阅读说明：本技术 一种调制环注塑成型装置及方法 (Modulation ring injection molding device and method ) 是由 邵继锋 王向东 于 2019-11-15 设计创作，主要内容包括：本发明公开了一种调制环注塑成型装置及方法,装置包括搅拌总成、气体压缩机、注塑腔、上端环、下端环、加热总成,气体压缩机的气体管道与搅拌总成的进气口相连,搅拌总成通过物料管道与下端环的浇口相连,物料管道上设置有阀门,上端环和下端环分别同心固定于调制环的上、下端面,且上端环的上流道和下端环的下流道均与调制环的注塑孔相连通,上端环、调制环和下端环均位于注塑腔中；加热总成位于搅拌总成、物料管道和注塑腔的下方,对搅拌总成、物料管道和注塑腔进行加热。本结构和方法利用高压气体推动物料填充调制环的注塑孔,完成非导体材料的装配,提高了填充质量,通用性强,生产效率高。(The invention discloses a modulation ring injection molding device and a modulation ring injection molding method, wherein the device comprises a stirring assembly, a gas compressor, an injection molding cavity, an upper end ring, a lower end ring and a heating assembly, a gas pipeline of the gas compressor is connected with a gas inlet of the stirring assembly, the stirring assembly is connected with a sprue of the lower end ring through a material pipeline, a valve is arranged on the material pipeline, the upper end ring and the lower end ring are respectively and concentrically fixed on the upper end surface and the lower end surface of the modulation ring, an upper flow channel of the upper end ring and a lower flow channel of the lower end ring are communicated with an injection molding hole of the modulation ring, and the upper end ring, the modulation ring and the lower end; the heating assembly is positioned below the stirring assembly, the material pipeline and the injection molding cavity and used for heating the stirring assembly, the material pipeline and the injection molding cavity. The structure and the method utilize high-pressure gas to push the material to fill the injection molding hole of the modulation ring, so as to complete the assembly of the non-conductor material, improve the filling quality, and have strong universality and high production efficiency.)

1. The modulation ring injection molding device comprises a stirring assembly (1), a gas compressor (2), an injection molding cavity (3), an upper end ring (4), a lower end ring (5) and a heating assembly (6), and is characterized in that a gas pipeline (7) of the gas compressor (2) is connected with a gas inlet (8) of the stirring assembly (1); an air hole (4-1) and an upper flow channel (4-2) are arranged on the upper end ring (4), and the air hole (4-1) is communicated with the upper flow channel (4-2); a sprue (5-1) and a lower runner (5-2) are arranged on the lower end ring (5), and the sprue (5-1) is arranged on the circumferential surface of the lower end ring (5) and communicated with the lower runner (5-2); the stirring assembly (1) is connected with a pouring gate (5-1) of the lower end ring (5) through a material pipeline (9), and a valve (10) is arranged on the material pipeline (9); the upper end ring (4) is concentrically fixed on the upper end face of the modulation ring (11), an upper runner (4-2) is communicated with an injection molding hole (11-1) of the modulation ring (11), the lower end ring (5) is concentrically fixed on the lower end face of the modulation ring (11), a lower runner (5-2) is communicated with the injection molding hole (11-1) of the modulation ring (11), and the upper end ring (4), the modulation ring (11) and the lower end ring (5) are all located in the injection molding cavity (3); the heating assembly (6) is positioned below the stirring assembly (1), the material pipeline (9) and the injection molding cavity (3) and comprises a first heater (6-1) and a second heater (6-2), the first heater (6-1) heats the stirring assembly (1) and the material pipeline (9), and the second heater (6-2) heats the injection molding cavity (3).

2. A method of injection molding a brew ring as defined in claim 1, including the steps of:

(a) fixing an upper end ring (4), a modulation ring (11) and a lower end ring (5), placing the fixed upper end ring, the modulation ring and the lower end ring into an injection molding cavity (3), and communicating a material pipeline (9) with a pouring gate (5-1);

(b) starting the stirring assembly (1) to uniformly stir the materials, and simultaneously starting the heating assembly (6) to heat the materials to keep the materials in a molten state;

(c) closing the stirring assembly (1), starting the gas compressor (2), opening the gas inlet (8), outputting high-pressure gas into the stirring assembly (1), and opening the valve (10) to enable the material to flow into the material pipeline (9), the pouring gate (5-1), the lower runner (5-2), the injection molding hole (11-1) and the upper runner (5-1) in sequence under the pushing of the high-pressure gas;

(d) when the material flows out of each air hole (4-1), closing the valve (10) and closing the gas compressor (2);

(e) the second heater (6-2) is closed, so that the material in the injection molding cavity (3) is cooled and solidified;

(f) and after cooling, taking the upper end ring (4), the modulation ring (11) and the lower end ring (5) out of the injection molding cavity (3), and separating the upper end ring (4), the modulation ring (11) and the lower end ring (5) to complete injection molding of the modulation ring (11).

