阅读说明：本技术 一种注塑机模具的加热系统 (Heating system of injection molding machine mould ) 是由 陈剑平 金海宾 于 2021-07-10 设计创作，主要内容包括：本发明公开了一种注塑机模具的加热系统,包括料筒,料筒由外料筒以及内料筒组成,加热系统包括预加热系统以及智能控温系统,内料筒与外料筒之间具有空腔,外料筒设有多块安装支架,预加热系统包括设于外料筒外部的电热圈以及设于安装支架上的高温风机,智能控温系统包括设于内料筒外侧壁上的多个加热块以及设于安装支架侧边的温度控制器,多个加热块分别设于相邻两个高温风机的间距之中,同时加热块独立设置,单独受相对应的温度控制器控制,每个加热块对内料筒的加热温度不尽相同,内料筒形成了多段加热段,料筒的侧边还设有可移动的温度检测器,温度检测器与温度控制器信号连接,温度控制器与加热块控制连接。(The invention discloses a heating system of an injection molding machine die, which comprises a charging barrel, wherein the charging barrel consists of an outer charging barrel and an inner charging barrel, the heating system comprises a preheating system and an intelligent temperature control system, a cavity is arranged between the inner charging barrel and the outer charging barrel, the outer charging barrel is provided with a plurality of mounting brackets, the preheating system comprises an electric heating ring arranged outside the outer charging barrel and a high-temperature fan arranged on the mounting brackets, the intelligent temperature control system comprises a plurality of heating blocks arranged on the outer side wall of the inner charging barrel and a temperature controller arranged on the side edge of the mounting brackets, the plurality of heating blocks are respectively arranged in the space between two adjacent high-temperature fans, the heating blocks are independently arranged and are independently controlled by the corresponding temperature controllers, the heating temperature of each heating block to the inner charging barrel is different, the inner charging barrel is formed into a plurality of heating sections, the side edge of the charging barrel is also provided with a movable temperature detector, and the temperature detector is in signal connection with the temperature controllers, the temperature controller is connected with the heating block in a control way.)

1. A heating system of an injection molding machine mold comprises a charging barrel, wherein the charging barrel consists of an outer charging barrel and an inner charging barrel, and is characterized in that the heating system comprises a preheating system and an intelligent temperature control system;

a cavity is formed between the inner material cylinder and the outer material cylinder, the outer material cylinder is provided with a plurality of mounting brackets, and the mounting brackets are distributed around the center of the inner material cylinder;

the preheating system comprises an electric heating ring arranged outside the outer charging barrel and a high-temperature fan arranged on the mounting support, an air opening is formed in the barrel wall of the outer charging barrel, the electric heating ring heats the outer charging barrel, heat is transferred through the barrel wall of the outer charging barrel, an air outlet of the high-temperature fan faces the inner charging barrel, hot air formed when the electric heating ring heats is sucked into the cavity by the high-temperature fan, and the other part of hot air comprises a heat source formed when the electric heating ring heats the air in the cavity by the barrel wall of the outer charging barrel;

the intelligent temperature control system comprises a plurality of heating blocks arranged on the outer side wall of the inner charging barrel and a temperature controller arranged on the side edge of the mounting bracket, the plurality of heating blocks are respectively arranged in the space between two adjacent high-temperature fans, the heating blocks are independently arranged and are independently controlled by the corresponding temperature controllers, and the heating temperature of each heating block on the inner charging barrel is different, so that the inner charging barrel forms a multi-section heating section;

the side of the charging barrel is also provided with a movable temperature detector, the temperature detector is in signal connection with a temperature controller, and the temperature controller is in control connection with the heating block.

2. The heating system of an injection molding machine mold according to claim 1, wherein the temperature detector is connected with a moving mechanism, the moving mechanism comprises a linear guide rail, a slider, a driving assembly and a mounting plate, the driving assembly is connected with the slider and drives the slider to slide along the direction of the linear guide rail, the mounting plate is fixedly connected with the slider, and the temperature detector is arranged on the end surface of the mounting plate.

