CN219381449U

CN219381449U - Structure of exhaust insert

Info

Publication number: CN219381449U
Application number: CN202320620001.0U
Authority: CN
Inventors: 刘晓斌; 刘小前; 李云平; 岳春丽; 王停
Original assignee: Jicheng Industry Huizhou Co ltd
Current assignee: Jicheng Industry Huizhou Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-07-21
Anticipated expiration: 2033-03-24

Abstract

The utility model relates to a structure of an exhaust insert, which comprises a movable mold core, wherein an exhaust insert mounting channel is arranged on one side of a mold copying cavity of the movable mold core, an exhaust assembly is embedded in the exhaust insert mounting channel, the exhaust assembly comprises a plurality of first serial connection sheets in the X direction, a plurality of second serial connection sheets in the Y direction and a third serial connection sheet, and the exhaust assembly is fixed with the exhaust insert mounting channel through a fastener. The movable mould core surface between the first serial connection sheet and the second serial connection sheet is provided with a plurality of flow blocking mechanisms which are a plurality of arcs. The scheme forms a plurality of exhaust piece gaps in the X direction and the Y direction on the exhaust assembly, rapidly, fully and uniformly extrudes all the gas in the die cavity, and in addition, a plurality of flow blocking mechanisms are arranged on one side of the explorator cavity of the movable die core, so that the product can be completely filled with plastic flow, and the qualification rate of the injection molding of the product is improved. The structural design of this scheme is simple, with low costs, the practicality is good.

Description

Structure of exhaust insert

Technical Field

The utility model relates to the technical field of product molds, in particular to a structure of an exhaust insert.

Background

For products with larger sizes, in order to shorten the molding period and reduce the injection molding pressure of the products, a plurality of glue inlets are adopted in a die for glue feeding, a plurality of material flows are generated in the glue feeding process of the glue inlets, when the material flows are converged, the gas in a die cavity of the die cannot be completely extruded, so that the products cannot be completely filled, the defect of air pockets or air holes is formed on the surfaces of the products, and the air pockets can possibly cause combustion, so that the burning defect is formed after the products are injection molded; if the vent hole is made larger, the material may overflow, and the die cannot be opened smoothly.

In order to solve the problems, the scheme provides a structure of the exhaust insert.

Disclosure of Invention

The utility model aims to solve the problems that the existing multiple rubber mouth dies cannot fully extrude gas in a die cavity, products cannot be fully filled, air pockets or air holes are formed on the surfaces of the products, and scorching defects are formed after the products are injection molded. The specific solution scheme is as follows:

the utility model provides a structure of exhaust mold insert, includes the movable mould core profiling chamber one side is equipped with exhaust mold insert mounting channel, and the embedding is equipped with the exhaust sub-assembly in the exhaust mold insert mounting channel, the exhaust sub-assembly includes a plurality of first cluster connection pieces of X direction, a plurality of second cluster connection pieces of Y direction, third cluster connection piece, the exhaust sub-assembly passes through the fastener and is fixed with exhaust mold insert mounting channel.

Further, the exhaust insert mounting channel comprises a plurality of first mounting grooves in the X direction, a plurality of second mounting grooves in the Y direction and a plurality of third mounting grooves, and the first mounting grooves, the second mounting grooves and the third mounting grooves are matched with the first connecting piece, the second connecting piece and the third connecting piece respectively.

Further, the first series connection piece comprises a plurality of first exhaust pieces and second exhaust pieces which are connected in series, and the first exhaust pieces and the second exhaust pieces are connected in series through a plurality of pins.

Further, the thickness of the first exhaust sheet is greater than that of the second exhaust sheet, and the first exhaust sheet is arranged at the two ends and the middle part of the first string connection sheet.

Further, the second series connection piece comprises a plurality of third exhaust pieces and fourth exhaust pieces which are connected in series, and the third exhaust pieces and the fourth exhaust pieces are connected in series through a plurality of pins.

Further, the thickness of the third exhaust sheet is greater than that of the fourth exhaust sheet, and the third exhaust sheet is arranged at two ends and the middle part of the second string connection sheet.