3. A brew ring injection molding apparatus as recited in claim 1, wherein: the stirring assembly (1) comprises a motor (1-1), a speed reducer (1-2), an end cover (1-3), a stirring shaft (1-4) and a shell (1-5), wherein the motor (1-1) and the speed reducer (1-2) are arranged on the end cover (1-3) and drive the stirring shaft (1-4) positioned in the shell (1-5) to rotate; the air inlet (8) is also arranged on the end cover (1-3).

4. A brew ring injection molding apparatus as recited in claim 1, wherein: the injection molding cavity (3) is provided with an observation cover plate (12), and the observation cover plate (12) is made of transparent materials.

Technical Field

The invention relates to the field of injection molding devices, in particular to an injection molding device and method for a modulation ring.

Background

The modulation ring is a core component in a permanent magnet gear and a permanent magnet composite motor based on a magnetic field modulation principle, and has wide application prospects in the fields of wind power generation, air cooling islands, belt conveyors, electric vehicles and the like. The modulation ring is formed by arranging magnetic conductive materials and non-magnetic conductive materials at intervals, has simple structure and higher requirements on strength and precision. The existing modulating ring magnetic conductive material part is formed by superposing silicon steel sheets, the non-magnetic conductive material part is assembled by manually filling epoxy glue, bubbles exist, the strength and the precision of the modulating ring are influenced, the production efficiency is low, and the market demand cannot be met.

Disclosure of Invention

The invention aims to provide a modulation ring injection molding device aiming at the problems in the prior art, which solves the problems of complex assembly process, low precision and poor rigidity of the non-magnetic permeability material of the prior modulation ring and provides the modulation ring injection molding device with simple operation and high assembly precision.

The invention aims to solve the problems by the following technical scheme:

a modulation ring injection molding device comprises a stirring assembly, a gas compressor, an injection molding cavity, an upper end ring, a lower end ring and a heating assembly, and is characterized in that a gas pipeline of the gas compressor is connected with a gas inlet of the stirring assembly; the stirring assembly is connected with a pouring gate of the lower end ring through a material pipeline, and a valve is arranged on the material pipeline; an air hole and an upper flow channel are arranged on the upper end ring, and the air hole is communicated with the upper flow channel; the lower end ring is provided with a sprue and a lower flow passage, and the sprue is arranged on the circumferential surface of the lower end ring and communicated with the lower flow passage; the upper end ring is concentrically fixed on the upper end surface of the modulation ring, the upper runner is communicated with an injection molding hole of the modulation ring, the lower end ring is concentrically fixed on the lower end surface of the modulation ring, the lower runner is communicated with the injection molding hole of the modulation ring, and the upper end ring, the modulation ring and the lower end ring are all positioned in an injection molding cavity; the heating assembly is located below the stirring assembly, the material pipeline and the injection molding cavity and comprises a first heater and a second heater, the first heater heats the stirring assembly and the material pipeline, and the second heater heats the injection molding cavity.

A modulation ring injection molding method comprises the following steps:

(a) fixing an upper end ring, a modulation ring and a lower end ring, placing the fixed upper end ring, the modulation ring and the lower end ring into an injection molding cavity, and communicating a material pipeline with a pouring gate;

(b) starting the stirring assembly to uniformly stir the materials, and simultaneously starting the heating assembly to heat the materials to keep the materials in a molten state;

(c) closing the stirring assembly, starting the gas compressor, opening the gas inlet, outputting high-pressure gas into the stirring assembly, and opening the valve to enable the material to sequentially flow into the material pipeline, the pouring gate, the lower flow channel, the injection molding hole and the upper flow channel under the pushing of the high-pressure gas;

(d) when the material flows out of each air hole, closing the valve and closing the gas compressor;

(e) closing the second heater to cool and solidify the material in the injection molding cavity;

(f) and after cooling, taking the upper end ring, the modulation ring and the lower end ring out of the injection molding cavity, and separating the upper end ring, the modulation ring and the lower end ring to complete injection molding of the modulation ring.

The stirring assembly comprises a motor, a speed reducer, an end cover, a stirring shaft and a shell, wherein the motor and the speed reducer are arranged on the end cover and drive the stirring shaft in the shell to rotate; an air inlet is also provided on the end cap.

The injection molding cavity is provided with an observation cover plate which is made of transparent material.

Compared with the prior art, the invention has the following advantages:

aiming at the structure that the modulation ring has more injection molding holes and the injection molding holes are not communicated, materials are conveyed through high-pressure gas, air holes in the materials are avoided, the materials can enter each injection molding hole of the modulation ring under the action of pressure through the structures of the upper end ring and the lower end ring, the materials are heated by utilizing the heating assembly, the flowability of the materials is ensured, the mold filling effect of the materials is improved, when all the air holes emit the materials, the filling is finished, the cooling stage is carried out, the modulation ring is taken out after the materials are solidified, and the next procedure is carried out. The invention has no requirement on the size of the modulation ring, has strong universality, avoids the problems of air bubbles, low precision and the like caused by manually filling materials, has high production efficiency and is suitable for popularization and use.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a modulation ring injection molding apparatus according to the present invention;

FIG. 2 is a schematic view of the assembly of the upper end ring, the modulating ring and the lower end ring;

FIG. 3 is a schematic diagram of a modulation loop architecture;

wherein: 1, stirring assembly; 1-1 motor; 1-2 speed reducers; 1-3 end caps; 1-4 stirring shaft; 1-5 shells; 2, a gas compressor; 3, an injection molding cavity; 4, an upper end ring; 4-1 pores; 4-2, an upper flow passage; 5 a lower end ring; 5-1 pouring gate; 5-2 lower flow channels; 6, heating the assembly; 6-1 a first heater; 6-2 second heater; 7 a gas pipeline; 8, an air inlet; 9 material pipelines; 10 a valve; 11 a modulation loop; 11-1 injection molding holes; 12 view the cover plate.

