CN211389941U

CN211389941U - Injection mold for injection molding machine

Info

Publication number: CN211389941U
Application number: CN201922317412.9U
Authority: CN
Inventors: 王明智
Original assignee: Shishi Baiwang Hardware Co ltd
Current assignee: Shishi Baiwang Hardware Co ltd
Priority date: 2019-12-22
Filing date: 2019-12-22
Publication date: 2020-09-01
Anticipated expiration: 2029-12-22

Abstract

The utility model relates to an injection mold for injection molding machine, including bottom plate and mould subassembly, the mould subassembly is provided with one at least and is connected with the bottom plate respectively, the mould subassembly includes die body, lower die body and mainstream pipeline, goes up die body and lower die body cooperation and is connected, the die body is connected with the bottom plate down, upward be provided with the model chamber on die body and the lower die body respectively, it is provided with the reposition of redundant personnel pipeline to go up the die body top, should reposition of redundant personnel pipeline and mainstream pipe connection, the inside dominant heating chamber that is provided with of die body down, be provided with the branch heating chamber that is linked together with the dominant heating chamber in the dominant heating chamber, be provided with on the outer wall of die body down and heat corresponding inlet and liquid outlet in the. The utility model discloses well mainstream pipeline and reposition of redundant personnel pipeline's design can pour into molten state's raw materials into to a plurality of moulds simultaneously, has improved the efficiency of moulding plastics.

Description

Injection mold for injection molding machine

Technical Field

The utility model relates to an injection moulding equipment technical field, more specifically say, relate to an injection mold for injection molding machine.

Background

An injection mold is a tool for producing plastic products, and is a tool for giving the plastic products complete structures and precise dimensions. The injection molding is that the heated and melted plastic is injected into a mold cavity from an injection molding machine at high pressure, and a molded product is obtained after cooling and solidification, when entering the injection mold, the raw material flows through each channel, and because the mold has a large volume, the temperature of the molten raw material can be reduced in the circulation process, so that the molding effect of the mold can be reduced; the current mould for moulding plastics is dismantled inconveniently, and once only can mould plastics to a mould, and efficiency is lower, the utility model discloses a new solution is proposed to above problem.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide an injection mold for injection molding machine to solve the technical problem who mentions in the background art.

In order to solve the above problems, the utility model adopts the following technical proposal.

An injection mold for an injection molding machine comprises a bottom plate and a mold assembly, wherein at least one mold assembly is arranged and is respectively connected with the bottom plate, the mold assembly comprises an upper mold body, a lower mold body and a main flow pipeline, the upper mold body is matched and connected with the lower mold body, the lower mold body is connected with the bottom plate, mold cavities are respectively arranged on the upper mold body and the lower mold body, a shunt pipeline is arranged at the top end of the upper mold body and is connected with the main flow pipeline, a main heating cavity is arranged in the lower mold body, a shunt heating cavity communicated with the main heating cavity is arranged on the main heating cavity, an inlet and an outlet corresponding to the heating cavity are arranged on the outer wall of the lower mold body, the inlet is connected with a heating assembly, the heating assembly comprises a liquid storage cylinder, a liquid conveying pipe and a water pump, one end of, a heater is arranged in the liquid storage cylinder, and the liquid outlet is connected with a circulating assembly.

Preferably, the distribution heating cavity is provided with a plurality of distribution heating cavities which are respectively communicated with the main heating cavity, and the extension direction of the distribution heating cavity faces the model cavity.

In any of the above schemes, preferably, the lower mold body is detachably connected with the bottom plate through bolts.

In any of the above schemes, preferably, the heater is an electromagnetic heater, and is externally connected with an alternating current power supply through a power line.

In any of the above schemes, preferably, the circulation assembly includes a circulation pump and a circulation pipe, one end of the circulation pipe is connected with the liquid outlet, and the other end is connected with the liquid storage barrel through the circulation pump.

