CN210758862U

CN210758862U - Metal and engineering plastic injection molding device

Info

Publication number: CN210758862U
Application number: CN201920740604.8U
Authority: CN
Inventors: 吴作鹏
Original assignee: Pengda Technology Heyuan Co ltd
Current assignee: Pengda Technology Heyuan Co ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-06-16
Anticipated expiration: 2029-05-22

Abstract

A metal and engineering plastic injection molding device comprises an upper die and a lower die, wherein a male die is arranged on the upper die, a female die is arranged on the lower die, the male die and the female die are closed to form a molding cavity after the upper die and the lower die are assembled, an injection port communicated with the molding cavity is arranged on the contact surface of the upper die and the lower die, an upper cavity is arranged in the upper die, an upper partition plate is arranged in the upper cavity, the upper cavity is divided into a heating cavity and a cooling cavity by the upper clapboard, an infrared heating rod is arranged in the heating cavity, the upper clapboard is a metal heat-conducting plate, one side of the metal heat conducting plate facing the cooling cavity is provided with heat conducting cilium, the upper die plate is provided with a water inlet and a water outlet which are communicated with the cooling cavity, the upper die is provided with a heat conducting column, a heat conducting hole is arranged in the lower die, a heat conducting wire is embedded in the female die and extends into the heat conducting hole, the upper end of the heat conducting column extends into the heating cavity of the upper die, after the upper die and the lower die are assembled, the lower end of the heat conducting column is inserted into the heat conducting hole and is in contact connection with the heat conducting wire. The utility model discloses the heating is more even, and cooling efficiency is high.

Description

Metal and engineering plastic injection molding device

Technical Field

The utility model relates to a forming device, specifically speaking are metal and engineering plastics injection moulding device.

Background

In various industries, in order to improve the product forming rate and diversify the product forming, a forming device is adopted to form the product. Injection molding dies, however, are a very widely used device.

The metal and the engineering plastic are mixed and melted to form a molten mass, and then the molten mass is injected into a molding device for molding, so that the required product can be obtained more quickly. The existing injection molding device generally comprises an upper die, a lower die and a cavity, wherein the upper die and the lower die are solid bodies and depend on external heating and cooling, and heating and cooling are not uniform enough easily in the molding process, so that quick and effective molding is difficult to achieve.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a metal and engineering plastics injection moulding device.

In order to solve the technical problem, the utility model discloses take following technical scheme:

a metal and engineering plastic injection molding device comprises an upper die and a lower die, wherein a male die is arranged on the upper die, a female die is arranged on the lower die, the male die and the female die are closed to form a molding cavity after the upper die and the lower die are assembled, an injection port communicated with the molding cavity is formed in the contact surface of the upper die and the lower die, an upper cavity is arranged in the upper die, an upper partition plate is arranged in the upper cavity, the upper cavity is divided into a heating cavity and a cooling cavity by the upper partition plate, an infrared heating rod is arranged in the heating cavity, the upper partition plate is a metal heat conduction plate, one side of the metal heat conduction plate, which faces the cooling cavity, is provided with heat conduction cilium, a water inlet and a water outlet which are communicated with the cooling cavity are arranged on the upper die, the water inlet and the water outlet are respectively connected with a cooling liquid tank through, the upper end of the heat conduction column extends into the heating cavity of the upper die, and the lower end of the heat conduction column is inserted into the heat conduction hole and is in contact connection with the heat conduction wire after the upper die and the lower die are assembled.

The upper die is provided with a pressure relief hole communicated with the heating cavity, and a pressure relief assembly is arranged in the pressure relief hole.

The pressure release subassembly is including being equipped with the downthehole draw-in groove that the opening of pressure release faces down to and the card lid of activity cartridge in the pressure release hole, and the card lid has top cap and card post, and the area of top cap is greater than the cross sectional area in pressure release hole, and outside the top cap was located the pressure release hole, the card post stretched into the pressure release downthehole, and card post lateral wall is equipped with the barb, and the barb stretches out in the draw-in groove.

And a lower cavity is arranged in the lower die.

The heat conducting wires are provided with a plurality of wires and are arranged side by side.

The infrared heating rods are arranged in parallel at least two.

The utility model discloses a set up inside cavity in the cope match-plate pattern, realize internal heating and cooling, improve heating efficiency and cooling efficiency.