3. The heating system of an injection molding machine mold according to claim 1, wherein a spiral feeder and a hopper are arranged at the front end of the charging barrel, a discharge port of the spiral feeder is opposite to a feed port of the charging barrel, a particle suction pump is arranged on the side of the spiral feeder, the particle suction pump is connected with a discharge pipe, a solid particle flow meter is arranged on the discharge pipe, the spiral feeder is connected with a power controller in control connection with the spiral feeder, and the solid particle flow meter is in signal connection with the power controller.

4. The heating system for a mold of an injection molding machine according to claim 3, wherein the solid particle flow meters are in signal connection with a plurality of temperature controllers, respectively.

5. The heating system for the mold of the injection molding machine according to claim 1, wherein the inner surfaces of the outer cylinder and the inner cylinder are coated with a thermal insulating coating.

Technical Field

The invention relates to the technical field of injection molding machines, in particular to a heating system of an injection molding machine mold.

Background

The injection molding machine is a main molding device for manufacturing molten thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a plastic molding die, and is a processing device with the largest use amount in the plastic processing industry, when the injection molding machine is used for carrying out plastic thermoforming processing, the heating temperature of the device is very slow due to the device composition structure, the longer time in the processing process is occupied, and the production efficiency of the hot-forming processing of the injection molding machine is greatly limited, the existing injection molding machine heating system comprises an electric heating wire, an electric heating rod and electromagnetic heating, but the heating systems have the characteristic of relatively pure lagging control objects, overshoot and fluctuation phenomena are easy to occur, meanwhile, because the injection molding machine heating system is used for heating a charging barrel and an injection nozzle, a heating device of the charging barrel of the injection molding machine is arranged outside the charging barrel, and heat is provided for material plasticizing through heat conduction of the barrel wall, there are the extravagant scheduling problem of energy to current injection molding machine heating system can't realize adjusting the temperature of feed cylinder by oneself through the quantity that detects the inside raw materials of feed cylinder, probably still has the raw materials phenomenon inhomogeneous that is heated simultaneously, finally influences the machining efficiency of injection molding machine.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a heating system of an injection molding machine mold.

The technical scheme adopted by the invention for solving the technical problems is as follows: a heating system of an injection molding machine mold comprises a charging barrel, wherein the charging barrel consists of an outer charging barrel and an inner charging barrel, and the heating system comprises a preheating system and an intelligent temperature control system;

a cavity is formed between the inner material cylinder and the outer material cylinder, the outer material cylinder is provided with a plurality of mounting brackets, and the mounting brackets are distributed around the center of the inner material cylinder;

the preheating system comprises an electric heating ring arranged outside the outer charging barrel and a high-temperature fan arranged on the mounting support, an air opening is formed in the barrel wall of the outer charging barrel, the electric heating ring heats the outer charging barrel, heat is transferred through the barrel wall of the outer charging barrel, an air outlet of the high-temperature fan faces the inner charging barrel, hot air formed when the electric heating ring heats is sucked into the cavity by the high-temperature fan, and the other part of hot air comprises a heat source formed when the electric heating ring heats the air in the cavity by the barrel wall of the outer charging barrel;

the intelligent temperature control system comprises a plurality of heating blocks arranged on the outer side wall of the inner charging barrel and a temperature controller arranged on the side edge of the mounting bracket, the plurality of heating blocks are respectively arranged in the space between two adjacent high-temperature fans, the heating blocks are independently arranged and are independently controlled by the corresponding temperature controllers, and the heating temperature of each heating block on the inner charging barrel is different, so that the inner charging barrel forms a multi-section heating section;

the side of the charging barrel is also provided with a movable temperature detector, the temperature detector is in signal connection with a temperature controller, and the temperature controller is in control connection with the heating block.

