CN210257037U

CN210257037U - Injection mold based on leak material detects

Info

Publication number: CN210257037U
Application number: CN201920853073.3U
Authority: CN
Inventors: 莫彪
Original assignee: Shenzhen Jinjunyuan Precision Mould Co Ltd
Current assignee: Shenzhen Jinjunyuan Precision Mould Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-04-07
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses an injection mold based on material leakage detection, which comprises an upper mold and a lower mold, wherein the bottom surface of the upper mold is provided with an annular groove, the upper surface of the lower mold is embedded with an annular aluminum strip which is inserted into the annular groove, the bottom ends of four sides of the annular aluminum strip are respectively fixedly connected with an L-shaped aluminum strip, the bottom end of the lower mold is provided with a detection space in a hollow manner, the detection space is filled with liquid water, and the tail end of each L-shaped aluminum strip is inserted into the detection space; a temperature detection probe is inserted into the detection space, the temperature detection probe is electrically connected with a single chip microcomputer, the single chip microcomputer is electrically connected with an audible and visual alarm, and the detection space is sealed through a rubber spiral plug at the bottom. The material leakage detection device has the function of material leakage detection and is good in economy.

Description

Injection mold based on leak material detects

Technical Field

The utility model relates to a field of moulding plastics, concretely relates to injection mold based on leak material detects.

Background

An injection mold is a processing method used when producing parts with specific shapes, and particularly relates to a method for obtaining a formed product after plastic melted by heat is injected into a mold cavity and cooled and solidified. General injection mold includes mould and lower mould that the lid closed each other, and the die cavity is located mould and lower mould, and during the notes material, if the clearance between mould and the lower mould is not tight, hot melt plastics flows out from the clearance easily, and this not only makes the plastics after the shaping have unnecessary side fin, and if the clearance is too big moreover, outside the high temperature hot melt plastics flow out the mould easily, cause certain potential safety hazard. At present, the gap leakage is often detected by arranging temperature sensors at a plurality of sampling points in the gap, and if one or more temperature sensors rise abnormally, the leakage is indicated. However, since the gap is a closed rectangle or circle, this approach would greatly increase the number of temperature sensors required, thereby increasing the investment and making the economy worse.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides an injection mold based on leak material detects.

The purpose of the utility model is realized by adopting the following technical scheme:

an injection mold based on leakage detection comprises an upper mold and a lower mold, wherein an annular groove is formed in the bottom surface of the upper mold, an annular aluminum strip inserted into the annular groove is embedded in the upper surface of the lower mold, the bottom ends of four sides of the annular aluminum strip are fixedly connected with an L-shaped aluminum strip respectively, a detection space is formed in the bottom end of the lower mold in a hollow manner, liquid water is filled in the detection space, and the tail end of each L-shaped aluminum strip is inserted into the detection space; a temperature detection probe is inserted into the detection space, the temperature detection probe is electrically connected with a single chip microcomputer, the single chip microcomputer is electrically connected with an audible and visual alarm, and the detection space is sealed through a rubber spiral plug at the bottom.

Drawings

The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.

Fig. 1 is an external view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a structural view of a ring-shaped aluminum strip and an L-shaped aluminum strip;

FIG. 4 is a structural view of the upper die;

FIG. 5 is a structural view of a detection space;

fig. 6 is an electrical connection diagram of the present invention.

Detailed Description

The invention will be further described with reference to the following examples.

Please refer to fig. 1-6, which illustrate an injection mold based on material leakage detection, including an upper mold 1 and a lower mold 2, wherein an annular groove 3 is formed in a bottom surface of the upper mold 1, an annular aluminum strip 4 inserted into the annular groove 3 is embedded in an upper surface of the lower mold 2, four bottom edges of the annular aluminum strip 4 are respectively and fixedly connected with an L-shaped aluminum strip 5, a detection space 6 is formed in a bottom end of the lower mold 2 in a hollow manner, liquid water is filled in the detection space 6, a tail end of each L-shaped aluminum strip 5 is inserted into the detection space 6, the detection space 6 is a cuboid, and a temperature detection probe 7 is inserted into the detection space 6. The detection space 6 is sealed by a rubber screw plug 10 at the bottom, and the rubber screw plug 10 is used for water drainage and water filling during maintenance. The upper die 1 is provided with a material injection pipe 12 communicated with the die cavity 11, the lower end of the lower die 2 is supported by a plurality of support legs 13, and the perforated part of the temperature detection probe 7 is sealed by industrial epoxy glue.

As shown in figure 6, the temperature detection probe 7 is electrically connected with the single chip microcomputer 8, the single chip microcomputer 8 is electrically connected with the audible and visual alarm 9, the single chip microcomputer 8 and the audible and visual alarm 9 are powered by the storage battery 14, the model of the temperature detection probe 7 is MAX6501-MAX6504, the model of the audible and visual alarm 9 is AD16-16SM, and the model of the single chip microcomputer 8 is MSP 430. The internal control logic of the single chip microcomputer 8 and the control circuit of the audible and visual alarm 9 can be obtained by the prior art, and detailed description is omitted in the embodiment.

In order to avoid the influence of the heat conduction of the die on the detection space as much as possible, the detection structure is only suitable for a low-heat-conductivity-coefficient steel die or a heat-insulating material die.

The working principle is as follows: when leaked materials leak outwards from the gap and reach the position of the annular aluminum strip 4, the annular aluminum strip 4 is heated and conducts heat to the detection space 6 through the L-shaped aluminum strip 5, liquid water in the detection space 6 is heated, the temperature detected by the temperature detection probe 7 is obviously increased compared with the temperature just finished by injecting the materials, and when the increased temperature value is higher than the set value of the single chip microcomputer 8, the single chip microcomputer 8 controls the audible and visual alarm 9 to give out audible and visual alarm.

Has the advantages that: the utility model discloses a design in annular aluminium strip, L type aluminium strip and detection space can just realize leaking of whole clearance interface through a temperature detect probe and detect, and the cooperation of annular aluminium strip and annular groove also can effectively prevent the further outer expanding of leaking the material simultaneously.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. An injection mold based on leakage detection is characterized by comprising an upper mold and a lower mold, wherein an annular groove is formed in the bottom surface of the upper mold, an annular aluminum strip inserted into the annular groove is embedded in the upper surface of the lower mold, the bottom ends of four sides of the annular aluminum strip are fixedly connected with an L-shaped aluminum strip respectively, a detection space is formed in the bottom end of the lower mold in a hollow manner, liquid water is filled in the detection space, and the tail end of each L-shaped aluminum strip is inserted into the detection space; a temperature detection probe is inserted into the detection space, the temperature detection probe is electrically connected with a single chip microcomputer, the single chip microcomputer is electrically connected with an audible and visual alarm, and the detection space is sealed through a rubber spiral plug at the bottom.

2. The injection mold based on the material leakage detection as claimed in claim 1, wherein the detection space is rectangular.

3. The injection mold based on the material leakage detection as claimed in claim 2, wherein the upper mold is provided with a material injection pipe communicated with the mold cavity, and the lower end of the lower mold is supported by a plurality of support legs.

4. The injection mold based on material leakage detection as claimed in claim 3, wherein the temperature detection probe is sealed with industrial epoxy glue at the perforation.

5. The injection mold based on material leakage detection as claimed in claim 4, wherein the single chip microcomputer and the audible and visual alarm are powered by a storage battery.