Drawings

Fig. 1 is a schematic diagram of a separated cross-sectional structure of the present invention.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in the attached figure 1, the utility model discloses a metal and engineering plastic injection molding device, which comprises an upper die 8 and a lower die 1, wherein the upper die 8 is provided with a convex die 19, the lower die 1 is provided with a concave die 5, the convex die and the concave die close to form a molding cavity after the upper die 8 and the lower die 1 are closed, the contact surface of the upper die 8 and the lower die 1 is provided with an injection port 20 communicated with the molding cavity, an upper cavity is arranged in the upper die 8, the upper cavity is internally provided with an upper clapboard 15, the upper cavity is divided into a heating cavity 9 and a cooling cavity 17 by the upper clapboard 15, the heating cavity 9 is internally provided with at least two infrared heating rods 10 which are arranged side by side, the upper clapboard 15 is a metal heat conducting plate, one side of the metal heat conducting plate facing the cooling cavity 17 is provided with heat conducting cilium 16, the upper die plate 8 is provided with a water inlet 6 and, be equipped with the water pump in the coolant liquid case 21, go up and be equipped with heat conduction post 7 on the mould 8, be equipped with heat conduction hole 4 in the lower mould 1, the embedded heat conduction silk 3 that a plurality of rows of being equipped with of die 5, in heat conduction silk 3 extended to heat conduction hole 4, heat conduction post 7 upper end extended to the heating chamber 9 of last mould 8, go up the mould 8 and the lower mould 1 lower extreme of heat conduction post 7 after the compound die insert in the heat conduction hole 4 and with the contact of heat conduction silk 3 be connected. The infrared heating rod is connected with a corresponding power supply to generate heat. Heat is conducted to the cooling chamber through the upper baffle plate. In the heating process, the cooling cavity is not filled with cooling water, and the cooling cavity is a cavity. The water outlet and the water inlet are respectively provided with a valve, and the valves are in a closed state at the moment. Moreover, the heat is transferred to the heat-conducting wires by the heat-conducting columns, so that the female die is directly heated, and the heating efficiency and uniformity are improved.

Go up the mould 8 and be equipped with the pressure release hole 13 with heating chamber 9 intercommunication, be equipped with pressure release subassembly in the pressure release hole 13. The pressure relief assembly comprises a clamping groove 12 with a downward opening in a pressure relief hole 13, and a clamping cover movably inserted in the pressure relief hole 13, wherein the clamping cover is provided with a top cover 14 and a clamping column, the area of the top cover is larger than the cross sectional area of the pressure relief hole, the top cover is positioned outside the pressure relief hole, the clamping column stretches into the pressure relief hole, a barb 11 is arranged on the side wall of the clamping column, and the barb stretches out of the clamping groove. When the pressure in the upper cavity of the upper die is larger due to continuous heating, the clamping cover is ejected upwards by the pressure, so that the effects of exhausting and reducing pressure are achieved.

And a lower cavity 2 is arranged in the lower die 1, so that cooling is facilitated.

The utility model discloses in, the inside that the utilization will go up the mould is hollowed out and is formed the upper plenum, and in the heating process, the cooling chamber does not fill into the cooling water, and delivery port and water inlet are in the closed condition this moment. The infrared heating rod heats, is heated and directly conducts to the upper baffle, and then diffuses to the cooling chamber through heat conduction cilium radiation, and the cooling chamber also becomes a heated chamber at this moment, and the terrace die is conducted with the heat great large-area is even again to heat the die cavity. In addition, partial heat is directly conducted to the heat conducting wires through the heat conducting columns, the female die is heated, and the heat is heated from the inside, so that the heat conducting device is more direct and effective. After the heating finishes, when needing the cooling shaping, the infrared heating stick stops the heating, carries cooling water to the cooling chamber from the water inlet, directly from inside cooling, and cooling efficiency is higher.

It should be noted that the above is only a preferred embodiment of the present invention, and the present invention is not limited to the above, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced with equivalents, but any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A metal and engineering plastic injection molding device comprises an upper die and a lower die, wherein the upper die is provided with a male die, the lower die is provided with a female die, the male die and the female die are closed to form a molding cavity after the upper die and the lower die are assembled, the contact surface of the upper die and the lower die is provided with an injection port communicated with the molding cavity, the metal and engineering plastic injection molding device is characterized in that an upper cavity is arranged in the upper die, an upper partition plate is arranged in the upper cavity, the upper cavity is divided into a heating cavity and a cooling cavity by the upper partition plate, an infrared heating rod is arranged in the heating cavity, the upper partition plate is a metal heat conduction plate, one side of the metal heat conduction plate facing the cooling cavity is provided with a heat conduction cilium, a water inlet and a water outlet which are communicated with the cooling cavity are arranged on the upper die, the water inlet and the water outlet are respectively connected, the upper end of the heat conduction column extends into the heating cavity of the upper die, and the lower end of the heat conduction column is inserted into the heat conduction hole and is in contact connection with the heat conduction wire after the upper die and the lower die are assembled.

2. The metal and engineering plastic injection molding apparatus of claim 1, wherein the upper mold is provided with a pressure relief hole communicated with the heating cavity, and a pressure relief assembly is provided in the pressure relief hole.

3. The metal and engineering plastic injection molding apparatus according to claim 2, wherein the pressure relief assembly comprises a clamping groove having a downward opening in the pressure relief hole, and a clamping cover movably inserted in the pressure relief hole, the clamping cover has a top cover and a clamping post, the area of the top cover is larger than the cross-sectional area of the pressure relief hole, the top cover is located outside the pressure relief hole, the clamping post extends into the pressure relief hole, the side wall of the clamping post is provided with a barb, and the barb extends out of the clamping groove.

4. A metal and engineering plastic injection molding apparatus according to claim 3, wherein a lower cavity is provided in the lower mold.

5. The metal and engineering plastic injection molding apparatus of claim 4, wherein the heat conducting wires have several numbers and are arranged side by side.

6. The metal and engineering plastic injection molding apparatus of claim 5, wherein the infrared heating rods are disposed at least two in a side-by-side arrangement.