Preferably, thermodetector is connected with moving mechanism, moving mechanism includes linear guide, slider, drive assembly and mounting panel, drive assembly is connected with the slider and drives the slider and slide along linear guide's direction, mounting panel and slider fixed connection, thermodetector locates on the terminal surface of mounting panel simultaneously.

Preferably, the front end of feed cylinder is equipped with screw feeder and hopper, screw feeder's discharge gate is relative with the pan feeding mouth position of feed cylinder, and screw feeder's side is equipped with the granule and inhales the material pump simultaneously, the granule inhales the material pump and is connected with the discharging pipe, be equipped with the solid particle flowmeter on the discharging pipe, screw feeder connects rather than control connection's power controller, solid particle flowmeter and power controller signal connection.

Preferably, the solid particle flow meters are respectively in signal connection with a plurality of temperature controllers.

Preferably, the inner surfaces of the outer barrel and the inner barrel are sprayed with heat preservation and insulation coatings.

Compared with the prior art, the invention has the beneficial effects that:

the invention realizes the effect of rapid temperature rise by arranging the preheating system and the intelligent temperature control system, and can properly adjust the feeding speed according to the quantity of materials, the solid particle flow meter feeds the result of detecting the materials passing through the discharge pipe back to the power controller, so that the turnover efficiency of the spiral feeder is higher when the material blanking quantity is large, otherwise, the solid particle flow meter is also in signal connection with the electric heating coil and the heating block, when the solid particle flow meter detects that the materials pass through, the electric heating coil is started to realize the preheating effect, meanwhile, the cylinder wall of the outer charging barrel is provided with the air opening, the electric heating coil heats the outer charging barrel, the heat transfers the heat through the cylinder wall of the outer charging barrel, the air outlet of the high-temperature fan faces the inner charging barrel, the high-temperature fan pumps the hot air formed when the electric heating coil heats the cavity, and the other part of the hot air comprises the hot air formed when the outer charging barrel heats the air formed by heating coil heating the air in the cavity by heating the cylinder wall of the outer charging barrel The heat source, thereby accelerate the temperature lifting speed of interior feed cylinder, a plurality of heating blocks are located respectively among the interval of two adjacent high temperature fans, the heating block independent setting simultaneously, receive corresponding temperature controller control alone, the heating temperature of every heating block internal feed cylinder is different, consequently, interior feed cylinder has formed the multistage heating section, and the side of feed cylinder still is equipped with mobilizable thermodetector, when thermodetector removes wind gap position department, the section of thick bamboo wall temperature of feed cylinder in detecting through infrared detection mode, and with this result feedback to on the temperature controller of relevant position, and then realize the effect of multistage temperature.

Drawings

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

FIG. 2 is a schematic view of the cartridge of the present invention;

FIG. 3 is an enlarged view of the structure A of FIG. 1 according to the present invention;

fig. 4 is a schematic structural view of the particulate suction pump of the present invention.

Reference numbers in the figures:

the device comprises a charging barrel 1, a hopper 2, an outer charging barrel 11, an inner charging barrel 12, a mounting bracket 13, a high-temperature fan 14, a heat-preservation heat-insulation coating 15, a temperature controller 16, a linear guide rail 21, a sliding block 22, a mounting plate 23, a temperature detector 24, a particle suction pump 3, a solid particle flow meter 31 and a discharge pipe 32.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-4, the present invention provides a heating system for a mold of an injection molding machine, comprising a charging barrel 1, wherein the charging barrel 1 is composed of an outer charging barrel 11 and an inner charging barrel 12, and the heating system comprises a preheating system and an intelligent temperature control system;

a cavity is formed between the inner material cylinder 12 and the outer material cylinder 11, the outer material cylinder 11 is provided with a plurality of mounting brackets 13, and the mounting brackets 13 are distributed around the center of the inner material cylinder 12;

