CN216683231U

CN216683231U - Flat plate type partitioned heating mould

Info

Publication number: CN216683231U
Application number: CN202123149027.1U
Authority: CN
Inventors: 虞雪辉
Original assignee: Zhuhai Zhenghang Technology Co ltd
Current assignee: Zhuhai Zhenghang Technology Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-06-07
Anticipated expiration: 2031-12-15

Abstract

The utility model provides a flat plate type zone heating die which comprises a lower die plate and an upper die plate, wherein the lower die plate is provided with a lower die core, the lower die core is provided with a lower die cavity, the lower die plate is provided with a lower heating groove positioned below the lower die cavity, the lower heating groove is provided with a lower heat conducting plate attached to the lower die core, the lower wall of the lower heat conducting plate is spirally provided with a lower heating coil, the upper die plate is provided with an upper die core, the upper die core is provided with an upper die cavity matched with the lower die cavity, and the upper die plate is provided with a rubber inlet pipeline communicated with the upper die cavity; according to the utility model, the heat conducting plate is arranged at the position corresponding to the cavity, and the heating coil is coiled on the inner wall of the heat conducting plate, so that the mold can stably, uniformly and accurately conduct heat energy to the cavity, and thermosetting plastics in the cavity are uniformly heated and cured, thus the consistency of products produced by the mold is ensured, the heating efficiency and the heat conduction efficiency of the mold are improved, and the electric heating energy of the mold during working is saved; the utility model belongs to the technical field of injection molds.

Description

Flat plate type partitioned heating mould

Technical Field

The utility model belongs to the technical field of injection molds, and particularly relates to a flat plate type zone heating mold.

Background

In the injection molding process of the thermosetting plastic, the thermosetting plastic is heated for the first time to soften and flow into the cavity, and then the thermosetting plastic in the cavity is heated to a certain temperature again to generate chemical reaction-cross-linking curing to harden and form a product. When the thermosetting plastic is molded in the cavity, the temperature of the mold and the cavity in the mold is generally raised by arranging the cylindrical heating tube in the mold, and the heating tube in the mold is cylindrical, so that the distance between the highest top point of the heating tube and the cavity in the mold is shortest, the heating position of the mold is uneven, the thermosetting plastic in the cavity cannot be uniformly heated, and meanwhile, the heat conduction process can cause great heat energy loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flat plate type zone heating mould to uniformly heat thermosetting plastics in a cavity.

The lower mold core comprises a lower mold plate and an upper mold plate, wherein the lower mold plate is provided with a lower mold core, the lower mold core is provided with a lower mold cavity, the lower mold plate is provided with a lower heating groove positioned below the lower mold cavity, the lower heating groove is provided with a lower heat conducting plate attached to the lower mold core, the lower wall of the lower heat conducting plate is spirally provided with a lower heating coil, the upper mold plate is provided with an upper mold core, the upper mold core is provided with an upper mold cavity matched with the lower mold cavity, and the upper mold plate is provided with a rubber inlet pipeline communicated with the upper mold cavity.

After the upper template and the lower template are assembled, the upper die cavity and the lower die cavity are attached to form a forming cavity, thermosetting plastic is heated and softened and then is injected into the die cavity through the rubber inlet pipeline, the lower heating coil generates heat, and the heat energy is conducted to the die cavity through the lower heat conducting plate so as to heat and solidify the thermosetting plastic in the die cavity.

Preferably, the lower heat conducting plate is provided with a lower groove for wrapping the lower heating coil; according to the technical scheme, the contact area between the lower heating coil and the lower heat conducting plate is increased, so that the heat conductivity is improved.

Preferably, the lower die core is provided with at least 2 lower die cavities, and the lower die core is provided with a lower heat insulation through hole positioned between two adjacent lower die cavities; according to the technical scheme, when the mould is provided with a plurality of cavities, the heat of each cavity is isolated from being mutually transferred, so that the temperature of each cavity is ensured to be balanced.

Preferably, the lower mold core is respectively provided with a lower temperature sensor positioned beside each lower mold cavity; according to the technical scheme, the temperature of each lower cavity is monitored, so that the temperature of the heating coil corresponding to each lower cavity is controlled, and the temperature of each cavity is balanced.

