CN216127635U

CN216127635U - Injection molding device capable of adjusting feeding speed

Info

Publication number: CN216127635U
Application number: CN202121145649.4U
Authority: CN
Inventors: 王一叶; 李小彬; 张平俊
Original assignee: Meishan Baosu Plastic Industry Co ltd
Current assignee: Meishan Baosu Plastic Industry Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-03-25
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses an injection molding device capable of adjusting a feeding speed, which comprises an injection device (1), a film combining device (2) and a control system, wherein the injection device comprises a feeding device body and a feeding device body; the injection device (1) comprises an injection machine barrel (3), a main hopper (4), a screw (5) and a motor (6); a filling hopper (8) is arranged in the main hopper (4); an auxiliary material flow regulating valve (9) is arranged in the filling hopper (8); the injection device (1) is connected with the film combining device (2) through an injection port; the injection device (1) is electrically connected with the control system. According to the utility model, the filling hopper (8) capable of adjusting the feeding speed is arranged in the injection molding machine, and the feeding speed of the filling hopper (9) is controlled by the control system, so that the control is convenient and fast; the materials are mixed at the bottom of the hopper, so that the deflection phenomenon of the materials in the falling process caused by different specific gravity and granularity of the materials is overcome, and the consistency of the internal quality and the appearance color of the product is ensured; the integral integration of the injection molding device is better, and the operation management is facilitated.

Description

Injection molding device capable of adjusting feeding speed

Technical Field

The utility model relates to the technical field of injection molding machines, in particular to an injection molding device capable of adjusting a feeding speed.

Background

An injection molding machine is also known as an injection molding machine or an injection machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. The device is divided into a vertical type, a horizontal type and a full-electric type. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity. The injection molding machine is a processing machine with the largest use amount in the plastic processing industry, and not only a large number of products can be directly produced by the injection molding machine, but also key equipment for forming an injection stretch blow process is formed. China has become the first major country for producing plastic machine parts in the world, and the reason for promoting the development of equipment manufacturing industry of Chinese injection molding machines is that: the method has the advantages that firstly, joint ventures and technical cooperation are carried out with international famous enterprises; secondly, China enterprises gradually adapt to the international acquisition mode of mechanical parts and grasp acquisition channels. Meanwhile, the production of Chinese injection molding machines also presents strong local features, and Ningbo in Zhejiang and Dongguan in Guangdong have become important injection molding machine production bases in China and even globally.

However, in the existing injection molding machine products, the injection molding machine needs to control the amount of materials when in use, the blanking speed of the materials needs to be adjusted constantly when in injection molding, but the existing injection molding machine directly adds the materials into the hopper when in use, so that the effect of adjusting the blanking speed of the materials is not achieved, the materials cannot be equally blanked when in blanking, and the use efficiency of the blanking hopper is greatly reduced.

A novel injection molding machine is disclosed in utility model with patent number CN207465716U, which fails to realize the function of adjustable blanking speed.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an injection molding device capable of adjusting the feeding speed, wherein a filling hopper capable of adjusting the feeding speed is arranged in an injection molding machine, the feeding speed of the filling hopper is controlled by a control system, and the control is convenient and quick; the materials are mixed at the bottom of the hopper, so that the deflection phenomenon of the materials in the falling process caused by different specific gravity and granularity of the materials is overcome, and the consistency of the internal quality and the appearance color of the product is ensured; the integral integration of the injection molding device is better, and the operation management is facilitated.

In order to achieve the purpose, the utility model provides an injection molding device capable of adjusting a feeding speed, which comprises an injection device, a film combining device and a control system; the injection device comprises an injection machine barrel, a main hopper, a screw and a motor; the main hopper is arranged above the injection machine barrel; the screw is arranged in the injection machine barrel; the screw rod is connected with a motor through a coupler; the motor is arranged outside the injection machine barrel; a filling hopper is arranged in the main hopper; an auxiliary material flow regulating valve is arranged in the filling hopper; the injection device is connected with the film combining device through an injection port; the injection device is electrically connected with the control system.

Preferably, a stirring device is arranged at the discharge outlet of the main hopper.

Preferably, the stirring device is a mini-stirrer.

Preferably, the outer walls of the two sides of the injection machine barrel are provided with a plurality of heaters.

Preferably, the heater and the auxiliary material flow regulating valve are electrically connected with the control system.

Preferably, a non-return ring is arranged in the injection machine barrel; the non-return ring is arranged at the end part of the working end of the screw rod.

Preferably, a flow sensor electrically connected with a control system is arranged in the filling hopper.

The beneficial effects of the utility model specifically comprise:

the feeding speed of the filling hopper is controlled by a control system through arranging the filling hopper capable of adjusting the feeding speed in the injection molding machine, so that the control is convenient and quick;

secondly, materials are mixed at the bottom of the hopper, so that the deflection phenomenon of the materials in the falling process caused by different specific gravity and granularity of the materials is overcome, and the consistency of the internal quality and the appearance color of the product is ensured;

thirdly, the auxiliary material flow regulating valve is interlocked with the power of the heater, so that the heating temperature is adaptive to the combination ratio of the raw materials, the energy saving effect is achieved, the energy required by injection molding and heating after interlocking is balanced, the melting state of the materials is consistent, the injection molding speed is matched with the economy, and the high efficiency and low cost operation of the injection molding machine are ensured;

and (IV) the integral integration of the injection molding device is better, and the operation management is facilitated.