the preheating system comprises an electric heating ring arranged outside the outer charging barrel 11 and a high-temperature fan 14 arranged on the mounting bracket 13, an air opening is formed in the barrel wall of the outer charging barrel 11, the electric heating ring heats the outer charging barrel 11, heat is transferred through the barrel wall of the outer charging barrel 11, an air outlet of the high-temperature fan 14 faces the inner charging barrel 12, the high-temperature fan 14 pumps hot air formed when the electric heating ring heats the inner charging barrel into the cavity, and the other part of hot air comprises a heat source formed when the barrel wall of the outer charging barrel 11 heats the air in the cavity when the electric heating ring heats the outer charging barrel 11;

the intelligent temperature control system comprises a plurality of heating blocks arranged on the outer side wall of the inner charging barrel 12 and a temperature controller 16 arranged on the side edge of the mounting bracket 13, the plurality of heating blocks are respectively arranged in the space between two adjacent high-temperature fans 14, the heating blocks are independently arranged and are independently controlled by the corresponding temperature controller 16, and the heating temperature of each heating block to the inner charging barrel 12 is different, so that the inner charging barrel 12 forms a multi-section heating section;

the side of the charging barrel 1 is also provided with a movable temperature detector 24, the temperature detector 24 is in signal connection with the temperature controller 16, and the temperature controller 16 is in control connection with the heating block.

Thermodetector 24 is connected with moving mechanism, moving mechanism includes linear guide 21, slider 22, drive assembly and mounting panel 23, drive assembly is connected with slider 22 and drives slider 22 and slide along linear guide 21's direction, mounting panel 23 and slider 22 fixed connection, thermodetector 24 locates on the terminal surface of mounting panel 23 simultaneously.

The front end of feed cylinder 1 is equipped with screw feeder 4 and hopper 2, screw feeder 4's discharge gate is relative with feed inlet position of feed cylinder 1, and screw feeder 4's side is equipped with the granule simultaneously and inhales material pump 3, the granule is inhaled material pump 3 and is connected with discharging pipe 32, be equipped with solid particle flowmeter 31 on the discharging pipe 32, screw feeder 4 connects the power controller rather than control connection, solid particle flowmeter 31 and power controller signal connection.

The solid particle flow rate 31 meter is in signal connection with a plurality of temperature controllers 16 respectively.

The inner surfaces of the outer charging barrel 11 and the inner charging barrel 12 are sprayed with heat preservation and insulation coatings 15.

By arranging the preheating system and the intelligent temperature control system, the effect of rapid temperature rise is realized, the feeding speed can be properly adjusted according to the quantity of materials, the solid particle flow meter feeds back the result of detecting the materials through the discharge pipe to the power controller, the turnover efficiency of the spiral feeder is higher when the material discharging quantity is large, otherwise, the solid particle flow meter is also in signal connection with the electric heating coil and the heating block, when the solid particle flow meter detects that the raw materials pass through, the electric heating coil is started to realize the preheating effect, meanwhile, the wall of the outer charging barrel is provided with an air port, the electric heating coil heats the outer charging barrel, the heat is transferred through the wall of the outer charging barrel, the air outlet of the high-temperature fan faces the inner charging barrel, the high-temperature fan sucks hot air formed when the electric heating coil heats the cavity, and the other part of the hot air comprises a heat source formed when the electric heating coil heats the air in the cavity by the wall of the outer charging barrel, thereby accelerate the temperature lifting speed of interior feed cylinder, a plurality of heating blocks are located respectively among the interval of two adjacent high temperature fans, the while heating block independent setting, receive corresponding temperature controller control alone, the heating temperature of every heating block internal feed cylinder is different, consequently, interior feed cylinder has formed the multistage heating section, and the side of feed cylinder still is equipped with mobilizable thermodetector, when thermodetector removes wind gap position department, the section of thick bamboo wall temperature of feed cylinder in surveying through infrared detection mode, and with this result feedback to the corresponding position on the temperature controller, and then realize the effect of multistage temperature.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.