CN220409542U - Injection molding mould temperature system - Google Patents

Abstract

The utility model aims to provide an injection molding mould temperature system which solves the problem of overlarge temperature difference between an upper mould core and a lower mould core, and comprises an upper mould, a lower mould, an upper mould core and a lower mould core, wherein the upper mould core is arranged in the upper mould, the lower mould core is arranged in the lower mould, a first cooling water channel is arranged in the upper mould, and a second cooling water channel is arranged in the lower mould.

Description

Injection molding mould temperature system

Technical Field

The utility model relates to the field of mold cooling, in particular to an injection molding mold temperature system.

Background

Although the cooling of the present mold is already a mature technology, the upper mold core and the lower mold core are cooled by the upper mold core and the lower mold core, because the cavity spaces in the upper mold core and the lower mold core are different, that is, when a product is injection molded, the amount of plastic or injection molding materials in the upper mold core and the lower mold core is different, because the plastic or injection molding materials are at high temperature, that is, the temperatures of the upper mold core and the lower mold core are different, the temperatures of the upper part and the lower part of the injection molded product are different, the plastic or injection molding materials can overflow because of the high temperature, the burrs or burrs are generated when the injection molded product is connected, the appearance and the performance of the product are further affected, and the manual processing brings huge cost consumption.

How to make the temperature difference between the upper die core and the lower die core within an acceptable range is a problem to be considered.

Disclosure of Invention

The utility model aims to provide an injection molding mould temperature system which solves the problem of overlarge temperature difference between an upper mould core and a lower mould core.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an injection molding die temperature system which comprises an upper die, a lower die, an upper die core and a lower die core, wherein the upper die core is arranged in the upper die, the lower die core is arranged in the lower die, a first cooling water channel is arranged in the upper die, and a second cooling water channel is arranged in the lower die.

Optionally, the bottom area of the groove is smaller than the surface at the opening.

Optionally, the hollow column has a top area that is smaller than a bottom area.

Optionally, the bottom area of the recess is as large as the top area of the hollow column.

Optionally, a mold temperature monitor is connected with the mold temperature machine.

Further, a first temperature sensing wire and a second temperature sensing wire are arranged on the mold temperature monitor, the first temperature sensing wire is connected with the upper mold core, and the second temperature sensing wire is connected with the lower mold core.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

according to the injection molding mould temperature system, the temperature of the first cooling water channel and the temperature of the second cooling water channel can be respectively adjusted by the mould temperature machine, so that the temperature difference between the upper mould core and the lower mould core can be reduced, the temperature in the upper mould core and the temperature in the lower mould core can be monitored by the mould temperature monitor, the mould temperature monitor sends an instruction to the mould temperature machine, and the temperature of a corresponding pipeline is adjusted, so that the problem of overlarge temperature difference between the upper mould core and the lower mould core is solved.

Further, according to the injection molding mould temperature system, the temperature difference between the upper mould core and the lower mould core is reduced, so that burrs or burrs of a molded product are reduced.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

FIG. 1 is a schematic perspective view of an injection molding mold temperature system according to a preferred embodiment of the present utility model;

fig. 2 is a perspective view of the upper die;

fig. 3 is a perspective view of the lower die;

FIG. 4 is a bottom view of playing chess;

FIG. 5 is a schematic cross-sectional view taken along section line A-A in FIG. 4;

fig. 6 is an enlarged view of a portion a of fig. 5;

FIG. 7 is a schematic cross-sectional view taken along section line B-B in FIG. 4;

fig. 8 is a diagram of the connection between the components.

Wherein reference numerals are as follows:

1. an upper die;

11. a first cooling water channel;

2. a lower die;

21. a second cooling water channel;

3. an upper die core;

31. a groove;

4. a lower die core;

41. a bump;

5. a mold temperature machine;

6. a mold temperature monitor;

61. a first temperature sensing line;

62. and a second temperature sensing line.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

As shown in fig. 1, 2 and 3, the mold comprises an upper mold 1, a lower mold 2, an upper mold core 3 and a lower mold core 4, wherein the upper mold core 3 is arranged in the upper mold 1, the lower mold core 4 is arranged in the lower mold 2, a first cooling water channel 11 is arranged in the upper mold 1, a second cooling water channel 21 is arranged in the lower mold 2, the first cooling water channel 11 and the second cooling water channel 21 are communicated with a mold temperature machine 5, the first cooling water channel 11 and the second cooling water channel 21 are communicated with the mold temperature machine 5 through external pipelines, the mold temperature machine 5 is used for adjusting the temperatures in the first cooling water channel 11 and the second cooling water channel 21, the first cooling water channel 11 and the second cooling water channel 21 are circulating water channels, the temperature of the upper mold core 3 and the lower mold core 4 is reduced by reducing the liquid temperatures in the first cooling water channel 11 and the second cooling water channel 21, and the corresponding plastic or injection molding material temperature of the upper mold core 3 and the lower mold core 4 is also reduced.

As shown in FIG. 4, the lower die 2 is shown in a bottom view, with lines of sight A-A and B-B on the top, and a second temperature sensing line 62.