Drawings

FIG. 1 is a schematic structural diagram of an injection molding apparatus with adjustable feeding speed according to the present invention.

The reference numbers illustrate:

the device comprises an injection device 1, a film combining device 2, an injection machine barrel 3, a main hopper 4, a screw rod 5, a motor 6, a coupler 7, a filling hopper 8, an auxiliary material flow regulating valve 9, a stirring device 10, a heater 11, a check ring 12 and a flow sensor 13.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The utility model provides an embodiment, and referring to fig. 1, fig. 1 is a schematic structural diagram of an injection molding device capable of adjusting a feeding speed.

As shown in fig. 1, in this embodiment, an injection molding apparatus capable of adjusting a feeding speed mainly includes an injection apparatus 1, a film combining apparatus 2, an injection cylinder 3, a main hopper 4, a screw 5, a motor 6, a coupling 7, a filling hopper 8, an auxiliary material flow regulating valve 9, a stirring apparatus 10, a heater 11, a check ring 12, and a flow sensor 13.

In the present embodiment, the injection device 1 includes an injection cylinder 3, a main hopper 4, a screw 5, and a motor 6; the main hopper 4 is arranged above the injection machine barrel 3; the screw 5 is arranged inside the injection machine barrel 3; the screw 5 is connected with a motor 6 through a coupling 7; the motor 6 is arranged outside the injection machine barrel 3; a filling hopper 8 is arranged in the main hopper 4; an auxiliary material flow regulating valve 9 is arranged in the filling hopper 8; the injection device 1 is connected with the film combining device 2 through an injection port; the injection device 1 is electrically connected to the control system.

Further, a stirring device 10 is arranged at the discharge outlet of the main hopper 4; in this embodiment, the stirring device 10 is selected as a small mixer, and the stirring device 10 is activated to assist in mixing the materials during the injection molding process if necessary to ensure uniform mixing.

Further, a plurality of heaters 11 are arranged on the outer walls of two sides of the injection machine barrel 3, and are used for heating the injection device 1 in the injection molding process; the heater 11 and the auxiliary material flow regulating valve 9 are both in electric control connection with the control system, the auxiliary material flow regulating valve 9 and the heater 11 are in power interlocking, so that the heating temperature is adaptive to the raw material combination ratio, the energy-saving effect is achieved, the energy required by injection molding and heating after interlocking is balanced, the melting state of materials is consistent, the injection molding speed and the economy are matched, and the high efficiency and the low cost operation of the injection molding machine are ensured.

Further, a non-return ring 12 is arranged in the injection machine barrel 3; the non-return ring 12 is arranged at the end part of the working end of the screw 5 to prevent the material mixing in the injection device 1 from reversing in the injection molding process.

Further, a flow sensor 13 electrically connected with the control system is arranged in the filling hopper 8, and the material flow in the filling hopper 8 is fed back to the control system in the injection molding process, so that real-time monitoring is realized.

The working principle is as follows: the material mixed in the main hopper 4 is dragged into the heating cavity through the screw 5 and heated to the temperature required by injection molding, the melted material is extruded from the injection molding port and enters the film combining device 2 for molding and cooling, then the demolding mechanism acts to complete demolding, the product is taken out and injection molding is completed, the next injection molding is repeated, and the whole injection molding process is automatically controlled by the control system.

Claims

1. An injection molding device capable of adjusting a feeding speed is characterized by comprising an injection device (1), a film combining device (2) and a control system; the injection device (1) comprises an injection machine barrel (3), a main hopper (4), a screw (5) and a motor (6); the main hopper (4) is arranged above the injection machine barrel (3); the screw (5) is arranged inside the injection machine barrel (3); the screw (5) is connected with a motor (6) through a coupler (7); the motor (6) is arranged outside the injection machine barrel (3); a filling hopper (8) is arranged in the main hopper (4); an auxiliary material flow regulating valve (9) is arranged in the filling hopper (8); the injection device (1) is connected with the film combining device (2) through an injection port; the injection device (1) is electrically connected with a control system.

2. An injection moulding apparatus with adjustable feed rate according to claim 1, characterised in that the outlet of the main hopper (4) is provided with a stirring device (10).

3. An adjustable feed rate injection molding apparatus as claimed in claim 2, wherein said agitator means (10) is a mini-mixer.

4. An injection molding apparatus with adjustable feed rate as claimed in claim 1, wherein the outer walls of both sides of said injection cylinder (3) are provided with a plurality of heaters (11).

5. An injection moulding device with adjustable feed rate according to claim 4, characterised in that the heater (11) and the auxiliary material flow regulating valve (9) are electrically connected to a control system.

6. An injection moulding device with adjustable feed rate according to claim 1, characterized in that a non-return ring (12) is provided in the injection cylinder (3); the non-return ring (12) is arranged at the end part of the working end of the screw rod (5).

7. An injection moulding device with adjustable feed rate according to claim 1, characterised in that a flow sensor (13) is provided in the filling hopper (8) which is electrically connected to a control system.