Molding device and system for producing molded article

Patent metadata

Field	Value
Publication number	US-11890802-B2
Application number	US-202017422882-A
Country	US
Kind code	B2
Filing date	Jan 23, 2020
Priority date	Jan 30, 2019
Publication date	Feb 6, 2024
Grant date	Feb 6, 2024

Abstract

A molding apparatus provided with a transfer capable of transferring a heavy-weight mold clamping device. The molding apparatus that molds a molded product, includes: a mold clamping device clamping a parison extruded from an extruder to obtain a molded body, a transfer rail to support the mold clamping device in a transferable manner, and an electric cylinder to transfer the mold clamping device along the transfer rail. The mold clamping device includes first and second platens for holding a die, and a clamping drive unit for driving the first and second platens closer to or separated from each other, the electric cylinder includes a motor having an output shaft and a feed screw mechanism that converts the rotary motion of the output shaft into a linear motion.

First claim

The invention claimed is:

1. A molded product manufacturing system having a blow molding machine, a multi-axis robot, a support frame, and a deburring device, wherein,
a pair of dies of the blow molding machine are arranged so as to open in a first direction substantially parallel to a ground plane,
the multi-axis robot comprises a base portion and a multi-axis arm portion connected to the base portion, and is configured to convey a molded body molded by the blow molding machine by a hand portion mounted on the arm portion,
the support frame has a support surface that supports the base portion, said support surface having a normal defined perpendicular to the support surface,
the deburring device is configured to separate the molded body into a molded main body that will become a molded product and a burr,
the multi-axis robot and the deburring device are arranged at positions displaced from the blow molding machine in a second direction perpendicular to the first direction and a vertical axis,
the multi-axis robot has at least 6 degrees of freedom,
the normal of the support surface and the first direction are in the same direction
the deburring device comprises a pair of abutting members, wherein a size of an opening between the abutting members can be changed, and
the deburring device is configured to separate the burr from the molded main body by colliding the burr with the pair of abutting members while the size of the opening is set so that the molded main body can pass through and the burr collides with the pair of abutting members.

2. The molded product manufacturing system according to claim 1 , wherein the base portion is supported by the support surface above the deburring device.

3. The molded product manufacturing system according claim 1 , wherein the multi-axis robot and the deburring device are arranged along the first direction.

4. The molded product manufacturing system according to claim 3 , wherein a cutting device for cutting the molded main body is further provided, and the multi-axis robot, the deburring device, and the cutting device are arranged along the first direction.

5. The molded product manufacturing system according to claim 1 , wherein the deburring device separates the burr from the molded main body while the multi-axis robot supports the molded body from above.

6. The molded product manufacturing system according to claim 1 , wherein one of the pair of dies has an undercut structure.

7. The molded product manufacturing system according to claim 1 , wherein,
the blow molding machine comprises a resin supply device, first and second mold clamping devices, and a mold clamping device transfer means,
the resin supply device is configured to drop a parison,
the first and second mold clamping device each include the pair of dies,
the mold clamping device transfer means is configured to transfer the first and second mold clamping device in the second direction so that the first and second mold clamping device each can clamp the parison,
two multi-axis robots and two deburring devices are provided, and,
the one multi-axis robot and the one deburring device are provided on one side of the blow molding machine, and the other multi-axis robot and the other deburring device are provided on the other side of the blow molding machine.

Assignees

• Kyoraku Co Ltd
• Sika Machinery Co Ltd

Inventors

• Chang Tzu Chiang
• Ito Shuji

Classifications

• B29C49/5603

  using toggle mechanism · CPC title

• B29C49/04 Primary

  Extrusion blow-moulding · CPC title

• B29C49/72 Primary

  Deflashing outside the mould · CPC title

• B29C31/006

  Handling moulds, e.g. between a mould store and a moulding machine (movable moulds B29C33/34; for injection moulding B29C45/1756) · CPC title

• B29C33/22 Primary

  by rectilinear movement · CPC title