CN-122008508-A - Ultra-large injection molding machine with double-motor oil-liquid cooling structure

CN122008508ACN 122008508 ACN122008508 ACN 122008508ACN-122008508-A

Abstract

The invention discloses an ultra-large injection molding machine with a double-motor oil liquid cooling structure, which comprises an injection molding machine main body and a liquid cooling assembly, wherein the injection molding machine main body comprises a motor main body and a hydraulic system, a heat dissipation shell is arranged on the outer side of the motor main body, the liquid cooling assembly comprises a shell, an input pipe, a flow guide pipe, a first transfer partition ring and a second transfer partition ring, an annular cavity is formed between the shell and the heat dissipation shell, the annular cavity is sequentially divided into an inflow cavity, a cooling cavity and an outflow cavity by the first transfer partition ring and the second transfer partition ring together, an oil outlet pipeline, the inflow cavity, the input pipe and the flow guide pipe of the hydraulic system are sequentially communicated, the cooling cavity, the outflow cavity and an oil return pipeline of the hydraulic system are sequentially communicated, and an elongated flow guide groove is formed in the flow guide pipe. Through this hydraulic system drive hydraulic oil of injection molding machine with appropriate velocity of flow annular cavity, the hydraulic oil of flow in the annular cavity carries out the cooling to the shell that looses continuously to the motor body carries out the cooling continuously.

Inventors

YUAN ZHONGHUA
Liu Pingding
ZHU KANGJIAN
SUN XIAOBO
GUO BAOFU
HUANG GUOLIANG
YANG GUANFU
Lai Jinchuan
HE ZHIYAN

Assignees

博创智能装备股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260327

Claims (9)

1. The ultra-large injection molding machine with the double-motor oil liquid cooling structure is characterized by comprising an injection molding machine main body and a liquid cooling assembly, wherein the injection molding machine main body comprises a motor body and a hydraulic system, a heat dissipation shell is arranged on the outer side of the motor body, the liquid cooling assembly comprises a shell, an input pipe, a flow guide pipe, a first rotating separation ring and a second rotating separation ring, the shell surrounds the outer side of the heat dissipation shell, an annular cavity is formed between the shell and the heat dissipation shell, the first rotating separation ring and the second rotating separation ring can be rotatably arranged in the annular cavity around the motor body, the annular cavity is sequentially divided into an inflow cavity, a cooling cavity and an outflow cavity by the first rotating separation ring and the second rotating separation ring, an oil outlet pipeline, the inflow cavity, the input pipe and the flow guide pipe of the hydraulic system are sequentially communicated, an elongated flow guide groove is formed in the flow guide pipe, the flow guide pipe is communicated with the cooling cavity by the elongated flow guide groove, the heat dissipation shell is positioned on one side of the elongated flow guide groove, the heat dissipation shell can be rotatably arranged in the annular cavity around the motor body, the first rotating separation ring and the second rotating separation ring can be sequentially communicated with the cooling cavity by the oil liquid return pipeline, and the hydraulic system is sequentially arranged in the cooling cavity after the cooling cavity is sequentially discharged by the cooling cavity.
2. The ultra-large injection molding machine with the double-motor oil liquid cooling structure according to claim 1, wherein the liquid cooling assembly further comprises a discharge valve, the second rotating partition ring is provided with the discharge valve, the discharge valve is a one-way valve, an inlet end of the discharge valve is communicated with the cooling cavity, an outlet end of the discharge valve is communicated with the outflow cavity, and the cooling cavity, the discharge valve, the outflow cavity and an oil return pipeline of the hydraulic system are sequentially communicated.
3. The oversized injection molding machine with the double-motor oil-liquid cooling structure of claim 2, wherein one end of the input pipe is fixedly connected with the first rotating spacer ring, the other end of the input pipe is fixedly connected with the second rotating spacer ring, and one end of the input pipe fixedly connected with the second rotating spacer ring is a closed end.
4. The ultra-large injection molding machine with the double-motor oil liquid cooling structure according to claim 3, further comprising a rotating assembly, wherein the rotating assembly comprises a driven gear, a connecting rod, a transmission gear and a servo motor, the driven gear is meshed with the transmission gear and is in transmission connection with the transmission gear, an output shaft of the servo motor is fixedly connected with the transmission gear, at least one end of the connecting rod is fixedly connected to the driven gear, and at least one other end of the connecting rod is fixedly connected with the second rotating spacer ring.
5. The ultra-large injection molding machine with the double-motor oil liquid cooling structure according to claim 4 is characterized by comprising two motor bodies and two liquid cooling assemblies, wherein the motor bodies and the liquid cooling assemblies are in one-to-one correspondence, the rotating assemblies further comprise a closed shell, one side of each of the two shells is fixedly connected with the closed shell, each of the two second rotating separation rings is fixedly connected with one driven gear through the connecting rod, the two driven gears are meshed with the transmission gears at the same time and are in transmission connection, and the driven gears and the transmission gears are located in the closed shell.
6. The ultra-large injection molding machine with the double-motor oil-liquid cooling structure according to claim 1, wherein the liquid cooling assembly further comprises an auxiliary inlet valve, the auxiliary inlet valve is arranged on the first partition ring and is a differential pressure valve, an oil inlet of the auxiliary inlet valve is communicated with the inflow cavity, and an oil outlet of the auxiliary inlet valve is communicated with the cooling cavity.
7. The ultra-large injection molding machine with the double-motor oil-liquid cooling structure according to claim 2, wherein a plurality of guide pipes are arranged, and in the rotation process of the plurality of guide pipes, the rotation travel track of the slender guide grooves can cover the outer side of the heat dissipation shell.
8. The oversized injection molding machine with the double-motor oil-liquid cooling structure of claim 7, wherein the number of the discharge valves is equal to the number of the guide pipes, and the discharge valves and the guide pipes are uniformly arranged at intervals in the circumferential direction around the heat-dissipating shell.
9. The oversized injection molding machine of claim 5 wherein the rotating assembly further comprises a spacer ring, the spacer ring being rotatably disposed on both sides of the two housings adjacent the containment vessel, the spacer ring separating the interior cavity of the containment vessel from the outflow cavity in the housing.

