CN213919464U

CN213919464U - Heating device for mould and mould with same

Info

Publication number: CN213919464U
Application number: CN202022845600.1U
Authority: CN
Inventors: 曹昌明; 郭汶欣
Original assignee: Dongguan Mold Best Hot Runner Technology Co ltd
Current assignee: Dongguan Mold Best Hot Runner Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-10
Anticipated expiration: 2030-11-30

Abstract

The utility model relates to the technical field of dies, in particular to a heating device for a die and a die with the heating device, wherein the heating device comprises a heating plate and a heating wire, the heating plate is provided with a curve groove, and any end part of the heating wire extends into an inlet of the curve groove and penetrates out from an outlet of the curve groove; the heating plate is also provided with a temperature probe, and the working end of the temperature probe is not perpendicular to the normal direction of the heating plate; the heating plate is provided with at least one mounting hole, and the working end of the temperature detecting needle is parallel to the normal direction of the heating plate. Compared with the prior art, its simple structure, dismouting convenient to use can install the position that the mould suited according to the demand of production, in addition, can monitor the local temperature of mould through setting up temperature probe, makes the local temperature of mould that technical staff can in time adjust according to the demand, thereby quick adjustment improves production efficiency.

Description

Heating device for mould and mould with same

Technical Field

The utility model relates to the technical field of mold, especially, relate to a heating device for mould and have this heating device's mould.

Background

Injection molds are important process equipment for producing various industrial products, and with the rapid development of the plastic industry, the application range of the injection molds is wider and wider. An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions.

At present, aiming at plastic parts with complex structures or large volumes, the heating degree of each mold core is different when the injection molding is carried out due to the complex structures or large areas, and the phenomena of deformation, warping, uneven gaps and the like of products can be caused due to uneven temperature. In order to solve the phenomenon, the die needs to be debugged for many times or redesigned, so that the cost is high, the time is long, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure's heating device for mould to not enough among the prior art, still provide a mould that has this heating device.

The purpose of the utility model is realized through the following technical scheme: the application provides a heating device for a mold, which comprises a heating plate and a heating wire, wherein the heating plate is provided with a curve groove, and any end part of the heating wire extends into an inlet of the curve groove and penetrates out of an outlet of the curve groove; the heating plate is also provided with a temperature probe, and the working end of the temperature probe is not perpendicular to the normal direction of the heating plate; the heating plate is provided with at least one mounting hole.

Wherein, the working end of the temperature detecting needle is parallel to the normal direction of the heating plate.

Wherein, the curved groove is arranged in an M shape.

Wherein the diameter of the heating wire is 1.3-3.5 mm.

Wherein, the diameter of the heating wire is 1.8 mm.

Wherein, the mounting hole is provided with a plurality ofly, and a plurality of mounting holes interval is arranged.

Wherein, each mounting hole is a counter bore.

The application still provides a mould, including a plurality of mould benevolence, a plurality of mould benevolence enclose into the die cavity that is used for the shaping product jointly, including foretell heating device, the storage tank has all been seted up to each mould benevolence, and equal fixed mounting has a heating device in each storage tank, and the tank bottom of each storage tank all sets up the work end male blind hole that supplies the temperature probe needle.

The heating wire and the temperature detecting needle of each heating device are electrically connected with the controller, and each heating wire is controlled by the controller.

Each heating device is fixedly installed in the accommodating groove of the corresponding mold insert through screws, and the accommodating groove is provided with threaded holes corresponding to the mounting holes.

The utility model has the advantages that: compared with the prior art, the heating device for the mold is simple in structure and convenient to disassemble, assemble and use, and can be installed at a position where the mold is adapted according to production requirements;

the application also provides a mold, wherein each mold core of the mold is provided with the heating device, so that the temperature of each mold core can be adjusted according to different temperature requirements, and the mold is suitable for the production requirements of different products;

in addition, the mould is also provided with a controller, after software technicians program the hardware, the controller can adjust the heating wires of the mould cores to generate heat according to the temperature information fed back by each heating device, so that the temperature of each mould core reaches balance or reaches different temperatures according to different production requirements, the mould is suitable for different products, the problems of deformation, warping and uneven gaps of the previous products are solved, and the applicability is enhanced.

Drawings

The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.

Fig. 1 is a schematic structural diagram of a mold in this embodiment.

Fig. 2 is an exploded view of a mold according to the present embodiment.

Fig. 3 is a schematic structural diagram of the heating apparatus in this embodiment.

Fig. 4 is a cross-sectional view of the heating device and the mold insert of the present embodiment.

Reference numerals: the mold comprises a mold core 1, a threaded hole 11, a containing groove 12, a heating device 2, a heating plate 21, a curve groove 22, a heating wire 23, a temperature detecting needle 24, a blind hole 25 and a mounting hole 26.

Detailed Description

The invention will be further described with reference to the following examples.

The utility model discloses a concrete implementation mode of mould, as shown in fig. 1, the mould includes a plurality of benevolence 1, and a plurality of benevolence 1 enclose into the die cavity that is used for the shaping product jointly.