Further, the third series connection piece comprises a plurality of fifth exhaust pieces and sixth exhaust pieces which are connected in series, and the fifth exhaust pieces and the sixth exhaust pieces are connected in series through a plurality of pins.

Further, the thickness of the fifth exhaust sheet is greater than that of the sixth exhaust sheet, and the fifth exhaust sheet is arranged at two ends and in the middle of the third string connection sheet.

Further, the fastening piece is a screw, and a plurality of screws penetrate into the exhaust insert mounting channels from the side far away from the die cavity of the driven die core and are respectively fixed with the first exhaust sheet, the third exhaust sheet and the fifth exhaust sheet.

Further, a plurality of flow blocking mechanisms are arranged on the surface of the movable mold core between the first serial connection sheet and the second serial connection sheet, and the flow blocking mechanisms are in a plurality of arcs.

In summary, the technical scheme of the utility model has the following beneficial effects:

the utility model solves the problems that the existing multiple rubber mouth dies have the defects that the gas in the die cavity cannot be completely extruded, the product cannot be completely filled, air pockets or air holes are formed on the product surface, and the scorching defect is formed after the injection molding of the product. The first serial connection piece, the second serial connection piece and the third serial connection piece of the X-direction are connected in series, wherein the first serial connection piece consists of the first serial connection piece and the second serial connection piece, the second serial connection piece consists of the third serial connection piece and the fourth serial connection piece, the third serial connection piece consists of the fifth serial connection piece and the sixth serial connection piece, a plurality of exhaust piece gaps in the X-direction and the Y-direction are formed on the exhaust assembly, and the gas in a die cavity is completely extruded quickly, fully and uniformly. The structural design of this scheme is simple, with low costs, the practicality is good.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments of the present utility model will be briefly described below. It will be apparent to those skilled in the art that the drawings in the following description are only a few embodiments of the present utility model and that other drawings may be derived from these drawings without inventive faculty.

FIG. 1 is a block diagram of an exhaust insert of the present utility model;

FIG. 2 is an exploded view of the vent insert and the movable mold core of the present utility model;

fig. 3 is a structural view of the exhaust insert of the present utility model.

Reference numerals illustrate:

the mold comprises a 1-movable mold core, a 2-first string connecting piece, a 3-second string connecting piece, a 4-third string connecting piece, a 5-fastener, a 6-first mounting groove, a 7-second mounting groove, an 8-third mounting groove, a 10-choke mechanism, a 21-first exhaust piece 22-second exhaust piece, a 31-third exhaust piece, a 32-fourth exhaust piece, a 41-fifth exhaust piece, a 42-sixth exhaust piece, a 91-first pin and a 93-third pin.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, a structure of an exhaust insert comprises a movable mold core 1, wherein an exhaust insert mounting channel is formed on one side of a profiling cavity of the movable mold core 1, an exhaust assembly is embedded in the exhaust insert mounting channel, the exhaust assembly comprises a plurality of first serial connection sheets 2 in the X direction, a plurality of second serial connection sheets 3 in the Y direction and a plurality of third serial connection sheets 4, and the exhaust assembly is fixed with the exhaust insert mounting channel through a fastener 5. The vent insert includes a vent assembly and a fastener 5.

Specifically, the exhaust insert mounting channel includes a plurality of first mounting grooves 6 in the X direction, a plurality of second mounting grooves 7 in the Y direction, and a third mounting groove 8, and is matched with the first, second, and third string tabs 2, 3, and 4, respectively.

Specifically, the first string tab 2 includes a plurality of first and second air discharge pieces 21, 22 connected in series, and the first and second air discharge pieces 21, 22 are connected in series by a plurality of first pins 91. The thickness of the first exhaust sheet 21 is greater than that of the second exhaust sheet 22, and the first exhaust sheet 21 is disposed at both ends and in the middle of the first string tab 2.

Specifically, the second serial connection piece 3 includes a plurality of third exhaust pieces 31 and fourth exhaust pieces 32 connected in series, and the third exhaust pieces 31 and the fourth exhaust pieces 32 are connected in series by a plurality of second pins (not shown in the figure). The thickness of the third exhaust sheet 31 is greater than that of the fourth exhaust sheet 32, and the third exhaust sheet 31 is disposed at both ends and in the middle of the second string tab 3.

