CN210940298U

CN210940298U - Plastic mould with adjustable runner

Info

Publication number: CN210940298U
Application number: CN201921855235.3U
Authority: CN
Inventors: 雒小波
Original assignee: Shenzhen Xinfanda Double Color Injecting Die Co ltd
Current assignee: Shenzhen Xinfanda Double Color Injecting Die Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-07-07
Anticipated expiration: 2029-10-31

Abstract

The utility model provides a plastic mould of adjustable runner, including the check valve, the die cavity, back mould mold insert, the runner, the mouth of moulding plastics, the rubber pad, rubber ring and guiding gutter, back mould mold insert is installed to back mould upside, back mould mold insert upside is provided with the die cavity, the check valve is installed to the inside upside of back mould mold insert, the runner has been seted up to the check valve downside, the runner inboard is equipped with the rubber pad, the mouth of moulding plastics is chewed the downside to hot purt, the guiding gutter has been seted up to the mouth downside of moulding plastics, the mouth annular side of moulding plastics is equipped with the rubber ring, the inconvenient problem of adjusting of the inside velocity of flow of runner in original plastic mould has been solved in this design, the utility model discloses rational in infrastructure, the velocity.

Description

Plastic mould with adjustable runner

Technical Field

The utility model relates to a plastic mould of adjustable runner belongs to plastic mould technical field.

Background

The plastic mold is a short name for a combined mold used for compression molding, extrusion molding, injection, blow molding and low-foaming molding. The coordination change of the male die, the female die and the auxiliary forming system of the die can process a series of plastic parts with different shapes and sizes. Plastic molds are the parent of the industry, and new product releases now involve plastics.

The inside runner of plastic mould in the past is single pipeline, and when the runner was inside to take place the velocity of flow too fast, because the damping characteristic of plastic itself takes place the jam easily, at this moment the plastic just can't carry out effective speed governing, and the inconvenient regulation of the inside velocity of flow of runner among the current plastic mould now urgently needed a plastic mould of adjustable runner to solve the above-mentioned problem that appears.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a plastic mould of adjustable runner to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, the velocity of flow of the inside runner of effective control plastic mould of being convenient for effectively prevents blockking up.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a plastic mold capable of adjusting a flow passage comprises a heat insulation plate, a panel, a front mold, a rear mold, a flow velocity adjusting mechanism, a hot sprue and a positioning ring, wherein the panel is installed on the lower side of the heat insulation plate, the front mold is installed on the lower side of the panel, the rear mold is installed on the lower side of the front mold, the positioning ring is installed at the middle position of the panel, the hot sprue is installed on the lower side of the positioning ring, the flow velocity adjusting mechanism is arranged on the upper side of the rear mold and comprises a check valve, a mold cavity, a rear mold insert, a flow passage, an injection molding nozzle, a rubber pad, a rubber ring and a flow guide groove, the rear mold insert is installed on the upper side of the rear mold, the mold cavity is arranged on the upper side of the rear mold insert, the check valve is installed on the inner upper side of the check valve, the flow passage is assembled with the rubber pad on the, the annular side surface of the injection nozzle is provided with a rubber ring.

Furthermore, the lower side of the injection molding nozzle is wedge-shaped, and the outer diameter of the injection molding nozzle is slightly smaller than the inner diameter of the flow guide groove.

Furthermore, the upper end face of the one-way valve and the upper end face of the rear mold insert are on the same horizontal plane, and the flow direction of the one-way valve is from bottom to top.

Furthermore, two groups of runners are arranged, and two branches are arranged on the inner sides of the two groups of runners.

Furthermore, a hot sprue matching groove is formed in the middle of the front die, and the inner diameter of the hot sprue matching groove is larger than the diameter of the hot sprue.

Furthermore, the annular side face of the positioning ring is provided with an external thread, the middle position of the panel is provided with an internal thread, and the internal thread is meshed with the external thread.

The utility model has the advantages that: the utility model discloses a plastic mould of adjustable runner, because of the utility model discloses added check valve, die cavity, back mould mold insert, runner, the mouth of moulding plastics, rubber pad, rubber ring and guiding gutter, the inside velocity of flow of runner can effectively be controlled in this design, has solved the problem of the inconvenient regulation of the inside velocity of flow of runner in original plastic mould, has improved the utility model discloses a runner velocity of flow regulation effect.

Because of moulding plastics the mouth downside for the wedge, the mouth external diameter of moulding plastics has the guiding gutter internal diameter a little bit, this design makes things convenient for the mouth of moulding plastics to move down, and then the velocity of flow of control runner, because of check valve up end and back mould mold insert up end are at same horizontal plane, the check valve flow direction is from making progress down, this design prevents to annotate the material backward flow, is equipped with two sets ofly because of the runner, and two sets of runner inboards have been seted up two branches, this design moves down the switching that blocks the inside branch of runner through the mouth of moulding plastics, and then the velocity of flow of control runner, the utility model discloses rational in infrastructure, the velocity of flow of.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a plastic mold with an adjustable runner according to the present invention;

fig. 2 is a schematic structural view of a flow velocity adjusting mechanism in a plastic mold with an adjustable flow channel according to the present invention;

FIG. 3 is an enlarged view of A in a flow rate adjusting mechanism of a plastic mold with an adjustable flow channel according to the present invention;

in the figure: 1-heat insulation plate, 2-panel, 3-front mould, 4-rear mould, 5-flow rate adjusting mechanism, 6-hot sprue, 7-locating ring, 51-one-way valve, 52-mould cavity, 53-rear mould insert, 54-runner, 55-injection moulding nozzle, 56-rubber pad, 57-rubber ring and 551-diversion groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a plastic mould of adjustable runner, chews 6 and position circle 7 including heat insulating board 1, panel 2, front mould 3, back mould 4, velocity of flow adjustment mechanism 5, hot purt, and panel 2 is installed to 1 downside of heat insulating board, and front mould 3 is installed to 2 downside of panel, and back mould 4 is installed to 3 downside of front mould, and position circle 7 is installed to 2 intermediate positions of panel, and the hot purt is installed to 7 downside of position circle is chewed 6, and 4 upsides of back mould are provided with velocity of flow adjustment mechanism 5.

