Actuator for mounting on injection molding machine, actuator cooling device, injection molding machine, and method for using actuator cooling device

A technology of injection molding machine and cooling device, which is applied in the directions of electromechanical devices, electric components, casings/covers/supports, etc., can solve the problems of insufficient cooling of AC servo motors and increased thermal resistance, etc.

Pending Publication Date: 2020-10-09
SUMITOMO HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the liquid cooling of the injection device cover, there is a possibility that the cooling of the AC servo motor becomes insufficient due to an increase in thermal resistance due to an air layer between the injection device cover and the AC servo motor.

Method used

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  • Actuator for mounting on injection molding machine, actuator cooling device, injection molding machine, and method for using actuator cooling device
  • Actuator for mounting on injection molding machine, actuator cooling device, injection molding machine, and method for using actuator cooling device
  • Actuator for mounting on injection molding machine, actuator cooling device, injection molding machine, and method for using actuator cooling device

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Embodiment Construction

[0045] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[0046] (driver)

[0047] Such as figure 1 As shown, 1 in the figure shows the driver mounted on the injection molding machine, and 2 in the figure shows the driver case constituting the exterior of the driver 1 .

[0048] The illustrated driver 1 is taken as an example, such as figure 2As shown in the longitudinal sectional view along the direction of the rotation axis, an AC servomotor or other electric motors are provided. The AC servomotor includes an output shaft 3a, a rotor 3 as a rotor disposed around the output shaft 3a, and a rotor disposed on the rotor. A stator 4 as a fixing member for the coil on the outer peripheral side of 3, and a stator frame 5 on which the stator 4 is mounted and provided on the inner surface Si.

[0049] The driver housing 2 is a frame body including a cylindrical stator frame 5 whose cross-sectional inner and outer contou...

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Abstract

The invention provides an actuator for mounting on injection molding machine, an actuator cooling device, an injection molding machine, and a method for using the actuator cooling device. An actuator(1) for mounting on an injection molding machine includes an actuator case (2) constituting the exterior of the actuator (1) and having an outer surface (Se) provided with a flow path through which acoolant flows, the actuator case (2) has a recessed portion (7) and / or protrusion (27) for a flow path provided as a part of the outer surface (Se) on the outer surface (Se) of the actuator case (2).

Description

technical field [0001] This application claims priority based on Japanese Patent Application No. 2019-064964 filed on March 28, 2019 and Japanese Patent Application No. 2020-015525 filed on January 31, 2020. The entire contents of this Japanese application are incorporated herein by reference. [0002] The present invention relates to a cooling technique for a driver mounted in an injection molding machine. Background technique [0003] Injection molding machines are sometimes used for high-cycle molding in which a series of steps are repeated in a relatively short cycle until a molding material such as a molten resin material is injected into a mold to obtain a molded product. In particular, under such use conditions, electric motors such as metering motors, injection motors, and mold clamping motors mounted on injection molding machines, or other drivers may generate a large amount of heat, and the temperature may rise significantly. [0004] On the other hand, in the dr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/17B29C45/74
CPCB29C45/17B29C45/74B29C2045/1794H02K5/203B29C2045/7271B29C45/72
Inventor 豊岛研人山下幸贵
Owner SUMITOMO HEAVY IND LTD
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