mode, and the rear die is located between the front die and the top plate; an injection molding cavity is arranged on the rear mold; the ejector pin is arranged on the top plate, and the front end of the ejector pin penetrates through the rear die and extends into the bottom of the injection molding cavity; the material pulling needle is arranged on the rear die; the front end of the material pulling needle is provided with a material pulling head of an inverted trapezoidal structure protruding from the surface of the material pulling needle; the material pulling head extends into the injection molding cavity. The utility model discloses an add on the rear mould and draw the material needle to set up and draw material needle complex thimble, solved the problem of automobile rearview mirror mount pad adhesion front mould, realized the orderly drawing of patterns of automobile rearview mirror mount pad, improved production efficiency, guaranteed the quality of product, excellent in use effect, the yields is high.

Description

Injection mold for mounting seat of automobile rearview mirror

Technical Field

The utility model relates to an injection mold field, in particular to automobile rearview mirror mount pad injection mold.

Background

The injection mold is an important process device for producing various industrial products, and along with the rapid development of the plastic industry and the popularization and application of plastic products in the industrial departments of aviation, aerospace, electronics, machinery, ships, automobiles and the like, the application range of the injection mold is more and more extensive. An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a processing method used for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification. Referring to fig. 1, the mount for the rearview mirror of the automobile is generally an injection molded product. Because the upper surface of automobile rearview mirror mount pad has bellied edgewise, after the completion is moulded plastics to automobile rearview mirror mount pad, when front mould and rear mould carried out the die sinking, automobile rearview mirror mount pad can be because edgewise cooling shrinkage, and the adhesion leads to unable drawing of patterns or drawing of patterns difficulty on the front mould, influences the quality of production efficiency and product greatly.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides an automobile rearview mirror mount pad injection mold adopts complex thimble and draws the material needle, realizes the first die sinking of front mould and back mould, and the process of drawing of patterns behind the product has solved automobile rearview mirror mount pad and has moulded plastics and easily adhere on the front mould after accomplishing, leads to unable drawing of patterns or drawing of patterns difficulty, influences the problem of the quality of production efficiency and product greatly.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: an injection mold for an automobile rearview mirror mounting seat comprises a front mold, a rear mold, a top plate, a thimble and a pull needle; the front die, the rear die and the top plate are arranged in a stacked mode, and the rear die is located between the front die and the top plate; an injection molding cavity is arranged on the rear mold; the ejector pin is arranged on the top plate, and the front end of the ejector pin penetrates through the rear die and extends into the bottom of the injection molding cavity; the material pulling needle is arranged on the rear die; the front end of the material pulling needle is provided with a material pulling head of an inverted trapezoidal structure protruding from the surface of the material pulling needle; the material pulling head extends into the injection molding cavity.

As a preferred scheme of the utility model, the height of the material pulling head is 1-5 mm.

As an optimized proposal of the utility model, the material pulling needles are a plurality of.

As an optimized scheme of the utility model, it is 3 to draw the material needle, and the mutual interval sets up, is located the bead of automobile rearview mirror mount pad corresponds the position.

As an optimized proposal of the utility model, the two sides of the material pulling needle are provided with the thimbles.

As an optimal proposal of the utility model, the material pulling needle is surrounded by 3 thimbles.

Through the technical scheme, the utility model discloses technical scheme's beneficial effect is: the utility model has the advantages of simple and reasonable structure, design benefit draws the material needle through addding on the rear mould to set up and draw material needle complex thimble, solved the problem of automobile rearview mirror mount pad adhesion front mould, realized the orderly drawing of patterns of automobile rearview mirror mount pad, improved production efficiency, guaranteed the quality of product, excellent in use effect, the yields is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an automobile rearview mirror mount.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 and 4 are schematic views of the partial structure of the present invention.

Fig. 5 is a schematic structural view of the drawing needle of the present invention.

