CN212603066U

CN212603066U - Injection mold with novel pouring opening

Info

Publication number: CN212603066U
Application number: CN202020819860.9U
Authority: CN
Inventors: 周建平
Original assignee: Pan'an Jiachen Machinery Co Ltd
Current assignee: Pan'an Jiachen Machinery Co Ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-02-26
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses an injection mold with novel mouth of pouring, including last mould and lower mould, the lower mould is located last mould lower extreme and swing joint, it is provided with notes runner, recess and runner respectively to go up the inside top-down of mould, it all communicates each other to annotate runner, recess and runner, it runs through to the mould up end to annotate runner one end, the lower mould up end is provided with into the die cavity, it is provided with the cooling hole to become the die cavity below, the inside copper pipe that is connected with that can dismantle of cooling hole, the terminal surface can be dismantled and be connected with the water tank under the lower mould, water tank one side can be dismantled and be connected with the water pump, the water pump delivery port is through first water pipe and copper pipe one end intercommunication. This injection mold with novel mouth of pouring is through being provided with recess and a plurality of group's runner, and this kind of structural design can cushion the jet power of hot melt raw materials when following the runner blowout, avoids causing the product unqualified, great improvement product quality.

Description

Injection mold with novel pouring opening

Technical Field

The utility model relates to the technical field of mold, specifically be an injection mold with novel mouth of pouring.

Background

The mould is used for getting the various moulds and tools of the required products by injection moulding, blow moulding, extrusion, die-casting or forging forming, smelting, stamping, etc. in industrial production, in short, the mould is the tool used for making the shaped article, this kind of tool is formed by various parts, different moulds are formed by different parts, it mainly realizes the processing of the article appearance through the change of the physical state of the shaped material, the name of the mother of industry is plain, the kind of mould is many, can be divided into according to the processing object and processing craft: dies for processing metals, dies for processing non-metals and powder metallurgy. The die can be divided into a plane blanking die and a cavity die with space according to the structural characteristics, and the die is generally produced in a single piece and in small batches;

however, when the injection molding raw materials flow from the flow channels to the mold forming cavity, the raw materials are all extruded inwards in a fountain mode from a single flow channel and flow in the cavity in a diffusion mode, and the injection molding raw materials are cast at a low speed in the mode, and the product quality is unqualified easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold with novel mouth of pouring to when proposing present raw materials of moulding plastics and flowing from the runner toward the mould shaping intracavity in solving above-mentioned background art, the raw materials is all inwards crowded with the fountain formula by single runner, and flow in the die cavity with the mode of diffusion, and this kind of mode can reduce the speed that the raw materials was poured into on one hand, and on the other hand can cause the unqualified problem of product quality easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold with novel mouth of pouring, includes mould and lower mould, the lower mould is located mould lower extreme and swing joint, it is provided with notes runner, recess and runner respectively to go up the inside top-down of mould, it all communicates each other to annotate runner, recess and runner, notes runner one end runs through to the mould up end, the lower mould up end is provided with into the die cavity, it is provided with the cooling hole to become the die cavity below, the inside copper pipe that can dismantle of cooling hole is connected with, the terminal surface can dismantle under the lower mould and be connected with the water tank, water tank one side can be dismantled and be connected with the water pump, the water pump delivery port is through first water pipe and copper pipe one end intercommunication, water pump water inlet and water tank intercommunication, the copper pipe other.

Preferably, the four corners of the surface of the lower end of the upper die are fixedly connected with positioning needles, the four corners of the surface of the upper end of the lower die are provided with positioning holes, and the positioning needles are inserted into the positioning holes.

Preferably, the specific number of the runners is provided with a plurality of groups, and the plurality of groups of runners are communicated with the molding cavity.

Preferably, a water inlet is formed in the surface of one side of the water tank.

Preferably, the specific number of the cooling holes and the copper pipes is provided with a plurality of groups, and the copper pipes in the groups are communicated with each other.

Preferably, the groove is a groove with a long strip-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that: according to the injection mold with the novel pouring opening, the groove and the groups of runners are arranged, when raw materials which are subjected to raw material hot melting are poured into the mold, the raw materials flow into the groove from the pouring gate and fill the whole groove, the raw materials in the groove respectively enter the molding cavity from the groups of runners, so that the molding cavity is filled with the raw materials, and therefore injection molding is completed, the structural design can buffer the injection force when the hot melting raw materials are sprayed out from the runners, the unqualified products are avoided, and the product quality is greatly improved;

this injection mold with novel mouth of pouring makes its use of mutually supporting through being provided with water tank, water pump and copper pipe, and the copper pipe absorbs the heat of mould, and the water pump takes the water in the water tank out to the copper pipe in, and the water among the copper pipe flows back to the water tank again for the heat of copper pipe is absorbed by the flowing water, has accelerated off-the-shelf cooling progress.

