Processing tool and hemming device

Patent metadata

Field	Value
Publication number	US-9925579-B2
Application number	US-201414895615-A
Country	US
Kind code	B2
Filing date	Feb 6, 2014
Priority date	Jun 10, 2013
Publication date	Mar 27, 2018
Grant date	Mar 27, 2018

Abstract

A hemming device wherein a processing tool is equipped with a base part moved by a robot, a processing unit having a hemming roller and a guide roller, and a floating mechanism that is attached to the base part and elastically supports the processing unit with six degrees of freedom.

First claim

The invention claimed is:

1. A processing tool, which is used by a hemming process device configured to perform a hemming process with respect to an edge portion of a workpiece using a hemming roller and a guide member, comprising:
a base part configured to be moved by a moving mechanism, the base part includes a first member and a second member, which are disposed across from each other;
a processing unit having the hemming roller and the guide member; and
a floating mechanism attached to the base part and configured to elastically support the processing unit with six axial degrees of freedom,
wherein the floating mechanism includes:
a support member disposed between the first member and the second member to support the processing unit,
a first elastic member disposed between the first member and the support member, and
a second elastic member disposed between the second member and the support member.

2. The processing tool according to claim 1 , wherein the first member and the second member are mutually connected by connecting members that penetrate through the elastic members.

3. The processing tool according to claim 1 , further comprising a lock mechanism configured to releasably restrict displacement of the processing unit with respect to the base part.

4. The processing tool according to claim 3 , wherein:
the lock mechanism includes a lock member configured to operate between an unlocking position where the lock member is separated from the support member, and a locking position where the lock member contacts with and locks the support member, and the support member is positioned in a predetermined position by displacement of the lock member to the locking position.

5. The processing tool according to claim 4 , wherein:
plural lock members are provided; and
each of the plural lock members includes:
a first lock member configured to press the support member in a first pressing direction; and
a second lock member configured to press the support member in a second pressing direction, which is opposite to the first pressing direction, at a location that differs from a location where the first lock member presses the support member.

6. The processing tool according to claim 5 , wherein:
the lock mechanism includes a first drive unit configured to press on and displace the first lock member to the locking position, and a second drive unit configured to pull on and displace the second lock member to the locking position; and
the first drive unit and the second drive unit are disposed on a same side with respect to the support member.

7. A hemming process device for performing a hemming process with respect to an edge portion of a workpiece using a hemming roller and a guide member, comprising:
a processing tool; and
a robot configured to act as a moving mechanism configured to move the processing tool,
wherein the processing tool includes:
a base part configured to be moved by the moving mechanism, the base part includes a first member and a second member, which are disposed across from each other;
a processing unit having the hemming roller and the guide member; and
a floating mechanism attached to the base part and configured to elastically support the processing unit with six axial degrees of freedom,
wherein the floating mechanism includes:
a support member disposed between the first member and the second member to support the processing unit,
a first elastic member disposed between the first member and the support member, and
a second elastic member disposed between the second member and the support member.

8. A processing tool, which is used by a hemming process device configured to perform a hemming process with respect to an edge portion of a workpiece using a hemming roller and a guide member, comprising:
a base part configured to be moved by a moving mechanism;
a processing unit having the hemming roller and the guide member;
a floating mechanism attached to the base part and configured to elastically support the processing unit with six axial degrees of freedom; and
a lock mechanism configured to releasably restrict displacement of the processing unit with respect to the base part,
wherein:
the floating mechanism includes a support member configured to support the processing unit, and an elastic member disposed between the base part and the support member;
the lock mechanism includes a lock member configured to operate between an unlocking position where the lock member is separated from the support member, and a locking position where the lock member contacts with and locks the support member, and the support member is positioned in a predetermined position by displacement of the lock member to the locking position.

Assignees

• Honda Motor Co Ltd

Inventors

• Yoshimichi Hitoshi
• Miwa Hiroshi
• Namiki Shigetoshi

Classifications

• B21D19/043

  for flanging edges of plates · CPC title

• B21D39/023 Primary

  using rollers · CPC title

• B21D19/04

  shaped as rollers · CPC title