Specifically, the third string tab 4 includes a plurality of fifth and sixth air discharge tabs 41 and 42 connected in series, and the fifth and sixth air discharge tabs 41 and 42 are connected in series by a plurality of third pins 93. The thickness of the fifth exhaust piece 41 is greater than that of the sixth exhaust piece 42, and the fifth exhaust piece 41 is provided at both ends and the middle of the third string tab 4.

Specifically, the fastener 5 is a screw, and a plurality of the screws penetrate into the vent insert mounting channels from the cavity-away side of the driven mold core 1 to be fixed to the first vent piece 21, the third vent piece 31, and the fifth vent piece 41, respectively.

Specifically, a plurality of flow blocking mechanisms 10 are arranged on the surface of the movable mold core 1 between the first serial connection sheet 2 and the second serial connection sheet 3, and the flow blocking mechanisms are in a plurality of arcs, so that the plastic flow direction is improved, and the injection molding of products is facilitated.

Alternatively, in the present embodiment, the thicknesses of the narrower second exhaust sheet 22, fourth exhaust sheet 32, and sixth exhaust sheet 42 are 3 mm, and the depths are 12 mm.

The above-described embodiments do not limit the scope of the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the above embodiments should be included in the scope of the present utility model.

Claims

1. The utility model provides a structure of exhaust mold insert, includes movable mould core, its characterized in that: the movable mold core profiling cavity is characterized in that an exhaust insert mounting channel is formed in one side of the movable mold core profiling cavity, an exhaust assembly is embedded in the exhaust insert mounting channel, the exhaust assembly comprises a plurality of first serial connection plates in the X direction, a plurality of second serial connection plates in the Y direction and a plurality of third serial connection plates, and the exhaust assembly is fixed with the exhaust insert mounting channel through a fastener.

2. The exhaust insert structure of claim 1, wherein: the exhaust insert mounting channel comprises a plurality of first mounting grooves in the X direction, a plurality of second mounting grooves in the Y direction and a plurality of third mounting grooves, and the exhaust insert mounting channel is matched with the first serial connection sheet, the second serial connection sheet and the third serial connection sheet respectively.

3. The exhaust insert structure of claim 1, wherein: the first series connection piece comprises a plurality of first exhaust pieces and second exhaust pieces which are connected in series, and the first exhaust pieces and the second exhaust pieces are connected in series through a plurality of pins.

4. A vent insert construction according to claim 3, wherein: the thickness of the first exhaust sheet is greater than that of the second exhaust sheet, and the first exhaust sheet is arranged at the two ends and the middle part of the first string connection sheet.

5. The exhaust insert structure according to claim 4, wherein: the second series connection piece comprises a plurality of third exhaust pieces and fourth exhaust pieces which are connected in series, and the third exhaust pieces and the fourth exhaust pieces are connected in series through a plurality of pins.

6. The exhaust insert structure according to claim 5, wherein: the thickness of the third exhaust sheet is larger than that of the fourth exhaust sheet, and the third exhaust sheet is arranged at the two ends and the middle part of the second serial connection sheet.

7. The exhaust insert structure according to claim 6, wherein: the third series connection piece comprises a plurality of fifth exhaust pieces and sixth exhaust pieces which are connected in series, and the fifth exhaust pieces and the sixth exhaust pieces are connected in series through a plurality of pins.

8. The exhaust insert structure according to claim 7, wherein: the thickness of the fifth exhaust sheet is greater than that of the sixth exhaust sheet, and the fifth exhaust sheet is arranged at the two ends and the middle part of the third string connection sheet.

9. The exhaust insert structure according to claim 8, wherein: the fastener is a screw, and a plurality of screw driven mold cores penetrate into the exhaust insert mounting channels from the side far away from the mold cavity and are respectively fixed with the first exhaust sheet, the third exhaust sheet and the fifth exhaust sheet.

10. The exhaust insert structure of claim 1, wherein: the movable mold core surface between the first serial connection sheet and the second serial connection sheet is provided with a plurality of flow blocking mechanisms which are in a plurality of arcs.