Flow rate adjustment mechanism 5 includes check valve 51, the die cavity 52, back mould mold insert 53, runner 54, the mouth 55 of moulding plastics, rubber gasket 56, rubber ring 57 and guiding gutter 551, back mould mold insert 53 is installed to 4 upsides of back mould, back mould mold insert 53 upside is provided with die cavity 52, check valve 51 is installed to the inside upside of back mould mold insert 53, runner 54 has been seted up to check valve 51 downside, runner 54 inboard is equipped with

rubber gasket

56, 6 downsides are spouted to hot sprue are installed and are moulded plastics mouth 55, guiding gutter 551 has been seted up to mouth 55 downside of moulding plastics, it is equipped with rubber ring 57 to mould plastics mouth 55 toroidal side, the inconvenient problem of adjusting of the inside velocity of flow of runner in original plastic mould has been solved to this.

The downside of the injection molding nozzle 55 is wedge-shaped, the outer diameter of the injection molding nozzle 55 is slightly smaller than the inner diameter of a flow guide groove 551, the injection molding nozzle 55 is convenient to move downwards in design, further, the flow rate of the flow channel 54 is controlled, the blockage caused by the speed control of a single pipeline is prevented, the upper end face of the one-way valve 51 and the upper end face of the rear mold insert 53 are on the same horizontal plane, the flow direction of the one-way valve 51 is upward from bottom to bottom, the design prevents the backflow of injection materials, the flow channel 54 is provided with two groups, two branches are arranged on the inner sides of the two groups of flow channels 54, the design moves downwards through the injection.

3 intermediate positions of front mould have been seted up hot purt and have been chewed the cooperation groove, and hot purt is chewed cooperation inslot diameter and is greater than hot purt and chew 6 diameters, and this design makes things convenient for hot purt to chew 6 installation, and 7 annular sides of position circle are equipped with the external screw thread, and 2 intermediate positions of panel are equipped with the internal thread, and the internal thread meshes with the external screw thread mutually, and this design makes things convenient for the fixed of position circle 7, and then makes hot purt chew 6 effectively fixed.

As an embodiment of the present invention: the staff at first opens position circle 7, chew 6 with hot pur and put into inside panel 2, install position circle 7, chew 6 with hot pur and annotate the material with the external world and be connected, annotate the material and get into runner 54 through moulding plastics mouth 55, and then get into back mould mold insert 53 along runner 54, then discharge to the inside shaping that carries out of die cavity 52 along check valve 51, the staff makes the mouth 55 of moulding plastics descend along guiding gutter 551 through controlling hot pur 6 decline, when moulding plastics the mouth 55 outside and sheltering from the inboard fork of runner 54, shelter from this fork of rubber pad 56 stifled dead through moulding plastics mouth 55, because annotate the damping characteristic of material, the inside notes material velocity of flow of runner 54 descends, control the inside velocity of flow of runner 54 then, above realized the utility model relates to a plastic mould of adjustable runner is convenient for effectively controlling the velocity of flow in the runner, effectively prevent blockking up.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a plastic mould of adjustable runner, includes heat insulating board, panel, front mould, back mould, velocity of flow adjustment mechanism, hot purt are chewed and the position circle, its characterized in that: a panel is mounted on the lower side of the heat insulation plate, a front die is mounted on the lower side of the panel, a rear die is mounted on the lower side of the front die, a positioning ring is mounted in the middle of the panel, a heat sprue is mounted on the lower side of the positioning ring, and a flow rate adjusting mechanism is arranged on the upper side of the rear die;

flow rate adjustment mechanism includes check valve, die cavity, back mould mold insert, runner, the mouth of moulding plastics, rubber pad, rubber ring and guiding gutter, the back mould mold insert is installed to the back mould upside, back mould mold insert upside is provided with the die cavity, the check valve is installed to the inside upside of back mould mold insert, the runner has been seted up to the check valve downside, the runner inboard is equipped with the rubber pad, the mouth of moulding plastics is installed to hot sprue downside, the guiding gutter has been seted up to the mouth downside of moulding plastics, the annular side of the mouth of moulding plastics is equipped with the rubber ring.

2. The runner-adjustable plastic mold of claim 1, wherein: the lower side of the injection molding nozzle is wedge-shaped, and the outer diameter of the injection molding nozzle is slightly smaller than the inner diameter of the flow guide groove.

3. The runner-adjustable plastic mold of claim 1, wherein: the upper end face of the check valve and the upper end face of the rear mold insert are on the same horizontal plane, and the flow direction of the check valve is from bottom to top.

4. The runner-adjustable plastic mold of claim 1, wherein: the flow passages are provided with two groups, and two branches are arranged on the inner sides of the two groups of flow passages.

5. The runner-adjustable plastic mold of claim 1, wherein: the middle position of the front die is provided with a hot sprue matching groove, and the inner diameter of the hot sprue matching groove is larger than the diameter of the hot sprue.

6. The runner-adjustable plastic mold of claim 1, wherein: the annular side face of the locating ring is provided with an external thread, the middle position of the panel is provided with an internal thread, and the internal thread is meshed with the external thread.