The corresponding part names indicated by the numbers and letters in the drawings:

1. rear die 2, front die 3, top plate

4. The thimble 5 draws the material needle 6, draws the stub bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Examples

Combine fig. 1 to fig. 3, the utility model discloses an automobile rearview mirror mount pad injection mold for the process of moulding plastics of automobile rearview mirror mount pad. The utility model discloses a front mould 2, back mould 1, roof 3, thimble 4 and draw the material needle 5. The front die 2, the rear die 1 and the top plate 3 are arranged in a stacked mode, and the rear die 1 is located between the front die 2 and the top plate 3. An injection molding cavity is arranged on the rear mold 1; the ejector pin 4 is arranged on the top plate 3, and the front end of the ejector pin 4 penetrates through the rear die 1 and extends into the bottom of the injection molding cavity; the drawing needle 5 is installed on the rear die 1. The front end of the material pulling needle 5 is provided with a material pulling head 6 which is raised on the surface of the material pulling needle 5 and has an inverted trapezoidal structure. Preferably, the height of the material pulling head 6 is 1-5 mm. The material pulling head 6 extends into the injection molding cavity.

In order to prevent the product from adhering to the front mold 2 and improve the uniformity of the force, the drawing pin 5 may be plural. Preferably, 3 material pulling needles 5 are arranged at intervals and located at the corresponding positions of the edge openings of the automobile rearview mirror installing seat.

In order to separate the material pulling needle 5 from the product well and improve the yield of the product in the demolding process, ejector pins 4 can be arranged on two sides of the

material pulling needle

5, and 3 ejector pins 4 can also be arranged around the material pulling needle 5.

The utility model discloses an action process: after the injection molding is finished, opening the front mold 2 and the rear mold 1, wherein the material pulling head 6 of the material pulling needle 5 is embedded in the lower surface of the automobile rearview mirror mounting seat, and the automobile rearview mirror mounting seat is positioned on the rear mold 1 in the demolding process; after the die sinking is finished, the top plate 3 is jacked and demoulded, and the material pulling needle 5 is separated from the automobile rearview mirror mounting seat under the action of the ejector pin 4, so that the demould process is realized.

Through the above-mentioned specific embodiment, the beneficial effects of the utility model are that: the utility model has the advantages of simple and reasonable structure, design benefit draws material needle 5 through addding on rear mould 1 to set up and draw material needle 5 complex thimble 4, solved automobile rearview mirror mount pad adhesion front mould 2's problem, realized the orderly drawing of patterns of automobile rearview mirror mount pad, improved production efficiency, guaranteed the quality of product, excellent in use effect, the yields is high.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An injection mold for an automobile rearview mirror mounting seat comprises a front mold, a rear mold and a top plate, and is characterized by further comprising a thimble and a pulling needle; the front die, the rear die and the top plate are arranged in a stacked mode, and the rear die is located between the front die and the top plate; an injection molding cavity is arranged on the rear mold; the ejector pin is arranged on the top plate, and the front end of the ejector pin penetrates through the rear die and extends into the bottom of the injection molding cavity; the material pulling needle is arranged on the rear die; the front end of the material pulling needle is provided with a material pulling head of an inverted trapezoidal structure protruding from the surface of the material pulling needle; the material pulling head extends into the injection molding cavity.

2. The injection mold for mounting seats of automobile rearview mirrors as claimed in claim 1, wherein the height of said head is 1-5 mm.

3. The injection mold for mounting seats of automobile rearview mirrors as claimed in claim 1, wherein said drawing pin is plural.

4. The injection mold of claim 2, wherein the number of the material pulling needles is 3, the material pulling needles are arranged at intervals and located at positions corresponding to the edge openings of the mounting seat of the automobile rearview mirror.

5. The injection mold of claim 1, wherein the ejector pins are disposed on two sides of the material pulling pin.

6. The injection mold of claim 1, wherein 3 ejector pins are arranged around the puller pin.