Drawings

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

FIG. 2 is a schematic view of the lower mold structure of the present invention;

fig. 3 is a schematic view of the upper die structure of the present invention.

In the figure: 1. an upper die; 2. a lower die; 3. pouring a gate; 4. a groove; 5. a flow channel; 6. a cooling hole; 7. a copper pipe; 8. a first water pipe; 9. a water pump; 10. a water tank; 11. a second water pipe; 12. positioning holes; 13. a molding cavity; 14. and a positioning pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an injection mold with a novel pouring opening comprises an upper mold 1 and a lower mold 2, wherein the lower mold 2 is positioned at the lower end of the upper mold 1 and is movably connected with the lower end of the upper mold 1, four corners of the surface of the lower end of the upper mold 1 are fixedly connected with positioning needles 14, four corners of the surface of the upper end of the lower mold 2 are provided with positioning holes 12, the positioning needles 14 are inserted into the positioning holes 12, the upper mold 1 and the lower mold 2 are conveniently and tightly connected, dislocation is well prevented, an injection gate 3, a groove 4 and a runner 5 are respectively arranged in the upper mold 1 from top to bottom, the injection gate 3, the groove 4 and the runner 5 are communicated with each other, the groove 4 is a groove with a long strip-shaped structure, more raw materials can be stored and can uniformly flow into the runner 5, a plurality of groups of runners 5 are arranged in the specific number of the runners 5 and, one end of the injection gate 3 penetrates through the upper end surface of the upper die 1;

2 up end of lower mould is provided with into die cavity 13, it is provided with cooling hole 6 to become die cavity 13 below, the inside copper pipe 7 that can dismantle and be connected with of cooling hole 6, the terminal surface can be dismantled and be connected with water tank 10 under 2 lower dies, the water inlet has been seted up to 10 side surfaces of water tank, can add water to water tank 10 through the water inlet, water pump 9 can be dismantled and be connected with in 10 one side of water tank, water pump 9 delivery port is through first water pipe 8 and 7 one end intercommunication of copper pipe, water pump 9 water inlet and 10 intercommunications of water tank, the 7 other end of copper pipe passes through

second water pipe

11 and 10 intercommunications of water tank, cooling hole 6 and 7 concrete quantities of copper pipe all are.

The working principle is as follows: when pouring raw materials that raw materials hot melt into the mould when, the raw materials flows into in recess 4 and fill up whole recess 4 by notes runner 3, and the raw materials in recess 4 enters into the mould chamber 13 by a plurality of groups runner 5 respectively and makes into the mould chamber 13 and fill up the raw materials, thereby the completion is moulded plastics, and when the finished product cooling to in the mould, copper pipe 7 absorbs the heat of mould, water pump 9 takes the water in with water tank 10 out to copper pipe 7 in, water among the copper pipe 7 flows back to water tank 10 again, make the heat of copper pipe 7 absorbed by the flowing water, can be quick cool off the finished product.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection mold with novel mouth of pouring, includes mould (1) and lower mould (2), lower mould (2) are located mould (1) lower extreme and swing joint, its characterized in that: the upper die (1) is internally provided with an injection gate (3), a groove (4) and a flow passage (5) from top to bottom respectively, the injection gate (3), the groove (4) and the runner (5) are communicated with each other, one end of the injection gate (3) penetrates through the upper end surface of the upper die (1), the upper end surface of the lower die (2) is provided with a molding cavity (13), a cooling hole (6) is arranged below the molding cavity (13), a copper pipe (7) is detachably connected inside the cooling hole (6), the lower end surface of the lower die (2) is detachably connected with a water tank (10), one side of the water tank (10) is detachably connected with a water pump (9), the water outlet of the water pump (9) is communicated with one end of the copper pipe (7) through a first water pipe (8), the water inlet of the water pump (9) is communicated with the water tank (10), and the other end of the copper pipe (7) is communicated with the water tank (10) through a second water pipe (11).

2. The injection mold with the novel pouring opening as claimed in claim 1, wherein: the positioning device is characterized in that four corners of the surface of the lower end of the upper die (1) are fixedly connected with positioning needles (14), four corners of the surface of the upper end of the lower die (2) are provided with positioning holes (12), and the positioning needles (14) are inserted into the positioning holes (12).

3. The injection mold with the novel pouring opening as claimed in claim 1, wherein: the specific number of the runners (5) is provided with a plurality of groups, and the plurality of groups of runners (5) are communicated with the molding cavity (13).

4. The injection mold with the novel pouring opening as claimed in claim 1, wherein: a water inlet is formed in the surface of one side of the water tank (10).

5. The injection mold with the novel pouring opening as claimed in claim 1, wherein: the cooling holes (6) and the copper pipes (7) are arranged in a plurality of groups in specific number, and the copper pipes (7) in the groups are communicated with each other.

6. The injection mold with the novel pouring opening as claimed in claim 1, wherein: the groove (4) is a groove with a long strip-shaped structure.