CN218399211U

CN218399211U - Novel injection mold

Info

Publication number: CN218399211U
Application number: CN202222207994.7U
Authority: CN
Inventors: 周常文
Original assignee: Guangdong Jingshi Jingmo Technology Co ltd
Current assignee: Guangdong Jingshi Jingmo Technology Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-01-31
Anticipated expiration: 2032-08-22

Abstract

The utility model relates to the field of injection molds, and discloses a novel injection mold, which comprises a rear mold, a front mold and a mold core arranged between the rear mold and the front mold; four ends of the rear mould are respectively provided with a slide mechanism which is in sliding fit with the inside and the outside of the rear mould; the slide mechanisms are all provided with guide rods which are obliquely arranged in a penetrating way; the head end of the guide rod is fixedly connected with the front die; when the mold is opened and closed, the slide mechanism slides inside and outside, so that the molded plastic part is convenient to take out; the line position mechanism comprises a line position block and a molding block arranged at the rear end of the line position block; the guide rod penetrates downwards from the top of the slide block and is in sliding fit with the slide block; the inner bottom of the front mould is provided with a guide sleeve; a limiting column is formed at the head end of the guide rod; the diameter of the limiting column is larger than that of the guide rod; the tail end of the guide rod penetrates through the guide sleeve; the utility model discloses injection mold adopts four capable position mechanisms, carries out ejecting shaping after the capable position mechanism shifts out and moulds the piece, compares in direct ejecting shaping and moulds the piece, and it has reduced to drag colored phenomenon and has avoided even dragging colored phenomenon.

Description

Novel injection mold

Technical Field

The utility model relates to an injection mold technical field, the utility model particularly relates to a novel injection mold.

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 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;

stirring the completely molten plastic material by a screw at a certain temperature, injecting the plastic material into a mold cavity by high pressure, and cooling and solidifying to obtain a molded product. The method is suitable for batch production of parts with complex shapes, and is one of important processing methods;

the following problems exist in the market at present: the current large shell is easy to be dragged by the product during demoulding.

SUMMERY OF THE UTILITY MODEL

The utility model discloses lie in the technical problem who solves and be: the utility model provides an injection mold that reduces and drag colored phenomenon to appear adopts four slide mechanisms, and the slide mechanism carries out ejecting shaping after shifting out and moulds the piece, compares in direct ejecting shaping and moulds the piece, and it has reduced and has dragged colored phenomenon and has avoided even dragging colored phenomenon.

A novel injection mold comprises a rear mold, a front mold and a mold core arranged between the rear mold and the front mold, wherein four ends of the rear mold are respectively provided with a slide mechanism which is in sliding fit with the inner side and the outer side of the rear mold; the slide mechanisms are all provided with guide rods which are obliquely arranged in a penetrating way; the head end of the guide rod is fixedly connected with the front die; when the mold is opened and closed, the slide mechanism slides inside and outside, so that the molded plastic part can be taken out conveniently.

Preferably, the line position mechanism comprises a line position block and a molding block arranged at the rear end of the line position block; the guide rod penetrates downwards from the top of the slide block, and the guide rod is in sliding fit with the slide block.

Preferably, the inner bottom of the front mold is provided with a guide sleeve; a limiting column is formed at the head end of the guide rod; the diameter of the limiting column is larger than that of the guide rod; the tail end of the guide rod penetrates through the guide sleeve, and the limiting column is abutted against the guide sleeve in the sliding fit process to play a limiting role.

Preferably, the cross section of the line bit block is in a right trapezoid shape.

Preferably, the slide mechanism is characterized in that the number of the guide rods of the slide mechanism is at least one.

Preferably, the device is characterized by also comprising an ejection mechanism for ejecting the molded plastic part; the ejection mechanism comprises at least one bottom plate; a plurality of obliquely arranged ejector rods are arranged on the bottom plates; the bottom of the rear die is provided with an ejector plate; the bottom plate is arranged on the ejector plate.

Preferably, the mold core comprises a front mold core and a rear mold core, and the rear mold core is formed with a lens groove for placing a lens; before the die assembly, the lens is placed on the lens groove position so that the lens and the molding plastic piece are integrally molded.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses injection mold adopts four slide mechanisms, and slide mechanism carries out ejecting shaping after shifting out and moulds the piece, compares in direct ejecting shaping and moulds the piece, and it has reduced drags the flower phenomenon and has avoided even dragging the flower phenomenon.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 inventive exercise.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an exploded view of fig. 1 according to the present invention.

Fig. 3 is a schematic diagram of the internal structure of the present invention.

Fig. 4 is another angle structure diagram of fig. 3 according to the present invention.

Fig. 5 is an exploded view of fig. 3 according to the present invention.

Fig. 6 is a schematic view of the slide mechanism of the present invention.

Fig. 7 is a schematic diagram of a specific structure of the slide mechanism of the present invention.

Fig. 8 is a schematic structural diagram of the ejection mechanism of the present invention.

Fig. 9 is a schematic structural view of the molded plastic part of the present invention.

Fig. 10 is another angle structure diagram of fig. 9 according to the present invention.