Detailed Description

The invention is further described with reference to the following figures and examples.

As shown in fig. 1-3: the utility model provides a modulation ring injection moulding device, includes stirring assembly (1), gas compressor (2), injection molding chamber (3), upper end ring (4), lower extreme ring (5), heating assembly (6). The stirring assembly (1) comprises a motor (1-1), a speed reducer (1-2), an end cover (1-3), a stirring shaft (1-4) and a shell (1-5), wherein the motor (1-1) and the speed reducer (1-2) are installed on the end cover (1-3) and drive the stirring shaft (1-4) located in the shell (1-5) to rotate. The end covers (1-3) are also provided with air inlets (8). A gas pipeline (7) of the gas compressor (2) is connected with a gas inlet (8) of the stirring assembly (1); an air hole (4-1) and an upper flow channel (4-2) are arranged on the upper end ring (4), and the air hole (4-1) is communicated with the upper flow channel (4-2); a sprue (5-1) and a lower runner (5-2) are arranged on the lower end ring (5), and the sprue (5-1) is arranged on the circumferential surface of the lower end ring (5) and communicated with the lower runner (5-2); the stirring assembly (1) is connected with a pouring gate (5-1) of the lower end ring (5) through a material pipeline (9), and a valve (10) is arranged on the material pipeline (9); the upper end ring (4) is concentrically fixed on the upper end face of the modulation ring (11), an upper runner (4-2) is communicated with an injection molding hole (11-1) of the modulation ring (11), the lower end ring (5) is concentrically fixed on the lower end face of the modulation ring (11), a lower runner (5-2) is communicated with the injection molding hole (11-1) of the modulation ring (11), and the upper end ring (4), the modulation ring (11) and the lower end ring (5) are all located in the injection molding cavity (3); the heating assembly (6) is positioned below the stirring assembly (1), the material pipeline (9) and the injection molding cavity (3) and comprises a first heater (6-1) and a second heater (6-2), the first heater (6-1) heats the stirring assembly (1) and the material pipeline (9), and the second heater (6-2) heats the injection molding cavity (3). The injection molding cavity (3) is provided with an observation cover plate (12), and the observation cover plate (12) is made of transparent materials.

A modulation ring injection molding method comprises the following steps:

(a) fixing an upper end ring (4), a modulation ring (11) and a lower end ring (5), placing the fixed upper end ring, the modulation ring and the lower end ring into an injection molding cavity (3), and communicating a material pipeline (9) with a pouring gate (5-1);

(b) starting the stirring assembly (1) to uniformly stir the materials, and simultaneously starting the heating assembly (6) to heat the materials to keep the materials in a molten state;

(c) closing the stirring assembly (1), starting the gas compressor (2), opening the gas inlet (8), outputting high-pressure gas into the stirring assembly (1), and opening the valve (10) to enable the material to flow into the material pipeline (9), the pouring gate (5-1), the lower runner (5-2), the injection molding hole (11-1) and the upper runner (5-1) in sequence under the pushing of the high-pressure gas;

(d) observing the injection molding condition through the observation cover plate (12), and closing the valve (10) and closing the gas compressor (2) after the material flows out of each air hole (4-1);

(e) the second heater (6-2) is closed, so that the material in the injection molding cavity (3) is cooled and solidified;

(f) and after cooling, taking the upper end ring (4), the modulation ring (11) and the lower end ring (5) out of the injection molding cavity (3), and separating the upper end ring (4), the modulation ring (11) and the lower end ring (5) to complete injection molding of the modulation ring (11).

Aiming at the structure that the modulation ring has more injection molding holes and the injection molding holes are not communicated, materials are conveyed through high-pressure gas, air holes in the materials are avoided, the materials can enter each injection molding hole of the modulation ring under the action of pressure through the structures of the upper end ring and the lower end ring, the materials are heated by utilizing the heating assembly, the flowability of the materials is ensured, the mold filling effect of the materials is improved, when all the air holes emit the materials, the filling is finished, the cooling stage is carried out, the modulation ring is taken out after the materials are solidified, and the next procedure is carried out. The invention has no requirement on the size of the modulation ring, has strong universality, avoids the problems of air bubbles, low precision and the like caused by manually filling materials, has high production efficiency and is suitable for popularization and use.

The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical scheme according to the technical idea proposed by the present invention falls within the protection scope of the present invention; the technology not related to the invention can be realized by the prior art.