In any of the above schemes, preferably, a valve is arranged on the diversion pipeline.

In any of the above schemes, preferably, the upper die body and the lower die body are respectively provided with threaded holes communicated with each other, and the upper die body and the lower die body are detachably connected through bolts.

In any of the above aspects, preferably, an insulating sleeve is provided on an outer wall of the main flow pipe.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses in, the raw materials of molten state can be poured into simultaneously to a plurality of moulds to the design of mainstream pipeline and reposition of redundant personnel pipeline, the efficiency of moulding plastics has been improved, the design of insulation cover can keep warm to the raw materials in the mainstream pipeline well, heating element's design can be well to the raw materials in the die body down heat once more and keep warm, prevent that it from leading to the not smooth condition of circulation because of the temperature process in the circulation process, the heating fluid body in the die body can be in the circulation state well down always in the design of circulation subassembly.

Drawings

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

FIG. 2 is a cross-sectional view of the lower mold body of the present invention;

fig. 3 is a schematic view of the matching structure of the liquid storage cylinder and the heater of the present invention.

The reference numbers in the figures illustrate:

1. the device comprises a bottom plate, 2, an upper die body, 3, a lower die body, 4, a main flow pipeline, 5, a shunt pipeline, 6, a main heating cavity, 7, a sub heating cavity, 8, a liquid storage cylinder, 9, a liquid conveying pipe, 10, a water pump, 11, a heater, 12, a circulating pump, 13, a circulating water pipe, 14 and a valve.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Example 1:

referring to fig. 1-3, an injection mold for injection molding machine includes a bottom plate 1 and a mold assembly, the mold assembly includes at least one mold body 2, a lower mold body 3 and a main flow pipeline 4, the mold body 2 is connected with the lower mold body 3 in a matching manner, the lower mold body 3 is connected with the bottom plate 1, the upper mold body 2 and the lower mold body 3 are respectively provided with a mold cavity, the top end of the upper mold body 2 is provided with a diversion pipeline 5, the diversion pipeline 5 is connected with the main flow pipeline 4, the lower mold body 3 is internally provided with a main heating cavity 6, the lower mold body 3 is provided with a heating cavity 7 communicated with the main heating cavity 6, the outer wall of the lower mold body 3 is provided with a liquid inlet and a liquid outlet corresponding to the main heating cavity 6, the liquid inlet is connected with a heating assembly, the heating assembly includes a liquid storage tank 8, a liquid storage, The liquid storage device comprises a liquid conveying pipe 9 and a water pump 10, wherein one end of the liquid conveying pipe 9 is connected with a liquid inlet, the other end of the liquid conveying pipe is connected with a liquid storage cylinder 8 through the water pump 10, a heater 11 is arranged inside the liquid storage cylinder 8, and the liquid outlet is connected with a circulating assembly.

In the present embodiment, for better heating the lower mold body 3, the heating dividing cavities 7 are provided in plurality and are respectively communicated with the main heating cavity 6, and the extending direction of the heating dividing cavities 7 faces the mold cavity. The heating effect is improved.

In the embodiment, in order to better connect the lower mold body 3 with the bottom plate 1, the lower mold body 3 is detachably connected with the bottom plate 1 through bolts. The disassembly and the assembly are convenient.

In the present embodiment, in order to better use the heater, the heater 11 is an electromagnetic heater and is externally connected with an ac power source through a power line. The liquid can be better heated by the heater 11.

In this embodiment, for better use of the circulation assembly, the circulation assembly comprises a circulation pump 12 and a circulation water pipe 13, one end of the circulation water pipe 13 is connected with the liquid outlet, and the other end is connected with the liquid storage cylinder 8 through the circulation pump 12. The liquid can be better circulated by the circulation pump 12, so that the liquid in the lower mold body 3 is always in a heated state.

In this embodiment, for better use of the shunt line, a valve 14 is provided in the shunt line 5. The circulation of the raw materials can be well controlled through the valve 14, and the using amount of the die can be well controlled.