Preferably, the upper die core is provided with an upper heat insulation through hole positioned between two adjacent upper die cavities; according to the technical scheme, the heat of each cavity is better isolated from being mutually transferred, so that the temperature of each cavity is better balanced.

Preferably, the upper template is provided with a guide pillar, and the lower template is provided with a guide sleeve matched with the guide pillar; according to the technical scheme, the upper template and the lower template are more stably matched for matching and opening the mold.

Preferably, the upper die plate is provided with an upper heating groove positioned above the upper die cavity, the upper heating groove is provided with an upper heat conducting plate attached to the upper die core, the upper heat conducting plate and the upper heating groove are both provided with glue passing holes matched with the glue inlet pipe, and the upper wall of the upper heat conducting plate is coiled with an upper heating coil; according to the technical scheme, after the upper template and the lower template are assembled, the upper heating coil generates heat and conducts the heat energy to the cavity through the upper heat conducting plate, so that the efficiency of heating thermosetting plastics in the cavity is improved more uniformly, and the heating efficiency is improved.

Preferably, the upper heat conducting plate is provided with an upper groove for wrapping the upper heating coil; according to the technical scheme, the contact area between the upper heating coil and the upper heat conducting plate is increased, and therefore the heat conductivity is improved.

Preferably, the upper mold core is provided with an upper temperature sensor positioned beside the upper cavity; according to the technical scheme, the temperature of each upper cavity is monitored, so that the temperature of the upper heating coil corresponding to each upper cavity is controlled, and the temperature of each cavity is balanced.

The following are the beneficial effects of the utility model:

according to the utility model, the heat conducting plate is arranged at the position corresponding to the cavity, and the heating coil is coiled on the inner wall of the heat conducting plate, so that the mold can stably, uniformly and accurately conduct heat energy to the cavity, and thermosetting plastic in the cavity is uniformly heated and cured, thus the consistency of products produced by the mold is ensured, the heating efficiency and the heat conduction efficiency of the mold are improved, and the electric heating energy of the mold during working is saved.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments or the related art will be briefly described below.

FIG. 1 is an exploded view of the present invention;

FIG. 2 is an exploded view of the lower mold insert of the present invention;

FIG. 3 is a schematic structural diagram of a lower heating coil according to the present invention;

FIG. 4 is an exploded view of the upper mold core according to the present invention;

fig. 5 is a schematic structural view of the upper heat generating coil according to the present invention.

Reference numerals are as follows:

1. a lower template; 11. a lower die core; 12. a lower cavity; 13. a lower heating slot; 14. a lower heat conducting plate; 141. a lower groove; 15. a heating coil is sent down; 16. a lower thermally insulating through-hole; 17. a lower temperature sensor; 18. a guide sleeve;

2. mounting a template; 21. an upper die core; 22. an upper cavity; 23. a glue inlet pipeline; 24. an upper thermally insulating through-hole; 25. a guide post; 26. an upper heating slot; 27. an upper heat conducting plate; 271. an upper groove; 28. passing through a glue hole; 29. an upper heating coil; 30. an upper temperature sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1 to 3, the present invention includes a lower template 1 and an upper template 2.

The lower template 1 is provided with a guide sleeve 18 and a lower mold core 11, the lower mold core 11 is provided with at least 2 lower mold cavities 12, the lower mold core 11 is provided with a lower heat insulation through hole 16 positioned between two adjacent lower mold cavities 12, and the lower mold core 11 is respectively provided with a lower temperature sensor 17 positioned beside each lower mold cavity 12; the lower template 1 is provided with a lower heating groove 13 positioned below the lower cavity 12, the lower heating groove 13 is provided with a lower heat conducting plate 14 attached to the lower die core 11, the lower wall of the lower heat conducting plate 14 is spirally provided with a lower heating coil 15, and the lower heat conducting plate 14 is provided with a lower groove 141 wrapping the lower heating coil 15.