As an improvement, please refer to fig. 2, each mold core 1 of the mold is provided with a receiving groove 12, and a heating device 2 is fixedly installed in each receiving groove 12. Referring to fig. 3, the heating device 2 includes a heating plate 21 and a heating wire 23, the heating plate 21 is provided with a curved slot 22, and one end of the heating wire 23 extends into an inlet of the curved slot 22 and penetrates out of an outlet of the curved slot 22. The heating plate 21 is further provided with a temperature detecting needle 24, the temperature detecting needle 24 is arranged on the surface of the heating plate 21 provided with the curve groove 22, and the working end of the temperature detecting needle 24 is not perpendicular to the normal direction of the heating plate 21. Referring to fig. 4, the bottom of each accommodating groove 12 is provided with a blind hole 25 into which the working end of the temperature probe 24 is inserted. In order to facilitate the disassembly and assembly of the temperature detecting needle 24 or the heating device 2, the working end of the temperature detecting needle 24 is parallel to the normal direction of the heating plate 21, that is, the working end of the temperature detecting needle 24 is perpendicular to the end of the heating plate 21, and of course, in order to facilitate the extraction of the temperature detecting needle 24, the temperature detecting needle 24 may be arranged obliquely.

In this embodiment, in order to facilitate the disassembly and assembly of the heating device 2, the heating plate 21 has a plurality of mounting holes 26, the mounting holes 26 are arranged at intervals, and the accommodating groove 12 has a threaded hole 11 corresponding to the mounting hole 26, so that each heating device 2 can be fixedly mounted in the accommodating groove 12 of the mold core 1, and the heating device 2 is rapidly fixed by the screw and the threaded hole 11. In addition, each mounting hole 26 is a countersunk hole to avoid the influence of the screw on the operation of the mold.

In this embodiment, the curved groove 22 is M-shaped, and the M-shaped can increase the area of arranging of the heating wire 23 on the heating plate 21, thereby increasing the coverage of the heating wire 23 on the heating plate 21, and when the heating wire 23 works, the heating wire 23 can uniformly heat the mold core 1, thereby further improving the heating stability.

Furthermore, the diameter of the heating wire 23 can be selected within the range of 1.3-3.5mm, and the most preferable scheme is that the diameter of the heating wire 23 is selected from 1.8mm heat conducting wires, and the heat conducting wires are proper in size and good in toughness, so that the assembly and the maintenance are more convenient, the heating efficiency is good, and the electric power waste is avoided.

Compared with the prior art, the heating device 2 for the mold has the advantages that the structure is simple, the disassembly and the assembly are convenient to use, the position which is suitable for the mold can be installed according to production requirements, in addition, the temperature of the local part of the mold can be monitored by arranging the temperature probe 24, technicians can adjust the temperature of the local part of the mold in time according to the requirements, and the production efficiency is improved by rapid adjustment.

In the mold of this embodiment, each mold core 1 of the mold is installed with the heating device 2 of this embodiment, so that the temperature of each mold core 1 can be adjusted according to different temperature requirements, and the mold is suitable for the production requirements of different products.

In addition, the mould also comprises a controller, the heating wire 23 and the temperature probe 24 of each heating device 2 are electrically connected with the controller, and each heating wire 23 is controlled by the controller. Through setting up the controller, treat that software technical staff programs the back to hardware, the controller can adjust the heater 23 of each mould benevolence 1 according to the temperature information that each heating device 2 feedbacked and generate heat to make the temperature of each mould benevolence 1 reach balanced, perhaps reach different temperatures according to the production demand of difference, thereby be applicable to different products, solved in the past the product appear warp, the problem of warpage and the uneven in clearance, thereby the suitability of reinforcing mould. Is particularly suitable for the production of large products requiring dynamic temperature balance.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A heating device for a mold is characterized in that: the heating device comprises a heating plate and a heating wire, wherein the heating plate is provided with a curve groove, and any end part of the heating wire extends into an inlet of the curve groove and penetrates out of an outlet of the curve groove; the heating plate is also provided with a temperature probe, and the working end of the temperature probe is not perpendicular to the normal direction of the heating plate; the heating plate is provided with at least one mounting hole.

2. A heating apparatus for a mold as set forth in claim 1, wherein: the working end of the temperature probe is parallel to the normal direction of the heating plate.

3. A heating apparatus for a mold as set forth in claim 1, wherein: the curved groove is arranged in an M shape.

4. A heating apparatus for a mold as set forth in claim 1, wherein: the diameter of the heating wire is 1.3-3.5 mm.

5. A heating apparatus for a mold as set forth in claim 3, wherein: the diameter of the heating wire is 1.8 mm.

6. A heating apparatus for a mold as set forth in claim 1, wherein: the mounting hole is provided with a plurality ofly, and a plurality of mounting holes interval is arranged.

7. The heating device for a mold as set forth in claim 6, wherein: each mounting hole is a counter bore.

8. A mold comprises a plurality of mold cores, wherein the mold cores jointly define a cavity for molding a product, the mold comprises a plurality of heating devices according to any one of claims 1 to 7, each mold core is provided with a containing groove, each containing groove is fixedly provided with one heating device, and the bottom of each containing groove is provided with a blind hole for inserting a working end of a temperature detecting needle.

9. A mold as in claim 8, wherein: the heating wire and the temperature detecting needle of each heating device are electrically connected with the controller, and each heating wire is controlled by the controller.

10. A mold as in claim 8, wherein: each heating device is fixedly installed in the containing groove of the corresponding die core through screws, and the containing groove is provided with threaded holes corresponding to the mounting holes.