In this embodiment, for better be connected last die body 2 and lower die body 3, be provided with the screw hole of intercommunication each other on last die body 2 and the lower die body 3 respectively, go up die body 2 and lower die body 3 and pass through bolt detachable connection. The disassembly and the assembly are convenient.

In this embodiment, for better use of the main flow pipe, a thermal insulation sleeve is arranged on the outer wall of the main flow pipe 4. The raw materials in the main flow pipeline 4 can be better insulated through the insulating sleeve.

Example 2:

on the basis of embodiment 1, when in use, preferably, water is put into the liquid storage cylinder 8, the liquid is heated by the heater 11, the heated liquid is injected into the lower die body 3 by the water pump 10, then the raw material in a molten state enters the diversion pipeline 5 along the main flow pipeline 4, the number of the opened valves 14 is selected according to the number of the dies needed to be used, the liquid in the lower die body 3 can circularly enter the liquid storage cylinder 8 for heating by the circulating pump 12, so that the lower die body 3 can be better heated, the liquid entering the lower die body 3 flows through the main heating cavity 6 and the branch heating cavity 7, the branch heating cavity 7 is arranged towards the die cavity, and the main heating cavity 6 and the branch heating cavity 7 in different shapes can be arranged according to different die cavities.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. An injection mold for an injection molding machine comprises a bottom plate (1) and a mold assembly, wherein the mold assembly is at least provided with one mold assembly and is respectively connected with the bottom plate (1), the injection mold assembly is characterized in that the mold assembly comprises an upper mold body (2), a lower mold body (3) and a main flow pipeline (4), the upper mold body (2) is matched and connected with the lower mold body (3), the lower mold body (3) is connected with the bottom plate (1), model cavities are respectively arranged on the upper mold body (2) and the lower mold body (3), a shunt pipeline (5) is arranged at the top end of the upper mold body (2), the shunt pipeline (5) is connected with the main flow pipeline (4), a main heating cavity (6) is arranged inside the lower mold body (3), a sub-heating cavity (7) communicated with the main heating cavity (6) is arranged on the lower mold body (3), and a liquid inlet and a liquid outlet which correspond to the main heating cavity (6) are arranged on, the inlet is connected with heating element, heating element includes liquid storage cylinder (8), transfer line (9) and water pump (10), and transfer line (9) one end is connected with the inlet, and the other end passes through water pump (10) to be connected with liquid storage cylinder (8), and this liquid storage cylinder (8) inside is provided with heater (11), the liquid outlet is connected with the circulation subassembly.

2. The injection mold for injection molding machines according to claim 1, characterized in that: divide heating chamber (7) to be provided with a plurality ofly and respectively with main heating chamber (6) intercommunication setting, divide the extending direction orientation model chamber of heating chamber (7).

3. The injection mold for injection molding machines according to claim 1, characterized in that: the lower die body (3) is detachably connected with the bottom plate (1) through bolts.

4. The injection mold for injection molding machines according to claim 1, characterized in that: the heater (11) is an electromagnetic heater and is externally connected with an alternating current power supply through a power line.

5. The injection mold for injection molding machines according to claim 1, characterized in that: the circulation assembly comprises a circulation pump (12) and a circulation water pipe (13), one end of the circulation water pipe (13) is connected with the liquid outlet, and the other end of the circulation water pipe is connected with the liquid storage barrel (8) through the circulation pump (12).

6. The injection mold for injection molding machines according to claim 1, characterized in that: and a valve (14) is arranged on the shunt pipeline (5).

7. The injection mold for injection molding machines according to claim 1, characterized in that: the upper die body (2) and the lower die body (3) are respectively provided with threaded holes which are communicated with each other, and the upper die body (2) and the lower die body (3) are detachably connected through bolts.

8. The injection mold for injection molding machines according to claim 1, characterized in that: and the outer wall of the main flow pipeline (4) is provided with a heat insulation sleeve.