As shown in fig. 1, 4 and 5, the upper mold plate 2 is provided with a glue inlet pipe 23, the upper mold plate 2 is provided with a guide pillar 25 and an upper mold core 21, the guide pillar 25 is matched with the guide sleeve 18, the upper mold core 21 is provided with a plurality of upper mold cavities 22 which are respectively matched with each lower mold cavity 12 and form a mold cavity, and the upper mold core 21 is provided with an upper heat insulation through hole 24 positioned between two adjacent upper mold cavities 22; the upper die plate 2 is provided with an upper heating groove 26 positioned above the upper die cavity 22, the upper heating groove 26 is provided with an upper heat conducting plate 27 attached to the upper die core 21, the upper wall of the upper heat conducting plate 27 is coiled with an upper heating coil 29, the upper heat conducting plate 27 is provided with an upper groove 271 wrapped with the upper heating coil 29, the upper die core 21 is provided with an upper temperature sensor positioned beside the upper die cavity 22, the upper heat conducting plate 27 and the upper heating groove 26 are both provided with a glue passing hole 28 connected with the glue inlet pipeline 23, and the glue passing hole 28 is communicated with the upper die cavity 22.

The working process of the utility model is as follows:

when the upper template 2 and the lower template 1 are matched, the guide post 25 enters the guide sleeve 18, so that when the upper template 2 is attached to the lower template 1, the upper cavity 22 is aligned with the lower cavity 12 and attached to form a cavity.

After the upper template 2 and the lower template 1 are matched, the injection molding equipment heats and softens the thermosetting plastic and injects the thermosetting plastic into the cavity through the glue inlet pipeline 23, the lower heating coil 15 generates heat and conducts the heat energy to the lower cavity 12 above the lower heating coil through the lower heat conducting plate 14, and meanwhile, the upper heating coil 29 generates heat and conducts the heat energy to the upper cavity 22 below the upper heating coil through the upper heat conducting plate 27 so as to heat and solidify the thermosetting plastic in the cavity.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a flat subregion heating mould, its includes lower bolster (1) and cope match-plate pattern (2), its characterized in that: lower mould benevolence (11) is installed in lower bolster (1), lower mould benevolence (11) are equipped with down die cavity (12), lower bolster (1) is equipped with and is located lower heat sink (13) of lower die cavity (12) below, lower heat sink (13) install with lower heat-conducting plate (14) of lower mould benevolence (11) laminating, the lower wall of lower heat-conducting plate (14) spirals and has lower heating coil (15), mould benevolence (21) is installed in cope match-plate pattern (2), go up mould benevolence (21) be equipped with die cavity (12) complex goes up die cavity (22) down, cope match-plate pattern (2) be equipped with the gluey pipeline (23) of advancing of last die cavity (22) intercommunication.

2. The flat plate type zone heating mold according to claim 1, wherein: the lower heat conducting plate (14) is provided with a lower groove (141) wrapping the lower heating coil (15).

3. The flat plate type zone heating mold according to claim 2, wherein: the lower die core (11) is provided with at least 2 lower die cavities (12), and the lower die core (11) is provided with a lower heat insulation through hole (16) positioned between two adjacent lower die cavities (12).

4. The flat plate type zone heating mold according to claim 3, wherein: the lower die core (11) is respectively provided with a lower temperature sensor (17) which is positioned beside the lower die cavity (12).

5. The flat plate type zone heating mold according to claim 4, wherein: the upper die core (21) is provided with an upper heat insulation through hole (24) positioned between two adjacent upper die cavities (22).

6. The flat plate zoned heating mold of claim 5, wherein: the upper template (2) is provided with a guide post (25), and the lower template (1) is provided with a guide sleeve (18) matched with the guide post (25).

7. The flat plate type zone heating mold according to any one of claims 1 to 6, wherein: the upper die plate (2) is provided with an upper heating groove (26) located above the upper die cavity (22), an upper heat conducting plate (27) attached to the upper die core (21) is installed on the upper heating groove (26), the upper heat conducting plate (27) and the upper heating groove (26) are both provided with glue passing holes (28) connected with the glue inlet pipeline (23), the glue passing holes (28) are communicated with the upper die cavity (22), and an upper heating coil (29) is coiled on the upper wall of the upper heat conducting plate (27).

8. The flat plate type zone heating mold according to claim 7, wherein: the upper heat conducting plate (27) is provided with an upper groove (271) wrapping the upper heating coil (29).

9. The flat plate type zone heating mold according to claim 8, wherein: the upper die core (21) is provided with an upper temperature sensor (30) which is positioned beside the upper die cavity (22).