A mold replacement method that can contribute to simplification of unloading a fixed mold and a movable mold when the fixed mold and the movable mold are replaced. A mold replacement method includes coupling a fixed mold to a movable mold in a vertically divided molding machine, releasing a coupled state between the movable mold and a movable mold equipment base, rotating the fixed mold and the movable mold by a rotating mechanism for rotating a fixed mold equipment base, and disposing the movable mold above the fixed mold, releasing the coupled state between the fixed mold and the fixed mold equipment base, and unloading the fixed mold and movable mold from a fixed mold equipment base while a protrusion protruding outward from the movable mold is being supported by a fork of a lifting and lowering device.

A resin fan includes a semi-molded article in which a first circular plate and blades are integrated. While the semi-molded article is retained, a composite mold is moved to a secondary molding side, a second mold is put in a first position and a third mold is moved to the first position and inserted into the first mold. An intermediate part extends over the inner surface-side of a large-bend part, and causes the end of the third mold to engage with the first mold. Next, resin is poured into a secondary forming mold, and a second circular plate is integrally molded continuous with the blades of the semi-molded article, and a fan is molded. Together with the opening of the second mold and the composite mold, the third mold and the composite mold are opened, each of the molds is moved to a second position.

A method including a first step of performing clamping of a mold, injection and dwelling in an injection molding machine, a second step of performing a conveyance and a cooling of the mold outside of the machine, and a third step of performing a conveyance of the mold into the machine, an opening of the mold and an ejection of a molded part in the machine. The second step is performed for a first mold, the third step and the next first step are performed for a second mold. The first mold is conveyed by a first conveyance apparatus which is arranged on one lateral side of the machine. The second mold is conveyed by a second conveyance apparatus which is arranged on the other lateral side and is independently driven from the first conveyance apparatus.

An injection molding apparatus includes: a first mounting block configured such that a fixed mold is able to be mounted thereon; a second mounting block configured such that a movable mold facing the fixed mold is able to be mounted thereon, provided with a first through hole through which a first diver is inserted, and configured to move back and forth with respect to the first mounting block along the first diver; and an injection unit configured to inject a molten material into a cavity defined by the fixed mold and the movable mold. In a state where the movable mold is mounted on the second mounting block, the second mounting block includes, between the movable mold and the first through hole, a heat conduction prevention portion configured to prevent conduction of heat from the movable mold.

An injection molding system including an injection molding apparatus and a conveying apparatus for conveying a mold with respect to the injection molding machine, the conveying apparatus including a support member for supporting a bottom of the mold, and a guide member located on a side of the mold for guiding the mold conveyed by the conveying apparatus, wherein the improvement to the conveying apparatus includes an adjustment member for adjusting a position of the guide member in a direction intersecting a direction of conveyance of the mold by the conveying apparatus independently from a position of the supporting member.

An injection molding system including an injection molding machine including at least one opening on each of a first side surface and a second side surface for conveying at least one mold, wherein the improvement to the injection molding system includes at least one actuator for conveying at least three different molds through at least one of the at least one openings, and at least one guiding element for guiding at least one cable connected to a first mold located between at least two other molds to a location external to the injection molding machine via an opening of the injection molding machine.

Provided is a manufacturing device for a rotor core and a manufacturing method for a rotor core in which it is possible to suitably fit a columnar core rod into a center hole of a laminated iron core, when fitting and installing the laminated iron core into a fitting recess of a first mold. A device for manufacturing a rotor core includes: a first mold; a second mold that engages with the first mold and clamps and seals the laminated iron core together with the first mold; a resin injection unit that is provided to the second mold and injects a resin material in the magnet insertion hole by using a molding machine; and a guide plate that has a through hole into which the core rod is inserted and is mounted at one end of the laminated iron core in such a manner that the through hole is in communication with the center hole of the laminated iron core, in which the guide plate has an opening diameter of the through hole on one surface side of one end side of the laminated iron core that is substantially the same as an opening diameter of the center hole, and an opening diameter of the through hole on the other side on the side of the first mold is larger than an opening diameter on the one surface side.

An optical fiber mold device has a first portion that includes a base layer having a longitudinal feature configured to receive an optical fiber. At least one second portion is disposed over the base layer. The second portion has a center wall and front and back end walls. The center wall, the front end wall, and the back end wall form a mold cavity. At least one first hole is disposed in the mold cavity and is configured to allow mold material to enter the mold cavity. At least one second hole in the mold cavity is configured to allow air displaced by the mold material to exit the mold cavity.

Provided is a magnetic clamp device that can be easily made into a state where a fall prevention function can be exerted when attaching adsorption objects.

A support member (20) is protruded horizontally from an upper part of a magnetic plate (7) of the magnetic clamp device. A protruding member (28) is protruded upward from a mold as an adsorption object that is adsorbed and fixed to an adsorption surface (8) of the magnetic plate (7). The mold (9) is arranged so that the engagement portion (32) faces the locking portion (27) with a predetermined gap above the locking portion (27) in a state where the mold (9) is adsorbed and fixed at a predetermined position on the adsorption surface (8).

An injection molding system and method that injects resin into a mold and conveys at least one mold, wherein the improvement to the injection molding system and method includes driving a support member that supports the mold, wherein the mold is conveyed based on a movement of the support member between a first position where the injection nozzle injects the resin into the mold and second position different from the first position.