In the figure: a rear mold 1; a front mold 2; a mold core 3; a slide mechanism; a guide rod 5; a row bit block 6; a molding block 7; a first aligning mechanism 41; a second row position mechanism 42; a third displacement mechanism 43; a fourth positioning mechanism 44; a guide sleeve 8; a limit post 9; an ejection mechanism 10; a base plate 11; a knock-out lever 12; an ejector plate 13; a front core 14; a rear mold core 15; a lens 16; a lens slot 17; and molding the plastic part 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 10, in an embodiment of the present invention, a novel injection mold includes a rear mold 1, a front mold 2, and a mold insert 3 disposed therebetween; four ends of the rear die 1 are respectively provided with a slide mechanism which is in sliding fit with the inside and the outside of the rear die; the slide mechanisms are all provided with guide rods 5 which are obliquely arranged in a penetrating way; the head end of the guide rod 5 is fixedly connected with the front mould 2; when the mold is opened and closed, the slide mechanism slides inside and outside to facilitate taking out the molded plastic part 18.

Furthermore, the line position mechanism comprises a line position block 6 and a molding block 7 arranged at the rear end of the line position block 6; the guide rod 5 penetrates downwards from the top of the slide block 6, and the guide rod 5 is in sliding fit with the slide block 6; the pattern block 7 slides synchronously with the row bit block 6.

Specifically, four ends of the rear mold 1 are respectively provided with a first slide mechanism 41, a second slide mechanism 42, a third slide mechanism 43 and a fourth slide mechanism 44; the first slide mechanism 41, the second slide mechanism 42, the third slide mechanism 43 and the fourth slide mechanism are in slide fit with the back mould 1 inside and outside; the sliding direction of the inner and outer sliding fit indicating slide mechanism is the direction from the inside of the mould to the outside of the mould or the direction from the outside of the mould to the inside of the mould; when the slide mechanism slides from the inside of the mold to the outside of the mold (i.e. opening the mold), the slide mechanism is in a separation relationship with the molded plastic part 18, so that the subsequent ejection mechanism can eject the molded plastic part 18 from the mold; when the slide mechanisms slide from the outside of the mold to the inside of the mold (namely mold closing), the four slide mechanisms are abutted to form a rectangle, and the shape formed by injection molding after the slide mechanisms are matched with the mold core 3 is the shape of a molded plastic part 18; therefore, the specific shape of the shaped block 7 can be changed and replaced according to different molded plastic pieces 18.

Further, a guide sleeve 8 is arranged at the inner bottom of the front die 2; a limiting column 9 is formed at the head end of the guide rod 5; the diameter of the limiting column 9 is larger than that of the guide rod 5; the tail end of the guide rod 5 penetrates through the guide sleeve 8, and the limiting column 9 is abutted against the guide sleeve 8 in the sliding fit process to achieve a limiting effect.

Specifically, for example, the rear mold 1 is a fixed mold, the front mold 2 is a movable mold, and when the front mold 2 moves in a mold opening and closing manner, the guide rod 5 is driven to move in a vertical direction, so that the slide mechanism slides inside and outside when the guide rod 5 moves.

Further, the cross section of the row bit block 6 is in a right trapezoid shape.

Further, the number of the guide rods 5 of the slide mechanism is at least one.

Further, the device also comprises an ejection mechanism 10 for ejecting the molded plastic part 18; the ejection mechanism 10 comprises at least one base plate 11; a plurality of obliquely arranged ejector rods 12 are arranged on the bottom plate 11; the bottom of the rear die 1 is provided with an ejector plate 13; the base plate 11 is mounted on an ejector plate 13.

Further, the mold core comprises a front mold core 14 and a rear mold core 15, and a lens slot 17 for placing a lens 16 is formed in the rear mold core 15; before the die assembly, the lens 16 is placed on the lens slot position 17 so that the lens 16 and the molding plastic part 18 are integrally molded; the lens 16 may be placed using a robotic arm.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A novel injection mold comprises a rear mold, a front mold and a mold core arranged between the rear mold and the front mold; it is characterized in that four ends of the rear die are respectively provided with a slide mechanism which is in sliding fit with the inside and the outside of the rear die; the slide mechanisms are all provided with guide rods which are obliquely arranged in a penetrating way; the head end of the guide rod is fixedly connected with the front die; when the mold is opened and closed, the slide mechanism slides inside and outside, so that the molded plastic part can be taken out conveniently.

2. The novel injection mold according to claim 1, wherein the slide mechanism comprises a slide block and a molding block arranged at the rear end of the slide block; the guide rod penetrates downwards from the top of the slide block, and the guide rod is in sliding fit with the slide block.

3. The novel injection mold as claimed in claim 2, wherein the inner bottom of the front mold is provided with a guide sleeve; a limiting column is formed at the head end of the guide rod; the diameter of the limiting column is larger than that of the guide rod; the tail end of the guide rod penetrates through the guide sleeve, and the limiting column is abutted against the guide sleeve in the sliding fit process to play a limiting role.

4. A novel injection mould according to claim 2, characterised in that the cross-section of the line site block is in the form of a right-angled trapezoid.

5. A novel injection mould as claimed in claim 2, characterised in that the number of guide bars of the slide mechanism is at least one.

6. The novel injection mold of claim 1, further comprising an ejection mechanism for ejecting the molded plastic part; the ejection mechanism comprises at least one bottom plate; a plurality of obliquely arranged ejector rods are arranged on the bottom plates; the bottom of the rear mould is provided with an ejector plate; the bottom plate is arranged on the ejector plate.

7. The novel injection mold according to claim 1, wherein the mold core comprises a front mold core and a rear mold core, and the rear mold core is formed with a lens groove for placing a lens; before the die assembly, the lens is placed on the lens groove position so that the lens and the molding plastic piece are integrally molded.