As shown in fig. 5, 6 and 7, the lower mold core 4 is provided with the protruding block 41, the upper mold core 3 is provided with the groove 31, and the protruding block 41 is embedded into the groove 31 during injection molding, so that the protruding block 41 and the groove 31 have a first state and a second state, the protruding block 41 is embedded into the groove 31 in the first state, the plastic or injection molding material in the lower mold core 4 is thermally expanded due to high temperature, the expanded plastic or injection molding material overflows through the joint of the upper mold core 3 and the lower mold core 4, that is, the expanded plastic or injection molding material is arranged outside the protruding block 41, and the groove 31 is sleeved on the protruding block 41 so as not to leak out, and in the second state, the protruding block 41 is separated from the groove 31, that is, after injection molding, the product is injection molded.

The bottom area of the groove 31 is smaller than the opening area, that is, the wall body of the groove 31 is a curved surface or an inclined surface, and the area from the bottom of the groove 31 to the opening of the groove 31 is larger and larger, that is, the wall body of the groove 31 is not perpendicular to the bottom of the groove 31, but the wall body of the groove 31 forms an obtuse angle with the bottom surface of the groove 31.

The top area of the bump 41 is smaller than the bottom area, the inside of the bump 41 is solid, the bump 41 protrudes out of the lower die core 4, and the area from the bottom surface of the bump 41 to the top surface of the bump 41 is gradually reduced, so that the wall body of the bump 41 is also an inclined surface or a curved surface.

The bottom area of the groove 31 is as large as the top area of the bump 41, the bump 41 and the groove 31 are completely engaged, and no gap exists between the wall of the groove 31 and the wall of the bump 41.

As shown in fig. 8, the connection or communication between the components is shown, the first temperature sensing wire 61 and the second temperature sensing wire 62 are respectively connected with the upper mold core 3 and the lower mold core 4, or are in contact with each other, meanwhile, the first temperature sensing wire 61 and the second temperature sensing wire 62 are connected with the mold temperature monitor 6, the mold temperature monitor 6 is connected with the mold temperature machine 5 through wires, and the mold temperature machine 5 is simultaneously communicated with the first cooling water channel 11 and the second cooling water channel 21 through a pipeline, of course, the mold temperature machine 5 can also heat, the mold temperature monitor 6 can directly sense the temperature of the upper mold core 3 and the lower mold core 4, for example, the temperature of the corresponding upper mold core 3 and the lower mold core 4 is notified through heat conduction, so that the mold temperature monitor 6 sends instructions to the mold temperature machine 5.

The upper die core 3 and the lower die core 4 are provided with temperature sensing points, the temperature sensing points adopt high-performance heat conduction paste, the first temperature sensing line 61 and the second temperature sensing line 62 are in contact with the high-performance heat conduction paste of the temperature sensing points, at least one of the first temperature sensing line 61 and the second temperature sensing line 62 is arranged, and at least two of the first temperature sensing line 61 and the second temperature sensing line 62 are arranged in the application.

Its working source is as follows "

In the cooling state, the mold temperature monitor 6 knows the temperatures of the upper mold core 3 and the lower mold core 4 through the first temperature sensing line 61 and the second temperature sensing line 62 respectively, the corresponding temperature difference is preset in the mold temperature monitor 6, namely, the temperature difference between the upper mold core 3 and the lower mold core 4, when the temperature difference between the upper mold core 3 and the lower mold core 4 is not in the set range, which indicates that one of the temperatures is too high, the mold temperature monitor 6 sends an instruction to the mold temperature machine 5, the mold temperature machine 5 reduces the temperature of the liquid in the first cooling water channel 11 or the second cooling water channel 21, and the temperature of the liquid in the first cooling water channel 11 or the second cooling water channel 21 can be regulated to be higher through the mold temperature machine 5, so that the requirement of the temperature of an injection molding product is met, and the temperature difference between the upper mold core 3 and the lower mold core 4 is monitored by the mold temperature monitor 6 to be in the set range.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims (5)

1. The utility model provides an injection moulding mould warm system, includes mould (1), lower mould (2), goes up mould benevolence (3) and lower mould benevolence (4), go up mould benevolence (3) set up in going up mould (1), lower mould benevolence (4) set up in lower mould (2), be provided with first cooling water course (11) in going up mould (1), be provided with second cooling water course (21) in lower mould (2), a serial communication port, be provided with recess (31) on last mould benevolence (3), be provided with lug (41) on lower mould benevolence (4), lug (41) with recess (31) have first state and second state, under the first state lug (41) embedding is in recess (31), under the second state, lug (41) with recess (31) separation, with mould warm machine (5) that are connected with first cooling water course (11) and second cooling water course (21), monitor (6) are connected with mould benevolence (6) warm machine (6) mould benevolence (6) are connected simultaneously.

2. Injection molding die temperature system according to claim 1, characterized in that the bottom area of the groove (31) is smaller than the opening area.

3. Injection molding die temperature system according to claim 1, wherein the top area of the bump (41) is smaller than the bottom area.

4. Injection molding temperature system according to claim 1, characterized in that the bottom area of the groove (31) is as large as the top area of the bump (41).

5. Injection molding mold temperature system according to claim 1, characterized in that the mold temperature monitor (6) is provided with a first temperature sensing wire (61) and a second temperature sensing wire (62), the first temperature sensing wire (61) is connected with the upper mold core (3), and the second temperature sensing wire (62) is connected with the lower mold core (4).