Description

Ultra-large injection molding machine with double-motor oil-liquid cooling structure Technical Field The invention relates to an ultra-large injection molding machine, in particular to an ultra-large injection molding machine with a double-motor oil liquid cooling structure. Background In the ultra-large injection molding machine, an ultra-large motor is usually adopted as a driving piece of an injection screw, the adopted ultra-large motor is required to meet the requirements of large torque, high motor rotating speed and large power, the motor is usually air-cooled or water-cooled, the air-cooled motor has the defects of large noise and large size, the water-cooled motor has the defects of easy scale formation, reduced cooling capacity and even blockage caused by the influence of water quality, the motor can be driven in parallel through double motors in order to meet the torque requirement, the installation space of a cooling device of the motor is more limited, the existing part of the ultra-large injection molding machine also has an additional liquid cooling structure on the motor to dissipate heat of the motor, but the motor is required to be additionally designed with cooling liquid, and the structure is complex, so that the energy-saving and environment-friendly effects are not achieved. There is also a small amount of hydraulic oil that adopts hydraulic system's hydraulic pressure fluid to cool off super large motor's solution in the super large injection molding machine, but hydraulic oil very easily adheres to in heat radiation structure, leads to under the continuous running state, and hydraulic oil unable high-efficient heat dissipation to the motor, and the easy too high temperature of the hydraulic oil of adhering to leads to hydraulic oil rotten, even causes the influence to injection molding machine's hydraulic system. Disclosure of Invention In order to overcome the defects of the prior art, the invention aims to provide an ultra-large injection molding machine with a double-motor oil liquid cooling structure, and solves the problems that the existing ultra-large injection molding machine cooling structure is large in noise, easy to form scale, large in occupied installation space and incapable of continuously and effectively radiating the motor by utilizing hydraulic oil. The ultra-large injection molding machine comprises an injection molding machine body and a liquid cooling assembly, wherein the injection molding machine body comprises a motor body and a hydraulic system, a heat dissipation shell is arranged on the outer side of the motor body, the liquid cooling assembly comprises a shell, an input pipe, a flow guide pipe, a first rotating partition ring and a second rotating partition ring, the shell surrounds the outer side of the heat dissipation shell, an annular cavity is formed between the shell and the heat dissipation shell, the first rotating partition ring and the second rotating partition ring are arranged in the annular cavity in a rotating mode around the motor body, the first rotating partition ring and the second rotating partition ring jointly divide the annular cavity into an inflow cavity, a cooling cavity and an outflow cavity in sequence, an oil outlet pipeline, the inflow cavity, the input pipe and the flow guide pipe of the hydraulic system are sequentially communicated, the flow guide pipe is provided with an elongated flow guide groove, the heat dissipation shell is arranged on one side of the elongated flow guide groove through the elongated flow guide groove, a gap for the hydraulic oil to flow out is formed between the heat dissipation shell and the elongated flow guide groove, the hydraulic oil is enabled to be in contact with the heat dissipation shell after being discharged through the elongated flow guide groove, the cooling cavity, the outflow cavity and the oil return pipeline of the hydraulic system is sequentially communicated with the cooling cavity, the flow guide pipe is arranged in the cooling cavity and the hydraulic system is arranged outside the cooling cavity is arranged on the outer side of the heat dissipation shell. The liquid cooling assembly further comprises a discharge valve, the second rotating partition ring is provided with the discharge valve, the discharge valve is a one-way valve, the inlet end of the discharge valve is communicated with the cooling cavity, the outlet end of the discharge valve is communicated with the outflow cavity, and the cooling cavity, the discharge valve, the outflow cavity and an oil return pipeline of the hydraulic system are sequentially communicated. Preferably, one end of the input pipe is fixedly connected with the first rotating spacing ring, the other end of the input pipe is fixedly connected with the second rotating spacing ring, and one end of the input pipe fixedly connected with the second rotating spacing ring is a closed end. The ultra-large injection molding machine with the double-motor o